A loss of the ability to mentally produce or comprehend
speech. See also:
dysarthria.
Causes:
Head trauma
senile dementia
stroke
Symptoms:
Slurred speech
Inability to speak
Stuttering
Misunderstanding
Confusion
Inability to listen
Tests/Diagnostics:
cerebral angiography
CT scan
X-ray
EEG
Treatments/Cures:
None. Has been known to slowly fade away over time. A speech pathologist may be able to help in some cases.