Motor Pathways

Item #3 of 10

The muscle contractions resulting in fine and discrete movements of the fingers are controlled uniquely by the _________________.

ventrolateral and ventral anterior nuclei of the thalamus;

ventromedial pathways;

corticospinal tract;

tectospinal tract;

none of the alternatives is correct because there is no one unique tract controlling discrete contractions of the muscles underlying discrete finger movements.;

INCORRECT - The neurons of the ventromedial pathways control bilateral movements of the body along the midline, such as bending, turning, standing up, sitting down, walking, and swimming.

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		ventrolateral and ventral anterior nuclei of the thalamus;
		ventromedial pathways;
		corticospinal tract;
		tectospinal tract;
		none of the alternatives is correct because there is no one unique tract controlling discrete contractions of the muscles underlying discrete finger movements.;