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Heterogeneity of non-conscious fear perception in posttraumatic stress disorder as a function of physiological arousal: An fMRI study

✍ Scribed by Andrew H. Kemp; Kim L. Felmingham; Erin Falconer; Belinda J. Liddell; Richard A. Bryant; Leanne M. Williams

Book ID: 113866354
Publisher: Elsevier Science
Year: 2009
Tongue: English
Weight: 411 KB
Volume: 174
Category: Article
ISSN: 0925-4927
DOI: 10.1016/j.pscychresns.2009.04.012

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## Abstract Biological models of posttraumatic stress disorder (PTSD) suggest that patients will display heightened amygdala but decreased medial prefrontal activity during processing of fear stimuli. However, a rapid and automatic alerting mechanism for responding to nonconscious signals of fear s