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localisation of function in the brain 2 Flashcards

(5 cards)

1
Q

what is Broca’s area?

A
  • a small area in the left frontal lobe
  • understand the spoken language but was unable to produce any coherent words
  • speech production
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2
Q

damage to Broca’s area:

A
  • Causes Broca’s aphasia which is characterised by speech that is slow, laborious and lacking in fluency
  • Broca’s patients may have difficulty finding words and naming certain objects
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3
Q

what is wernickes area?

A
  • left temporal lobe
  • language comprehension
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4
Q

damage to Wernicke’s area:

A
  • Causes Wernicke’s aphasia where patients have no problem producing language but severe difficulties understanding it
  • Patients often produce nonsense words (neologisms) as part of the content of their speech
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5
Q

the case of Phineas gage

A

● Phineas Gage was working on a railroad when a tamping iron shot through his cheek taking a chunk of his frontal lobe with it
● Gage survived but the damage to his brain affected his personality - he went from someone who was calm and reserved to someone quick-tempered, rude and ‘no longer Gage’
● The change in Gage’s temperament following the accident suggests the frontal lobe may be responsible for regulating mood

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