Related Experiment Video
Updated: May 19, 2026
05:48
How to Build a Dichoptic Presentation System That Includes an Eye Tracker
Published on: September 6, 2017
Neural correlates of individual performance differences in resolving perceptual conflict
Franziska Labrenz1, Maria Themann, Edmund Wascher
1Institute for Cognitive Neuroscience, Biopsychology, Ruhr-University Bochum, Bochum, Germany. franziska.labrenz@rub.de
Plos One
|August 24, 2012
Summary
Good attentional control, involving brain networks like the orbitofrontal cortex, enhances performance in demanding tasks. Poor performance is linked to conflict perception and inhibition strategies.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Neuroimaging
Background:
- Behavioral organization relies on attentional mechanisms.
- Situations often involve competition between salient irrelevant stimuli and less salient relevant stimuli.
- Top-down and bottom-up attentional mechanisms interact to resolve perceptual conflict.
Purpose of the Study:
- To investigate how individual differences in resolving perceptual conflict relate to brain networks.
- To examine brain activity patterns associated with attentional selection during conflict.
- To understand the neural basis of good versus poor performance in competitive attention tasks.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was used.
- A change detection task with and without distractors was employed.
- Interindividual differences in performance were correlated with brain activation.
Main Results:
- Good performers showed increased activation in orbitofrontal cortex (BA 11), anterior cingulate (BA 25), inferior parietal lobule (BA 40), and visual areas (V2, V3).
- Good performers exhibited decreased activation in BA 39, suggesting stronger top-down attentional control.
- Poor performers showed activation in left inferior parietal lobule (BA 39) and deactivation in fronto-parietal and visual regions, indicating greater conflict perception and potential inhibition strategies.
Conclusions:
- Higher sensitivity in perceptual areas and enhanced attentional control lead to reduced stimulus processing conflict.
- Effective attentional selection and top-down control are crucial for high performance in competitive environments.
- Neural differences in attentional networks underlie variations in perceptual conflict resolution and task performance.
Related Concept Videos
01:12Perceptual Constancy
Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
01:25Factors Affecting Perception
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
An illustrative example of a perceptual set is the scenario where an airline pilot told...
01:26Causes of Similarity-Dissimilarity Effect
The similarity-dissimilarity effect, a fundamental concept in social psychology, explains how interpersonal similarities and differences influence attraction and social interactions. This effect is supported by three key psychological perspectives: balance theory, social comparison theory, and consensual validation.Balance Theory and Cognitive ConsistencyBalance theory, developed by Fritz Heider, posits that individuals seek cognitive consistency in their relationships. When two people share...
01:29Self-Discrepancy and Its Effects
Self-discrepancy theory explains how people compare their actual self to their ideal and ought selves and how mismatches between these self-guides can lead to emotional distress. Developed by E. Tory Higgins, the theory distinguishes among three components of self-concept: the actual self, the ideal self, and the ought self. These refer respectively to how individuals perceive themselves, how they aspire to be, and how they believe they are obligated to be. Emotional well-being, self-esteem,...
02:45Self-Discrepancy Theory
One influential perspective on what motivates people's behavior is detailed in Tory Higgin's self-discrepancy theory (Higgins, 1987). He proposed that people hold disagreeing internal representations of themselves that lead to different emotional states.
01:29Dark Triad and Person Perception
Person perception is influenced by both external behaviors and the observer’s internal characteristics, including personality traits. Individuals with dark personality traits, comprising psychopathy, Machiavellianism, and narcissism — collectively known as the dark triad – exhibit manipulative and exploitative tendencies in social contexts. These traits affect how they perceive others and how they are perceived.The Role of Dark Personality Traits in Person PerceptionBlack et al. (2014) explored...