Discuss the biological effects of the following types of drugs: hallucinogens, stimulants, and ...

Answer to q. 1

The various biological effects are summarized in Table 42-4 of the textbook.

Answer to q. 2

Both types of sleep are changes in electrical activity of the brain as well in physiological
functions that occur during sleep. REM sleep is characterized by rapid movement of the eyes
and desynchronized brain waves; non-REM sleep is characterized by theta and delta waves,
and these eye movements are lacking. REM sleep is accompanied by increases in body
movement, heart rate, breathing, blood pressure, metabolic rate, and body temperature; but in
non-REM sleep all these processes decrease.

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