Superposition Violations in the Compensatory Eye Movement System | Zendy

Tafadzwa Sibindi | Zendy; Peter Holland | Zendy; Jos N. van der Geest | Zendy; Opher Donchin | Zendy; Maarten A. Frens | Zendy

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Superposition Violations in the Compensatory Eye Movement System

Author(s) -

Tafadzwa Sibindi,

Peter Holland,

Jos N. van der Geest,

Opher Donchin,

Maarten A. Frens

Publication year - 2016

Publication title -

investigative ophthalmology and visual science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.935

H-Index - 218

eISSN - 1552-5783

pISSN - 0146-0404

DOI - 10.1167/iovs.15-18605

Subject(s) - optokinetic reflex , stimulus (psychology) , superposition principle , reflex , eye movement , physics , stimulation , control theory (sociology) , mathematics , psychology , neuroscience , computer science , mathematical analysis , artificial intelligence , cognitive psychology , control (management)

Compensatory eye movements (CEM) maintain a stable image on the retina by minimizing retinal slip. The optokinetic reflex (OKR) and vestibulo-ocular reflex (VOR) compensate for low and high velocity stimuli, respectively. The OKR system is known to be highly nonlinear. The VOR is generally modeled as a linear system and assumed to satisfy the superposition and homogeneity principles. To probe CEM violation of the superposition principle, we recorded eye movement responses in C57BL/6 mice to sum of sine (SoS) stimulation, a combination of multiple nonharmonic inputs.

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