PSYC326_6

PSYC326_6 - PSYC 326 - NOTE Chapter 3. Structure of the...

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PSYC 326 - NOTE Chapter 3. Structure of the Nervous System BOX Ryan B., seizures, medication no longer working well, focal-seizure disorder, left medial temporal lobe, awake during surgery, stimulation used to determine areas safe to remove, stimulation disrupts normal functioning (e.g., look to see if stimulation interferes with language), removed bad tissue, survived with smaller doses of medication to control Basic Features of the Nervous System descriptive terms used for anatomy e.g., cortex = bark neuraxis origin for using directional terms anterior posterior rostral caudal dorsal ventral superior inferior lateral medial ipsilateral contralateral sections cross sections aka frontal sections transverse horizontal sections parallel to the ground sagittal sections midsaggital plane An Overview central nervous system CNS brain constantly uses about 20% of cardiac output a 1 sec interruption uses up much of the dissolved oxygen a 6 sec interruption causes unconsciousness a few minute interruption causes permanent damage peripheral nervous system PNS Meninges meninges dura mater arachnoid membrane arachnoid trabeculae spider track pia mater subarachnoid space cerebrospinal fluid CSF The Ventricular System and Production of CSF brain is about 1400 g removed, about 80 g floating ventricles little bellies lateral ventricle third ventricle massa intermedia cerebral aqueduct fourth ventricle choroid plexus about 125 ml of CSF
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PSYC326_6 - PSYC 326 - NOTE Chapter 3. Structure of the...

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