Biological Approach Flashcards

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1
Q

Methods to study the brain

Autopsies

A

examining the brains of corpses

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2
Q

Methods to study the brain

Selective Destruction

A

destroying specific parts of the brain to seeing the behavioural

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3
Q

Methods to study the brain - brain imaging

Functional

A

able to see the activity not the structure

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4
Q

Methods to study the brain - brain imaging

Structural

A

able to see the structure not the activity

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5
Q

Methods to study the brain

MRI - advantage

A

high resolution, little risk

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6
Q

Methods to study the brain

MRI - disadvantage

A

doesn’t indicate function

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7
Q

Methods to study the brain

fMRI - advantage

A

easy to carry out, little risk

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8
Q

Methods to study the brain

fMRI - disadvantage

A

unnatural setting, may not have ecological validity

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9
Q

Genetics and behaviour

Genotype

A

variants of a gene present in one’s DNA

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10
Q

Genetics and behaviour

Phenotype

A

individual characteristics (appearance or behaviour)

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11
Q

Genetics and behaviour

Monozygotic twins share….

A

100% of their genotype

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12
Q

Genetics and behaviour

Offspring share….

A

50% of their genotype

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13
Q

Neuroplasticity

Synaptic Plasticity

A

the ability of neurons to form new synaptic connections and break up old ones

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14
Q

Neuroplasticity

synaptic pruning

A

nerve cells making new connections with eachother

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15
Q

Neurotransmitters

Neurotransmission

A

the chemical communication between neurones

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16
Q

Neurotransmitters

first step in the process of neurotransmission

A

NT are transmitte by presynaptic neurone

17
Q

Neurotransmitters

second step in the process of neurotransmission

A

NT drifts across the synaptic clef and binds to the post-synaptic neurone

18
Q

Neurotransmitters

third step in the process of neurotransmission

A

NT either excites or inhibits post-synaptic neurone

19
Q

Neurotransmitters

final step in the process of neurotransmission

A

NT is released and either is reabsorbed by the presynaptic neurone for future use or diffuses away

20
Q

Localisation of Function

strict localisation

A

specific parts of the brain are soley responsible for specific functions

21
Q

Localisation of Function

Holism

A

functions of the brain are the result of the brain working as a whole, not specific regions

22
Q

Localisation of Function

Principal of Equipotentiality

A

ability of intact parts of brain to carry out functions of destroyed parts

23
Q

Localisation of Function

Research supporting relative localisation

A

maguire and draganski

24
Q

Localisation of Function

relative localisation

A

specific parts may be responsible for certain functions but not exclusively