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21 - Non-human primate models in understanding anxiety

from Section 3 - Understanding the causes of anxiety

Published online by Cambridge University Press:  10 November 2010

Helen Blair Simpson
Affiliation:
Columbia University, New York
Yuval Neria
Affiliation:
Columbia University, New York
Roberto Lewis-Fernández
Affiliation:
Columbia University, New York
Franklin Schneier
Affiliation:
Columbia University, New York
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Summary

Non-human primates share a great deal of phylogenic proximity to humans and exhibit similar behavioral and physiological responses to anxiety-producing situations. Through naturalistic and laboratory studies, researchers were able to identify a specific subgroup of monkeys that exhibited hyper-responsiveness to anxiety-promoting situations. These subjects shared behavioral features as well as biological changes, such as the dysregulation of hypothalamic-pituitary-adrenal (HPA) axis. The significance of maternal-infant attachment has been seen as a significant factor in the development and maturation of biological systems. Impaired attachment through parental deprivation, repeated separation, abuse, and disruption through unpredictable foraging demand leads to significant neurobiological and behavioral sequelae. Neuroimaging and functional studies have identified certain regions of significance, and together with lesion studies have provided insight into complex neural circuitry. Non-human primates have also aided in understanding resilience through exploration of stress inoculation and maternal-infant relation.
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Chapter
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Anxiety Disorders
Theory, Research and Clinical Perspectives
, pp. 239 - 248
Publisher: Cambridge University Press
Print publication year: 2010

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