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Sébastien Czajko

Université Claude Bernard Lyon 1

2 papers in the library · 5 citations · publishing 2023-2026

Papers

Exploring the embodied mind: functional connectome fingerprinting of meditation expertise

bioRxiv Preprint Server December 6, 2023 Sébastien Czajko, Jelle Zorn, Loïc Daumail et al. 5 citations preprint

Short mindfulness-based interventions improve well-being, cognition, and clinical symptoms, but they are considered early steps on a longer transformative path that may produce lasting trait changes. Little is known about the brain correlates of these meditation traits.

Nondual mindfulness meditation alters self representation and brain connectome in expert meditators

bioRxiv (Cold Spring Harbor Laboratory) July 3, 2026 Sébastien Czajko, Jelle Zorn, Oussama Abdoun et al.

Nondual meditation, specifically Open Presence (OP) practice, is associated with reduced bodily self susceptibility and increased large-scale integration of functional brain networks. Expert meditators with over 10,000 hours of practice showed lower global network eccentricity during OP compared to novices, particularly in dorsal attention, ventral attention, and frontoparietal networks, indicating greater integration. These neural patterns correlated positively with measures of bodily self illusion and negatively with cognitive defusion, a construct reflecting reduced self-grasping toward thoughts. The findings suggest that nondual awareness involves alterations in self-representation and large-scale functional brain integration.