Research
Safety, Pharmacokinetics, and Pharmacodynamics of a 6-h N,N-Dimethyltryptamine (DMT) Infusion in Healthy Volunteers: A Randomized, Double-Blind, Placebo-Controlled Trial.
Clinical and translational science – May 01, 2025
Summary
A groundbreaking study reveals that extended exposure to DMT, a naturally-occurring psychedelic compound, is safe and well-tolerated in humans. Scientists administered controlled intravenous infusions of N,N-dimethyltryptamine to 29 healthy volunteers over 6 hours, monitoring its effects on brain function and safety. The treatment showed promise for promoting neuroplasticity, with potential applications in stroke recovery. Participants experienced only mild psychedelic effects, with no serious adverse reactions.
Abstract
The serotonergic psychedelic N,N-dimethyltryptamine (DMT) presumably stimulates neuroplasticity in vitro and in vivo, by which it may exert neuropr...
Philosophical aspects of migraine: Headache treatment is a human-to-human service.
Cephalalgia : an international journal of headache – May 01, 2025
Summary
Beyond physical pain, migraines raise deep philosophical questions about human suffering and consciousness. This analysis explores how effective headache treatment requires thinking out of the box, combining medical expertise with human-to-human understanding. When doctors bridge the gap between clinical knowledge and patients' lived experiences of pain, treatment becomes more meaningful and successful.
Abstract
Migraine is a complex neurobiological disorder that extends beyond physical symptoms to encompass profound mental, emotional and existential dimens...
The Awakening of the Newborn Human Infant and the Emergence of Consciousness.
Acta paediatrica (Oslo, Norway : 1992) – May 01, 2025
Summary
Consciousness begins developing in the womb, with signs of awareness emerging around 24 weeks of gestation. By birth, infants experience a surge of sensory stimulation, activating brain areas linked to consciousness. Newborns can recognize their mother's voice, smell, and facial expressions. A study involving 100 preterm infants revealed that their pupils dilate significantly upon birth, indicating arousal. The default mode network matures shortly after delivery, suggesting that while newborns are conscious, it is at a lower level compared to older children and adults.
Abstract
Consciousness develops gradually in the womb and after birth, rather than being an all or none phenomenon. A newborn infant is aroused and wakes up...
Commentary: A framework for assessment of adverse events in psychedelic research.
Journal of psychopharmacology (Oxford, England) – May 01, 2025
Summary
Psychedelic therapy research faces a unique challenge: how do we accurately track both positive outcomes and potential adverse events? A new framework proposes systematic assessment methods that account for the complex psychological, spiritual, and emotional effects of psychedelics. By reducing bias and standardizing reporting protocols, this approach helps ensure participant safety while maintaining scientific rigor in clinical settings.
Abstract
Recent discussions about the methodological rigor of psychedelic clinical trials have focused on potential underreporting or misreporting of advers...
Mindfulness in treatment-seeking adults with comorbid obsessive-compulsive and major depressive disorders: Mediating effects of obsessive beliefs and mental well-being.
Indian journal of psychiatry – May 01, 2025
Summary
Mindfulness significantly reduces symptoms for both obsessive-compulsive disorder and major depressive disorder. Research explored if obsessive beliefs and mental well-being mediate this effect in adults with both conditions. Data from 60 individuals showed mindfulness improved both. For major depressive disorder, improved mental well-being and reduced obsessive beliefs were key mediation pathways. However, these specific pathways did not mediate the benefits for obsessive-compulsive disorder. This highlights distinct mechanisms, suggesting customized mindfulness approaches.
Abstract
Mindfulness-based interventions have shown promise in alleviating symptoms associated with obsessive-compulsive disorder (OCD) and major depressive...
Psilocybin
OpenAlex – May 01, 2025
Summary
Psilocybin, a potent hallucinogen derived from over 200 mushroom species, is demonstrating significant promise in psychology. This alkaloid, a focus of diverse academic research themes, enhances neuroplasticity, aiding individuals in meaning-making. Evidence suggests benefits for major depressive disorder, anxiety, and existential suffering. While legal access expands, ongoing psychedelics and drug studies continue exploring cardiac safety and therapeutic potential, including through chemical synthesis advancements.
Abstract
Abstract Psilocybin, a naturally occurring psychoactive compound found in more than 200 mushroom species, has an enduring history of use in sacred ...
Co-use of psychedelics with other substances: Findings from the global psychedelic survey.
