National Institute on Deafness and Other Communication Disorders (NIDCD)
Age
18–85
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Any number of years of education
Bilingual: speaking both Spanish and English (or Chinese and English) with any degree of language proficiency prior to stroke
Aphasia secondary to a left-hemisphere stroke (diagnosed by a neurologist on the basis of clinical CT/MRI imaging or medical reports)
Aphasia resulting from stroke or dementia
Naming deficits must be present with concurrent lexical/semantic impairment
Visual and auditory acuity sufficient for all assessment and treatment procedures
Ability to understand study and follow study procedures for the entire length of the study
You may not be if
Premorbid history of speech/language disorder
Proficient in more than just Spanish and English (or Chinese and English)
Overt, behaviorally noticeable, attentional limitations that interfere with completing the experimental tasks
Active medical disease that may compromise participation (e.g., cancer undergoing acute treatment, unstable diabetes, renal or hepatic insufficiency, fluctuating systemic immunological disease such as systemic lupus erythematosis, etc.)
Currently taking medications that are known to exert significant effects on cognitive processes, such as neuroleptics, steroids, anticholinesterase inhibitors, etc.
Current drug or alcohol use or dependence that would interfere with adherence to study requirements, in the opinion of the principal investigator
Inability or unwillingness of individual to give written informed consent
Diagnosed with mental illness other than active depression
Neurological condition other than that which resulted in aphasia
