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Lateral preference in post-traumatic stress disorder

Published online by Cambridge University Press:  01 January 1998

B. SPIVAK ,
M. SEGAL ,
R. MESTER  and
A. WEIZMAN
B. SPIVAK
Affiliation:
From the Research Unit, Ness Ziona Mental Health Center, Ness Ziona; Sackler Faculty of Medicine, Tel Aviv; Flugelman (Mazra) Psychiatric Hospital, Ashrat; Research Unit, Gehah Psychiatric Hospital and Felsenstein Medical Research Center, Beilinson Campus, Petah Tiqva, Israel
M. SEGAL
Affiliation:
From the Research Unit, Ness Ziona Mental Health Center, Ness Ziona; Sackler Faculty of Medicine, Tel Aviv; Flugelman (Mazra) Psychiatric Hospital, Ashrat; Research Unit, Gehah Psychiatric Hospital and Felsenstein Medical Research Center, Beilinson Campus, Petah Tiqva, Israel
R. MESTER
Affiliation:
From the Research Unit, Ness Ziona Mental Health Center, Ness Ziona; Sackler Faculty of Medicine, Tel Aviv; Flugelman (Mazra) Psychiatric Hospital, Ashrat; Research Unit, Gehah Psychiatric Hospital and Felsenstein Medical Research Center, Beilinson Campus, Petah Tiqva, Israel
A. WEIZMAN
Affiliation:
From the Research Unit, Ness Ziona Mental Health Center, Ness Ziona; Sackler Faculty of Medicine, Tel Aviv; Flugelman (Mazra) Psychiatric Hospital, Ashrat; Research Unit, Gehah Psychiatric Hospital and Felsenstein Medical Research Center, Beilinson Campus, Petah Tiqva, Israel
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Abstract

Background. We assessed lateral preference in 80 male patients with combat-related post-traumatic stress disorder (PTSD) and in 100 healthy age-matched male controls.

Methods. Hand, foot, eye and ear preferences were examined, using the Edinburgh Handedness Inventory-Modified and the Coren Inventory of Lateral Preference.

Results. Mixed lateral preference was noted in significantly more PTSD patients than controls (65 v. 43%, P<0·005).

Conclusions. These results indicate a possible hemispheric imbalance (less lateralization) in PTSD patients, with the right hemisphere playing a more active role in perceptual and cognitive processing and in the regulation of biological responses in these patients. This imbalance may be relevant to the pathophysiology of PTSD.

Type
BRIEF COMMUNICATION
Information
Psychological Medicine , Volume 28 , Issue 1 , January 1998 , pp. 229 - 232
Copyright
© 1998 Cambridge University Press

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