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How can concentration meditation help an individual?


A) It can lead to an increase in impulsive responding.
B) It can lead to an increase in divided attention.
C) It can lead to an increase in sustained attention.
D) It can lead to an increase in constant attention shifts.

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________ is defined as a state that occurs when a person walks around, speaks incoherently, and ultimately awakens, terrified, from sleep.


A) Minimal consciousness
B) Night terrors
C) Cataplexy
D) Central apnea

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Which of the following can be considered a key aspect of consciousness?


A) Optimism
B) Intuition
C) Knowledge
D) Attention

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In humans, a surge of melatonin release occurs during the ________.


A) evening
B) night
C) morning
D) noon

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If a drug slows down central nervous system activity while increasing the activity of the main inhibitory neurotransmitter in the brain, then it is most likely to be a(n) ________.


A) vasodilator
B) depressant
C) opioid
D) corticosteroid

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Which of the following statements is true of REM?


A) It is characterized by delta waves on EEG.
B) It is characterized by total lack of muscular activity.
C) It is a sound and dreamless sleep.
D) It is characterized by active dreaming.

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________ is defined as a sleeping disorder characterized by brief pauses in breath­ing during sleep.


A) Sleep apnea
B) Insomnia
C) Cataplexy
D) Sleepwalking

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By age 1, the REM sleep drops to about ________.


A) 40 percent
B) 50 percent
C) 33 percent
D) 28 percent

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Which of the following statements best describes gamma-aminobutyric acid (GABA) ?


A) It is a brain component that is central to memory formation and learning.
B) It is an area of the brain that controls cognitive behaviors.
C) It is a neurotransmitter that decreases central nervous system activity.
D) It is a neurotransmitter that increases central nervous system activity.

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What does the term preconscious refer to?


A) Preexisting material immediately realizable to awareness
B) Potentially accessible material currently unavailable to awareness
C) Intentionally repressed material that takes the form of unconscious
D) Repressed unconscious material that cannot be consciously recollected

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John is a heavy binge drinker who has trouble with planning, working memory, and abstract thinking. Scanning of John's brain would reveal that he has a damaged ________.


A) parietal lobe
B) occipital lobe
C) frontal lobe
D) temporal lobe

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_____ is defined as a state of mind that occurs in compliance with instructions and is character­ized by focused attention, suggestibility, absorption, lack of voluntary control over behavior, and suspension of critical faculties of mind.


A) Hypnosis
B) Minimal consciousness
C) Alertness
D) Meditation

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What did researchers' study of sustained attention using the Continuous Performance Test (CPT) reveal?


A) Most people cannot perform well on tasks requiring sustained attention for more than 15 minutes.
B) Most people cannot perform well on tasks requiring sustained attention for more than 5 minutes.
C) The accuracy in detecting targets declines considerably after 15 minutes.
D) The accuracy in detecting targets increases considerably after 15 minutes.

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Which of the following is a marker of Stage 2 sleep?


A) Transient activations
B) Small amplitude delta frequency waves
C) Vertex waves
D) K-complexes

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Which of the following is a powerful stimulant that is more difficult to quit and also reduces blood supply to skin tissue?


A) Caffeine
B) Nicotine
C) Endorphin
D) Heroin

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________ is defined as a heightened awareness of the present moment, whether of events in one's environment or in one's own mind.


A) Hypersomnia
B) Mindfulness
C) Selective attention
D) Hypnosis

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Which of the following best describes the circadian rhythm?


A) Variations in physiological processes that exclude the sleep-wake cycle
B) Variations in physiological processes that take more than once a year to complete one cycle
C) Variations in physiological processes that cycle within approximately a 24-hour period
D) Variations in physiological processes that cycle longer than 48 hours

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Which psychologist coined the term preconscious?


A) Piaget
B) Freud
C) Erikson
D) Skinner

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Chen is attending a lecture where his professor requests all students to give their undivided attention to an important concept he intends to explain. The professor is actually interested in the students'________ attention.


A) sustained
B) divided
C) selective
D) alternating

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Which of the following statements is true according to Cleeremans's (2011) radical plasticity theory?


A) It explains consciousness as a skill the brain acquires, not as an inherent property of the brain or a skill controlled by a particular brain region.
B) It states that consciousness is a place where we temporarily attend to information at hand or deemed important.
C) It advocates that conscious awareness occurs when neurons from many distinct brain regions work distinctively.
D) It explains consciousness as a place where the spotlight of attention lands on the contents of one's mind.

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