Neurons related to goal-directed motor acts in inferior area 6 of the macaque monkey

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Abstract
A new class of neurons was identified in the rostral part of inferior area 6 in the macaque monkey (Macaca nemestrina). These neurons fire in relation to motor acts which have a particular aim such as reaching, grasping or holding. The same neuron discharges when the animal uses the right hand, the left hand and, frequently, also the mouth. Furthermore most of these neurons specify how the aim can be achieved (e.g. precision grip vs whole hand prehension). Different types of goal-related neurons form a vocabulary of simple motor acts localized in inferior area 6.