Two routes to the same action: an action repetition priming study
Jennifer Randerath1, Kenneth F Valyear, Anna Hood
1a Department of Psychology , University of Konstanz , Konstanz , Germany.
Journal of Motor Behavior
|October 29, 2014
Summary
Recent movements impact action selection. This study found that plan-based action selection is more affected by prior actions than rule-based selection, suggesting different underlying mechanisms for these cognitive processes.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Motor Control
Background:
- Action selection is influenced by various factors, including preceding movements.
- Understanding the interplay between retrospective factors and different action selection strategies is crucial for cognitive science.
Purpose of the Study:
- To investigate how retrospective factors interact with plan-based versus rule-based action selection.
- To determine if recent history differentially affects these two action selection mechanisms.
Main Methods:
- Participants performed two tasks: a plan task (choosing comfortable hand orientation) and a rule task (following a learned prescription).
- Both tasks utilized prime-probe paradigms with identical or varied stimuli/responses.
- Response times were measured to assess the impact of preceding primes.
Main Results:
- A response-time advantage was observed for probes preceded by identical primes in both tasks.
- This 'recent history' effect was significantly greater in the plan task compared to the rule task.
- This indicates plan-based action selection is more sensitive to immediate past events.
Conclusions:
- Plan-based and rule-based action selection employ distinct underlying mechanisms.
- Plan-based action selection is particularly susceptible to the influence of recent movement history.
- These findings contribute to a deeper understanding of how the brain controls actions.
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