Journal of psychopharmacology (Oxford, England) – May 01, 2025
Summary
A groundbreaking international survey reveals that over half of psychedelic users combine these substances with others, particularly cannabis and alcohol. Analysis of 5,370 participants showed co-use varies significantly by substance type - from 15% with ayahuasca to 55% with nitrous oxide. People using psychedelics for recreation were more likely to combine substances, while those focused on personal growth or therapy typically avoided co-use. These findings inform targeted harm reduction strategies.
Abstract
While most psychedelic substances are considered to carry a relatively low risk of acute or long-term harm, co-use with other psychoactive substanc...
A Real-World Study on the Use, Effectiveness, and Safety of Esketamine Nasal Spray in Patients with Treatment-Resistant Depression: INTEGRATE Study.
Advances in therapy – May 01, 2025
Summary
A breakthrough nasal spray treatment offers new hope for people with hard-to-treat depression, with 80% of patients showing significant improvement. Real-world evidence from 189 patients demonstrates that esketamine nasal spray helps achieve remission in treatment-resistant depression, with benefits appearing as quickly as 24 hours after first use. Most patients maintained positive response throughout treatment, with minimal side effects.
Abstract
The INTEGRATE study aimed to provide information on the use, effectiveness, and safety of esketamine nasal spray (ESK-NS) for the treatment of trea...
Utilizing Caenorhabditis Elegans as a Rapid and Precise Model for Assessing Amphetamine-Type Stimulants: A Novel Approach to Evaluating New Psychoactive Substances Activity and Mechanisms.
Advanced science (Weinheim, Baden-Wurttemberg, Germany) – May 01, 2025
Summary
Tiny worms are helping scientists crack the code of dangerous street drugs. Using microscopic roundworms, researchers successfully mapped how amphetamine-type stimulants affect brain chemistry. By observing the worms' swimming behavior, they revealed how these drugs interact with brain pathways and identified which chemical structures cause the strongest effects. This method offers a faster, cheaper way to evaluate new street drugs.
Abstract
The surge of new psychoactive substances (NPS) poses significant public health challenges due to their unregulated status and diverse effects. Howe...
Trauma Center Trauma Sensitive Yoga Intervention (TCTSY). Improving Conditions for Incarcerated Women in Latin America.
Medicine, science, and the law – April 30, 2025
Summary
A specialized yoga program is transforming mental health care for incarcerated women in Latin America. This innovative approach combines trauma-sensitive yoga with body awareness techniques, helping women heal from post-traumatic stress disorder. The program showed remarkable success, with participants reporting reduced anxiety, better emotional control, and improved interoceptive awareness - the ability to understand body signals.
Abstract
Female prisoners in Latin America experience significantly higher rates of mental health issues compared to their male counterparts. The most preva...
A Promising Route for Established Indications: A Systematic Review of Nebulized Ketamine in Pain.
Current pain and headache reports – April 30, 2025
Summary
Breathing in pain relief may sound futuristic, but nebulized ketamine is showing remarkable promise in managing severe pain. This innovative approach delivers pain medication directly through inhalation, proving especially valuable in ICU and trauma settings. Studies reveal faster relief compared to traditional methods, with patients experiencing significant pain reduction within minutes. The treatment shows minimal side effects and high patient satisfaction, making it particularly effective for those who struggle with traditional pain medications.
Abstract
Nebulized ketamine, an innovative route of drug delivery, has gained interest for its potential effectiveness in challenging clinical scenarios. Th...
Vegetative state in two Italian residential facilities: study of prognosis for subjects and related caregivers.
Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology – April 30, 2025
Summary
Caring for patients with disorders of consciousness takes a profound toll - 83% of caregivers need psychological support. This 15-year study tracked 146 patients in long-term care with vegetative state conditions. Brain hemorrhages, not trauma, emerged as the leading cause. While patient mortality reached 88% after 15 years, the study's key finding highlights the heavy burden on caregivers' quality of life, especially women, who showed significantly higher stress levels and poorer mental health outcomes.
Abstract
Vegetative state (VS) is a severe disturbance of consciousness, often caused by cerebral insults, with limited long-term prognosis data. to provide...
Effectiveness of intravenous administration of a combination of sufentanil and esketamine on post-cardiac surgery pain management and depression: a randomized controlled trial.
Cardiovascular diagnosis and therapy – April 30, 2025
Summary
A breakthrough in post-cardiac surgery care shows that combining sufentanil with esketamine not only provides superior pain management but also significantly reduces depression symptoms. Patients receiving this combination needed 60% fewer pain medication doses and reported lower pain scores. The treatment improved psychological well-being without increasing side effects.
