Related Experiment Video
Updated: Jul 11, 2026
07:52
Revised and Neuroimaging-Compatible Versions of the Dual Task Screen
Published on: October 5, 2020
Brain activity associated with dual-task management differs depending on the combinations of response modalities
Hideki Mochizuki1, Manabu Tashiro, Jiro Gyoba
1Department of Sensory-Motor Integration, National Institute for Physiological Sciences, 38 Nishigonaka, Myodaiji, Okazaki, Aichi, Japan. motiz@nips.ac.jp
Brain Research
|September 11, 2007
Summary
Dual-task management involves the fronto-parietal network. Brain activity, particularly in the right premotor cortex, differs based on response modalities, influencing task interference intensity.
Area of Science:
- Neuroscience
- Cognitive Neuroscience
- Neuroimaging
Background:
- The fronto-parietal network is crucial for dual-task management.
- Neural mechanisms differentiating dual-task interference based on response modality are not well understood.
Purpose of the Study:
- To investigate the relationship between brain activity and response modalities during dual-task management.
- To identify neural correlates of varying dual-task interference intensity.
Main Methods:
- Functional imaging was used to compare brain activity during dual-task conditions with same (finger) versus different (finger and oral) response modalities.
- Participants performed dual-tasks involving visual and auditory stimuli with bilateral finger responses (DT-same) or finger and oral responses (DT-different).
Main Results:
- The right premotor cortex, precuneus, and right posterior parietal cortex showed significant activation in the DT-same condition.
- Right premotor cortex activity correlated with response delays in the DT-same condition and was higher than in the DT-different condition.
- Parietal cortex activation also differed significantly between the DT-same and DT-different conditions.
Conclusions:
- Brain activity during dual-task management varies with response modality combinations.
- Differences in right premotor cortex load may underlie the varying intensity of dual-task interference between same and different response modalities.
