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Psychology > Ch. 3 Study Guide > Flashcards

Ch. 3 Study Guide Flashcards

1
Q

A decrease in acetylcholine- linked to what disease?

A

Alzheimer’s

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2
Q

Sympathetic vs parasympathetic

A

Sympathetic division is activated when a person faces a stressful situation.
-increases heart rate, blood flow, dilates pupils, slows digestion, or shuts down processes that are not necessary.

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3
Q

Reticular Activating System

A

Part of the brain that is involved in attention, sleep, and arousal.

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4
Q

Frontal lobe

A

Motor movement

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5
Q

Temporal lobes

A

Auditory processing

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6
Q

Occipital lobes

A

Visual stimuli is sent

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7
Q

Partial lobes

A

Registers senses

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8
Q

Corpus callosum

A

Connects 2 hemispheres

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9
Q

Acetylcholine

A

Learning and memory

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10
Q

Dopamine

A

Motor behavior

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11
Q

Serotonin

A

Emotional arousal and sleep

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12
Q

Norepinephrine

A

Prepares body for action

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13
Q

Endorphins

A

Natural pain reliever

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14
Q

Broca’s area

A

Speech production

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15
Q

Wernicks area

A

Speech comprehension

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16
Q

Cerebellum

A

(Little brain) balance

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17
Q

Dendrite

A

Receive info

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18
Q

Ions

A

Sodium, chloride, and potassio

19
Q

Myelin sheath

A

Insulation / prevents electrical shortage

20
Q

Cell body

A

(Soma) decision maker

21
Q

Axon

A

Carries signals

22
Q

Neuron at rest

A

-70 mv

23
Q

Neural threshold

A

-60 mv

24
Q

Axon terminals

A

Impulse changes from electrical to chemical

25
Q

Portion of brain hat controls heart rate

A

Medulla

26
Q

Limbic system

A

Necessary for survival of humans and other mammals

27
Q

Function of thalamus

A

Transmits sensory info to areas of brain that interpret and respond to info

28
Q

Endocrine system located in middle of brain

A

Pituitary gland

29
Q

What gland produces growth hormones

A

Pituitary gland

30
Q

Cause of hypothyroidism

A

Too little thyroxin

31
Q

Adrenal glands

A

Produce adrenaline and non adrenaline

32
Q

Glands that produce testosterone

A

Testes & ovaries

33
Q

Probs with steroids

A

Unfair advantage

34
Q

Genes

A

Basic building blocks of heredity

35
Q

Which chromosome pair determines the sex of child

A

23rd

36
Q

Down syndrome caused by what

A

When born w/o all 46 chromosomes

37
Q

Cretinism

A

Little thyroxin

38
Q

Deoxyribonucleic acid aka what

A

DNA

39
Q

Cross lateraliZation

A

Right hemisphere controls left side of body, left hemisphere controls right

40
Q

Left hemisphere

A

Logical skills, math, language, writing

41
Q

Right hemisphere

A

Creative skills, musical, artistic, spiritual, body control, awareness

42
Q

Dopamine

A

Bipolar

43
Q

Endorphins

A

Alzheimer’s

44
Q

Serotonin

A

OCD

Psychology (4 decks)

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