Predicting Rehabilitation Outcomes in Bilingual Aphasia Using Computational Modeling

Inclusion Criteria:

- Diagnosis of aphasia with naming deficits and concurrent lexical/semantic impairment

- At least 6 months post-onset of single, left-hemisphere stroke

- Bilingual: speaking both Spanish and English (or Chinese and English)

- Visual and auditory acuity sufficient for experimental tasks

- The ability to understand study procedures and comply with them for the entire length
of the study

Exclusion Criteria:

- Diagnosed with medical disease that could compromise participation (e.g., cancer
undergoing acute treatment, unstable diabetes, renal or hepatic insufficiency,
fluctuating systemic immunological disease such as systemic lupus erythematosis, etc.)

- Diagnosed with mental illness other than active depression Neurological condition
other than that which resulted in aphasia

- Currently taking medications that are known to exert significant effects on cognitive
processes, such as neuroleptics, steroids, anticholinesterase inhibitors, etc.

- Overt, behaviorally noticeable, attentional limitations that interfere with completing
the experimental tasks

- Current drug or alcohol use or dependence that would interfere with adherence to study
requirements, in the opinion of the principal investigator

- Proficient in more than just Spanish and English (or Chinese and English)

- Premorbid history of speech/language disorder