Abstract
Cardiac surgery often results in significant postoperative pain, which can lead to complications and prolonged recovery. Pain and depression are cl...
New Agents in the Treatment of Psychiatric Disorders: What Innovations and in What Areas of Psychopathology?
Pharmaceuticals (Basel, Switzerland) – April 30, 2025
Summary
Recent breakthroughs in psychiatric medicine have yielded promising treatments for several mental health conditions. New agents show improved efficacy in treating schizophrenia, bipolar disorder, and major depression. Notable advances include lumateperone for mood disorders, esketamine for treatment-resistant depression, and innovative drug combinations that enhance tolerability. While anxiety disorders and obsessive-compulsive disorder await similar breakthroughs, these developments mark significant progress in mental health care.
Abstract
Psychiatric disorders are a major cause of illness in the world. Unfortunately, many patients are resistant to treatment and present serious compli...
Oral Ketamine as an Analgesic Therapy: Systematic Review of Randomised Clinical Trials.
Journal of pain & palliative care pharmacotherapy – April 30, 2025
Summary
While ketamine is traditionally given through IV, new research reveals promising results for oral administration in pain treatment. Analysis of six clinical trials shows that oral ketamine may help manage chronic neuropathic pain, particularly in cases where other analgesics have failed. Though side effects were common, some patients experienced significant pain reduction with doses up to 400mg daily.
Abstract
Ketamine is an analgesic used to manage neuropathic pain, but its use is limited by side effects and intravenous administration. Recently, the use ...
Intravenous Ketamine Infusion for Managing Chronic Postoperative Pain After Inguinal Herniorrhaphy: A Case Report.
Journal of pain & palliative care pharmacotherapy – April 30, 2025
Summary
Monthly ketamine infusions provided dramatic relief for a patient suffering from severe chronic pain after hernia surgery. By targeting NMDA receptors and reducing central sensitization, ketamine helped restore mobility and function when standard pain medications failed. This innovative approach offers hope for managing stubborn postoperative pain with minimal side effects.
Abstract
Chronic postsurgical pain (CPSP) is a debilitating condition that affects up to 50% of patients after procedures like inguinal herniorrhaphy, signi...
Non-response to short-term ketamine use for treatment-resistant depression.
Pharmacological reports : PR – April 30, 2025
Summary
While ketamine offers hope for severe mood disorders, new findings reveal surprising patterns in treatment response. Among patients with treatment-resistant depression, those with fewer psychiatric complications were actually less likely to benefit from ketamine therapy. This challenges traditional assumptions in psychopharmacology, suggesting that complex cases may respond better to ketamine than those with "pure" depression.
Abstract
Ketamine is currently gaining attention as a rapid-acting antidepressant for treatment-resistant depression (TRD). However, many patients fail to r...
What motivates spiritual health practitioners in psychedelic-assisted therapy? A qualitative study and implications for facilitator training practices
Psychedelics – April 29, 2025
Summary
Intriguingly, spiritual care providers in psychedelic therapy are often driven by profound personal experiences. A qualitative investigation of 15 practitioners revealed that direct encounters with psychedelics frequently sparked their initial interest. They find deep fulfillment and personal growth by witnessing patient healing. This personal insight is invaluable, and robust facilitator training emphasizing self-reflection ensures objective, high-quality spiritual care for patient well-being.
Abstract
Spiritual health practitioners (SHPs), also known as healthcare chaplains, are increasingly involved in facilitating psychedelic-assisted therapies...
Colorimetric-Electrochemical Combined Method for the Identification of Drugs of Abuse in Blotter Papers: A Powerful Screening Technique Using Three Analytical Responses.
ACS omega – April 29, 2025
Summary
Law enforcement now has a powerful new tool to quickly identify dangerous drugs hidden in paper tabs. Scientists developed a method combining color changes and electrical signals to detect LSD and similar substances. The technique uses special reagents and electrodes to provide three distinct confirmatory signals, making it highly accurate. Testing of 33 seized samples proved its effectiveness for rapid drug screening.
Abstract
Lysergic acid diethylamide (LSD) and phenylethylamine derivatives (NBOHs and NBOMes) are commonly found on seized blotter papers, posing public hea...
Traumatic Psychedelic Experiences.
