pysch chapter 4 consciousness

Periods of REM sleep alternate with periods of non-REM sleep in a cycle that recurs about every ________ minutes or so.

90 minutes

Sleep spindles appear during ________ sleep.

N2 (R&K Stage 2)

Which of the following situations best demonstrates waking consciousness?

Orlando carefully calculates his taxes two weeks before taxes are due.

This stage of sleep is indicated by the predominance of delta waves, and the body is at its lowest level of functioning. Also, sleep walking and sleep talking can occur in this stage.

The correct answer is N3 (Stages 3 and 4 with the R & K terminology). In this stage sleep walking and sleep talking can occur as a sleep disorder, delta waves are the dominate brain activity and the body is at its lowest level of functioning.

People in N3 (R&K Stages 3 and 4) sleep ________.

are hard to wake up

Consciousness is the

awareness of ourselves and the environment

You are watching sleep researchers monitor the sleep of a normal adult. The participant is hooked up to an EEG. What brain waves would you observe as the person becomes drowsy and then enters the first stage of sleep?

beta eventually replaced by alpha

Interpretation of the ________ content of a dream is expected to reveal the ________ content.

manifest; latent

What term do sleep researchers use to designate the first three stages of sleep?

non-REM (NREM or N) sleep

The state we are in when we are awake and reasonably alert is called

waking conscious