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Adaptation to sensory-motor temporal misalignment: instrumental or perceptual learning?
Jon S Kennedy1, Marc J Buehner, Simon K Rushton
1School of Psychology, Cardiff University, Cardiff, UK. kennedyjs@cardiff.ac.uk
Quarterly Journal of Experimental Psychology (2006)
|July 9, 2008
Summary
Humans can adapt to sensory-motor delays through perceptual learning, not just temporary compensation. This adaptation persists over time, suggesting a deeper learning process is involved in sensory-motor tasks.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Motor Control
Background:
- Sensory-motor delays are common during development and vary with environmental factors.
- Previous research shows humans can compensate for temporal misalignments in sensory-motor tasks.
- The role of perceptual learning in adapting to temporal sensory-motor delays remains largely unexplored.
Purpose of the Study:
- To investigate whether perceptual learning contributes to adaptation to temporal misalignments in sensory-motor tasks.
- To determine if after-effects of adaptation to temporal misalignment decay spontaneously.
- To compare adaptation to temporal misalignment with adaptation to spatial misalignment.
Main Methods:
- An attempted replication of Cunningham et al.'s (2001a) study.
- Two experiments investigating after-effects of adaptation to temporal misalignment.
- Analysis of the decay rate of after-effects.
Main Results:
- After-effects of adaptation to temporal misalignment did not spontaneously decay.
- The persistent nature of these after-effects was observed.
- Results were consistent with adaptation being mediated by perceptual learning.
Conclusions:
- Adaptation to temporal misalignment in sensory-motor tasks appears to involve perceptual learning.
- Unlike instrumental learning, this perceptual adaptation is persistent and does not decay without reinforcement.
- The findings suggest a robust mechanism for recalibrating sensory-motor timing.
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