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Neurotransmitters - • the mesostrial system(motor control...

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Neurotransmitters Glutamate - Glutamate is the most common excitatory transmitter • basic process of learning and memory formation GABA - GABA is the primary inhibitory transmitter in the brain • Tranquilizers (e.g., Valium) and alcohol work by simulating GABA Acetylcholine - The first neurotransmitter to be identified (in 1921) - Motor control • Nicotinic receptors – found on skeletal muscles - Learning and memory functions • Alzheimer’s disease Norepinephrine - Produced in brain stem • Distribution of pathways extends broadly throughout the brain • Implicated with many processes including mood, overall arousal, sexual behavior, and heightened sensitivity Dopamine
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Unformatted text preview: • the mesostrial system (motor control; affected in Parkinson’s disease) • the mesolimbocorticol system (reward)-Mesolimbocortical system • Reward and motivation • Serotonin-Control of sleep states, mood, anxiety, and many other functions-Drugs that increase 5-HT activity are effective antidepressants (e.g., SSRIs like Prozac)-LSD, PCP, psilocybin, mescaline, MDMA all mimic 5HT • Endorphins-Pain reduction-Reward • (mimic opiate drugs such as morphine and OxyContin) • Oxytocin-social bounding &… love?-released during reproductive activities-affect emotions...
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