Neurophysiol Joo - Hyun Song and Robert M . McPeek movements in superior colliculus Neural correlates of target selection for reaching
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Neural correlates of target selection for reaching movements in superior colliculus.
We recently demonstrated that inactivation of the primate superior colliculus (SC) causes a deficit in target selection for arm-reaching movements when the reach target is located in the inactivated field (Song JH, Rafal RD, McPeek RM. Proc Natl Acad Sci USA 108: E1433-E1440, 2011). This is consistent with the notion that the SC is part of a general-purpose target selection network beyond eye m...
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Purposive action requires the selection of a single movement goal from multiple possibilities. Neural structures involved in movement planning and execution often exhibit activity related to target selection. A key question is whether this activity is specific to the type of movement produced by the structure, perhaps consisting of a competition among effector-specific movement plans, or whethe...
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45 46 Most visual scenes are complex and crowded, with several different objects competing for 47 attention and action. Thus, a complete understanding of the production of goal-directed actions 48 must incorporate the higher-level process of target selection. To examine the neural substrates 49 of target selection for visually-guided reaching, we recorded the activity of isolated neurons in 50 ...
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