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Updated: Jul 17, 2026

How to Detect Amygdala Activity with Magnetoencephalography using Source Imaging
Published on: June 3, 2013
Angst and the amygdala
1Department of Physiology and Biophysics, Georgetown University, School of Medicine, Washington, DC, USA. jschulkin@acog.org
Abstract:
Fear is an adaptation to danger, but excessive fear underlies diverse forms of mental anguish and pathology. One neural site linked to a sense of adversity is the amygdala, and one neuropeptide, corticotropin-releasing hormone (CRH), is localized within the central nucleus of the amygdala. Glucocorticoids enhance the production of CRH in this region of the brain, resulting in increased attention to external events and, when sustained for longer periods of time, perhaps contributing to anxious depression.
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