Mindfulness
July 1, 2023
Kanishka Sharma, Peter Achermann, Bhawna Panwar et al.
12 citations
Objectives The objective was to analyze EEG recorded during Brahma Kumaris Rajyoga meditation (BKRYM) using eLORETA applied in the frequency domain for localizing sources during meditation vis-à-vis baseline condition. Unlike many other popular meditation practices, BKRYM is practiced with open eyes. To our knowledge, there has been no study of the changes in the brain’s activity during the...
May 8, 2020
Kanishka Sharma, Peter Achermann, Bhawna Panwar et al.
Brahma Kumaris Rajayoga’s open eyed ‘seed stage meditation’ was studied in 52 meditators. Meditation stages: concentration on peace, realization of being a soul and communion with the Supreme Soul. Frequency domain brain electric source localization was used on multichannel EEG recordings to establish activation differences between meditation and open eyed, task-free resting. Additional...
Cognitive processing
February 1, 2015
Pascal L Faber, Dietrich Lehmann, Lorena R R Gianotti et al.
Meditation is a self-induced and willfully initiated practice that alters the state of consciousness. The meditation practice of Zazen, like many other meditation practices, aims at disregarding intrusive thoughts while controlling body posture. It is an open monitoring meditation characterized by detached moment-to-moment awareness and reduced conceptual thinking and self-reference. Which...
Frontiers in Human Neuroscience
December 27, 2013
Patricia Milz, Pascal L Faber, D. Lehmann et al.
We investigated brain functional connectivity comparing no-task resting to breath counting (a meditation exercise but given as task without referring to meditation). Functional connectivity computed as EEG coherence between head-surface data suffers from localization ambiguity, reference dependence, and overestimation due to volume conduction. Lagged coherence between intracortical model...
Brain Topography
November 1, 2009
Shisei Tei, Pascal L Faber, Dietrich Lehmann et al.
Many meditation exercises aim at increased awareness of ongoing experiences through sustained attention and at detachment, i.e., non-engaging observation of these ongoing experiences by the intent not to analyze, judge or expect anything. Long-term meditation practice is believed to generalize the ability of increased awareness and greater detachment into everyday life. We hypothesized that...
Human Brain Mapping
August 27, 2001
Edi Frei, Alex Gamma, Roberto D Pascual-Marqui et al.
175 citations
Abstract 3,4‐Methylenedioxymethamphetamine (MDMA; 'Ecstasy') is a psychostimulant drug producing heightened mood and facilitated social communication. In animal studies, MDMA effects are primarily mediated by serotonin (5‐HT), but also by dopamine (DA) and possibly noradrenaline (NA). In humans, however, the neurochemical and neurophysiological basis of acute MDMA effects remains unknown. The...
Neuroreport
2000
Alex Gamma, Edi Frei, Dietrich Lehmann et al.
81 citations
Resting EEG during open and closed eyes and subsequent mood ratings were obtained from 15 Ecstasy users and 14 Ecstasy-naive controls. Absolute spectral power on the scalp, and the three-dimensional, intracerebral distribution of neuroelectric activity using low resolution brain electromagnetic tomography (LORETA) were computed. LORETA revealed global increases of theta, alpha 1 and beta 2/3...