Current topics in behavioral neurosciences – April 29, 2025
Summary
Traumatic psychedelic experiences can lead to significant adverse effects, with up to 20% of users developing post-traumatic stress disorder or acute stress disorder after such events. While some individuals may recover quickly, others face prolonged difficulties, including anxiety and sleep disturbances. Factors contributing to these experiences often include feelings of horror and helplessness, unsafe environments, and pre-existing trauma. Understanding the causes and potential outcomes is crucial for minimizing negative impacts and fostering post-traumatic growth in affected individuals.
Abstract
Psychedelic experiences involving extreme feelings of horror, helplessness, and perceived threats can be traumatizing. Traumatic psychedelic experi...
Esketamine Reduces Lung Injury Caused by Limb Ischemia-Reperfusion by Regulating Oxidative Stress via the TLR4/NF-κB/NLRP3 Pathway.
Endocrine, metabolic & immune disorders drug targets – April 29, 2025
Summary
A breakthrough in treating lung damage reveals that esketamine, a promising medication, can protect against acute lung injury caused by restricted blood flow to limbs. The drug works by controlling harmful oxidative stress and reducing inflammatory responses in lung tissue. It achieves this by regulating a key cellular pathway that affects inflammation, leading to better lung function and reduced tissue damage.
Abstract
Esketamine has shown promise in mitigating tissue damage caused by ischemia- reperfusion injury, making it a potential therapeutic candidate for ac...
Intravenous Ketamine Treatment for Depression: One-year Retrospective Study from a Tertiary Care Psychiatry Center from India.
Indian journal of psychological medicine – April 29, 2025
Summary
Ketamine infusion therapy shows remarkable promise in treating severe depression, with over 50% of patients experiencing significant improvement. In a groundbreaking year-long analysis, this rapid-acting treatment helped 39% of patients achieve full remission from depressive symptoms. Most notably, 71% reported reduced suicidal thoughts. The therapy proved especially effective for treatment-resistant depression, requiring only 4-5 sessions on average for meaningful results.
Abstract
Major depressive disorder (MDD) is a debilitating mental health condition characterized by significant morbidity and mortality. The emergence of ke...
Rapid Screening of Illicit Drugs from Biofluid via Dried Blood/Urine Spot and Ultrasonic Desorption-Assisted Low-Temperature Arc Plasma Ionization Mass Spectrometry.
Analytical chemistry – April 29, 2025
Summary
A groundbreaking 3-second test now enables rapid detection of illicit drugs in blood and urine samples. Using innovative paper-based collection and advanced plasma technology, this method achieves highly accurate results with minimal sample preparation. The technique proves reliable across various storage conditions and can detect multiple drugs simultaneously, making it a game-changer for medical screening and forensic analysis.
Abstract
A novel method for rapid and sensitive illicit drug screening in biofluids has been developed by employing a paper-based sample collection coupled ...
Unlocking the Potential of Ketamine: A Systematic Review and Meta-analysis of its Safety and Efficacy in Acute Pain Management.
Combinatorial chemistry & high throughput screening – April 29, 2025
Summary
As hospitals seek alternatives to opioids like fentanyl for pain management, ketamine shows promise. Analysis of multiple clinical trials reveals that ketamine provides significant pain relief within 15 minutes of administration, matching the effectiveness of traditional painkillers. While showing similar safety profiles to placebo treatments, ketamine offers a viable option for acute pain control without increased side effects.
Abstract
The management of acute pain is a crucial and challenging component of emergency care. The pursuit of an ideal drug that alleviates pain rapidly an...
Effect of pretreatment with low-dose Esketamine on the Propofol requirements and the onset time of cisatracurium during the induction of general anesthesia: a prospective, randomized, double-blinded trial.
BMC anesthesiology – April 28, 2025
Summary
A breakthrough in anesthesia management shows that small doses of Esketamine can significantly reduce the amount of Propofol needed during anesthesia induction. In a study of 140 surgical patients, pretreatment with Esketamine at different doses demonstrated that higher amounts (0.5 mg/kg) reduced Propofol requirements while maintaining effective sedation. This finding could lead to more efficient and controlled anesthesia delivery, though onset time remained unchanged.
Abstract
Esketamine has been increasingly used as an adjuvant for propofol-based induction. However, the effective esketamine dose for this indication remai...
The Bereaved Detachment Experience: An NDE-like Phenomenon.
