ScienceDaily (Mar. 25, 2009) — Patients who have lost part of their visual awareness following a stroke can show an improved ability to see when they are listening to music they like, according to a new study published March 23 in the journal Proceedings of the National Academy of Sciences.
Every year, an estimated 150,000 people in the UK have a stroke. Up to 60% of stroke patients have impaired visual awareness of the outside world as a result, where they have trouble interacting with certain objects in the visual world.
This impaired visual awareness, known as 'visual neglect', is due to the damage that a stroke causes in brain areas that are critical for the integration of vision, attention and action. Visual neglect causes the patient to lose awareness of objects in the opposite side of space compared to the site of their brain injury.
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