Foundations
The most common cause of aphasia
What is Cerebrovascular accidents (CVA)
Aphasia characterized by fluent speech, poor comprehension, and poor repetition
What is Wernicke's Aphasia
Characterized by non-fluent, good comprehension, and poor repetition
What is Broca's Aphasia
Name the 4 criteria for classification
fluency, auditory comprehension, repetition, naming
Lesions in extraperisylvian areas can lead to what?
deficits in processing orthographic information (alexia and agraphia)
Type of stroke caused by a blocked or interrupted blood supply to the brain (can be thrombosis or embolism)
What is ischemic
Aphasia characterized by fluent speech, good comprehension, and poor repetition
What is conduction aphasia
Why is non-fluent aphasia non-fluent?
It typically affects Broca's area or the area around the base of the motor strip.
What is the most severe nonfluent aphasia
Global aphasia
Incomplete sentences such as this "You write with a ____" target which area of language
What is naming (verbal expression)
Type of stroke caused by bleeding in the brain due to ruptured blood vessels (Intracerebral or extracerebral)
What is hemorrhagic
True or False: Anomic aphasia is typically less severe than Wernicke's aphasia.
True
Characterized by non-fluent speech, poor repetition, poor comprehension
What is Global Aphasia
What is the least severe fluent aphasia
Anomic Aphasia
What is agraphia
acquired inability to write not related to a motor deficit.
True or False: Aphasia is a developmental impairment of memory and cognition
What is False: Aphasia is acquired and it is not a memory impairment nor a cognitive impairment, however these conditions can co-occur with Aphasia.
Aphasia characterized by fluent speech, poor comprehension, and good repetition
What is Transcortical Sensory Aphasia (TSA)
Characterized by non-fluent, poor comprehension, and good repetition
What is mixed transcortical aphasia?
What is the site of lesion for mixed transcortical aphasia?
diffuse extrasylvian areas in both frontal and parietal areas.
Loss of previously acquired reading skills due to recent brain injury
What is the hallmark characteristic of all aphasia types?
Deficits in naming
Aphasia characterized by fluent speech, good comprehension, and good repetition
What is anomia
Characterized by non-fluent aphasia, good comprehension, and good repetition
What is Transcortical Motor Aphasia (TMA)
Where are lesions for global aphasia?
large lesions around Sylvian fissure as well as lesions in the anterior and posterior area. Usually the entire perisylvian area - diffuse damage.
Disorder of recognition
What is agnosia