Abstract:Posttraumatic stress disorder is a complex anxiety disorder induced by a stress factor. It is believed that this fear conditioning impairment may be crucial to PTSD development. Stress induced electrophysiological and neurohormonal changes within the hippocampus, amygdala, prefrontal cortex or locus coeruleus may impair other regional functions of the central nervous system like suprachiasmatic nuclei functions. Furthermore, the activation of llocus coeruleus or its impact on the activity of superchiasmatic nu… Show more
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