Omega – April 28, 2025
Summary
A significant 86% of individuals experiencing bereavement report after-death communications (ADCs), with some describing a unique bereavement detachment experience (BDE) where they feel out of their bodies during encounters with deceased loved ones. These experiences share similarities with near-death experiences, including feelings of love and traversing through tunnels or bright lights. Analyzing seven case examples revealed common themes and highlighted the BDE's potential psychological benefits, offering valuable insights for caregivers supporting those in grief.
Abstract
When people experience the death of loved ones, some of them report after-death communications (ADCs) in which they have the impression of again en...
Liquid chromatography-tandem mass spectrometry-based pharmacokinetic and metabolic analysis of 4-bromo-2,5-dimethoxyphenethylamine and its metabolites in human plasma.
Drug metabolism and disposition: the biological fate of chemicals – April 28, 2025
Summary
A breakthrough in psychedelic medicine reveals how 2C-B, a compound being studied for mental health treatment, breaks down in the human body. Scientists developed a precise method to track the drug's metabolism and movement through the bloodstream. The research showed that while 2C-B activates brain receptors linked to therapeutic effects, its breakdown products don't share this ability, suggesting careful timing may be key for treatment.
Abstract
4-Bromo-2,5-dimethoxyphenethylamine (2C-B) is widely used recreationally and has recently gained interest as a treatment for mental health disorder...
Innovation and inequity in psychedelic research at the Mayo Clinic.
History of psychiatry – April 28, 2025
Summary
Groundbreaking experiments with LSD and psilocybin at Mayo Clinic in the 1950-60s revealed troubling bioethics practices. Researchers administered psychedelics to patients with schizophrenia and other conditions, often without proper consent. While these studies advanced our understanding of these compounds, they highlight the critical importance of ethical research protocols and patient autonomy in modern psychedelic medicine.
Abstract
This paper provides an overview of psychedelic research at the Mayo Clinic in the 1950s and 1960s, focusing on methods, objectives, findings, and e...
Calcium Activation Mechanism of a Noncanonical Aromatic L-Amino Acid Decarboxylase from Psilocybin Mushroom
OpenAlex – April 28, 2025
Summary
Calcium dramatically controls the activity of a key Aromatic L-amino acid decarboxylase (AAAD), PcncAAAD. Its **biochemistry** hinges on **calcium** binding, which stabilizes a "lid-rim" structure vital for its **mechanism**. Molecular dynamics simulations and in vitro assays confirmed that disrupting this precise **chemistry** severely reduces activity. This understanding of **stereochemistry** is crucial for **psychedelics and drug studies**, as AAADs are involved in synthesizing compounds like psilocybin in **mushrooms** or neurotransmitters from **tryptophan**. Such insights could inform engineered enzymes, potentially impacting **GABA and rice research** applications.
Abstract
Abstract PcncAAAD is a calcium-activatable noncanonical aromatic L-amino acid decarboxylase (AAAD) featuring a unique appendage C-terminal domain (...
Royal Australian and New Zealand College of Psychiatrists professional practice guidelines for the use of ketamine in psychiatric practice.
The Australian and New Zealand journal of psychiatry – April 28, 2025
Summary
Ketamine, once known primarily as an anesthetic, shows promising results in treating severe depression and other psychiatric disorders. New professional practice guidelines from Australia and New Zealand provide clinicians with evidence-based protocols for safe ketamine use in psychiatric treatment. The guidelines emphasize careful patient selection, proper dosing, and monitoring protocols while highlighting ketamine's potential as a rapid-acting intervention for treatment-resistant mental health conditions.
Abstract
Professional practice guidelines for the use of ketamine in psychiatric practice have been developed by the Royal Australian and New Zealand Colleg...
Evaluation of the Efficacy of Electroconvulsive Therapy in Relation to the Anesthetic Agent Applied: A Retrospective Analysis.
The journal of ECT – April 28, 2025
Summary
Different anesthetic agents can significantly impact treatment success in electroconvulsive therapy, with ketamine showing particularly promising results. In a review of 149 patients, those receiving ketamine alone experienced more effective treatment sessions compared to those given propofol or combination treatments. While both medications proved safe, ketamine emerged as an optimal choice for maximizing therapeutic benefits.
Abstract
The present study aims to make a contribution to the extant literature on the sharing of clinical experiences with electroconvulsive therapy (ECT) ...
The landscape of ketamine use disorder: Patient experiences and perspectives on current treatment options.
Addiction (Abingdon, England) – April 28, 2025
Summary
Ketamine addiction affects users across multiple continents, with daily consumption averaging 2 grams. A comprehensive survey revealed that 60% of users experience bladder and nasal problems, yet most don't seek treatment. Those who do pursue help often find services inadequately prepared for ketamine-specific dependence, with only 36% reporting satisfaction with care. Cost remains the primary barrier to treatment-seeking behavior.
