Results 121 to 130 of about 27,988 (163)

The instantaneous training demand drives vestibulo-ocular reflex adaptation

Experimental Brain Research, 2020
The vestibulo-ocular reflex (VOR) maintains stable vision during rapid head rotations by rotating the eyes in the opposite direction to the head. The latency between onset of the head rotation and onset of the eye rotation is 5-8 ms in healthy humans. However, VOR latency can be 3-4 times larger in patients treated with intra-tympanic gentamicin.
William V. C. Figtree, Michael C. Schubert, Carlo N. Rinaudo, Americo A. Migliaccio   +3 more
openaire   +2 more sources

Simulation of adaptive mechanisms in the vestibulo-ocular reflex

Biological Cybernetics, 1992
The vestibulo-ocular reflex (VOR), which stabilizes the eyes in space during head movements, can undergo adaptive modification to maintain retinal stability in response to natural or experimental challenges. A number of models and neural sites have been proposed to account for this adaptation but these do not fully explain how the nervous system can ...
K J, Quinn, N, Schmajuk, J F, Baker, B W, Peterson   +3 more
openaire   +2 more sources

Cross-axis adaptation of the translational vestibulo-ocular reflex

Experimental Brain Research, 2001
The adaptive plasticity of the translational vestibulo-ocular reflex (VOR) was investigated in rhesus monkeys after 2-h exposure to either vertical or torsional optic flow stimulation accompanied by lateral translation stimuli (0.5 Hz). Because of the inherent ambiguity in the otolith system for the detection of gravitoinertial accelerations, we ...
M, Wei, D E, Angelaki
openaire   +2 more sources

Adaptive Optics in Ocular Optical Coherence Tomography

2012
Adaptive optics (AO) is a technology for correcting aberrations in real time. When applied to the human eye, it has the potential of perfect imaging, from an optical perspective, the retina. Once aberrations from the eye have been compensated, theoretical resolution achievable in the living retina is 2–3 μm.
Enrique Josua Fernández, Pablo Artal
openaire   +1 more source

Transfer of adaptation between ocular saccades and arm movements

Human Movement Science, 2008
Previous studies found little or no transfer of adaptation from reactive saccades to arm pointing movements, which suggests that the two motor systems rely on distinct adaptive mechanisms. However, this conclusion is based on experiments about the adaptation of response amplitudes, which is known to follow somewhat different principles than the ...
Otmar, Bock, Gerd, Schmitz, Valentina, Grigorova   +2 more
openaire   +2 more sources

Short-term vestibulo-ocular reflex adaptation in humans

Experimental Brain Research, 1994
We oscillated humans sinusoidally at 0.2 Hz for 1 h, using various combinations of rotations of the head and visual surround to elicit short-term adaptation of the gain of the vestibulo-ocular reflex (VOR). Before and after each period of training, the gain of the VOR was measured in darkness, in response to a position step of head rotation.
M, Shelhamer, C, Tiliket, D, Roberts, P D, Kramer, D S, Zee   +4 more
openaire   +2 more sources

Adaptive spatial compounding with warping on ocular imaging

2009 IEEE International Ultrasonics Symposium, 2009
Adaptive spatial compounding with warping, a nonrigid image registration method developed for needle guidance during an epidural anesthesia is tested on ocular imaging. Ten ex vivo bovine eyes were imaged in total. FWHM values of the pixel intensity along the corneal surface were calculated.
Leo Pan, Robert Rohling
openaire   +1 more source

Adaptation of ocular vergence to stimulation with large disparities

Experimental Brain Research, 1987
Ocular vergence movements were measured with a scleral coil technique under stabilized viewing conditions for disparity. Crossed disparity steps, ranging between 0.25 and 10 deg, of three different targets were imposed. Ocular vergence responses consisted of converging movements with an initially constant velocity.
openaire   +3 more sources

Maternal Ocular Adaptations during Pregnancy

Obstetrical & Gynecological Survey, 1987
R N, Weinreb, A, Lu, T, Key
openaire   +2 more sources

Domain adaptive multi-disease ocular disease recognition

Second International Conference on Biomedical and Intelligent Systems (IC-BIS 2023), 2023
Jiaying Zhang, Chao Hu, Qianru Yang, Xian Wang   +3 more
openaire   +1 more source