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Processing expected and unexpected uncertainty is modulated by fearless-dominance personality traits - An exploratory
Lydia Kogler1, Uta Sailer2, Birgit Derntl1
1Department of Psychiatry and Psychotherapy, Medical School, University of Tübingen, Calwerstrasse 14, 72074 Tübingen, Germany.
Physiology & Behavior
|November 7, 2016
Summary
This study reveals how personality traits like fearless-dominance influence performance monitoring. Individuals with fearless-dominance adapt their processing of expected and unexpected uncertainty, showing distinct neural responses.
Area of Science:
- Cognitive Neuroscience
- Personality Psychology
Background:
- Performance monitoring relies on expectancy and certainty.
- The impact of expected versus unexpected uncertainty on neural correlates like FRN and P300 is unclear.
- Fearless-dominance, characterized by high social potency and low anxiety, may relate to enhanced performance monitoring.
Purpose of the Study:
- To investigate the distinct effects of expected and unexpected uncertainty on performance monitoring.
- To examine the relationship between fearless-dominance and neural responses during uncertainty.
- To understand how personality influences adaptive performance monitoring.
Main Methods:
- A probabilistic gambling task was used with healthy individuals.
- Feedback stimuli included expected-certain, expected-uncertain, and unexpected-uncertain conditions.
- Event-related potentials (ERPs), specifically feedback-related negativity (FRN) and P300, were measured.
Main Results:
- Both expected-uncertain and unexpected-uncertain feedback elicited stronger FRN and P300 responses than expected-certain feedback.
- Individuals with higher fearless-dominance showed reduced feedback processing in expected-uncertain trials.
- Fearless-dominant individuals exhibited enhanced attentional processing in expected-certain trials.
Conclusions:
- Performance monitoring adapts to different types of uncertainty, with distinct neural signatures.
- Fearless-dominance is associated with adaptive, situation-specific modulation of performance monitoring.
- Differentiating expected and unexpected uncertainty is crucial for understanding fearless-dominance and related behaviors.
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