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. 2017 Sep 7;8:434. doi: 10.3389/fneur.2017.00434

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Copyright © 2017 Wiener-Vacher and Wiener.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Video head impulse test (VHIT) responses from a 3-month-old child with no pathology. (A) The format is the same as in Figure 3. Note that a few saccades occur more than 200 ms after the head impulse is finished and these correspond to change in gaze, not corrective saccades. These reflect the instability of gaze in small children and are unrelated to the vestibulo-ocular reflex. (B) Gains and their SDs (σ) for the respective canals for this subject. Note the values of σ of the gain are greater than those of the older child in Figure 3C (figures adapted from Synapsys^® VHIT Ulmer program screenshots).