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Medial orbitofrontal cortex is associated with shifting decision thresholds in self-serving cognition
Brent L Hughes1, Jennifer S Beer
1Department of Psychology and Imaging Research Center, The University of Texas at Austin, Austin, TX 78712, USA.
Neuroimage
|March 24, 2012
Summary
Self-serving cognition, the tendency to make overly flattering self-claims, is linked to brain activity. Accountability influences decision thresholds and brain activation in regions like the medial orbitofrontal cortex (MOFC).
Area of Science:
- Neuroscience
- Cognitive Neuroscience
- Social Neuroscience
Background:
- Self-serving cognition involves making self-flattering claims.
- Neural mechanisms underlying self-serving cognition are not fully understood.
- Medial orbitofrontal cortex (MOFC) may modulate decision thresholds related to self-serving biases.
Purpose of the Study:
- To investigate the neural mechanisms supporting self-serving cognition.
- To examine the role of decision thresholds in self-serving biases.
- To explore how accountability influences neural activation and decision-making.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was employed.
- A signal detection approach was combined with contextual manipulation (accountability vs. unaccountability).
- Participants evaluated familiarity with real and fake information under different accountability conditions.
Main Results:
- Accountability led to more conservative decision thresholds (less self-serving).
- Greater activation was observed in orbitofrontal cortex (OFC), medial prefrontal cortex (MPFC), and dorsal anterior cingulate cortex (dACC) under accountability.
- Increased MOFC activation correlated with more conservative decision thresholds in the accountable condition.
Conclusions:
- Findings suggest MOFC plays a role in adjusting decision thresholds to mitigate self-serving biases.
- Neural regions including OFC, MPFC, and dACC are involved in regulating self-serving cognition.
- Accountability serves as a contextual factor influencing neural mechanisms of self-representation and decision-making.
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