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Psychology > Unit 3a > Flashcards

Unit 3a Flashcards

1
Q

Biopsychosocial believes we do the things we do because of

A

Our bodies
Our minds or thinking
The culture that we live in.

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2
Q

Neurons

A

nerve cells

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3
Q

Sensory neurons

A

Take messages from the body, up the spinal cord, to the brain

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4
Q

Motor neurons

A

Take messages from the brain to the body

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5
Q

Interneurons

A

Are neurons within the brain that “talk” to one another while thinking or processing information.

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6
Q

Dendrites

A

Branching extensions that receive messages and conduct impulses towards the cells body

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7
Q

Axons

A

Extension of a neuron through which messages pass to other neurons or muscle glands

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8
Q

Myelin sheath

A

Fatty tissue around many fibers of the neuron, enables greater transmission speed

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9
Q

The speed messages travel along neurons

A

between 2 and 200 mph

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10
Q

Action potential

A

A brief electrical charge that travels down the axon

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11
Q

Synapse

A

Gap between axon and dendrite

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12
Q

Neurotransmitters

A

Chemical messengers that take the impulse of one neuron across the synaptic gap

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13
Q

Reuptake

A

A neurotransmitter’s reabsorption by the sending neruon

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14
Q

Antagonists

A

block neural transmission

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15
Q

Central nervous system

A

The brain and spinal chord

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16
Q

Peripheral nervous system

A

Sensory and motor neurons that connect the central nervous system

17
Q

Somatic nervous system

A

Part of the PNS that controls the body’s skeletal muscles

18
Q

Autonomic nervous system

A

Part of the PNS that controls the glands and muscles of internal organs

19
Q

Sympathetic nervous system

A

Part of ANS that arouses the body, making energy in stressful situations

20
Q

Parasympathetic nervous system

A

Part of ANS that calms the body

21
Q

Endocrine system

A

Set of glands that secrete hormones

22
Q

Hormones

A

Chemical messengers that effect our interest in sex, food, and aggression

23
Q

Adrenal gland

A

Secrete epinephrine

Increases the pulse, blood pressure, and blood sugar

24
Q

Epinephrine

A

Adrenaline

25
Q

Pituitary gland

A

Gland that regulates growth and controls other endocrine glands

26
Q

Master Gland

A

Pituitary gland

27
Q

Endorphins

A

Natural neurotransmitters linked with pain control and pleasure

28
Q

Threshold

A

Level of stimulation required to trigger a neural impulse

29
Q

Acetycholine

A

Enables muscle action, learning, and memory

30
Q

Dopamine

A

Influences movement, learning, attention, and emotion

31
Q

Seratonin

A

Affects mood, hunger, sleep, and arousal

32
Q

Norepinephrine

A

Helps control alertness and arousal

33
Q

GABA

A

A major inhibitory neurotransmitter

34
Q

Glutamate

A

Major excitatory neurotransmitter; involved in memory

35
Q

Nerve

A

Bundled axons that connect the CNS with muscles, glands, and sense organs

Psychology (18 decks)

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