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Striatal Dopamine and the Interface between Motivation and Cognition
Esther Aarts1, Mieke van Holstein, Roshan Cools
1Helen Wills Neuroscience Institute, University of California Berkeley, CA, USA.
Frontiers in Psychology
|August 3, 2011
Summary
Dopamine influences how motivation affects thinking. New research suggests specific brain pathways enable motivation to enhance or hinder cognitive functions based on task needs.
Area of Science:
- Neuroscience
- Cognitive Science
- Neurobiology
Background:
- Dopamine is recognized for its roles in motivation and cognition.
- Emerging evidence highlights dopamine's involvement in the interplay between motivation and cognition.
Purpose of the Study:
- To review recent findings on dopamine's role in motivation-cognition interactions.
- To propose a neurobiological mechanism for how dopamine modulates cognitive functions based on motivational states.
Main Methods:
- Review of animal research on midbrain-striatal circuitry.
- Analysis of dopamine's known effects on cognitive processes.
- Hypothesis formulation based on anatomical and functional evidence.
Main Results:
- Identification of spiraling midbrain-striatal connections that direct information flow.
- Hypothesized role of these connections in mediating motivation's influence on cognition.
- Proposal that dopamine facilitates motivation-specific cognitive modulation.
Conclusions:
- Striato-nigro-striatal connections are proposed as the neural basis for motivation's functional effects on cognition.
- Appetitive motivation can lead to context-dependent cognitive improvements or impairments.
- Dopamine's role extends to dynamically shaping cognitive processes according to motivational demands.
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