5.1 Sleeping and Dreaming Revitalize Us for Action Flashcards Preview

AP Psychology > 5.1 Sleeping and Dreaming Revitalize Us for Action > Flashcards

Flashcards in 5.1 Sleeping and Dreaming Revitalize Us for Action Deck (28):
1

Consciousness

- our subjective awareness of ourselves and our environment

2

dualism

- the idea that the mind, a nonmaterial entity, is separate from (although connected to) the physical body

3

biological rhythems

- regularly occurring cycles of behaviors

4

circadian rhythm

- (from the Latin circa, meaning “about" or “approximately," and dian, meaning “daily") that guides the daily waking and sleeping cycle in many animals

5

seasonal affective disorder (SAD)

- people are more likely to experience depression during the dark winter months than during the lighter summer months

6

suprachiasmatic nucleus

- the body’s primary circadian “pacemaker"

7

melatonin

- a powerful hormone that facilitates the onset of sleep

8

Rapid eye movement (REM) sleep

- a sleep stage characterized by the presence of quick fast eye movements and dreaming

9

non-rapid eye movement (nonREM) sleep

a deep sleep, characterized by very slow brain waves, that is further subdivided into three stages: N1, N2, and N3

10

N1 sleep stage

- some muscle tone is lost, as well as most awareness of the environment

11

N2 sleep stage

- muscular activity is further decreased and conscious awareness of the environment is lost

12

sleep spindles

- theta waves interspersed with bursts of rapid brain activity

13

N3 sleep stage

- also known as slow wave sleep, is the deepest level of sleep, characterized by an increased proportion of very slow delta waves

14

insomnia

- persistent difficulty falling or staying asleep

15

sleep apnea

- a sleep disorder characterized by pauses in breathing that last at least 10 seconds during sleep

16

narcolepsy

- a disorder characterized by extreme daytime sleepiness with frequent episodes of “nodding off"

17

cataplexy

- the individual loses muscle tone, resulting in a partial or complete collapse

18

somnamulism(sleepwalking)

- the person leaves the bed and moves around while still asleep

19

sleep terrors

- a disruptive sleep disorder, most frequently experienced in childhood, that may involve loud screams and intense panic

20

bruxism

- the sufferer grinds his teeth during sleep

21

restless legs syndrome

- the sufferer reports an itching, burning, or otherwise uncomfortable feeling in his legs, usually exacerbated when resting or asleep

22

periodic limb movement disorder

- involves sudden involuntary movement of limbs

23

REM sleep behavior disorder

- a condition in which people (usually middle-aged or older men) engage in vigorous and bizarre physical activities during REM sleep in response to intense, violent dreams

24

dreams

- the succession of images, thoughts, sounds, and emotions that passes through our minds while sleeping

25

wish fulfillment

- the idea that dreaming allows us to act out the desires that we must repress during the day

26

manifest content

- a dreams literal actions

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latent content

- the hidden psychological meaning of the dream

28

activation-synthesis theory

- proposes still another explanation for dreaming—namely, that dreams are our brain’s interpretation of the random firing of neurons in the brain stem

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