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Poster C32 in Poster Session C - Friday, August 9, 2024, 11:15 am – 1:15 pm, Johnson Ice Rink
The Beat of a Glimpse: Investigating Saccadic Timing in Response to Visual Rhythms
Sundararaman Rengarajan1 (), Hariharan Sundaram2, Leanne Chukoskie1,3; 1Bouvé College of Health Sciences, Northeastern University, Boston, MA, USA, 2College of Engineering, Northeastern University, Boston, MA, USA, 3College of Arts, Media and Design, Northeastern University Boston, MA, USA
This study investigates the entrainment of saccadic eye movements to visual rhythms, examining whether the mechanisms akin to auditory-motor synchronization are also present for vision and gaze behavior. Through a gaze-contingent task with varying spatial uncertainties, we assessed participants' ability to synchronize saccades with dynamically changing visual stimuli. The results, derived from precise measurements using the EyeLink 1000 system, showed that individuals could entrain saccade timing to visual rhythms, as evidenced by the improved target acquisition and speeded reaction times across trials. The consistency of entrainment across individuals suggests potential applications of rhythmic visual stimuli in cognitive and motor training, particularly beneficial for those with attentional and coordination challenges. The study also explores the use of computational models of saccadic behavior. These findings underscore the importance of visual rhythm entrainment in enhancing visual-motor coordination and open new avenues for research in neural rehabilitation and adaptive learning processes.
Keywords: Saccades Entrainment Visual Rhythms