Melanie Ailin Basnak, Veronica Perez-Schuster, Gabriela Hermitte, and Martin Beron de AstradaMany animal species take advantage of polarization vision for vital tasks such as orientation, communication, and contrast enhancement. Previous studies have …
Posts Tagged ‘contrast sensitivity’
Polarized object detection in crabs: a two-channel system [RESEARCH ARTICLE]
Posted by Basnak, M. A., Perez-Schuster, V., Hermitte, G., de Astrada, M. B. on April 12th, 2018
Posted in Biology, Science General 
Tags: and horizontal orientations, Animals, Background, changes, channel, contrast, contrast enhancement, contrast sensitivity, detection, Enhancement, escape, escape response, horizontal, horizontal orientations, motion, object, Object Detection, obtained, Orientations, Polarization, Polarization Contrast, polarization contrast sensitivity, polarization vision, polarized, polarized object, polarized object detection, response, results, sensitivity, Stimulus, system, the polarization contrast, Vectors, vertical, vision 
No Comments »Visual resolution and contrast sensitivity in two benthic sharks [RESEARCH ARTICLE]
Posted by Ryan, L. A., Hart, N. S., Collin, S. P., Hemmi, J. M. on October 24th, 2016
Laura A. Ryan, Nathan S. Hart, Shaun P. Collin, and Jan M. HemmiSharks have long been described as having ‘poor’ vision. They are cone monochromats and anatomical estimates suggest they have low spatial resolution. However, there are no di…
Posted in Biology, Science General Tags: &lsquo, &lsquo poor&rsquo, Benthic, benthic sharks, contrast, contrast sensitivity, during swimming, Estimates, Gratings, low spatial resolution, movements, optokinetic, poor&rsquo, portusjacksoni, punctatum, resolution, resolution however, sensitivity, Sharks, spatial, Spatial Resolution, spatial resolution however, species, suggest, suggesting, Swimming, vision No Comments »20-minute zaps improve vision for 2 hours
Posted by Liz Entman-Vanderbilt on July 5th, 2016
Stimulating the visual cortex of the brain for 20 minutes with a mild electrical current […]
The post 20-minute zaps improve vision for 2 hours appeared first on Futurity.
Posted in Biology, Health, Science General Tags: 8217 visual acuity, Acuity, contrast, contrast sensitivity, Current, different, effects, experiment, Glasses, improve, Improve Vision, improved, improvement, information, minute, minute zaps improve, minutes, normal, People, processing, professor, Reinhart, research, researchers, sensitivity, several, showed, significant, simply, standard, stimulation, Stimulus, subjects, subjects& 8217 visual, system, the subjects& 8217, the visual system, university, Vanderbilt, Vanderbilt University, vision, visual, Visual Acuity, Visual Information, Visual System, zaps improve vision No Comments »
