Bio Psy Ch. 8

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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


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