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PSYCHOLOGY GCSE > THE NERVOUS SYSTEM > Flashcards

THE NERVOUS SYSTEM Flashcards

1
Q

what is the CNS

A

consists of brain and spinal cord

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2
Q

what is the peripheral nervous system

A

consists of somatic nerous system and autonomic nervous system

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3
Q

what is the atomic nervous system divded into

A

parasymapthetic divison and sympathetic division

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4
Q

whats the differnece between automic and somantic

A

automic is for INVOLUNTARY movemnts you cant control

somaticin volunatray can control

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5
Q

what is hemoststais

A

maintaintsing the conditions in your body at steady

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6
Q

what does the PNS do

A

send impulses and recieed impulses through the CNS

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7
Q

how does the flight or fight response

A

1) brain detects a threat
2) then the hypothalamus releases adrenaline
3) psychological chnages happens and occus in your body
4) sympathetic divisoon activated ( digestion inhibits and saliva heart rate speeds up
5) as the threat passed the parasympathetic division occurs when its at rest

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8
Q

what is synaptic transmittion

A

the way two neurones communicate and send impulses

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9
Q

how does it occur

A

a synapse is a gap between two neurones where the presynaptic nerurotarmitter diffuses accross the gap and bind into the receptors of the post synaptic
the remaining of the neurotransmitter ae then reasoorbed and reuptaked by the neurones .

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10
Q

why is the axon covered with myelin sheath

A

myelien sheath sppeds up the impulses beung sent

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11
Q

what does the cell ody contain

A

nucleus that contacins genetic material

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12
Q

what does the sensory neurones do

A

recieved impulses from sense receptors and then to the relay neurone

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13
Q

realy neurone

A

recieves impulses from the sensory neurone to the motor neurone

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14
Q

motor neurone

A

send impulses to the effctors to produce a response

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15
Q

what did james lange theory stated

A

he said that an eevent will happen that will case arousal and then interpretation by the brain and then you would feel a certain emotion

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16
Q

A03

A

ONE STRENGTH IT SUPPOSRTED IN REAL LIFE WORLD EXPAMPLES …..

ONE WEKANESS ANITHER REASERACHER SAID WE EXPEREIMCE AROUNSAL AND EMOTIONS AT THE SAME TIME …

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17
Q

the two types of neurottanmitters are …

A

excihibitaoy and inhibitory

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18
Q

how does the excihibitory and inhibitory work

A

excihibitory is when there is lots of positive charges means more likey to fire

inibitory negatuve charges less likely to fire

if there is enough excihibitory than inhibitory then it will fire .

19
Q

what did hebbs theory stated

A

he stated that our brain is plastic and constantly develops evertime we use it as it adpts to new information and neureonsed assesmlies aand become more suffucinet and make stronger connection

20
Q

A03 of hebbs theory

A

one strength there is sceimctific basis

one strength there is supported research

21
Q

what are the four lobes

A

frontal , partile lob , temporal lob , occiptal lobe

22
Q

frontal lobe

A

contain motor area and language area borcas area

23
Q

what is the borcas area

A

speech prudtcion

24
Q

partel lob

A

it contains somotosensory area

25
Q

occiptal lobe

A

a visual area sned impusles to the ey visual field

26
Q

temporal lobe

A

auditory and wrenkes area where is understanding speech

27
Q

what is localisation

A

diffenrt pasrts os the brain that are specific to funcytions

28
Q

what is penfields study

A

see paents reposnse when some pasrt where stimulated
when the somotensosry feels a tingling senstation whwres the visya area they saw colors shadows and then the temporal lobe is past expericed sp in conlcusion the interpretve coretct suppost localistaion

29
Q

A03

A

one wkanesss based in patents repsonse ….

one strnegth ebenfited neurosecice ….

30
Q

wat is interpretive cortect

A

the asrt where it located in the temporal lobe where all the memory and perceptios are stored in there

31
Q

what is cognituve neurosceimce

A

a sceimetific study where it staes that the struectures of the brain influemces mmemroy and behavior

32
Q

hpw cognitive neurosceimce affects beavior

A

the amyglada in the temporal lobe causes aggression

33
Q

how in mental illness

A

the study showing with less serotonin binding into the neurone causes depression

34
Q

cognitive

A

episodic memory hippocampus and sematic memory are in te temporal lobe

35
Q

what is neurological damage

A

an event that acsues damage to your neurones that would lead to change of behavior

36
Q

in strokes

A

when there isnt enough blood supply into the oxygen .., the damge can bepermannent

37
Q

motor ability

A

damage in the motor causes a damage in the motor coordination

38
Q

behavior

A

there will be damage in the language area … damage in the boracs area is damge and diffcukt of producg words and speech

39
Q

describe telving gold study

A

he wanted to see when thining about episodic and semnati are used in diffenrt past of the brain . a group pf partcipant theretast was to think about some perosnal event and asked questions for the semantic as ther blood flow was measures using the PET scan . in 3 out of the six paartcipant there was a huge diifence of the blood flow between epiosidc and semantic . episdic was in the temporla lobe wereas semantic in the partel lobe . epeisodic and semnatic are two diffenrt memory processs and are loacred in differt areas .

40
Q

A03

A

ONE STRENGTH USED A TRUSTRED RESOURCE THE PET SCAN ….

ONE WEAKNESS SAMPLE IS RESTRICTED …

41
Q

DESCRIBE THE CT SCAN

A

SHW STHE STRUCTEUE OF THE BRAIN LIKEAN X RAY BUT IT USES LESS RADIATION IT SHOWS IF THERE IS TUMOURS IN THE BRAIN OR NOT , IT DOESNT PROVIDE A LIVE AVTION PHOTO

42
Q

DESCRIB ETHE PET SCAN

A

MEAURES BRAN ACTIVITY THE PATENTIC IS INJECTED WIT RADIOCTUVE GUCOSE . THE PASRT OF THE BRAIN MORE ACTUVE WILLL ABSORB MORE

ITS SHOWS LIVE ACTION BUT IT EXPEISVE SO HARD TO OBTAIN RESUKT S

43
Q

WHAT US FMRI

A

MEAURES THE OXTEGN LEVEL IN THE BRAIN . ACTIVE BRAIN USES UP MORE OXYGEN SHWOING HIGH ACTIVTY
SHOWS TE BRSIN WHEN ACTION ONLY WORK IF THE AOTIENT IS STILL AD ITS EXEPNSIUEV BUT UT DEOSNT USE ANY RADATION

44
Q
A

PSYCHOLOGY GCSE (8 decks)

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