The caudate nucleus, buried beneath the cerebral cortex, is involved in habit formation. Evidence from brain imaging studies suggests that new habits may be established during rapid eye movement (REM) sleep, when our most vivid and…
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Recently it has become fashionable to criticize the Diagnostic and Statistical Manual (DSM) as psychiatry is about to switch over from DSM-4 to DSM-5. Certainly the DSM has its limitations, but these are the limitations of…
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In the world of PTSD sufferers, a “trigger” is a sensory experience (a sight, sound, smell, taste, touch, or pain) that brings back (or “triggers”) memories of their original trauma. The memories, in turn, trigger flashbacks, and…
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