Diverse coordinate frames on sensorimotor areas in visuomotor transformation.
Diverse coordinate frames on sensorimotor areas in visuomotor transformation.
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DOI:
10.1038/s41598-017-14579-3
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发表时间:
2017-11-02
影响因子:
4.6
通讯作者:
Izawa J
中科院分区:
文献类型:
--
作者:
Fujiwara Y;Lee J;Ishikawa T;Kakei S;Izawa J
The visuomotor transformation during a goal-directed movement may involve a coordinate transformation from visual ‘extrinsic’ to muscle-like ‘intrinsic’ coordinate frames, which might be processed via a multilayer network architecture composed of neural basis functions. This theory suggests that the postural change during a goal-directed movement task alters activity patterns of the neurons in the intermediate layer of the visuomotor transformation that recieves both visual and proprioceptive inputs, and thus influence the multi-voxel pattern of the blood oxygenation level dependent signal. Using a recently developed multi-voxel pattern decoding method, we found extrinsic, intrinsic and intermediate coordinate frames along the visuomotor cortical pathways during a visuomotor control task. The presented results support the hypothesis that, in human, the extrinsic coordinate frame was transformed to the muscle-like frame over the dorsal pathway from the posterior parietal cortex and the dorsal premotor cortex to the primary motor cortex.
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