Ch 1 - Stroke: Aphasia Flashcards
What are the types of Fluent Aphasia?
Wernicke’s
Transcortical sensory
Conduction
Anomia
What are the types of Nonfluent Aphasia?
Broca’s
Transcortical motor
Global
Mixed transcortical
What is the location of Wernicke’s aphasia?
Posterior part of superior (first) temporal gyrus of the dominant (usually left) hemisphere
What are the characteristics of Wernicke’s aphasia?
Fluent speech (-) Comprehension (-) Repetition Word deafness Alexia Agraphia Marked paraphasias and neologisms
What is the location of Broca’s aphasia?
Posterior-inferior frontal lobe (3rd frontal convolution) of dominant hemisphere> anterior to motor cortex that supply tongue, lips and larynx
What are the characteristics of Broca’s aphasia?
Nonfluent speech
(+) Comprehension
(-) Repetition
Paraphasias and articulatory errors or struggle
What is the location of Global aphasia?
Vary in size and location but usually left MCA (entire perisylvian region)
What are the characteristics of Global aphasia?
Nonfluent speech
(-) Comprehension
(-) Repetition
What is the location of Anomic aphasia?
Temporo-parietal injury, angular gyrus
What are the characteristics of Anomic aphasia?
Fluent speech (+) Comprehension (+) Repetition (-) Naming Decreased output of nouns Word-finding difficulty Alexia/agraphia may be present
What is the location of Conduction aphasia?
Parietal operculum (arcuate fasciculus) or insula or deep to the supramarginal gyrus (usually left)
What are the characteristics of Conduction aphasia?
Fluent speech
(+) Comprehension
(-) Repetition
Literal paraphasias with “targeting” of words (until getting the right one)
What is the arcuate fasciculus?
Band of white matter running deep to the supramarginal gyrus and insula that joins Broca’s and Wernicke’s areas
What is the location of Transcortical motor aphasia?
Frontal lobe, anterior or superior to Broca’s area or in the subcortical region deep to Broca’s area
What are the characteristics of Transcortical motor aphasia?
Nonfluent speech
(+) Comprehension
(+) Repetition
Reduced rate of speech and initiation