Adults, age 18 and over
- with suspected dementia.
- who are being considered for brain surgery (e.g., deep brain stimulator implant, focal resection).
- who have been exposed to toxic agents.
- Pre or post-neurosurgical patients (e.g., aneurysms, brain tumors, seizure disorders).
- Pre or post-transplant patients from the heart, liver and kidney transplant programs.
Children with learning difficulties due to a medical problem.