Neuroendocrinology of Anxiety Disorders

Samir Khan, Anthony P. King, James L. Abelson, Israel Liberzon

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations

Abstract

The hypothalamic-pituitary-adrenal (HPA) axis response to stress is well documented. However, less is established regarding the role of this neuroendocrine system in stress-related psychopathology. The current chapter reviews the scientific literature on HPA functioning in panic disorder, posttraumatic stress disorder (PTSD), social and specific phobia, and generalized anxiety disorder. More specifically, it examines studies that have characterized biological rhythms of HPA axis hormones at basal state, the endocrine response to laboratory and naturalistic challenges, the response to direct pituitary and adrenal stimulation, and the sensitivity of inhibitory feedback mechanisms. While the current literature does not directly support a link between symptoms and HPA dysfunction, several abnormalities have been identified and evidence suggests further study may prove fruitful in understanding the pathophysiology of specific disorders.

Original languageEnglish (US)
Title of host publicationOxford Handbook of Anxiety and Related Disorders
PublisherOxford University Press
ISBN (Electronic)9780199940141
ISBN (Print)9780195307030
DOIs
StatePublished - Sep 4 2008

Keywords

  • Anxiety disorders
  • Cortisol
  • HPA
  • Panic
  • Phobia
  • Posttraumatic stress disorder
  • Reactivity
  • Stress

ASJC Scopus subject areas

  • Psychology(all)

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