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Frontal information flow and connectivity in psychopathy
Yaling Yang1, Adrian Raine, Anand A Joshi
1Laboratory of Neuro Imaging, Department of Neurology, David Geffen School of Medicine, University of California, 1721 Speyer Lane, Redondo Beach, Los Angeles, CA 90278, USA. yalingy@usc.edu
Individuals with psychopathy exhibit altered brain connectivity, particularly in frontal regions. Novel graph theory analysis revealed distinct network hubs, suggesting frontal information flow is crucial to psychopathy neuropathology.
Area of Science:
- Neuroscience
- Psychiatry
- Graph Theory Applications
Background:
- Psychopathy is associated with structural brain deficits, particularly in frontal regions.
- System-level disturbances in cortical networks in psychopathy are not well understood.
Purpose of the Study:
- To investigate systems-level disturbances in cortical networks in individuals with psychopathy.
- To apply novel graph theory methods to analyze information flow and connectivity.
Main Methods:
- Applied graph theory-based methods to cortical thickness measures.
- Analyzed data from 55 individuals with psychopathy and 47 healthy controls.
- Assessed interregional connectivity patterns and information flow.
Main Results:
- The psychopathy group displayed significantly altered interregional connectivity compared to controls.
- Bilateral superior frontal cortices were identified as information flow control hubs in psychopathy.
- Controls showed network hubs in bilateral inferior frontal and medial orbitofrontal cortices.
Conclusions:
- Frontal information flow and connectivity play a significant role in the neuropathology of psychopathy.
- Altered network hubs in frontal regions may underlie behavioral and cognitive deficits in psychopathy.
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