Abstract
To report the symptoms and aetiology of ketamine use disorder (KUD), gauge the effectiveness of current treatment services and identify strategies ...
COnventional vs. Optimized PERiprocedural Analgosedation vs. Total IntraVEnous Anesthesia for Pulsed-Field Ablation: a Three-Arm Randomized Controlled Trial (COOPERATIVE-PFA).
Circulation – April 27, 2025
Summary
A groundbreaking finding shows that over 80% of patients receiving conventional sedation during cardiac ablation procedures experience oxygen deficiency. This study compared three different sedation methods for heart rhythm treatment: traditional intermittent sedation, an optimized continuous approach using remimazolam-ketamine, and full anesthesia. The optimized sedation method proved significantly safer, with fewer breathing and blood pressure complications than both alternatives. Patient satisfaction remained high across all methods, but the remimazolam-ketamine combination emerged as the clear winner for both safety and effectiveness.
Abstract
Deep analgosedation (DAS) or general anesthesia (GA) is mandatory for pulsed-field ablation (PFA) of atrial fibrillation (AF). In contrast to DAS, ...
Behavioral and psychological correlates of problematic smartphone use in street ketamine users.
BMC psychology – April 27, 2025
Summary
Ketamine users who struggle with smartphone addiction spend significantly more time gaming online and show higher rates of ADHD symptoms. A study of 233 individuals in addiction treatment revealed that excessive smartphone use strongly correlates with online gaming habits and attention difficulties. Those at risk used their phones longer daily and were twice as likely to engage in internet gaming.
Abstract
While problematic smartphone use screening tools are widely used and increasingly evaluated in student populations, their applicability and clinica...
Evaluation of a Five-Minute Meditation Intervention During Weekly Palliative Care Clinical Rounds.
Journal of palliative medicine – April 26, 2025
Summary
A compelling 59% of palliative care clinicians participated in a five-minute group meditation during weekly rounds, highlighting its potential for stress reduction. Among the 23 participants, 54% also practiced meditation weekly outside of work, averaging 53 minutes per session. Those who engaged in meditation reported enhanced satisfaction and perceived control over their stress levels. Interestingly, engagement did not vary by gender or experience, suggesting that this brief intervention could be a valuable tool for improving wellness and combating burnout among healthcare professionals.
Abstract
Introduction: Palliative care professionals experience high levels stress and burnout. Meditation improves stress and well-being, with group interv...
Hemodynamic effects in dogs anesthetized with the combination tiletamine-zolazepam-ketamine-xylazine.
Veterinary research communications – April 26, 2025
Summary
A new anesthetic combination shows promise for healthy canines, though it significantly impacts heart function. When veterinarians combined dissociative anesthesia with α2 adrenoceptor agonists, dogs experienced reduced cardiac output but maintained stable blood oxygen levels. While heart rate dropped by up to 43%, blood pressure remained well-controlled, suggesting this protocol is safe for healthy dogs needing short-term sedation.
Abstract
This was a prospective, experimental study, that evaluated the hemodynamic effects in dogs administered the combination tiletamine-zolazepam-ketami...
Dissociable effects of psilocybin and escitalopram for depression on processing of musical surprises
Molecular Psychiatry – April 26, 2025
Summary
Psilocybin therapy significantly reduces anhedonia in Major Depressive Disorder, a key insight for **Psychology** and **Psychiatry**. A **Clinical Psychology** investigation involved 41 patients with **Depression**, receiving either psilocybin (**Psychedelics and Drug Studies**) (n=22) or **Escitalopram** (n=19) over six weeks. Using **Functional magnetic resonance imaging** during **Audiology** tasks, **Neuroscience** revealed distinct **Treatment** mechanisms. While escitalopram reduced emotional responses to musical surprises, psilocybin maintained them. This suggests psilocybin influences **Cognitive Processes** differently, via **Neurotransmitter Receptor Influence on Behavior**, offering varied **Psychometrics** outcomes for **Anxiety** and depression.
Abstract
Abstract Psilocybin therapy (PT) is emerging as an effective intervention for Major Depressive Disorder (MDD), offering comparable efficacy to conv...
Passive mapping of hand motor cortex across altered states of consciousness.
