Temporal Relationship between Action and Visual Outcome Modulates Brain Activation: An fMRI Study

• DOI: 10.2463/mrms.4.115
• Publication Date: 2006-02-07T05:56:56Z
• Authors: Masako MATSUZAWA; Kayako MATSUO; Takeshi SUGIO; Chikako KATO; Toshiharu NAKAI
• Keywords: Visual N1; Parietal lobe; N2pc

Monitoring the visual outcome of our actions is critical to visuo-motor behavior. To investigate neural basis monitoring change produced by self-movement, we examined temporal relationship between manual depression a button and feedback on activation brain. Six neurologically normal subjects participated in 3 experiments (synchronous, delayed, [control]). Magnetic resonance (MR) images their brains were acquired during using scanner operating at 3T. In synchronous experiment, pressed self-paced intervals received stimuli response. delayed presented with delay after intervals. control experiment (visual experiment), did not press button, but viewed generated computer random cerebellum right parietal lobe was stronger than whereas primary cortex weaker experiments. These results suggest that outcomes synchronously action are processed area for organization optimal motor behavior, rather known process properties external objects. The cerebellar signal related contingency may modulate cortical processing input action.