Editing Vestibulo-ocular reflex (section)

===Speed===
The vestibulo-ocular reflex needs to be fast: for clear vision, head movement must be compensated almost immediately; otherwise, vision corresponds to a photograph taken with a shaky hand. Signals are sent from the semicircular canals using only three neurons, called the ''three neuron arc''. This results in eye movements that lag head movement by less than 10 ms.<ref>{{cite journal | vauthors = Aw ST, Halmagyi GM, Haslwanter T, Curthoys IS, Yavor RA, Todd MJ | title = Three-dimensional vector analysis of the human vestibuloocular reflex in response to high-acceleration head rotations. II. responses in subjects with unilateral vestibular loss and selective semicircular canal occlusion | journal = Journal of Neurophysiology | volume = 76 | issue = 6 | pages = 4021–30 | date = December 1996 | pmid = 8985897 | doi = 10.1152/jn.1996.76.6.4021 }}</ref> The vestibulo-ocular reflex is one of the fastest reflexes in the human body.