Results 11 to 20 of about 59,407 (333)
Effect of Saccadic Adaptation on Sequences of Saccades
Accuracy of saccadic eye movements is maintained thanks to adaptation mechanisms. The adaptive lengthening and shortening of reactive and voluntary saccades rely on partially separate neural substrates.
Muriel Panouillères+3 more
doaj +5 more sources
Saccadic Disinhibition on the Saccade Trace
It has generally thought that information from the eyes is made available during a fixation, but not during a saccade when reading. Some researchers even suggested the duration of saccades should be subtracted from the reading time in eye movement ...
Hongmei Yan, Hao Zhang
doaj +3 more sources
A Vertical Asymmetry in Saccades
Visual exploration of natural scenes imposes demands that differ between the upper and the lower visual hemifield. Yet little is known about how ocular motor performance is affected by the location of visual stimuli or the direction of a behavioural ...
Mathias Abegg+2 more
doaj +4 more sources
The programming of sequences of saccades [PDF]
Saccadic eye movements move the high-resolution fovea to point at regions of interest. Saccades can only be generated serially (i.e., one at a time). However, what remains unclear is the extent to which saccades are programmed in parallel (i.e., a series
A Mokler+45 more
core +10 more sources
Saccadic suppression in schizophrenia [PDF]
AbstractAbout 40% of schizophrenia patients report discrete visual disturbances which could occur if saccadic suppression, the decrease of visual sensitivity around saccade onset, is impaired. Two mechanisms contribute to saccadic suppression: efference copy processing and backwards masking. Both are reportedly altered in schizophrenia.
Lencer, R. (Rebekka)+5 more
openaire +6 more sources
Geometry of saccades and saccadic cycles
The paper is devoted to the development of the differential geometry of saccades and saccadic cycles. We recall an interpretation of Donder's and Listing's law in terms of the Hopf fibration of the $3$-sphere over the $2$-sphere. In particular, the configuration space of the eye ball (when the head is fixed) is the 2-dimensional hemisphere $S^+_L ...
Alekseevsky, D. V., Shirokov, I. M.
openaire +2 more sources
Saccades and drifts differentially modulate neuronal activity in V1: Effects of retinal image motion, position, and extraretinal influences [PDF]
In natural vision, continuously changing input is generated by fast saccadic eye movements and slow drifts. We analyzed effects of fixational saccades, voluntary saccades, and drifts on the activity of macaque V1 neurons.
Gur, Moshe+2 more
core +1 more source
Abstract Epilepsy is a heterogeneous disorder characterized by spontaneous seizures and behavioral comorbidities. The underlying mechanisms of seizures and epilepsy across various syndromes lead to diverse clinical presentation and features. Similarly, animal models of epilepsy arise from numerous dissimilar inciting events.
Melissa Barker‐Haliski+3 more
wiley +1 more source
The Role of Neck Input in Producing Corrective Saccades in the Head Impulse Test
BackgroundThe head impulse test is a valuable clinical test that can help identify peripheral vestibular dysfunction by observing corrective saccades that return the eyes to the target of interest.
Shinichi Iwasaki+5 more
doaj +1 more source
Modulation of saccade trajectories during sequential saccades
We show that in saccade sequences, saccade trajectory is modulated in the direction of the preceding saccade and away from the following saccade. The magnitude of this effect is correlated with preceding and following saccade amplitude. This confirms that programming of sequential saccades overlaps.
Reza Azadi+2 more
openaire +3 more sources