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Color vision predicts processing modes of goal activation during action cascading
Bryant J Jongkees1, Laura Steenbergen2, Lorenza S Colzato3
1Institute of Psychological Research and Leiden Institute for Brain and Cognition, Leiden University, Leiden, The Netherlands.
Summary
Better color vision may predict how efficiently individuals process multiple tasks. This suggests color vision could indicate dopamine D2 receptor efficiency, influencing cognitive control strategies like action cascading.
Area of Science:
- Cognitive Neuroscience
- Neuropharmacology
Background:
- Cognitive control involves action cascading, managing multiple tasks and response options.
- Dopamine (DA) plays a key role, with D1 efficiency favoring serial processing and D2 efficiency favoring parallel processing.
Purpose of the Study:
- To investigate if color vision discrimination can predict individual differences in action cascading strategies.
- To explore color vision as a potential index for dopamine D2 receptor efficiency.
Main Methods:
- Utilized the Lanthony Desaturated Panel D-15 test for color vision assessment.
- Employed a stop-change paradigm to measure action cascading, calculating individual slope values.
- Analyzed the relationship between color vision performance and processing mode (serial vs. parallel).
Main Results:
- Individuals with better color vision exhibited a steeper slope in the stop-change task.
- A steeper slope indicates a more parallel processing mode for goal activation.
- Findings suggest a correlation between color vision acuity and parallel processing during action cascading.
Conclusions:
- Color vision discrimination may serve as a predictor of dopamine D2 receptor efficiency.
- Color vision performance could indicate an individual's predisposition towards parallel goal activation in action cascading.
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