PSYC-375 Lecture Notes - Lecture 2: Dopamine Transporter, Serotonin Transporter, Norepinephrine Transporter
11 Mar 2019
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Module 2: illegal drugs in canada: how they act on the brain and their impact on society (ch 4-7) Cocaine and its mechanism of action in the brain: cocaine has different affinities for the above three types of transporters. Opiates and their mechanism of action in the brain: overdose on cocaine or amphetamines can cause death via heart attacks and strokes. Opiates, on the other hand, are sedatives that work in a much different way, and overdose can result in respiratory depression, causing death: opioids are strong analgesic drugs, meaning that they relieve pain. It can also originate internally from receptors and may be due to cognitive or emotional factors: there are many types of analgesic drugs, such as non-steroidal anti-inflammatory drugs (nsaids), ketamine, and antidepressants. Natural exogenous opioids can be isolated from the opium poppy (e. g. , morphine and codeine).
