Exam 3 brain and behavior questions 31 - 45

Exam 3 brain and behavior questions 31 - 45 - Brain and...

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Brain and Behavior Exam 3 review 31. - unipolar depression often comes and goes, or may occur suddenly and persist for weeks/months - bipolar depression; manic depression depression alternating with periods of excessive, inappropriate euphoria or mania - 1. Different effects of drugs 2. different onset ages of disease 3. different gender ratios - lithium treats bipolar - most effective in treating manic - once lithium removed or limited, mania decreased - then depression gets better - lagging effect - brain heals itself - might stablize seratonin receptors - decreases turnover - unipolar depression - monoamine oxidase inhibitors - originally given to TB patients to improve mood - hypertension occurs - works in body and brain - NE agonist - activates sympathetic NS - chews up NT destroys NE and seratonin - more NE and seratonin released and can bind to receptors - tricyclic antidepressants
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- NT taken back up (reuptake) - block reuptake sites stay in synapse can bind to receptor - SSRI - only affects seratonin - prozac - doesn’t cause hypertension (NE does sympathetic) - problems with gastrointestinal function 32. - NE and seratonin are usually destroyed by enzyme MAO but MAOIs inhibit this
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Exam 3 brain and behavior questions 31 - 45 - Brain and...

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