Cortical activation during power grip task with pneumatic pressure gauge: an fMRI study
Aging is associated with a decline in cognitive and motor function. But, the relationships with motor performance are less well understood. In this study, functional magnetic resonance imaging (fMRI) was used to assess cortical activation in older adults. This study employed power grip task that...
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| Main Authors: | , , |
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| Format: | E-Article |
| Language: | English |
| Published: |
IOP Publishing Ltd
2017
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| Subjects: | |
| Online Access: | http://ir.unimas.my/id/eprint/17326/1/Cortical%20activation%20during%20power%20grip%20task%20with%20pneumatic%20%28abstract%29.pdf http://ir.unimas.my/id/eprint/17326/ http://iopscience.iop.org/article/10.1088/1742-6596/851/1/012016 |
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| Summary: | Aging is associated with a decline in cognitive and motor function. But, the
relationships with motor performance are less well understood. In this study, functional
magnetic resonance imaging (fMRI) was used to assess cortical activation in older adults. This
study employed power grip task that utilised block paradigm consisted of alternate 30s rest and
active. A visual cue was used to pace the hand grip movement that clenched a cylindrical
rubber bulb connected with pressure pneumatic gauge that measure the pressure (Psi). The
objective of this study is determined the brain areas activated during motor task and the
correlation between percentage signal change of each motor area (BA 4 and 6) and hand grip
pressure. Result showed there was a significant difference in mean percentage signal change in
BA 4 and BA 6 in both hemispheres and negative correlation obtained in BA 4 and BA 6.
These results indicate that a reduced ability in the motor networks contribute to age-related
decline in motor performance. |
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