Localisation Of Function Flashcards

1
Q

Holistic theory

A

Brain works as one organ

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2
Q

Localisation theory

A

Different areas of the brain are responsible for different functions

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3
Q

Where is the motor cortex

A

Frontal lobe

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4
Q

What does the motor cortex do

A

Control voluntary movements

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5
Q

Consequence of damage to the motor cortex

A

Loss of control over movements in hands/ fingers

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6
Q

Where is the somatosensory cortex

A

Parietal lobe

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7
Q

What does the somatosensory cortex do

A

Processes sensory info from the skin
Signals spinal cord
Reach thalamus
Then somatosensory
Then response

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8
Q

What is the consequence of damage to somatosensory

A

Less or more pain sensitivity

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9
Q

Where is the visual cortex

A

Occipital lobe

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10
Q

What does the visual cortex do

A

Receives/ processes visual info

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11
Q

Consequence of damage to visual cortex

A

Blindness/ poor vision

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12
Q

Where is the auditory cortex

A

Temporal lobe

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13
Q

What does the auditory cortex do

A

Analyses speech

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14
Q

Consequence of damage to auditory cortex

A

Hearing loss

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15
Q

Where is Broca’s area

A

Frontal lobe ( left only)

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16
Q

What does Broca’s area do

A

Speech production

17
Q

Consequence of damage to Broca’s area

A

Brocas asphasia
Difficulty speaking

18
Q

Where is wernickes area

A

Temporal lobe
(Left only)

19
Q

What does wernickes area do

A

Responsible for language comprehension

20
Q

Consequence of damage to wernickes area

A

Wernickes asphasia
Inability to understand language

21
Q

Evaluate localisation of function

A

+ evidence from brain scans- Petersen found wernickes area active during listening- objective
- simplistic- EB had left hemisphere removed but regained language ability- more than one area
- contradiction- Lashley- up to 50% of cortex in rats removed- still able to learn maze- holism
- gender differences- women have larger wernickes- greater use of language
+case study- phineas gage- changed personality- suggests frontal lobe regulates mood