brain2.W09 - Recent development in evolution Recent...

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Efferent vs. afferent Efferent: from CNS to PNS Afferent: from PNS to CNS White matter vs. gray matter white matter: bundles of axons gray matter: Central vs. peripheral Central: brain and spinal cord Periph: nerves autonomic (viscera) somatic (everything else)
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Spinal cord: origin of spinal nerves Subcortical structures: Brain stem: origin of cranial nerves Reticular formation arousal Pons arousal Thalamus: sensory systems and attention Hypothalamus: regulation respiration heart rate emotional regulation gastrointestinal function
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Cortex Aka: cerebral cortex neocortex cerebrum (NOT cerebellum)
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Unformatted text preview: Recent development in evolution Recent development In evolution Convoluted Two hemispheres Connected by Corpus callosum Four lobes per hemisphere Frontal lobe Parietal lobe Occipital lobe Temporal lobe Landmarks: fissure, sulcus: valley in cortex gyrus: a hill in the cortex Central sulcus – separates frontal and parietal lobes Longitudinal fissure – separates left and right hemispheres Psychosurgery • Egas Moniz (1935) • prefrontal lobotomy • 20,000 performed (approx) by 1951 BEFORE AFTER Moniz won the Nobel Prize for Medicine in 1949...
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brain2.W09 - Recent development in evolution Recent...

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