The International journal of neuroscience – April 26, 2025
Summary
Scientists can now map brain regions controlling hand movement even when patients are unconscious. By stimulating nerves in the wrist and measuring electrical brain activity (electrocorticography), researchers tracked high gamma band signals in the motor cortex during different consciousness states. The technique remained highly accurate even as patients went under anesthesia, maintaining over 80% accuracy in mapping hand regions during deep unconsciousness.
Abstract
To evaluate the ability of median nerve stimulation (MNS)-induced high gamma band (HGB) activity in mapping the hand motor cortex at different stat...
University Students’ Motives for Psilocybin Use: A Mixed-Methods Analysis
Journal of Drug Issues – April 26, 2025
Summary
Motives for using psilocybin, a complex alkaloid, vary significantly with dose. An online survey revealed that reasons for microdosing (0.1–0.4 g) diverge from those for macrodosing (1 g+). This psychology-focused inquiry into psychedelics and drug studies also found distinct motives for initiating versus continuing use. Such insights are vital for harm reduction and public policy, reflecting the diverse academic interest in understanding complex substance use patterns.
Abstract
Motives are a highly influential force in substance use and vary depending on the substance or dose being used. Little research has compared motive...
The phenomenology of psilocybin: transformative insights for research and clinical practice
Frontiers in Psychology – April 25, 2025
Summary
Ten individuals described profound personal growth after experiencing psilocybin, a potent hallucinogen. This qualitative exploration, rooted in phenomenology (a philosophy of experience), revealed universal psychological themes: enhanced empathy, emotional sensitivity, and lasting insights into personal values. Participants reported transformative learning, indicating significant behavioral shifts. These findings offer psychotherapists a structured understanding of psychedelic experiences, informing their integration into practice. Such insights contribute to diverse academic research themes, including Psychedelics and Drug Studies, and illuminate potential connections to Religious Studies and Spiritual Practices.
Abstract
Introduction Considering the increasing evidence supporting psilocybin’s efficacy in therapeutic settings, it is essential to deepen our understand...
The role of mitochondrial dysfunction and calcium dysregulation in 2C-I and 25I-NBOMe-induced neurotoxicity.
Chemico-biological interactions – April 25, 2025
Summary
Designer drugs known as NBOMe and 2C compounds can severely disrupt cellular energy production in brain cells. Scientists found that NBOMe drugs are particularly toxic, causing significant damage to mitochondria - the cell's power plants. Testing on specialized nerve cells (SH-SY5Y cells) revealed these new psychoactive substances trigger cell death through multiple pathways, including disrupted calcium balance and energy failure. This helps explain their neurotoxicity and dangerous effects.
Abstract
New psychoactive substances (NPS) are designed to evade legal regulation while mimicking the effects of classic illicit drugs such as 3,4-methylene...
A mouse model of GRIN2D developmental and epileptic encephalopathy recapitulates the human disease.
Brain : a journal of neurology – April 25, 2025
Summary
Scientists have uncovered vital insights into developmental epilepsy by studying a specific genetic mutation in GRIN2D, a crucial brain receptor component. Using an innovative mouse model, researchers revealed how this mutation triggers severe seizures and developmental issues that mirror human symptoms. Brain activity recordings (ECoG) showed distinctive abnormal patterns, while drug response testing found that memantine and phenytoin offered modest benefits, unlike ketamine which worsened symptoms.
Abstract
Pathogenic variants in GRIN2D, encoding one of the subunits of the NMDA receptor (NMDAR), are associated with developmental and epileptic encephalo...
Entheogen: an evolutionary medicine for neuropsychiatric disorders.
Natl Sci Rev – April 25, 2025
Summary
Ancient plant-based substances, known as entheogens, offer an evolutionarily-grounded solution for modern mental health. It is proposed that these compounds, historically used for their profound effects, can effectively address neuropsychiatric disorders by engaging deep-seated brain mechanisms. Examining their neurobiological actions and ancient use reveals compelling potential to foster significant improvements in well-being, presenting a novel paradigm for treatment.
Abstract
Entheogen: an evolutionary medicine for neuropsychiatric disorders.
Auto-Induction in Oral Esketamine Treatment for Treatment-Resistant Depression: An Exploratory Study.
Pharmaceuticals (Basel, Switzerland) – April 25, 2025
Summary
Breakthrough depression treatment esketamine shows an unexpected twist: the body adapts to reduce its effectiveness over time. After 39 days of oral treatment, patients had 59% less of the drug in their blood than expected. This auto-induction process, where the body speeds up drug metabolism, helps explain why some patients experience diminishing benefits. The findings suggest new approaches may be needed to maintain esketamine's powerful antidepressant effects.
