PSY 150: Chapter 3 & 13 (Test 5)

The awareness of internal and external stimuli defines

• consciousness.

• wakefulness.

• the unconscious.

• depression.

An electroencephalograph is a device that measures

• glucose metabolism in the brain.

• muscle tension in the body.

• electrical activity of the body.

• wind speed and direction.

The EEG pattern associated with normal, waking, alert states is

• gamma.

• beta.

• alpha.

• delta.

The delta-wave EEG pattern is associated with

• dreaming

• deep sleep

• a waking state

• none of these states.

The 24-hour biological cycles found in humans and many other species are known as ______ rhythms.

• circadian

• slow-wave

• rem

• subcortical

The day-night cycle resets the human biological clock when light causes receptors in the retina to direct input to the _______ of the ______.

• pineal gland; medulla

• pineal gland; hypothalamus

• suprachiasmatic nucleus; medulla

• suprachiasmatic nucleus; hypothalamus

Alexander is hooked up to an electroencephalograph (EEG) in a sleep lab. As the researcher watches the printout from the EEG, theta waves appear. Based on this information, the researcher can conclude that Alexander

• has just entered Stage 3 sleep.

• is currently in REM sleep.

• has just entered Stage 1 sleep.

• has bad credit.

Rebecca is hooked up to an electroencephalograph (EEG) in a sleep lab. As the researcher watches the printout from the EEG, delta waves appear. Based on this information, the researcher can conclude that Rebecca

• has just entered Stage 3 sleep.

• is still awake, but is relaxed and drowsy.

• is currently in REM sleep.

• is a talented juggler.

Sleep Stages 3 and 4 are referred to as

• low-amplitude sleep.

• high-amplitude sleep

• slow-wave sleep

• fast-wave sleep

The brain-wave pattern of a person in _______ sleep resembles the brain-wave pattern observed when the individual is awake and alert.

• Stage 1

• Stage 4

• REM

• NREM