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Updated: Sep 3, 2025
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The "Motor" in Implicit Motor Sequence Learning: A Foot-stepping Serial Reaction Time Task
Published on: May 3, 2018
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Visual priming of two-step motion sequences.
Nicolas Davidenko1,2, Nathan H Heller3,4, Maxwell J Schooley1,5
1Department of Psychology, University of California, Santa Cruz, Santa Cruz, CA, USA.
Journal of Vision
|July 26, 2022
Summary
Previous motion influences perception of ambiguous apparent motion. This study shows arbitrary two-step motion sequences, like staircase motion, can be primed, suggesting higher-order cognitive processes are involved.
Area of Science:
- Visual perception
- Cognitive psychology
- Neuroscience
Background:
- Perception of apparent motion is influenced by preceding motion.
- Priming effects have been observed for unidirectional (drifting) and alternating (rebounding) motion sequences.
Purpose of the Study:
- To investigate if arbitrary two-step motion sequences, specifically staircase motion, can be primed.
- To compare the effectiveness of motion primes versus symbolic primes.
- To explore the underlying mechanisms of motion priming.
Main Methods:
- Presented observers with sequences of motion frames (drifting, rebounding, staircase) to establish priming.
- Tested perception of ambiguous motion frames following different priming conditions.
- Compared priming effectiveness using varying numbers of priming frames and types of primes (motion vs. symbolic arrows).
Main Results:
- Arbitrary two-step staircase motion sequences can be effectively primed.
- Priming of staircase motion was more effective with four priming frames than two.
- Motion primes were significantly more effective than symbolic arrow primes.
- Existing models of motion processing do not fully explain staircase motion priming.
Conclusions:
- Priming extends to more complex, arbitrary two-step motion sequences beyond simple drifting or rebounding.
- The effectiveness of priming staircase motion suggests the importance of sequence element repetition.
- Higher-order cognitive processes, including attention and visual working memory, are likely involved in priming arbitrary two-step motion sequences.
