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Review
. 2022 Feb:95:138-142.
doi: 10.1016/j.parkreldis.2022.01.013. Epub 2022 Jan 26.

A South East Asian perspective of neuropsychiatric startle syndromes of latah

Thien Thien Lim  1 , Kenny Tan  2 , Gaik Bee Eow  3 , Roongroj Bhidayasiri  4
Affiliations
Review

A South East Asian perspective of neuropsychiatric startle syndromes of latah

Thien Thien Lim et al. Parkinsonism Relat Disord. 2022 Feb.

Abstract

Latah is a culture-specific syndrome characterized by exaggerated startle response, echolalia, palilalia, echopraxia, coprolalia, forced obedience and involuntary vocalization in response to startle. Latah is stimulus-induced and is associated with behavior and psychiatric features. The aim of this review is to provide a comprehensive description on latah from a regional perspective based on previous literature and clinical experiences and highlight the clinical characteristics of latah from a movement disorders perspective. The pathophysiology of latah is complex and poorly understood although psychological stressors have been implicated. In view of the distressing psychosocial impact of latah, this neuropsychiatric startle syndrome warrants further studies to understand the pathophysiology and identify the appropriate treatments.

Keywords: Culture-specific neuropsychiatric startle syndromes; Latah; Startle reflex.

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