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Aberrant Functional Connectivity Of The Amygdala Complexes In Ptsd During Conscious And Subconscious Processing Of Trauma-Related Stimuli, Daniela Rabellino, Maria Densmore, Paul A Frewen, Jean Theberge, Margaret C Mckinnon, Ruth A Lanius
Aberrant Functional Connectivity Of The Amygdala Complexes In Ptsd During Conscious And Subconscious Processing Of Trauma-Related Stimuli, Daniela Rabellino, Maria Densmore, Paul A Frewen, Jean Theberge, Margaret C Mckinnon, Ruth A Lanius
Department of Medicine Publications
Post-traumatic stress disorder (PTSD) is characterized by altered functional connectivity of the amygdala complexes at rest. However, amygdala complex connectivity during conscious and subconscious threat processing remains to be elucidated. Here, we investigate specific connectivity of the centromedial amygdala (CMA) and basolateral amygdala (BLA) during conscious and subconscious processing of trauma-related words among individuals with PTSD (n = 26) as compared to non-trauma-exposed controls (n = 20). Psycho-physiological interaction analyses were performed using the right and left amygdala complexes as regions of interest during conscious and subconscious trauma word processing. These analyses revealed a differential, context-dependent responses by each amygdala …