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자살행동의 소인과 생물학적 인자의 관련Association of Diathesis and Biological Factors in Suicidal Behavior

Other Titles
Association of Diathesis and Biological Factors in Suicidal Behavior
Authors
이분희김용구
Issue Date
May-2007
Publisher
대한신경정신의학회
Keywords
aggression; hypothalamic-pituitary-adrenal axis; impulsivity; norepinephrine; serotonin; suicide; stress
Citation
Journal of Korean Neuropsychiatric Association, v.46, no.3, pp.195 - 200
Journal Title
Journal of Korean Neuropsychiatric Association
Volume
46
Number
3
Start Page
195
End Page
200
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/17957
ISSN
1015-4817
Abstract
Suicide is a significant public health issue and a major cause of death throughout the world. There are significant evidences that the activity of 3 neurobiological systems has a role in the pathophysiology of suicidal behavior: a deficiency of serotonergic system, a hyperactivity of the hypothalamic-pituitary-adrenal axis, an excessive release of norepinephrine. These neurobiological abnormalities might correlate with the diathesis of suicide including pessimism and aggression. Dysfunction of the serotonergic system is thought to be associated with disturbances in the regulation of impulsivity and aggression, which may be trait-dependent factor. Hyperactivity of the hypothalamo-pituitary-adrenal axis and excessive activity of the noradrenergic system appear to be involved in the response to stressful events, which may be state-dependent factor. In the future, more understanding several aspect of suicidal behavior and the neurobiology of suicide can help detect better predictor of suicidal behavior and better treatment interventions.
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