Training-induced cortical representation of a hemianopic hemifield.

ABSTRACT:

Background

Patients with homonymous hemianopia often have some residual sensitivity for visual stimuli in their blind hemifield. Previous imaging studies suggest an important role for extrastriate cortical areas in such residual vision, but results of training to improve vision in patients with hemianopia are conflicting.

Objective

To show that intensive training with flicker stimulation in the chronic stage of stroke can reorganise visual cortices of an adult patient.

Methods

A 61-year-old patient with homonymous hemianopia was trained with flicker stimulation, starting 22 months after stroke. Changes in functioning during training were documented with magnetoencephalography, and the cortical organisation after training was examined with functional magnetic resonance

SUBMITTER: Henriksson L 

PROVIDER: S-EPMC2117784 | biostudies-literature | 2007 Jan

REPOSITORIES: biostudies-literature