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Chemistry of the adaptive mind
Roshan Cools1, Trevor W Robbins
1Department of Experimental Psychology, University of Cambridge, Downing Street, Cambridge CB2 3EB, UK. roshanco@uclink.berkeley.edu
Summary
Adapting to environmental changes is crucial for brain function and is impaired in neuropsychiatric disorders. This review explores how prefrontal cortex neurochemistry influences cognitive control, impacting drug effects and individual variability.
Area of Science:
- Neuroscience
- Cognitive Science
- Psychiatry
Background:
- Failure to adapt to environmental demands is a hallmark of neuropsychiatric disorders, stress, and fatigue.
- Cognitive control, primarily linked to the prefrontal cortex, is essential for adaptation.
- Prefrontal cortex neurochemistry is a key target for understanding cognitive function and dysfunction.
Purpose of the Study:
- To review the neurochemistry of cognitive control and its relation to the prefrontal cortex.
- To elucidate the factors underlying variable drug effects on cognitive control.
- To explore implications for neuropsychiatric disorders and treatment development.
Main Methods:
- Literature review of neurobiological and neurochemical research.
- Analysis of studies on prefrontal cortex function and drug effects.
- Examination of individual and behavioral variability in cognitive responses.
Main Results:
- Drug effects on the prefrontal cortex are highly variable across individuals and tasks.
- Paradoxical effects, including both cognitive enhancement and side effects, are commonly observed.
- Neurobiological research is beginning to explain this variability.
Conclusions:
- Understanding prefrontal cortex neurochemistry is critical for explaining cognitive control variability.
- This knowledge has significant implications for treating conditions like Parkinson's disease, ADHD, and addiction.
- Further research is needed to fully elucidate the mechanisms of drug action and individual differences.