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Psychology > Biosychology > Flashcards

Biosychology Flashcards

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1
Q

What does the Nervous system incliude

A

Central nervous system
Peripheral nervous system

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2
Q

Whhat does the CNS include

A

Brain
Spinal cord

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3
Q

What does the PNS include

A

Autonomic nervous system
Somatic nervous system

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4
Q

What does the ANS do

A

Involuntary (breathing)

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5
Q

What are the sub sections in the ANS

A

Sympatheic- Fight or flight
Parasympathetic- Calms

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6
Q

What does the somatic nervous system do

A

Voluntary

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7
Q

What are dendrites

A

Recieves impulses from other neurons

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8
Q

What is nodes of ranvier

A

Gaps between myelin sheath
help speed up transmission of electrical impulses

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9
Q

What is Myelin Sheath

A

Surronds axon
protects, Allows impulses to be more rapid

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10
Q

What is axon terminals

A

End of axon
Communicate to next neuron across synapse

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11
Q

What is an axon

A

carriies impulse to axon terminal from cell body

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12
Q

What is the function of sensory neuron

A

transport info from receptor cells to CNS, located in PNS

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13
Q

Structure of the sensory

A

Long dendrites
Short axon

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14
Q

Whats the function of relay

A

Connect sensory and motor. In CNS

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15
Q

Structure of Relay

A

Short dendrites
Short axon

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16
Q

Function of motor

A

Transmit impulses to effector
In PNS

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17
Q

Structure of motor

A

Short dendrites
Long axon

18
Q

Process of synaptic transmission

A

Info passed as an action potential
Cross over synaptic gap
Once reached receptor sites release of neurotransmitters
Can cause either excitatory or inhibitory response
Either broken down or reuptake

19
Q

Excitatory neuron

A

Continue excitatory message
Activates recieving neuron
E.g Acetylcholine, Noradrenaline

20
Q

Inhibitory Neurotransmitters

A

reduces activation
“off switches”
E.g GABA, Serotonin

21
Q

Endocrine system

A

produce and secrete hormones to regulate body
Uses blood stream to transmit

22
Q

Pituitary gland

A

Responds to hypothalumus
releases LH,FSH,oxytocin
Stimulates ovaries and testes

23
Q

Ovaries

A

Releases Oestrogen
Regulates menstural cycle

24
Q

testes

A

release testosterone
develops internal+external male genitles
Muscle growth

25
Q

Pineal gland

A

release melatonin
Regs wake-sleep cycle

26
Q

Adreanal gland

A

release adrenaline
Fight or Flight

27
Q

Pancreas

A

Release insulin+ gulucose
Regs blood sugar levels

28
Q

Fight or flight respmse

A

amydala and hypothalumus interpret event as threat
H activates sympathetic branch
Message sent to Adrenal Medulla
Adrenal Medulla releases Adrenaline
Adrenaline in blood dectects target cells

29
Q

Physical changes and why

A

Increase HR-increase blood flow
Increase BR- Increase oxygen
Pupil dialation- Increase light enhance vision
Sweat- regs temp
reductio of digestion- Gives energy

30
Q

Localisation

A

Idea specific areas of the brain associate with internal mental process

31
Q

Hemispheric lateralisation

A

Two hemispheres function diff, certain processes only by one side

32
Q

Conteralteral brain

A

Right side controls left (visa versa)

33
Q

Cerebrum

A

Two hemispheres
Conteralateral
Connected by corpus callosum

34
Q

Cerebral Cortex

A

Divided into 4 lobes
Frontal- speech
Parietal- Sensory
Occipital- Visual
Temporal- Hearing

35
Q

Motor

A

Both R and L
Planning voluntary moves
Controlatoral

36
Q

Somatosensory

A

R and L
Sensory info
Contralatoral

37
Q

Visual

A

R and L
Visual info
Contralatoral

38
Q

Auditory

A

R and L
acoustic info
contralatoral

39
Q

Brocas area

A

L
Speech production
Damage- difficulty producing sentances

40
Q

Wernickes

A

L
Speech comprehension
Damage- Struggle to comprehend lang

41
Q

Support localistaion

A

P- Evidence to support
E- case studies i.e broca
E- inferred part of brain responsible for speech
L- Validate the claims
P- Evidence
E- Brain scans fMRI
E- High scientific
L- Supports claim

42
Q

Implications of localisation

A

P-
E-
E-
L-
P-
E-
E-
L-

Psychology (5 decks)

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