BIOL 030 Lecture Notes - Lecture 31: Tentorium Cerebelli, Language Localisation, Apple Pencil
16 Aug 2020
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Document Summary
Association fibers link the areas in the same cerebral hemisphere. Commissural fibers bundles of transverse fibers linking the same areas in opposite hemispheres (e. g. corpus callosum) Projection fibers link the cerebral cortex to the diencephalon, brain stem, cerebellum and spinal cord. Ascending - impulses travel to the brain (sensory) Descending - impulses travel to the muscles (motor) Apple (right visual hemifield) represented in left cortex. Patient can report that they can see apple. Pencil (left visual hemifield) represented in right cortex. Patient cannot report that they see a pencil. Patient can point to or pick up a pencil to indicate what they saw. Contains cranial nerves: cerebellum function = coordination of movements. It receives input from 11 of 12 cranial nerves, and it has sets of nuclei that control the. These survival systems include the regulation of breathing, swallowing, balance, autonomic regulation, and visual and auditory reflexes.
