지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Objectives: Few studies have assessed the neural mechanisms of the effects of unconscious emotional distracter on cognition in posttraumatic stress disorder (PTSD) patients. Thus, this study used functional magnetic resonance imaging (fMRI) to investigate the effects of unconscious emotional distraction involving fear during conscious working memory (WM) maintenance in patients with PTSD. Methods: This study included 10 patients with PTSD and positive early trauma inventory diagnosed based on Diagnostic and Statistical Manual of Mental Disorders fourth edition-text revision criteria, and 10 matched healthy controls. Event-related fMRI data were obtained while the participants performed a WM task (face recognition) with neutral and unconscious emotional distracters. Results: Patients with PTSD may have sought to maintain WM function during the presentation of task-irrelevant emotional distractors that induced interruption and required attention. Compared to healthy controls, the PTSD patients exhibited significantly increased activity in the superior frontal gyrus, middle frontal gyrus, superior temporal gyrus, middle temporal gyrus, and lingual gyrus in a delayed-response WM task when presented with unconscious emotional and fearful stimuli relative to neutral distracters. Conclusion: This study identified specific brain areas associated with the interaction between emotional regulation and cognitive functioning during unconscious emotional distracters presented while patients with PTSD performed a WM maintenance task. There was no difference in brain activation between the two groups at the conscious level of neutral distractors, but under the unconscious emotional distracters, PTSD patients showed a specific activation of the brain.
목차
등록된 정보가 없습니다.
참고문헌 (29)
참고문헌 신청
Ablon J / 1998 / How expert clinicians’ prototypes of an ideal treatment correlate with outcome in psychodynamic and cognitive-behavioral therapy / Psychotherapy Research 8:71~83
Baddeley AD / 2000 / Working memory and the vividness of imagery / J Exp Psychol Gen 129:126~145
Bergouignan L / 2009 / Can voxel based morphometry, manual segmentation and automated segmentation equally detect hippocampal volume differences in acute depression / Neuroimage 45:29~37
Beutel ME / 2003 / The emerging dialogue between psychoanalysis and neuroscience: neuroimaging perspectives / J Am Psychoanal Assoc 51:773~801
Blake DD / 1995 / The development of a clinician-administered PTSD Scale / J Trauma Stress 8:75~90
Baddeley AD / 2000 / Working memory and the vividness of imagery / J Exp Psychol Gen 129:126~145
Bergouignan L / 2009 / Can voxel based morphometry, manual segmentation and automated segmentation equally detect hippocampal volume differences in acute depression / Neuroimage 45:29~37
Beutel ME / 2003 / The emerging dialogue between psychoanalysis and neuroscience: neuroimaging perspectives / J Am Psychoanal Assoc 51:773~801
Blake DD / 1995 / The development of a clinician-administered PTSD Scale / J Trauma Stress 8:75~90
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