| Autor: |
Marco Aurélio Vinhosa Bastos Jr., Paulo Roberto Haidamus de Oliveira Bastos, Loyná Euá Flores ePaez, Edna Oliveira deSouza, Danielle Bogo, Renata Trentin Perdomo, Renata Boschi Portella, Jorge Guilherme Okanobo Ozaki, Décio Iandoli Jr., Giancarlo Lucchetti |
| Jazyk: |
angličtina |
| Rok vydání: |
2020 |
| Předmět: |
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| Zdroj: |
Brain and Behavior, Vol 10, Iss 7, Pp n/a-n/a (2020) |
| Druh dokumentu: |
article |
| ISSN: |
2162-3279 |
| DOI: |
10.1002/brb3.1693 |
| Popis: |
Abstract Background 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 data on pineal gland is scarce in this context. Methods We aimed to investigate pineal gland and pituitary volumes, as well as urinary 6‐sulfatoxymelatonin levels in 16 alleged mediums (Medium Group‐MG) compared with 16 healthy nonmedium controls (Control Group) (Experiment 1). Furthermore, we aimed to evaluate urinary 6‐sulfatoxymelatonin and stress reactivity in GM (n = 10) under different physiological conditions (Experiment 2). Results In Experiment 1, MG presented higher scores of anomalous experiences, but there were no between‐group differences regarding mental health or subjective sleep quality. Similar pineal gland and pituitary volumes were observed between groups. There were no between‐group differences in urinary 6‐sulfatoxymelatonin collected under equivalent baseline conditions. In Experiment 2, the rise of anxiety and heart rate in response to mediumistic experience was intermediate between a nonstressful control task (reading) and a stressful control task (Trier Social Stress Test—TSST). No significant differences were observed in 6‐sulfatoxymelatonin urinary levels between the three conditions. The pattern of stress reactivity during the TSST was normal, but with an attenuated salivary cortisol response. Conclusion The normal neuroimaging and stress reactivity findings in MG contrast with the abnormal results usually observed in subjects with psychotic and dissociative disorders. |
| Databáze: |
Directory of Open Access Journals |
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