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Our primitive reflexes may be more sophisticated than they appear, study shows
Date:2/14/2013

Up until now, the Vestibular-Ocular Reflex was considered a low-level reflex, not even approaching higher-order brain function. Now it seems that this primitive reflex was specialised into the cortex, the part of the brain which governs our sense of direction."

This study could help scientists understand why some people become dizzy through experiencing purely visual stimuli, such as flickering lights or busy supermarket aisles. Professor Adolfo Bronstein, a co-author on the paper, said "Most causes of dizziness start with an inner ear - or vestibular - disorder but this initial phase tends to settle quite rapidly. In some patients, however, dizziness becomes a problematic long term problem and their dizziness becomes visually induced. The experimental set-up we used would be ideally suited to help us understand how visual stimuli could lead to long-term dizziness. In fact, we have already carried out research at Imperial around using complex visual stimuli to treat patients with long-term dizziness"


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Contact: Gilead Amit
gda07@imperial.ac.uk
44-020-759-46702
Imperial College London
Source:Eurekalert

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