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Neural components of social evaluation.
William A Cunningham1, Marcia K Johnson, J Chris Gatenby
1Department of Psychology, Yale University, New Haven, CT 06520, USA. william.cunningham@yale.edu
Journal of Personality and Social Psychology
|October 17, 2003
Summary
Brain imaging reveals distinct neural pathways for automatic and controlled evaluations. Automatic responses involve simple valence detection, while controlled evaluations engage higher cognitive functions, particularly with complex attitudes.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Social Psychology
Background:
- Evaluative responses are crucial for decision-making.
- These responses may stem from automatic or controlled cognitive processes.
- Understanding the neural basis of these processes is key.
Purpose of the Study:
- To investigate the neural systems underlying automatic versus controlled evaluative processing.
- To differentiate brain activity associated with simple valence detection and complex attitudinal judgments.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was employed.
- Participants performed evaluative (good-bad) and nonevaluative (past-present) judgment tasks on famous names.
- Brain activity was analyzed in relation to judgment type and valence.
Main Results:
- The amygdala showed greater activity for 'bad' versus 'good' names, irrespective of task type, suggesting automatic valence detection.
- Medial and ventrolateral prefrontal cortex (PFC) activity was higher during explicit good-bad judgments compared to past-present judgments.
- Ventrolateral PFC activity increased with attitudinal ambivalence during good-bad judgments, indicating controlled processing.
Conclusions:
- A neural distinction exists between automatic and controlled evaluative processes.
- Automatic evaluation relies on simple valence sensitivity (e.g., amygdala).
- Controlled evaluation involves more complex cognitive functions, particularly in the PFC, and is sensitive to attitudinal complexity.