Journal
AMERICAN JOURNAL OF PSYCHIATRY
Volume 167, Issue 1, Pages 56-60Publisher
AMER PSYCHIATRIC PUBLISHING, INC
DOI: 10.1176/appi.ajp.2009.09040499
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Funding
- Medical Research Council (U.K.)
- Wellcome Trust (U.K.)
- NIH [R01 MH46435]
- Independent Scientist Award [K02 MH01114]
- NATIONAL INSTITUTE OF MENTAL HEALTH [K02MH001114, R01MH046435] Funding Source: NIH RePORTER
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Objective: Amygdala dysfunction is theorized to give rise to poor fear conditioning, which in turn predisposes to crime, but it is not known whether poor conditioning precedes criminal offending. This study prospectively assessed whether poor fear conditioning early in life predisposes to adult crime in a large cohort. Method: Electrodermal fear conditioning was assessed in a cohort of 1,795 children at age 3, and registration for criminal offending was ascertained at age 23. In a case-control design, 137 cohort members with a criminal record were matched on gender, ethnicity, and social adversity with 274 noncriminal comparison members. Statistical analyses compared childhood fear conditioning for the two groups. Results: Criminal offenders showed significantly reduced electrodermal fear conditioning at age 3 compared to matched comparison subjects. Conclusions: Poor fear conditioning at age 3 predisposes to crime at age 23. Poor fear conditioning early in life implicates amygdala and ventral prefrontal cortex dysfunction and a lack of fear of socializing punishments in children who grow up to become criminals. These findings are consistent with a neurodevelopmental contribution to crime causation.
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