| http://www.w3.org/ns/prov#value | - Approximately 4% of epileptics suffer seizures in response to visual stimuli such as flashing or flickering lights or geometric patterns and shapes and this is referred to as photosensitive epilepsy (Wilkins, 1995).The brain activity of epileptics can be examined using the electro-encephalograph (EEG) which records the potentials from the brain using electrodes against the scalp.
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