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psychology approaches > biopsychology > Flashcards

biopsychology Flashcards

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1
Q

what is the nervous system

A

complex network of nerve cells that carry messages to and from the brain and spinal cord to different parts of the body

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2
Q

What is the nervous system controlled by

A

brain

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3
Q

what is the nervous system divided into

A

central nervous system and peripheral nervous system

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4
Q

how does the nervous system carry messages

A

nerve cells (neurons) which transmit nerve impulses in the form of electrical systems

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5
Q

what is the central nervous system split into

A

spinal cord and brain

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6
Q

what are the two main functions of the central nervous system

A

control of behaviour and regulation of the body’s physiological processes

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7
Q

what is the peripheral nervous system spilt into

A

somatic nervous system
autonomic nervous system

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8
Q

whats the autonomic nervous system split into

A

sympathetic nervous system
parasympathetic nervous system

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9
Q

what is the brain split into

A
  • frontal lobe
  • temporal lobe
  • parietal lobe
  • occipital lobe
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10
Q

what does the frontal lobe do

A

speech, thought and learning

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11
Q

what does the temporal lobe do

A

involved with hearing and memory

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12
Q

what does the parietal lobe do

A

process sensory information

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13
Q

what does the occipital lobe do

A

process visual information

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14
Q

what does the spinal cord do

A

relays information from the brain to the rest of the body and allows brain to co ordinate movement

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15
Q

what does the somatic nervous system do

A

transmits and receives messages from the senses and directs muscles to react and move

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16
Q

what does the autonomic nervous system do

A

controls movement of non skeletal muscles such as the heart - reactions are automatic

17
Q

what does the sympathetic nervous system do

A

activated in situations that require energy (flight or fight)

18
Q

what can the sympathetic nervous system cause

A

increase in heart rate and breathing
decrease digestion
blood flow is diverted to muscles
pupils dilate

19
Q

what does the parasympathetic nervous system do

A

activated when the body is trying to conserve energy and store resources (eg - rest and digest)

20
Q

what can the parasympathetic nervous system do

A

heart rate and breathing decreases
blood flow diverted back to digestive function

21
Q

what is the endocrine system

A

network of glands throughout the body that manufacture and secrete hormones

22
Q

what glands are in the endocrine system

A

pituitary gland, adrenal gland, reproductive organs

23
Q

what is the role of hormones

A

affect target cells
target cells respond to a particular hormone to stimulate a physiological reaction in that target cell
timing and the correct levels of hormone released are critical for normal functioning

24
Q

what controls the release of hormones from the pituitary gland

A

hypothalamus

25
Q

what is the master gland of the body

A

pituitary gland
this is because hormones released by it control the secretion of other endocrine glands

26
Q

what are the main parts of the pituitary gland

A

anterior
posterior

27
Q

what is the outer part of the adrenal gland called

A

adrenal cortex

28
Q

what does the adrenal cortex do

A

releases hormones necessary for life

29
Q

what does the adrenal corext produce

A

cortisol

30
Q

what does the adrenal medulla release

A

adrenaline and noradrenaline

31
Q

what are sensory neurons

A

carry nerve impulses from sensory receptors to the spinal cord and brain by turning sensory receptors into neutral impulses that are translated when they get to the brain (eg-visual, pain)

32
Q

what are relay neurons

A

allow sensory and motor neurons to communicate, found in the brain and spinal cord

33
Q

what are motor neurons

A

located in the CNS and send messages from the brain to the muscles and control muscles by forming synapses with the muscles to control their contraction

34
Q

how does synaptic transmission happen

A

signals within neurons are transmitted electrically, when the electrical impulse reaches the end of the neuron it triggers the release of neurotransmitters
the triggers the next electrical impulse

psychology approaches (2 decks)

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