Stimulation of “Second” Motor Areas in the Macaque Temporal Lobe

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Abstract
There is a "second" or "additional" motor area in the temporal lobe of the monkey which, upon stimulation, will evoke ipsilateral facial movements. This area is located at the tip of the temporal lobe, in the superior and middle temporal gyri, and particularly in the lateral and basal portions of the inferior temporal gyrus. These face movements are combined frequently with shoulder and arm movements when the middle and inferior temporal gyri are stimulated and particularly with leg movements when the inferior temporal gyrus is the site of stimulation. Farther back in the temporal lobe there is some indication that arm and leg movements may be obtained independently of motor responses of the face.