Director’s Blog An understanding of how memory works has been the Holy Grail of psychology for the past century. Over the past fifty years, neuroscientists have joined that quest, searching for how and where the brain forms new memories and retrieves old ones.

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Abstract: Objective: Posttraumatic stress disorder (PTSD) is significantly and positively associated with several physical conditions. We aimed to examine whether the nature and number of trauma(s) experienced may be related to physical conditions using a population-based sample.Methods: Data came from Wave 2 of the National Epidemiologic Survey on Alcohol and Related Conditions (N=34, 653; age 20 years and older).

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No question in psychiatric nosology has attracted such consistent controversy over the past several generations as the setting of the boundary between schizophrenia and major mood disorders. Indeed, Kraepelin, the originator of this diagnostic distinction, was well aware of the difficulties of defining precisely this boundary. A closely related question has been whether there exists, between these 2 pivotal diagnostic entities, a third valid disorder that shares some clinical features with each: schizoaffective disorder (SAD)

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