BIOL 1050 Lecture Notes - Lecture 3: Central Nervous System, Cerebral Hemisphere, Cerebral Cortex
3 Dec 2017
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Document Summary
Anatomy of the brain: divisions: cerebral cortex (outer region of cerebrum, forebrain: cerebrum, thalamus, hypothalamus, cerebral hemispheres, pituitary gland, midbrain. Interbrain (diencephalon: brain stem, hindbrain: pons, medulla oblongata, cerebellum, spinal cord. Animal brain comparisons: rat vs cat vs goat, the formation of gyri by convolution of the cerebral cortex increases with brain size. Function of the diencephalon (interbrain: thalamus: relays sensory impulses to cortex; relays impulses between cortex and lower motor systems, involved in memory. Wednesday, november 15, 2017: hypothalamus: integration of autonomic system; regulates body temperature, food intake, water balance, thirst, hormonal input (very important endocrine organ) Limbic system (functional system): includes cerebral and diencephalon structures; mediates emotional responses, memory processing. Limbic system: functional group of integrating centres in cerebral cortex, thalamus, hypothalamus (blanks, l-r: amygdala, hippocampus, good test questions, amygdala: related to fear-related behaviour, hippocampus: horseshoe structure. Function of the cerebellum: processes information from cerebral cortex, proprioceptors, visual, equilibrium pathways, responsible for proper balance and posture.
