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13 results for “size perception”
Data set for article Veto, P., Einhäuser, W., & Troje, N.F. (2017). Biological motion distorts size perception. Scientific Reports, 7, 42576.
<p>In this data set you find 3 files containing data from Experiments 1, 2 & 3 of Veto P, Einhauser W & Troje NF (2017) Biological motion distorts size perception. Scientific Reports, 7, 42576; doi: 10.1038/srep42576</p> <p><br> The data are freely available for academic use only. If you use these data for a publication, please cite the aforementioned article.<br> If you have any questions regarding the data, please do not hesitate to contact Peter Veto at vettop@gmail.com</p> <p>Each row of the files contain data from one trial.<br> Columns:</p> <p>Experiment 1<br> 1 - Participant number<br> 2 - Block number<br> 3 - Trial number<br> 4 - Target orientation (1: Upright; -1: Inverted)<br> 5 - Stimulus width<br> 6 - Stimulus height<br> 7 - Response width<br> 8 - Response height</p> <p>Experiment 2<br> 1-8 Same as Experiment 1<br> 9 - Condition: dynamic (1) or static (2) target</p> <p>Experiment 3<br> 1 - Participant number<br> 2 - Block number<br> 3 - Trial number<br> 4 - Walker orientation<br> (1: upper walker upright, lower walker inverted;<br> 2: upper walker inverted, lower walker upright)<br> 5 - Condition<br> (1: upper target larger (21%) than lower target;<br> 2: upper target larger (10.5%) than lower target;<br> 3: target sizes are identical;<br> 4: lower target larger (10.5%) than upper target;<br> 5: lower target larger (21%) than upper target)<br> 6 - Inter stimulus interval (from end of walker presentation to onset of target circles)<br> (1: 17ms; 2: 100ms)<br> 7 - Response<br> (1: upper target was larger;<br> 2: lower target was larger)</p>
Cortical idiosyncrasies predict the perception of object size
<p>This archive contains preprocessed pRF data from our manuscript "Cortical idiosyncrasies predict the perception of object size" (originally name "Mapping the subjective experience of object size"). This has been published in Nature Communications in 2016: http://www.nature.com/ncomms/2016/160630/ncomms12110/full/ncomms12110.html. Stimulus presentation and data analysis code is available on FigShare: https://dx.doi.org/10.6084/m9.figshare.1579442.v5</p>
data set related to article Independent adaptation mechanisms for numerosity and size perception provide evidence against a common sense of magnitude
<p>This record contains raw data related to article Independent adaptation mechanisms for numerosity and size perception provide evidence against a common sense of magnitude</p>
Data from: Familiar size affects perception differently in virtual reality and the real world
<p>The promise of virtual reality as a tool for perceptual and cognitive research rests on the assumption that perception in virtual environments generalizes to the real world. Here, we conducted two experiments to compare size and distance perception between virtual reality and physical reality (Maltz et al., 2021). In Experiment 1, we used virtual reality (VR) to present dice and Rubik's cubes at their typical sizes or reversed sizes at distances that maintained a constant visual angle. After viewing the stimuli binocularly (to provide vergence and disparity information) or monocularly, participants manually estimated perceived size and distance. Unlike physical reality, where participants relied less on familiar size and more on presented size during binocular vs. monocular viewing, in VR participants relied heavily on familiar size regardless of the availability of binocular cues. In Experiment 2, we demonstrated that the effects in VR generalized to other stimuli and to a higher-quality VR headset. These results suggest that the utility of binocular cues and familiar size differs substantially between virtual and physical reality. A deeper understanding of perceptual differences is necessary before assuming that research outcomes from VR will generalize to the real world.</p>
Data from: Familiar size affects perception differently in virtual reality and the real world
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Data from: Idiosyncratic perception: a link between acuity, perceived position and apparent size
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Action-based predictions affect visual perception, neural processing, and pupil size, regardless of temporal predictability
<p>Data supporting the findings in:</p> <p>Lubinus, C., Einhäuser, W., Schiller, F., Kircher, T., Straube, B., & van Kemenade, B. M. (2022). Action-based predictions affect visual perception, neural processing, and pupil size, regardless of temporal predictability. <em><strong>NeuroImage</strong>. DOI: XXX</em></p> <p>Details are specified in the readme file.</p>
Port Size and Post-Operative Pain Perception by Patients
ClinicalTrials.gov study NCT02521987. IPD Sharing: Not stated. Countries: 1. Publications: 4.
Biopsy Size and Pain Perception During Colposcopic Biopsy
ClinicalTrials.gov study NCT03279666. IPD Sharing: Not stated. Countries: 1. Publications: 1.
A Pilot Study of Needle Size and Pain Perception With Botulinum Toxin A Injections
ClinicalTrials.gov study NCT01981174. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Data from: Perception of contextual size illusions by honeybees in restricted and unrestricted viewing conditions
How different visual systems process images and make perceptual errors can inform us about cognitive and visual processes. One of the strongest geometric errors in perception is a misperception of size depending on the size of surrounding objects, known as the Ebbinghaus or Titchener illusion. The ability to perceive the Ebbinghaus illusion appears to vary dramatically among vertebrate species, and even populations, but this may depend on whether the viewing distance is restricted. We tested whether honeybees perceive contextual size illusions, and whether errors in perception of size differed under restricted and unrestricted viewing conditions. When the viewing distance was unrestricted, there was an effect of context on size perception and thus, similar to humans, honeybees perceived contrast size illusions. However, when the viewing distance was restricted, bees were able to judge absolute size accurately and did not succumb to visual illusions, despite differing contextual information. Our results show that accurate size perception depends on viewing conditions, and thus may explain the wide variation in previously reported findings across species. These results provide insight into the evolution of visual mechanisms across vertebrate and invertebrate taxa, and suggest convergent evolution of a visual processing solution.
To Measure Pain Perception With Electronic Pressure Algometer of Different Size Probes : a Healthy Subjects Research
ClinicalTrials.gov study NCT01618942. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Data from: Perception of contextual size illusions by honeybees in restricted and unrestricted viewing conditions
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Allen Brain Atlas
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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.