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Psychology > Biopsychology > Flashcards

Biopsychology Flashcards

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1
Q

what are the 2 main componments of the CNS

A

CNS + PNS (central nervous system and peripheral nervous system)

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2
Q

2 part of CNS

A

brain and spinal chord

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3
Q

componments making up peripheral nervous system

A

autonomic nervous system, somatic nervus system, sympathetic nervous system, parasympathetic nervous system

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4
Q

what does autonomic nerovus system mean

A

self governing

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5
Q

what is the outer layer of the brain

A

the cerebral cortex

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6
Q

what is an extension of the brain

A

spinal chord

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7
Q

what does the somatic nervous system

A

transmits infomation recieved by the senses through receptors to the CNS and transmits messages from the CNS to the muscles to instruct them to act

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8
Q

3 types of neurons

A

sensory, relay, motor

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9
Q

sensory neuron =

A

these neurons tell the rest of the brain about external and internal environment by processing information taken from one of the 5 senses. carry messages from PNS to CNS.

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10
Q

motor neuron=

A

carry signals from the CNS which helps organs including glands and muscles function

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11
Q

relay neuron

A

carry messaged from one part of the CNS to another, connect motor and sensory neurons

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12
Q

neuron disease =

A

motor neuron disease

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13
Q

what is electric transmission

A

when a neuron is activated by a stimulus the inside of the cell becomes positively charged for a split second causing action potential to occur, creates electrical impulse which travels down the axon

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14
Q

when is a neuron in resting state

A

the inside of a cell is negatively charged

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15
Q

what causes action potential to occur

A

electric transmission

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16
Q

what is a neuro transmitter

A

neurotransmitters are chemicals that diffuse across the synapse to the next neuron in the chain. they can affect mood and behaviour

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17
Q

examples of neurotransmitters

A

seratonin, dopamine, melatonin, adrenaline

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18
Q

what is excitation

A

excitation refers to when a neurotransmitter increases the positive charge of the post synaptic neuron

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19
Q

what is inhibition

A

refers to when a neurotransmitter increases the negative charge of the post synaptic neuron

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20
Q

what is the pituitary gland

A

the master gland, control of other glands

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21
Q

thyroid gland =

A

produces thyroxin, for regulation of growth and metabolism

22
Q

adrenal gland =

A

produces adrenaline, responsible for fight or flight

23
Q

testes =

A

repsonsible for production of testosterone and male sexual behaviour

24
Q

fight or flight reponse =

A

sympathatic system

25
Q

optimal state =

A

parasympathatic system

26
Q

VASM

A

visual, auditory, sensory, motor

27
Q

POFT

A

parietal, frontal, temporal, occipital

28
Q

visual cortex

A

visual area

29
Q

auditory cortex

A

processing audio infomation

30
Q

motor cortex

A

controls volunatry movement in the opposite side of the body

31
Q

occipital lobe

A

houses visual cortext

32
Q

frontal lobe

A

personality

33
Q

occipital lobe

A

houses visual cortex

34
Q

temporal lobe

A

auditory area wernickes area

35
Q

damage to the speech area is called

A

brocas aphasia

36
Q

what is synaptic pruning

A

connections in the brain being strengthened

37
Q

brain is malleable

A

brain plasticity

38
Q

what happens to the brain after trauma

A

axonal sprouting, reformation of new blood vessels and recruitment of homologous areas on the opposite side of the brain

39
Q

3 types of brain scans

A

FRMI EEG ERP’s = functional magnetic resonance imaging

electroencephalogram

event related potentials

40
Q

another way of examening besides scanning

A

post morten examination

41
Q

circadian rhythms

A

rhythms that last for 24h

42
Q

exogenous zetgeiber

A

external factors that have an impact on the bodys rhythm

43
Q

infradian rhythms

A

24h+

44
Q

example of infradian rhythms

A

menstrual cycle or SAD

45
Q

example of circadian rhythms

A

sleep/ wake cycle

46
Q

ultradium rhythms

A

-24h

47
Q

example of ultradium rhythms

A

stages of sleep

48
Q

stage 1 and 2

A

light sleep - easily woken

49
Q

stage 3 and 4

A

deeper sleep

50
Q

stage 5 REM

A

deepest sleep

51
Q

endogenouos pacemakers

A

bodys internal clocks

52
Q

the suprachiasmatic nucleus

A

bunch of tiny nerve cells locaed in the hypothalamus in each hemisphere of the brain - primary endogenous pacemaker and influential in maintaining circadian rhythms

Psychology (12 decks)

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