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Biopsychology > Sleep > Flashcards

Sleep Flashcards

1
Q
  • a period of rest
  • keeps us healthy and functioning well and lets your body and brain repair, restore, and reenergize
  • Important for restoring physical and mental health. It refreshes the mind and repairs the body.
A

sleep

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2
Q

Records Brain Waves/ Brain Activity

A

Electrocephalogram (EEG)

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3
Q

monitors eye movement

A

Electro-oculogram (EOG)

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4
Q

monitors muscle activity

A

Neck Electromyogram

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5
Q

the EEG of a normal person shows two basic patterns of activity: alpha activity and beta activity

A

wakefulness

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6
Q
  • consists of regular, consist of wave frequency of 8-12 Hz
  • The brain produces this activity when a person is resting quietly, not particularly aroused or excited and not engaged in strenuous mental activity
A

alpha activity

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7
Q
  • consists of irregular, mostly wave frequency of 13–30 Hz
  • shows desynchrony
  • Desynchronized activity occurs when a person is alert and attentive to events in the environment or is thinking actively
A

beta activity

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8
Q
  • Sleep is the changeover from wakefulness to sleep
  • marked by the presence of some theta activity
A

stage 1

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9
Q

During this short period (lasting several minutes) of relatively light sleep, your heartbeat, breathing, and eye movements slow, and your muscles relax with occasional twitches. Your brain waves begin to slow from their daytime wakefulness patterns

A

stage 1

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10
Q
  • Occurs 10 minutes later after stage 1.
  • Contains periods of theta activity, sleep spindles and K complexes.
A

stage 2

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11
Q
  • short bursts of waves of 12–14 Hz that occur between two and five times a minute during sleep
  • they appear to play a role in consolidation of memories
A

sleep spindles

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12
Q

sudden, sharp waveforms, associated temporary inhibition of neuronal firing

A

k complexes

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13
Q
  • Referred to as Slow- wave sleep
  • signaled by the occurrence of high-amplitude delta activity
A

stage 3 & 4

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14
Q

contains 20–50 percent delta activity

A

stage 3

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15
Q

contains more than 50 percent of delta activity

A

stage 4

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16
Q

period of inhibition during which neurons in the neocortex are absolutely silent

A

down state

17
Q

period of excitation during which these neurons briefly fire at a high rate

A

up state

18
Q
  • Characterized by the rapid movements of eyes.
  • EMG is Silent meaning there is a temporary muscle paralysis during this stage.
  • Dreaming
A

REM sleep

19
Q

REM sleep

A
  • EEG desynchrony (rapid, irregular waves)
  • lack of muscle tonus
  • rapid eye movements
  • penile erection or vaginal secretion
  • dreams
20
Q

slow-wave sleep

A
  • EEG synchrony (slow waves)
  • moderate muscle tonus
  • slow or absent eye movements
  • lack of genital activity
21
Q

are associated with dreams containing sexual content

A

penile and clitoral erection

22
Q

being awake disrupts the homeostasis (internal physiological stability) of the body in some way and sleep is required to restore it

A

recuperation theory

23
Q
  • Also called as evolutionary theory
  • This suggests that inactivity at night is an adaptation that served a survival function by keeping organisms out of harm’s way at times when they would be particularly vulnerable
A

adaptation theory

24
Q

a study by Horne regarding sleep deprivation

A
  • Sleep Deprivation doesn’t interfere peoples ability to perform Physical exercise.
  • Sleep Deprivation affect peoples cognitive abilities. Human subject are having hallucinations and had have trouble in concentrations especially when performing mental task
25
Q

sleep deprivation suggests that..

A

drowsiness becomes worse
every day when a person doesn’t get enough sleep

26
Q
  • Daily rhythms in behavior and physiological processes are found
    throughout the plant and animal world.
  • is in response to illumination
A

circadian rhythm

27
Q

drugs that affect sleep

A
  • hypnotic drugs
  • anti-hypnotic drugs
28
Q

hypnotic drugs

A

Benzodiazepines

29
Q
  • Most commonly prescribed hypnotic medications.
  • They increase drowsiness, decrease the time it takes to fall asleep, reduce the number of awakenings during a night’s sleep, and increase total sleep time
A

benzodiazepines

30
Q

anti-hypnotic drug

A

Cocaine derived/ Amphetamine Derived Stimulants

31
Q
  • Promote wakefulness
  • Increases brain activity
  • Side effects includes loss of appetite, anxiety, tremor, addiction, and disturbance of normal sleep patterns
A

Cocaine derived/ Amphetamine Derived Stimulants

Biopsychology (3 decks)

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