Pitt NUR 0012 - Ch. 12 The Central Nervous System Continued: The Cerebrum (2 pages)

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Ch. 12 The Central Nervous System Continued: The Cerebrum



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Ch. 12 The Central Nervous System Continued: The Cerebrum

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Lecture number:
31
Pages:
2
Type:
Lecture Note
School:
University of Pittsburgh
Course:
Nur 0012 - Anatomy and Physiology I
Anatomy and Physiology I Documents
Unformatted text preview:

NUR 0012 Lecture 31 Ch 12 The Central Nervous System Continued The cerebrum Outline of Last Lecture I Ch 12 the central nervous system A 3 major brain divisions B CNS and PNS develop from in folding of surface ectoderm in early embryo C The confines of the skull are the driving force of the shape of the human brain D 4 ventricles deep inside brain E The cerebrum Outline of Current Lecture I Ch 12 the central nervous system cont the cerebrum A Cerebrum B Lobes C Motor areas D Sensory and association areas Current Lecture I Ch 12 the central nervous system cont the cerebrum A Generalizations 1 Brain size related to body size larger brains don t necessarily mean smarter 2 Basal nuclei gray matter deep inside cerebrum 3 White matter myelinated axons axons form tracts in CNS 4 Gyri numerous folds which increase surface area 5 Sulci grooves between gyri B Lobes lie under bones of same name separated by major sulci These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute a Frontal b Parietal c Temporal d Occipital e Insula C Motor areas primarily frontal lobes a Primary motor area on precentral gyri of frontal lobes b Pyramidal neurons c Motor homunculus d Premotor cortex learned motor skills of a repetitive or patterned nature e Broca s area complex movements involved in speech f Frontal eye field extrinsic eye muscles D Sensory and association areas a Primary somatosensory cortex on postcentral gyrus b Primary association cortex integrates sensory input to produce understanding c Primary visual cortex largest of all cortical sensory areas 1 Visual association area uses past visual experiences to interpret visual stimuli d Primary auditory cortex relay info about pitch rhythm loudness 1 Auditory association area Wernicke s area part of this area interprets perception of sound stimulus as speech music etc


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