Functional Neuroimaging of Cortical Plasticity in the Human Visual System

Baylor College of Medicine

Overview

The study's objective is to measure changes in human visual cortex organization that may arise as a result of injury to the visual pathways. Subjects with retinal or cortical injury will be studied and compared to appropriate controls. Functional magnetic resonance imaging methods are used to monitor cortical topography in time. The main aims of the study are to determine: 1) what are the patterns of cortical reorganization that are seen spontaneously after injury, and 2) whether rehabilitative training can promote adaptive reorganization enhancing recovery.

Study Type

OBSERVATIONAL

Conditions

Stroke Blindness Vision

Eligibility

Sex: ALLMin age: 18 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Stable lesion of the visual pathways resulting in a visual field scotoma. Exclusion Criteria: * Inability to undergo magnetic resonance imaging, * Inability to comply with basic instructions, * Inability to perform the behavioral tasks required, * Patients with chronic progressive neurological or psychiatric disorders, * Patients that are pregnant, or breast feeding.

Locations (2)

Baylor College of Medicine

Houston, Texas, United States

Max Planck Institute for Biological Cybernetics

Tübingen, Germany

Data from ClinicalTrials.gov

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