lecture 9 hw

Which of the following theories states that dreaming is really just thinking under unusual circumstances?

Clinico-Anatomical Hypothesis

Which of the following is NOT true about sleepwalking?

It is dangerous to awaken a sleepwalker

What happens if people are put in an environment that is constantly light?

They complain that they cannot sleep

One explanation for narcolepsy in humans is:

a loss of orexin-containing neurons in the hypothalamus.

The relationship between sleep stage and dreaming is that dreams:

are more frequent and more vivid in REM sleep

Stimulation of the pontomesencephalon:

awakens a sleeping individual

Some drugs used to treat allergies may produce drowsiness if they:

block histomine

Caffeine increases arousal by:

inhibiting adenosine.

Retinal ganglion cells that provide input to the suprachiasmatic nucleus produce their own photopigment called

melanopsin

A small branch of the optic nerve which extends directly from the retinal to the suprachiasmatic nucleus in the hypothalamus is called the:

retinohypothalamic path

The surest way to disrupt the biological clock is to damage the:

suprachiasmatic nucleus

What is one of the contradictions in "paradoxical" sleep?

the brain is very active, while many of the muscles are deeply relaxed

According to the activation-synthesis hypothesis, what do dreams reflect?

the brain's attempt to make sense of spontaneous neural activity

A recent hypothesis proposed that the role of REM is:

to shake the eyeballs back and forth in order to get sufficient oxygen to the corneas of the eyes

The suprachiasmatic nucleus produces circadian rhythms through the action of two genes which produce proteins that are present in:

wrong answer: constant concentrations through the day and night