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4 results for “Fixation eye movement”
Discrimination of curvature from motion during smooth pursuit eye movements and fixation
<p>One folder contains all the data for the main experiment. In the folder you can find a file dataREADME, which explains the format and the content of the individual files. A second folder contains the data files for the additional control experiment with shorter presentation durations. The structure of the data is the same. It includes two folders. One which constains the perceptual data for the shorter presentation durations and one with eye traces of the same participants for the oculometric thresholds. The name of the folder indicates also the length of the presentation duration, either 150 or 300 ms.</p>
Data from: Fixational eye movements predict visual sensitivity
During steady fixation, observers make small fixational saccades at a rate of around 1-2 per second. Presentation of a visual stimulus triggers a biphasic modulation in fixational saccade rate – an initial inhibition followed by a period of elevated rate and a subsequent return to baseline. Here we show that, during passive viewing, this rate signature is highly sensitive to small changes in stimulus contrast. By training a linear support vector machine to classify trials in which a stimulus is either present or absent, we directly compared the contrast sensitivity of fixational eye movements with individuals' psychophysical judgements. Classification accuracy closely matched psychophysical performance and predicted individuals' threshold estimates with less bias and overall error than those obtained using specific features of the signature. Performance of the classifier was robust to changes in the training set (novel subjects and/or contrasts) and good prediction accuracy was obtained with a practicable number of trials. Our results indicate a tight coupling between the sensitivity of visual perceptual judgements and fixational eye control mechanisms. This raises the possibility that fixational saccades could provide a novel and objective means of estimating visual contrast sensitivity without the need for observers to make any explicit judgement.
Training to Modify Fixational Eye Movements for Optimizing Visual Performance in People With Central Vision Loss
ClinicalTrials.gov study NCT06670989. IPD Sharing: NO. Countries: 1. Publications: 0.
Data from: Fixational eye movements predict visual sensitivity
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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.
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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.