Chap 6 Flashcards

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1
Q

What is the condition of a split brain patient?

A

Their corpus callosum is severed

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2
Q

What does Dennett argue consciousness is?

A

A bag of tricks, a result of several processes in the brain.

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3
Q

What is conscious content?

A

Subjective internal and external world

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4
Q

What are states of consciousness?

A

Different levels of arousal and attention.

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5
Q

What is attention?

A

The process of selecting information to focus on

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6
Q

What is the difference between passive and active attention?

A

Passive attention is dictated by the stimulus, and active attention is dictated by a top down command

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7
Q

What is selective attention?

A

It is the attention to one source while ignoring others

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8
Q

What is stimulus salience?

A

The ability for a stimulus to capture attention

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9
Q

What is attentional capture?

A

When a stimulus grabs ones attention

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10
Q

Can learning and experience help direct attention?

A

YUPPERS

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11
Q

What is dichotic listening?

A

different sounds played in different ears to measure attention

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12
Q

What is automaticity?

A

Fast and effortless processing of information

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13
Q

How do we know if a process is automatic?

A

It doesn’t impair another task.

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14
Q

What are the 5 stages of sleep/wakefulness?

A
  1. Relaxed wakefulness (alpha waves)
  2. Alert Wakefulness (beta waves)
  3. Stage 1 sleep (Theta waves)
  4. Stage 2 sleep (K complexes and sleep spindles)
  5. Slow wave sleep (delta waves)
  6. REM sleep (theta waves and beta waves)
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15
Q

What is conditioned insomnia?

A

The idea of falling asleep is associated with not being able to sleep and causes anxiety.

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16
Q

What is idiopathic insomnia?

A

Child onset insomnia, which is a CNS dysfunction

17
Q

What are the two major categories of dysomnias?

A

Insomnia and hypersomnia (sleepiness)

18
Q

What is a major cause of hypersomnia?

A

Sleep apnea

19
Q

What is narcolepsy and what is the name of the biggest symptom?

A

Narcolepsy is when one is afflicted with sudden urges to sleep, or has cataplexy attacks (extreme muscle weakness)

20
Q

What are the two types of narcoleptic hallucinations?

A

Hypnagogic (before sleep), or hypnopompic (before waking)

21
Q

What is a circadian rhythm?

A

It is a daily biological clock.

22
Q

What are zeitgebers?

A

time cues for biological clock

23
Q

What is located above the optic chiasm and is responsible for the setting of the circadian rhythm?

A

The suprachiasmatic nucleus

24
Q

What are the three neurotransmitter effects of alcohol?

A

It inhibits glutamate (excitatory), and increases GABA (relaxation), and increases dopamine effect

25
Q

What is the second group of depressants (not alcohol)? Which one is more dangerous (tolerance rises but not lethal dose)

A

Barbiturates (more dangerous) and benzodiazepine

26
Q

What is the effect of coffee on the brain?

A

It inhibits adenosine (inhibitory)

27
Q

What does nicotine do in the brain?

A

Stimulates acetylcholine, increases dopamine, and may increase cognition areas

28
Q

What do cocaine and amphetamines do?

A

They prevent the reuptake of dopamine, and amphetamines also stimulate release.

29
Q
A