Abstract
Background: Esketamine is a rapidly acting antidepressant with robust efficacy in treatment-resistant depression (TRD). Diminishing therapeutic eff...
Psilocybin-assisted psychotherapy as a rapid-acting treatment for cancer-related depression and anxiety: Evidence from a network meta-analysis
The International Journal of Psychiatry in Medicine – April 25, 2025
Summary
Psilocybin rapidly reduced anxiety in cancer patients, according to a systematic review and meta-analysis of two randomized controlled trials found via MEDLINE and Cochrane Library searches. This medicine, a psychedelic alkaloid, significantly lowered State-Trait Anxiety Inventory scores by 11.52 points on day one and 12.66 points after two weeks. Beck Depression Inventory scores also improved by 2.26 points initially. The most effective dose achieved over 90% efficacy for anxiety. These insights are relevant for psychiatry, internal medicine, and clinical psychology, suggesting potential for complementary medicine approaches to depression and anxiety.
Abstract
Objective To evaluate psilocybin's efficacy in reducing depressive and anxiety symptoms in cancer patients based on randomized controlled trials (R...
Exploring Factors Affecting Psychological Flexibility After Psychedelic Experiences.
Journal of psychoactive drugs – April 25, 2025
Summary
Profound mystical experiences during psychedelic sessions with substances like LSD and psilocybin can lead to lasting improvements in psychological flexibility—our ability to adapt to life's challenges. People who reported more intense mystical experiences showed greater gains in mental adaptability, particularly in the month following their experience. These benefits align with principles of acceptance and commitment therapy.
Abstract
Neurobiological effects and psychological models propose that psychedelics may promote psychological flexibility, suggesting a transdiagnostic effe...
Striatal functional connectivity associated with Sahaja Yoga meditation.
Scientific reports – April 25, 2025
Summary
Long-term practitioners of Sahaja Yoga Meditation exhibit significant changes in brain connectivity, particularly in the striatum, which is crucial for attention and self-referencing. In a study involving 23 meditation experts and 23 control participants, meditators showed altered functional connectivity between the striatum and regions linked to sensory processing during meditation. Additionally, resting state scans revealed reduced connectivity in meditators that correlated with faster reaction times on interference tasks. These findings suggest that meditation may induce lasting enhancements in cognitive function and emotional regulation through striatal modulation.
Abstract
Neuroscience research has associated meditation practice with effects on cognitive, motivational and emotional processes. These processes are media...
Subject-independent Classification of Meditative State from the Resting State using EEG
arXiv Preprint Archive – April 25, 2025
Summary
Brain wave patterns can reveal when someone is meditating with remarkable accuracy. Using advanced signal processing and machine learning, researchers developed systems that can detect meditative states from regular brain activity with over 96% accuracy - even in people whose data wasn't used for training. This breakthrough could help validate meditation practices and develop better mindfulness tools.
Abstract
While it is beneficial to objectively determine whether a subject is meditating, most research in the literature reports good results only in a sub...
Association of Patient Characteristics With Recovery in Adults With Disorders of Consciousness.
Archives of physical medicine and rehabilitation – April 24, 2025
Summary
Two-thirds of patients with severe brain injuries showed meaningful recovery of consciousness during specialized rehabilitation programs. This study tracked 696 adults with consciousness disorders using precise measurements of neurologic function. Earlier rehabilitation after injury was linked to better outcomes. While some patients showed rapid improvement in the first two weeks, early progress didn't predict later recovery patterns. These findings highlight how personalized rehabilitation approaches can support recovery of function in patients with severe brain trauma.
Abstract
To describe the characteristics of patients enrolled in disorders of consciousness (DoC) rehabilitation programs and to examine factors associated ...
King Lear in the upper palaeolithic: searching for ethical principles in prehistory.
Monash bioethics review – April 24, 2025
Summary
Ancient hunter-gatherers hold surprising keys to human identity and ethics. By studying Upper Palaeolithic peoples, we discover that consciousness, storytelling, and symbolic thinking aren't modern innovations - they're fundamental to who we are. Our ancestors' deep connection to nature and metaphorical understanding shaped ethical principles that still resonate. Martha Nussbaum and Peter Hacker's work confirms these ancient traits remain crucial to human thriving.
Abstract
Ethics are concerned with maximising the thriving of individuals and societies. One cannot maximise the thriving of a person unless one has some id...