Update of the Altered States Database (ASDB): 2022-12-31
Madlen Peters, Johanna Prugger, Petar Radoev Dimkov, Timo Torsten Schmidt
February 22, 2023 preprint DOI: 10.31234/osf.io/wdfhg via OpenAlex
Summary
The Altered States Database (ASDB) has been updated to include psychometric data on altered states of consciousness experiences up to December 31, 2022. A systematic literature review following PRISMA guidelines screened 431 items, ultimately extracting data from 23 eligible journal articles. This database serves as an open science resource for researchers in psychology and related fields.
Study at a glance
| Design | systematic review |
|---|---|
| Sample size | 23 |
| Population | journal articles related to altered states of consciousness |
| Key finding | Data was extracted from 23 eligible journal articles as part of the update to the Altered States Database. |
Abstract
The Altered States Database (ASDB) is an open science project, containing psychometric questionnaire data on altered states of consciousness experiences induced by diverse means. The database was first described in: Schmidt, T. T., & Berkemeyer, H. (2018). The Altered States Database: Psychometric Data of Altered States of Consciousness. In Front. Psychol. and an upgrade to cohere to the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) 2020 standards has been reported in: Prugger, J., Derdiyok, E., Dinkelacker, J., Costines, C., & Schmidt, T. T. (2022). The Altered States Database: Psychometric data from a systematic literature review. In Sci. Data. Here, we report the update to include data until 2022-12-31. A systematic literature review according to PRISMA guidelines was conducted in which 431 items were screened, and data from 23 eligible journal articles was extracted. The complete data is available on Open Science Framework (OSF): https://osf.io/8mbru.