Isabella Araujo Mota and Otávio Gomes Lins
A Bereitschaftspotential (BP) preceding voluntary eyelid blinks has been described in a few studies. A BP was not found preceding automatic blinks and blepharospasms. BP preceding blinks presents low amplitudes compared to apendicular musculature. A BP preceding eyelid voluntary blinks was demonstrated in patients with early stage Parkinson Disease, with severely reduced amplitude.
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