Photoreceptor Archives - Knowing Neurons

Feature image depicting a brain in the center of a circle with a visual illusion background. On the left is a hand, palm up, holding a heart. On the right, another hand is tentatively reaching out to grab it. Designed by Alexa Erdogan.

McKenna Becker April 8, 2020April 8, 2020 Bias, Blind spot, Cognition, Empathy, Illusion, Neuroplasticity, Optic nerve, Perception, philosophy, Photoreceptor, Politics, R.L. Gregory, Reality, Retina, Stroop Test, Top-Down Processing, V.S. Ramachandran, Visual Illusions

Understanding Visual Illusions Can Make Us More Empathetic

Philosophers and neuroscientists agree that if there is an objective reality, human beings can’t perceive it: philosophers refer to objective reality as a perception independent of any conscious awareness. Neuroscientists… Read More

Sensation and Perception

Kate Fehlhaber June 22, 2016June 30, 2017 Behavior, Blue, Brain, Color, Cone, Green, Hue, Mantis Shrimp, Nanometer, Photoreceptor, Physiology, Rainbow, Receptor, Red, Scientist, See, Sight, Spectral discrimination task, Vision, Yellow

The Spectacularly Colorful World of the Mantis Shrimp

Our eyes contain millions of color-sensitive cells, called cones, which maximally respond to red, green, and blue light. With just these three types of color receptors, we can see the… Read More

Brain Basics Sensation and Perception

Joel Frohlich July 1, 2015March 5, 2017 Blue, Cataract, Color, Cone, Eye, Frank Jackson, Gene therapy, Green, Lens, Light, Mantis Shrimp, Perception, Photoreceptor, Red, Retina, Ultraviolet, UV, Vision

Seeing Invisible Colors

What would the world be like without color? Imagine you are a neurophysiologist, who studies color perception. You know that light is a wave and that humans perceive color according… Read More

Now Available in Trichromatic Vision Knowing Neurons

Brain Basics Did You Know?Neuroscience Art Sensation and Perception

knowingneurons July 10, 2014March 5, 2017 Brain, Color, Color Blindness, Colorblind, Cone, Dichromat, Eye, Opsin, Photoreceptor, Photoreceptors, Retina, Trichromatic Theory, Vision, Wavelength

Now Available in Trichromatic Color!

“What is color?” What a good question! The answer is a bit tricky, but it starts with light. Color is the visual perception of different wavelengths of light reflecting off… Read More

Neuro News Neuroscience Technologies Sensation and Perception

Kate Fehlhaber March 5, 2014March 5, 2017 2014, Blind, Cis, DENAQ, Dirk Trauner, Endorphins, G-protein coupled receptor, Ganglion cell, Gene therapy, GPCR, Neuron, Pain, Photoisomerization, Photoreceptor, Photoswitch, Retinal, Retinal prosthesis, Richard Kramer, See, Senses, Stem cell, Trans, Vision

Turning On A “Photoswitch” Helps Blind Mice See The Light

Our senses connect us to the world. Your visual system lets you know that there is a yellow car ahead of you, and your auditory system lets you know that… Read More