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Functional neuroimaging studies have shown abnormalities of limbic regions in patients with posttraumatic stress disorder (PTSD) during symptom provocation and cognitive activation. Objective: The aim of this study was to determine whether PTSD patients without re-exposure to accident-related stimuli would exhibit alterations in cerebral perfusion compared with age-matched normal subjects. Methods: Brain perfusion SPECT was measured in medication-free 23 PTSD patients and 64 age-matched healthy subjects under resting conditions and analyzed using statistical parametric mapping to compare between the patient and control groups. Results: We found that PTSD patients exhibited increased cerebral blood perfusion in limbic regions and decreased perfusion in the superior frontal gyrus and parietal and temporal regions in comparison with those of the normal controls. Conclusions: This result indicates that PTSD patients have alterations in cerebral perfusion of limbic regions and the frontal and temporal cortex without re-exposure to accident-related stimuli. Significance: This finding supports the hypothesis of the involvement of limbic regions, which might be associated with the regulation of emotion and memory, in the pathophysiology of PTSD.

Titel:	Alterations in cerebral perfusion in posttraumatic stress disorder patients without re-exposure to accident-related stimuli
Autor/in / Beteiligte Person:	YONG AN, CHUNG ; SUNG HOON, KIM ; SOO KYO, CHUNG ; CHAE, Jeong-Ho ; DONG WON, YANG ; HYUNG SUN, SOHN ; JEONG, Jaeseung
Link:	E-Journal im Bestand der UB Hagen? View record from FRANCIS Archive
Zeitschrift:	Clinical neurophysiology, Jg. 117 (2006), Heft 3, S. 637-642
Veröffentlichung:	Shannon: Elsevier Science, 2006
Medientyp:	academicJournal
Umfang:	print; 6; 26 ref
ISSN:	1388-2457 (print)
Schlagwort:	Affect affectivité Affect affectivity Afecto afectividad Système nerveux central pathologie Central nervous system disease Sistema nervosio central patología Système nerveux central Central nervous system Sistema nervioso central Système nerveux pathologie Nervous system diseases Sistema nervioso patología Trouble anxieux Anxiety disorder Trastorno ansiedad Cortex frontal Frontal cortex Corteza frontal Electrodiagnostic Electrodiagnosis Electrodiagnóstico Emotion émotivité Emotion emotionality Emoción emotividad Encéphale pathologie Cerebral disorder Encéfalo patología Homme Human Hombre Mémoire Memory Memoria Physiopathologie Pathophysiology Fisiopatología Posttraumatisme syndrome Posttraumatic syndrome Posttraumatismo síndrome Stress Estrés Etat de stress posttraumatique Posttraumatic stress disorder Trastorno de estrés posttraumático Syndrome de stress posttraumatique Accident-related stimuli Limbic regions PTSD SPECT Sciences biologiques et medicales Biological and medical sciences Sciences biologiques fondamentales et appliquees. Psychologie Fundamental and applied biological sciences. Psychology Psychologie. Psychophysiologie Psychology. Psychophysiology Psychophysiologie du comportement Behavioral psychophysiology Electrophysiologie Electrophysiology Sciences medicales Medical sciences Techniques d'exploration et de diagnostic (generalites) Investigative techniques, diagnostic techniques (general aspects) Electrodiagnostic. Enregistrement des activités électriques Electrodiagnosis. Electric activity recording Système nerveux Nervous system Psychologie. Psychanalyse. Psychiatrie Psychology. Psychoanalysis. Psychiatry Neurology Neurologie
Sonstiges:	Nachgewiesen in: FRANCIS Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: Department of Radiology, The Catholic University of Korea, Seoul, Korea, Republic of ; Department of Psychiatry, The Catholic University of Korea, Seoul, Korea, Republic of ; Department of Neurology College of Medicine, The Catholic University of Korea, Seoul, Korea, Republic of ; Department of BioSystems, Korea Advanced Institute of Science and Technology (KAIST), Yuseong-gu, Kuseong-dong 373-1, Daejeon 305-701, Korea, Republic of ; Department of Psychiatry, Columbia College of Physicians and Surgeons and the New York State Psychiatric Institute, New York, NY 10032, United States Rights: Copyright 2006 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS

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Alterations in cerebral perfusion in posttraumatic stress disorder patients without re-exposure to accident-related stimuli