Sound and light training may bring back sight after stroke

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age \>= 18 years old * Homonymous hemianopia diagnosed and referred by a neurologist, confirmed with Humphrey test (Goldmann size V) on first visit. Hemianopia must have been evident for at least 6 months for inclusion in the first experiment and \<1 month for inclusion in the second * Cognitively normal, defined as having normal activities of daily living OR has received a cognitive adjudication of normal through the Wake Forest University School of Medicine or equivalent within the past 12 months * MRI compatible * Has reliable transportation or is able to use transportation provided by the study * English speaking Exclusion Criteria: * Current major medical problems that might independently affect cognition, vision, or interfere with ability to attend study visits. This includes pathology of the retina or optic nerve explanatory of blindness * Unable or unwilling to attend scheduled testing and training sessions, including the 12 month follow up * Current diagnosis of a major neurological disorder that could interfere with the ability to follow task instructions (Dementia, Parkinson's disease, etc.) or that may interfere with the rehabilitation paradigm (uncorrected asymmetric hearing loss, deafness, hemineglect) * Unwilling or unable to provide consent for study participation * Current stroke symptoms deemed exclusionary by a study physician. This will be reviewed on a case-by-case basis by a study physician to determine whether factors may affect study outcomes, aims, or integrity * Taking medication that could negatively influence safety during the intervention * Enrolled in another interventional research study \<= 3 months prior to beginning this study * Self-reports regularly drinking \> 14 alcoholic beverages a week or current illicit drug use