Cognitive Health and Differential Cortical Functioning in Dissociative Trance: An Explorative Study About Mediumship.

Aim: To evaluate the cognitive functioning of subjects practicing trance mediumship in Brazil.

Method: The study was based on the measurement of cognitive functions of 19 spirits mediums through neuropsychological tests such as the Brief Cognitive Screening Battery (BCSB), the Verbal Fluency Test (FAS), the digit span test, the cube test, the five digit test (FDT) and an evaluation of mental health through scales such as the Beck Depression Inventory (BDI), the Self-Report Questionnaire (SRQ), and the Trauma History Questionnaire (THQ). The sample included the participation of spirit mediums divided into two groups.