Biological explanations of criminal behavior

Area of Science:

• Neuroscience
• Genetics
• Criminology

Background:

• Growing body of research explores biological underpinnings of antisocial and criminal behavior.
• Previous studies have identified various biological correlates, but a comprehensive review is needed.

Purpose of the Study:

• To provide a selective review of key biological factors associated with antisocial and criminal behavior.
• To highlight the roles of psychophysiology, brain mechanisms, and genetics.

Main Methods:

• Literature review focusing on psychophysiology (heart rate, skin conductance).
• Examination of brain mechanisms (prefrontal cortex, amygdala, striatum).
• Analysis of genetic factors (gene-environment and gene-gene interactions).

Main Results:

• Blunted psychophysiological responses (heart rate, skin conductance) are associated with antisocial behavior.
• Structural and functional brain aberrations in the prefrontal cortex, amygdala, and striatum are implicated.
• Gene-environment and gene-gene interactions play a significant role in the development of criminal behavior.

Conclusions:

• Biological factors offer crucial insights into antisocial and criminal behavior.
• Integrating biological perspectives enhances the explanatory power of existing research and theories.
• Findings can inform evidence-based policy and treatment strategies for individuals exhibiting antisocial and criminal behaviors.