... shifts were smaller, eye movements played a larger role than when gaze shifts were larger. The duration and velocity of eye and head movements were positively related to the size of the eye and head movements, respectively. In addition, the coordination of eye and head movements in peafowl differed from...

... in vestibular development. * Author for correspondence at present address: Auf dem Rucken 16/1, 89143 Blaubeuren, Germany ( [email protected] ) 20 8 2012 8 10 2012 © 2013. 2013 axis formation eye movement postural control vestibular development Wnt-system...

... of the dorsal eye muscle at a frequency of about 12 Hz. This prevents an adaptation of the photoreceptors by slightly shifting (1–2 deg.) the visual field. (2)Induced eye movements or saccades are caused by the contraction of both the dorsal and the ventral eye muscles; they deflect the visual field laterally...

...-bielefeld.de ) 26 1 2006 © The Company of Biologists Limited 2006 2006 optic flow motion sensitive neuron eye movement blowfly Calliphora vicina Virtually all animals with developed visual systems are able to actively control their gaze using eye, head and/or body movements...

... whether fish with independent spontaneous eye movements show independent optokinetic nystagmus in each eye. Two fish with independent spontaneous eye movements, the pipefish Corythoichthyes intestinalis and the sandlance Limnichthyes fasciatus were compared with the butterflyfish Chaetodon rainfordi...

... 21 09 1999 29 11 1999 © 1999 by Company of Biologists 1999 polarization vision Daphnia pulex shore flight eye movement vision The visual receptor cells of many arthropods are polarization-sensitive; that is, their response to linearly polarized light depends on its...

...Herbert Paul; W. Jon P. Barnes; Dezsö Varjú ABSTRACT The compound eyes, the canal organs of the statocysts and proprioceptors in the legs all generate compensatory eye movements in the horizontal plane in the land crab Cardisoma guanhumi . Frequency analyses of the compensatory eye reflexes...

...Stephen Young ABSTRACT A simulation model for Polyphemus eye movements was based on an openloop saccadic control system, derived from previous observations of eye movements in response to sinusoidally oscillating targets. The model was checked against new observations of Polyphemus eye movements...

...Stephen Young; Victoria A. Taylor ABSTRACT Polyphemus eye movements were recorded in both pitching and yawing planes, both in a static visual environment and with a sinusoidally moving stimulus. Spontaneous eye movements (average amplitude 1·7°) had different properties in the two planes...

...J. C. Montgomery ABSTRACT A method is described of obtaining the relationship between electrical stimulation of the abducens nerve and horizontal eye movement in the dogfish. The stump of the Vlth nerve was stimulated intracranially in a fish in which the brain had been removed, but in which...