UT Arlington PSYC 3322 - CH 2 notes (3 pages)

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CH 2 notes



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CH 2 notes

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Pages:
3
School:
University of Texas at Arlington
Course:
Psyc 3322 - Brain and Behavior

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ted com video the neuron that shaped Chapter 2 Brain and spinal cord CNS Neurons and nerve processes outside CNS PNS Sensory Neurons Motor Neurons Sensory Motor connections to internal body organs Neural Information Flow is important Sensory incoming Motor outgoing Anatomical divisions of the Nervous System chart Brain produces behavior main purpose Brain creates the sensory reality receives and integrates it then creates something about it Brain has ability to adapt fast Learning is 1 4 of the process 3 part Nervous System Central Brain spinal cord Somatic transmits sensation produces movement Autonomic Balances internal organs Finding your way around the brain Dorsal atop within the brain Medial brains midline towards the sides are Laterals Anterior is in front Posterior is at the back Ventral toward the bottom of the brain Horizontal Plane Sagittal Plane Coronal Plane The Brains Surface Features Meninges 3 layers of protective tissue Dura mater hard mother Arachnoid layer spider webbie Pia mater soft mother still tough Then cerebrum spinal fluid helps brain from CNS is also protected by the 3 layers Cerebrospinal Fluis CSF Meningitis Cerebral Cortex 4 Lobes Surface Features Cerebrum Cerebellum latin for little brain sensory Cerebral Cortex Brains thin outer bark layer Frontal View Bumps in the brain s folded surface are Gyri and cracks are sulci Cell Body know this Surface Features of the Brain Gyrus gyri Sulcus Fissure Brainstem Important for life sustainability Injury Important for life sustainability Brain is highly vascularize Fourth Ventricles 2 lateral left right Third Ventricle Fourth Ventricle Internal Features White Matter made of axons fibers Gray Matter cell body Corpus callosum Lateral Sulcus Temporal lobe organ layer third ventricle 4th Brainstem cerebellum cortex Lateral ventricles Microscopic Inspection Cells Fibers 2 main type of cells Neurons Glial cells Neurons Cell Body axon end terminals Nucleus nuclei Nerve Tract Evolutionary History



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