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Pathology > Language > Flashcards

Flashcards in Language Deck (17):
1

Speech

Phonation and articulation that does not necessarily imply communication

2

Language

Communication through the use of symbols

3

What artery supplies most of the language centers of the brain?

MCA

4

Aphasia

Abnormal language expression due to a disorder affect previously acquired language ability

5

Fluency

Ease and quantity of speech without regard for its contents or meaning

6

Paraphasia

Abnormal word or syllable substitution - ranges from letters ("boor" instead or door) to words (green instead of blue) or to neologisms.

7

Broca's Aphasia

Posterior Inferior Frontal Lobe Lesion in Dominant Hemisphere

- Fluency is impaired leading to words being slowly spoken with comprehension preserved and imperfect repetition

8

What other symptoms may Broca's aphasia be seen with?

Right hemiparesis as the primary motor cortex is just posterior to Broca's area.

9

Wernicke's Aphasia

Posterior Superior Temporal Lobe Lesion in Dominant Hemisphere

- Fluency is preserved but comprehension is impaired with imperfect repetition

10

Conduction Aphasia

Lesion of Arcuate Fasciculus

- Loss of connection between Wernicke's and Broca's area and more closely resembles a mild Wernicke's

11

Global Aphasia

Large Lesion of Perisylvian Language Region

- Patient is unable to speak or communicate and follows no commands or gestures and has severe hemiplegia

12

Alexia

Disconnect of visual center from the language center leading to the impairment of reading

13

Agraphia

Lesion disconnects motor cortex from dominant hand language centers leading to difficulty with writing

14

Prosody

Semantic and emotional meaning of language conveyed via pitch

15

Aprosodia

Nondominant lesions of the reciprocal language centers leading to the impairment of understanding and use of prosody

16

Lesion in Non-Dominant Posterior Superior Temporal Lobe

Sensory aprosodia where patient has trouble understanding and mimicking prosody but they will have normal prosody when speaking.

17

Lesion in Non-Dominant Posterior Inferior Frontal Lobe

Motor aprosodia where patient cannot use prosody in normal speech and cannot mimic it but can understand the prosody when hearing it used by others.

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