Lecture 6 - Human Fiber Tracts - Quiz 2 Flashcards
Does the dorsal horn and spinal column contain motor or sensory relay neurons?
Sensory relay neurons
Does the ventral horn and spinal column contain motor or sensory relay neurons?
Motor neurons
Approximately how many axons compromise the corpus callosum in humans?
200-250 million axons
T/F - The corpus callosum connects Wernicke’s area to Broca’s area for language processing
False
T/F - The corpus callosum mediates frontal-parietal right hemisphere attentional processes
False
T/F - The corpus callosum links the frontal cortex with the cerebellum for motor control
False
T/F - The corpus callosum supports lateralization of function by connecting the left and right cerebral hemispheres
True
T/F - The cingulum is a nucleus that resides beneath the pineal gland
False
T/F - The cingulum is a fiber tract that connects the cingulate gyrus to the entorhinal cortex
True
T/F - The cingulum is a structural member that prevents excessive motion of the cerebral hemispheres
True
T/F - The cingulum has been targeted surgically in OCD
True
Which c-shaped bundle of fibers originates in the hippocampus and course to the midline with small numbers crossing to the opposite hemisphere?
Forinx
T/F - There is a single pathway for receptors on the tongue, pharynx, and soft palate into the VPMm nucleus of the thalamus
True
T/F - Each type of taste receptor has its own pathway directly into the frontal cortex
False
T/F - the cortical target of the taste pathway is part of the primary somatosensory cortex
True
