April 9, 2026
Everton de Oliveira Maraldi, Amanda Sales Cafezeiro, Taís Oliveira Silva et al.
preprint
Non-Ordinary Experiences (NOEs), encompassing phenomena such as feelings of cosmic or divine unity and sensing the presence of deceased persons, are common in the general population of different countries. Despite a recent increase in the number of studies investigating the implications of these experiences for mental health and well-being, no review comprehensively synthesizing existing...
Transcultural Psychiatry
August 1, 2025
Maria Cristina Monteiro de Barros, Frederico Camelo Leão, Homero Vallada Filho et al.
Spiritual and religious experiences (SREs) are common subjective phenomena related to the awareness of transcendence, which transforms one's perception of life, death and suffering. Despite the high prevalence of SREs worldwide, not enough studies have been conducted beyond Europe and North America. To fill this gap, this study investigates the prevalence of SREs in Brazil and their association...
Explore (New York, N.Y.)
2022
Marco Aurélio Vinhosa Bastos, Paulo Roberto Haidamus Oliveira Bastos, Geraldo Barbosa Foscaches Filho et al.
6 citations
Evidence indicates that highly hypnotizable subjects may have larger area of the rostrum of the corpus callosum (CC). Mediumship can be defined as the alleged ability to communicate regularly with deceased personalities, and self-hypnosis is postulated as an underlying mechanism for this ability. Therefore, we aimed to investigate the CC area, hypnotic susceptibility, self-reported...
Brain and Behavior
July 1, 2020
Marco Aurélio Vinhosa Bastos, Paulo Roberto Haidamus de Oliveira Bastos, Loyná Euá Flores E Paez et al.
8 citations
Cultural traditions attribute to pineal gland an important role for spiritual experiences. Mediumship and spirit possession are cultural phenomena found worldwide which have been described as having dissociative and psychotic-like characteristics, but with nonpathological aspects. A sympathetic activation pattern in response to spirit possession has been reported in some studies, but empirical...
Explore (New York, N.Y.)
November 1, 2018
Marco Aurélio Vinhosa Bastos, Paulo Roberto Haidamus de Oliveira Bastos, Maria Lucília Dos Santos et al.
6 citations
Mediumship is the alleged ability to communicate with deceased personalities. Previous studies have suggested that the endogenous psychotomimetic molecules bufotenine (BT) and dimethyltryptamine (DMT) may play a role in the pathogenesis of psychotic disorders. Distortion of perceptions observed during spiritual experiences could supposedly relate to these substances. To compare the presence of...
Transcultural Psychiatry
April 1, 2018
Marco Aurélio Vinhosa Bastos, Paulo Roberto Haidamus de Oliveira Bastos, Igraíne Helena Scholz Osório et al.
12 citations
Mediumship and spirit possession are cultural phenomena found in many societies worldwide. In Brazil, Spiritism (a tradition in which mediumship is emphasized) is the third largest religious denomination. The present study aimed to investigate physiologic correlates of nonpathological dissociative experiences by comparing 20 female spiritist mediums with several years of socially sanctioned...
Trends in Psychiatry and Psychotherapy
2013
Camilla C Braghetta, Glícia P Santana, Quirino Cordeiro et al.
Near-death experiences have been defined as profound psychological events that may occur to a person while close to death or in a situation of extreme physical or emotional distress. These experiences seem to have an important effect on the patients' mental health and may occur in several situations despite their cultural and religious beliefs. The present case report describes the positive...