Mechanisms Of Motor Control

Neurophysiologists have only begun to understand the mechanisms of the motor system, and this section should be considered a highly provisional account of these mechanisms. Most of the relevant information comes from studies of neuronal activity in awake, behaving monkeys.

In generating the plan for a simple reaching movement, the initial problem involves kinematics, figuring out the current location of the end effector (often the hand), the location of the target, and perhaps the path between them. Both the premotor cortex (PM) and the posterior parietal cortex (PPC) appear to have key roles in solving this problem. The general locations of these cortical regions are depicted in Fig. 2.

Conquering Fear In The 21th Century

Conquering Fear In The 21th Century

The Ultimate Guide To Overcoming Fear And Getting Breakthroughs. Fear is without doubt among the strongest and most influential emotional responses we have, and it may act as both a protective and destructive force depending upon the situation.

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