PSY 1010 Lecture Notes - Lecture 4: Sensory System, Barbiturate, Cerebral Cortex
16 Sep 2016
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~ they can make it through out the brain. ~agonist- makes things happen and speeds up the process. ~ antagonist- prevents things from happening and blocks communication. Depressants: drugs such as alcohol, barbiturates and opiates that calm neural activity and slow the body functions. Disrupts memory and impairs growth of synaptic connections. Creates myopia: when you are focused on what is just around you and don"t think about the future. Depress the activities of central nervous system, reducing anxiety, but impairing memory and judgment. ~ includes opium and it derivative like codeine, morphine and heroin: addictive. ~ our body adapts to not having pain and this causes withdraws. ~ depress neural activity, temporarily lessening pain and anxiety. ~ includes caffeine, nicotine and the other more powerful amphetamines and cocaine. This excites neural activity and speeds up body functions. ~ dilation of pupils, increased heart rate, raises blood sugar and drops appetite.
