Cavum septum pellucidum and psychopathy
Päivi Toivonen1, Mervi Könönen, Eini Niskanen
1Vanha Vaasa Hospital, Vaasa, Finland.
Summary
The cavum septum pellucidum (CSP) is not a reliable indicator for psychopathy or antisocial personality disorder. This neurodevelopmental marker was found in equal proportions among violent offenders and control groups in a recent study.
Area of Science:
- Neuroscience
- Psychiatry
- Forensic Psychology
Background:
- The cavum septum pellucidum (CSP) has been suggested as a potential neurodevelopmental marker associated with psychopathy.
- Previous research indicated a possible link between CSP and antisocial personality disorder.
Purpose of the Study:
- To investigate the prevalence of cavum septum pellucidum (CSP) in individuals with a history of violent offending compared to a control group.
- To determine if CSP is a common or unique neurodevelopmental marker for psychopathy.
Main Methods:
- Magnetic Resonance Imaging (MRI) scans were utilized to examine brain structures.
- A cohort of 26 violent offenders and 25 healthy controls were included in the study.
- The presence or absence of cavum septum pellucidum was systematically assessed in all participants.
Main Results:
- The cavum septum pellucidum (CSP) was identified in 8% of the violent offender group.
- Similarly, 8% of the control group also exhibited the presence of CSP.
- The prevalence rates were statistically similar between the two groups.
Conclusions:
- The findings suggest that the presence of cavum septum pellucidum (CSP) is not a distinguishing feature of psychopathy or antisocial personality disorder.
- CSP does not appear to be a common or unique neurodevelopmental marker for these conditions based on this study's data.
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