Non-fluent aphasias

Question 1

nonfluent aphasias

Answer 1

• Broca’s
• Global
• transcortical motor
• transcortical mixed/isolation syndrome

Question 2

a lesion where causes Broca’s aphasia?

Answer 2

lesion to Broca’s area and surrounds, or deep to subcortical areas

Question 3

auditory comprehension for Broca’s aphasia:

Answer 3

better auditory comprehension, although some impairment is frequently observed

Question 4

Broca’s aphasia characteristics:

Answer 4

• effortful speech filled with pauses (usually word retrieval difficulties), revisions, sound and syllable prolongations, repetitions, short phrase length
• impaired repetition
• word finding problems
• thought formulation problems

Question 5

Broca’s aphasia characteristics:

Answer 5

• impaired confrontation naming
• paraphasias
• agrammatic/telegraphic speech
• may have AOS

Question 6

Broca’s aphasia characteristics:

Answer 6

• difficulty imitating
• generally poor oral reading and writing problems
• perseverations
• most likely hemiplegic
• frustration/depression

Question 7

a lesion to where causes global aphasia?

Answer 7

a lesion to anterior and posterior areas involving mostly the frontal, temporal and parietal lobes (large and deep, covering the entire perisylvian region), or deep to subcortical areas (e.g., insula, thalamus)

Question 8

Global aphasia auditory comprehension:

Answer 8

poor auditory comprehension

Question 9

Global aphasia characteristics:

Answer 9

• profoundly impaired language abilities across all modalities (talking, understanding, reading & writing)
• more preserved use of nonverbal information (gestures, facial expressions, intonation, context)

Question 10

Global aphasia characteristics:

Answer 10

• no propositional (meaningful) speech
• may have recurrent utterances, automatic speech
• may have AOS
• very likely hemiplegic

Question 11

a lesion to where causes Transcortical Motor Aphasia?

Answer 11

a lesion to supplementary motor area (SMA) or nerves running to the Broca’s area

Question 12

Transcortical Motor Aphasia characteristics

Answer 12

• impaired self-initiated speech but not imitative speech
• good repetition skills
• Broca’s aphasia characteristics

Question 13

a lesion to where causes mixed transcortical aphasia/isolation syndrome?

Answer 13

a lesion to the watershed lesion surrounding peri-sylvian speech and language areas (anterior and posterior association areas)