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Possession Trance, Epilepsy, and Primary Psychosis: the Challenges in Diagnosis and Management
Rochelle Melina Kinson, M.B. B.ch., B.A.O., M.Med. (Psychiatry); Aaron Ang Lye Poh, M.B.B.S., M.Med. (Psychiatry), M.R.C.P. (Int Med); Helen Chen, M.B.B.S., M.Med. (Psych), Dip Psychotherapy
The Journal of Neuropsychiatry and Clinical Neurosciences 2014;26:E26-E27. doi:10.1176/appi.neuropsych.13040079
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The authors report no financial relationships with commercial interests.

Tan Tock Seng Hospital, Psychological Medicine, Singapore

KK Women's and Children's Hospital, Singapore

Send correspondence to Dr. Kinson; e-mail: rochelle_kinson@ttsh.com.sg

Copyright © 2014 by the American Psychiatric Association


To the Editor: ‘Trance’ derives from the Latin words transitus (a passage) and transpire (to pass over). The most common clinical features of a trance state are amnesia, emotional disturbances and loss of identity.1 It is clinically challenging to differentiate behavior changes resulting from epilepsy, functional psychosis, and culturally sanctioned ‘possession’ states. These two cases illustrate this challenge.

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