Abstract
Peak velocity of saccadic eye movements is a crucial motor parameter in clinical neurology and oculomotor research. However, it may differ depending on the technique recording eye movements. Electrooculography (EOG) is easy and comfortable to handle but its signal is noisy and it may overestimate peak velocity of upwards saccades (Yee et al. 1985). Videooculography (VOG) and the magnetic Scleral Search Coil System (SSC) both show high spatial and temporal resolution but also have some technical flaws. VOG does not work when eyes are closed. SSC is invasive, expensive and decreases peak velocity compared to VOG (Frens and van der Geest 2002). For the first time, we recorded saccades and compared them intraindividually using all three recording techniques with open and closed eyes.
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