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The effects of two matched memory tasks on concurrent finger tapping
1Division of Psychology, Faculty of Business Management and Social Studies, University of Westminster, London, UK.
Neuropsychologia
|January 1, 1994
Summary
Dual task performance reveals how cognitive load affects motor skills. Memorizing word positions, unlike word content, significantly impaired left-hand tapping, indicating task demands influence neural interference patterns.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Motor Control
Background:
- Dual-tasking research investigates cognitive load and its impact on performance.
- Understanding how different cognitive demands interfere with motor tasks is crucial for various applications.
Purpose of the Study:
- To examine the effects of different concurrent cognitive tasks on unimanual finger tapping.
- To determine if the nature of the cognitive task influences the pattern of motor interference.
Main Methods:
- Participants performed a single finger tapping task.
- Concurrent tasks involved either memorizing words or memorizing word positions.
- Percentage change scores were analyzed for tapping hand and task interaction.
Main Results:
- A significant interaction was found between tapping hand and the concurrent task.
- Left-hand tapping decrement was significantly larger when memorizing word positions.
- Right-hand tapping decrement was non-significantly larger when memorizing words.
Conclusions:
- The specific demands of a cognitive task dictate the pattern of interference observed in motor performance.
- Spatial memory tasks impose greater interference on left-hand motor control compared to verbal memory tasks.