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Case Study of Ecstatic Meditation: fMRI and EEG Evidence of Self-Stimulating a Reward System

Michael R. Hagerty, Julian Isaacs, Leigh Brasington, Larry Shupe, Eberhard E. Fetz, Steven C. Cramer

Neural Plasticity May 22, 2013 DOI: 10.1155/2013/653572 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Case study Case report Peer reviewed
Sample size 1
Population Experienced meditator
Topics Meditation
Key findings Jhana meditation activates the nucleus accumbens and other reward-related brain regions, demonstrating self-stimulation of a brain reward system through internal mental processes alone.

Abstract

We report the first neural recording during ecstatic meditations called jhanas and test whether a brain reward system plays a role in the joy reported. Jhanas are Altered States of Consciousness (ASC) that imply major brain changes based on subjective reports: (1) external awareness dims, (2) internal verbalizations fade, (3) the sense of personal boundaries is altered, (4) attention is highly focused on the object of meditation, and (5) joy increases to high levels. The fMRI and EEG results from an experienced meditator show changes in brain activity in 11 regions shown to be associated with the subjective reports, and these changes occur promptly after jhana is entered. In particular, the extreme joy is associated not only with activation of cortical processes but also with activation of the nucleus accumbens (NAc) in the dopamine/opioid reward system. We test three mechanisms by which the subject might stimulate his own reward system by external means and reject all three. Taken together, these results demonstrate an apparently novel method of self-stimulating a brain reward system using only internal mental processes in a highly trained subject.

Comparable studies

Other case reports and case series on meditation, most cited first.

Study Year Design Participants
Brain sources of EEG gamma frequency during volitionally meditation-induced, altered states of consciousness, and experience of the self Advanced meditator 2001 Case study n = 1
Mindfulness Meditation for Alcohol Relapse Prevention: A Feasibility Pilot Study Adult alcohol-dependent graduates of an intensive outpatient program 2008 Prospective case series n = 19
How does it feel to lack a sense of boundaries? A case study of a long-term mindfulness meditator. A single long-term mindfulness practitioner (S) with 40 years of practice in... 2015 Qualitative case study n = 1
Loving‐kindness meditation to enhance recovery from negative symptoms of schizophrenia Individuals suffering from schizophrenia-spectrum disorders with persistent negative... 2009 Case study
Mindfulness-Based Cognitive Therapy for Problem Gambling A female problem gambler 2011 Case study n = 1

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