Psychology Chapter 4 Test

Why is REM sleep often referred to as paradoxical sleep?

Major muscle systems are paralyzed, yet there is high brain activity.

Which psychological perspective might advance the argument that our sleep patterns evolved as an adaptive response to predatory risks, which are higher during periods of darkness?

evolutionary

Which of the following statements about sleep deprivation is false?

Sleep deprivation has been found to lead to ADHD.

After Omar falls asleep he feels a sense of panic, screams, and attempts to escape from his room. Which parasomnia does Omar have?

night terrors

What stage of sleep are you most likely experiencing if an EEG of your brain activity showed sleep spindles and K-complexes?

2

What occurs during stage 1 sleep?

Both our respiration and heartbeat slow down.

Which theory of dreams suggested that they do not, in fact, have any meaning at all but rather are simply the brain's attempt to make sense of random neural firing that occurs while we sleep?

The activation-synthesis model

Most people are awake during the day and asleep at night because their ________ cycles are aligned with the outside world.

circadian

The awareness of external and internal stimuli can be described as ________________________.

consciousness

Which term describes the tendency to maintain a balance, or optimal level, within a biological system?

homeostasis

Efrain lives in New York. He takes an overnight flight to Mexico to visit with family for a month. For a few days, he experiences exhaustion, irritability, and trouble sleeping. Efrain is likely experiencing ______________.

jet lag