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59 results for “saccades”
Saccadic Reaction Time and Preterm Pre-eclampsia
ClinicalTrials.gov study NCT02613793. IPD Sharing: Not stated. Countries: 1. Publications: 11.
MRI Study of Saccadic Adaptation
ClinicalTrials.gov study NCT03488082. IPD Sharing: NO. Countries: 1. Publications: 1.
Covert Saccade Triggers in Bilateral Vestibular Hypofunction
ClinicalTrials.gov study NCT04268615. IPD Sharing: NO. Countries: 1. Publications: 3.
Data from: Predicted tracking error triggers catch-up saccades during smooth pursuit
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Eye saccades align optic flow with retinal specializations during object pursuit in freely moving ferrets
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Data from: Fixational saccade inhibition and pupil dilation during self-paced limb movement preparation
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Source data of "The effect of the Müller-Lyer configuration on saccadic eye movements is not fully due to illusory perception"
<p>Source data of Experiments 1, 2 and 3 in the article of <em>the effect of the Müller-Lyer configuration on saccadic eye movements is not fully due to illusory perception</em></p>
Fast saccadic eye-movements in humans suggest that numerosity perception is automatic and direct.
<p><span>Fast saccades are rapid automatic oculomotor responses to salient and ecologically important visual stimuli such as animals and faces. Discriminating the number of friends, foe or prey may also have an evolutionary advantage. In this study participants were asked to saccade rapidly towards the more numerous of two arrays. Participants could discriminate numerosities with high accuracy and great speed, as fast as 190 ms. Intermediate numerosities were more likely to elicit fast saccades than very low or very high numerosities. Reaction-times for vocal responses (collected in a separate experiment) were slower, did not depend on numerical range, and correlated only with the slow, not the fast saccades, pointing to different systems. The short saccadic-reaction times we observe are surprising given that discrimination using numerosity estimation is thought to require a relatively complex neural circuit, with several relays of information through parietal and pre-frontal cortex. Our results suggest that fast numerosity-driven saccades may be generated on a single feed-forward pass of information recruiting a primitive system that cuts through the cortical hierarchy and rapidly transforms the numerosity information into a saccade command.</span></p>
Data from: Interaction between stimulus contrast and pre-saccadic crowding
Objects that are briefly flashed around the time of saccades are mislocalized. Previously, robust interactions between saccadic perceptual distortions and stimulus contrast have been reported. It is also known that crowding depends on the contrast of the target and flankers. Here, we investigated how stimulus contrast and crowding interact with pre-saccadic perception. We asked observers to report the orientation of a tilted Gabor presented in the periphery, with or without four flanking vertically oriented Gabors. Observers performed the task either following a saccade or while maintaining fixation. Contrasts of the target and flankers were independently set to either high or low, with equal probability. In both the fixation and saccade conditions, the flanked conditions resulted in worse discrimination performance—the crowding effect. In the unflanked saccade trials, performance significantly decreased with target-to-saccade onset for low-contrast targets but not for high-contrast targets. In the presence of flankers, impending saccades reduced performance only for low-contrast, but not for high-contrast flankers. Interestingly, average performance in the fixation and saccade conditions was mostly similar in all contrast conditions. Moreover, the magnitude of crowding was influenced by saccades only when the target had high contrast and the flankers had low contrasts. Overall, our results are consistent with modulation of perisaccadic spatial localization by contrast and saccadic suppression, but at odds with a recent report of pre-saccadic release of crowding.
Eye movements' recordings, related to the manuscript 'Saccadic compression of time as a marker for Developmental Dyslexia'
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Dataset saccades eeg experiment
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Raw data -- Analysis of variance for fixation duration ,number of fixations ,pupil dilation ,saccadic amplitude of participants at different levels.
<p>原始数据 -- 分析不同水平参与者注视持续时间、注视次数、瞳孔扩张、扫视幅度的方差。</p>
Fast saccadic eye-movements in humans suggest that numerosity perception is automatic and direct.
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Data from: Interaction between stimulus contrast and pre-saccadic crowding
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Pharmacological Recruitment of Endogenous Neural Precursors to Promote Pediatric White Matter Repair: Establishing Correlations Between Visual Outcomes, Saccadic Function and MEG Oscillations in Child
ClinicalTrials.gov study NCT03010826. IPD Sharing: Not stated. Countries: 1. Publications: 0.
" The Eyes Have it " : Ocular Saccade Abnormalities in Prodromal Alzheimer's Disease
ClinicalTrials.gov study NCT01630525. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Data from: Interaction between the oculomotor and postural systems during a dual-task: compensatory reductions in head sway following visually-induced postural perturbations promote the production of accurate double-step saccades in standing human adults
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Pilot Study: Use of the Saccadometer to Detect Characteristic Saccadic Peak Velocity in Myasthenia Gravis Patients
ClinicalTrials.gov study NCT06501794. IPD Sharing: NO. Countries: 0. Publications: 0.
Comparative Efficacy of Saccadic and Biofeedback Training in Homonymous Hemianopia
ClinicalTrials.gov study NCT06638619. IPD Sharing: Not stated. Countries: 0. Publications: 0.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.