PSYCH 2004 Lecture 5

PSYCH 2004 Lecture 5 - I. Organization of the Nervous...

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Unformatted text preview: I. Organization of the Nervous System A. Peripheral 1. Somatic 2. Autonomic a. Sympathetic b. Parasympathetic B. Central 1. Spinal Cord 2. Brain a. Hindbrain & Midbrain b. Forebrain i. subcortical structures ii. 4 lobes of the cerebral cortex iii. 4 points/themes about the cerebral cortex Questions about missing class, athletics, disability accomodations, etc see or email PHIL LEHMAN Questions about lecture content, preparing for exam see or email ME Serotonin (usually inhib.)--Sleep regulation, appetite, anxiety, and depression--Many current antidepressants affect serotonin Dopamine (excit. or inhib., depending on location)--Emotions, pleasure, thought, movement --Also involved in schizophrenia (too much DA), Parkinsons (too little DA), and drug abuse Norephinephrine (excit. or inhib.)--Emotional arousal, fear, hunger Acetylcholine (excit. or inhib.)--Memory and learning, contraction of muscles--Alzheimers disease involves insufficient production of acetylcholine GABA (inhib.)--Very common in brain--Regulation of anxiety; alcohol and valium affect GABA receptors Endorphins (inhib.)--Block pain (endogenous morphine), elevate mood Peripheral Nervous System Central Nervous...
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PSYCH 2004 Lecture 5 - I. Organization of the Nervous...

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