Bio Psy Ch. 8
The activation-synthesis theory of dreams argues that dreams are the result of random brain activity.
True
Some drugs used to treat allergies may produce drowsiness if they ____.
block histamine
Researchers have demonstrated that the expression of the SCN genes can be changed through ____.
exposure of the eyes to light
Based on research, it has been determined that the human circadian rhythm appears to be ____.
just over 24 hours
Which of the following would most likely help someone adjust to jet lag?
keeping the room light when you need to stay awake
A human's body temperature over the course of 24 hours is usually highest ____.
mid to late afternoon
People with REM behavior disorder ____.
move vigorously during REM, apparently acting out their dreams
The role of the reticular formation in arousal is that it is ____.
only one of several systems involved in arousal
The sequence of the bursts of neural activity during REM sleep is ____
pons, lateral geniculate nucleus, and occipital cortex
After damage to the suprachiasmatic nucleus, the body ____.
still has rhythms, but they are less consistent
When studying disruptions to the biological clock in animals, what did Curt Richter find?
The biological clock is insensitive to most forms of interference.
The relationship between sleep stage and dreaming is that dreams ____.
are more frequent and more vivid in REM sleep
A "zeitgeber" is a(n) ____.
environmental cue that resets a biological clock
During REM sleep, the EEG shows ____.
irregular, low-voltage fast waves
A small branch of the optic nerve, known as the ____ path extends directly from the retina to the SCN.
retinohypothalamic
A decrease in the amount of sleep most likely to affect the performance of migratory bird during ____.
seasons other than migration
Typically, a person who falls asleep enters ____.
stage 1 and slowly progresses through stages 2, 3 and 4 in order
Sleep spindles and K-complexes are most characteristic of which sleep stage?
stage 2
Someone in a(n) ____ state alternates between periods of sleep and moderate arousal, although even during the more aroused state, the person shows no awareness of surroundings and no purposeful behavior.
vegetative
