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Aphasia - Coggle Diagram
Aphasia
Types
Broca’s Aphasia
- Non-fluent, effortful speech
- Relatively preserved auditory comprehension
- Difficulty producing words, but often know what they want to say
Wernicke’s Aphasia
- Speech production is normal
- Comprehension is impaired
- Speech may be incoherent
Causes
- Strokes, brain trauma, or tumors, affecting the frontal and temporal areas of the left hemisphere.
- Damage in subcortical regions (Basal ganglia or Thalamus)
Classifications
Expressive vs. Receptive
- Expressive aphasia affects speech output
- Receptive aphasia affects comprehension
Fluent vs. Nonfluent
- Fluent aphasias have normal articulation
- Nonfluent aphasias are marked by halting speech.
Subtypes
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Anomic Aphasia
- Difficulty in word-finding
- Often seen in brain injuries and dementia
Conduction Aphasia
Difficulty repeating words, though speech is otherwise fluent
Global Aphasia
- Severe impairment across all language functions
- Typically due to extensive brain damage