descending tract

a bundle of nerve fibers that carries motor impulses from the brain to the spinal cord. There are three major descending tracts: the corticospinal tract, vestibulospinal tract, and reticulospinal tract. Also called descending pathway. Compare ascending tract.

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Psychology term of the day

May 8th 2024

perceptual development

the acquisition of skills that enable a person to organize sensory stimuli into meaningful entities during the course of physical and psychological development.