Inclusion criteria:

1. Age > 18 years
2. Admitted to the hospital with a diagnosis of AIS, ICH, or aSAH
3. Radiographic confirmatory evidence of: (1) AIS (based on a focal area of restricted diffusion on MRI), (2) non-traumatic ICH (based on evidence of acute parenchymal hemorrhage CT or brain MRI) or (3) non-traumatic acute aSAH (based on evidence of subarachnoid hemorrhage on CT or MRI and evidence of aneurysm on CT angiography, MR angiography, or conventional catheter-based angiography)
4. Able to complete baseline visit in person or by phone within 6 weeks of stroke onset
5. Able to provide informed consent by self or proxy
6. Fluent in English or Spanish prior to stroke onset

Exclusion criteria:

1. Documented history of pre-stroke dementia or fails dementia pre-screen