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Action effects are coded as transitions from current to future stimulation: Evidence from compatibility effects in
Wilfried Kunde1, Constantin Schmidts1, Robert Wirth1
1Department of Psychology.
Journal of Experimental Psychology. Human Perception and Performance
|November 29, 2016
Summary
This study investigated how sensory changes, not just end states, influence action control. Findings show that matching motor actions to sensory transitions improves performance, even in spatial tasks.
Area of Science:
- Cognitive psychology
- Motor control
- Human-computer interaction
Background:
- Motor actions are controlled by their sensory consequences.
- The precise role of sensory *changes* versus *end states* in action control remains unclear.
Purpose of the Study:
- To investigate whether intended sensory changes or end states primarily govern action control.
- To explore the influence of sensory transitions on motor performance.
Main Methods:
- Participants performed a spatial tracking task.
- The study manipulated the compatibility between motor patterns and stimulus changes.
- The intended end state of the stimulus was kept constant.
Main Results:
- Task performance was significantly influenced by the compatibility between motor actions and subsequent sensory changes.
- Increased spatial compatibility enhanced performance, irrespective of the primary control goal.
- Sensory transitions, not just end states, were shown to bias motor actions.
Conclusions:
- Intended sensory transitions play a crucial role in guiding motor actions.
- These findings support the integration of closed-loop and ideomotor theories of action control.
- Action control mechanisms are sensitive to the dynamic, transitional aspects of sensory feedback.
