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A Brain Mechanism underlying “Vision” in the Blind is Revealed

Researchers observed slow spontaneous fluctuations in the brain’s visual centers that preceded visual hallucinations in blind people

Two-photon microscope image of a direction-selective cell in a mouse retina (the cell and its dendritic tree are in red) and the starburst (green) cells surrounding that mediate the computation of motion direction

Direction-selection cells in the retina can flip their orientations

zebrafish eye

The iris in the zebrafish has a distinctive crystal structure that both camouflages the eye and prevents unwanted light from entering

 Locations of different opsins on the human sperm, viewed under a microscope, are revealed by labeling with a fluorescent antibody (bright yellow)

Proteins better known as visual sensors play a role in the heat-seeking movement of sperm...

To See or Not to See

Weizmann Institute scientists find a burst of neural activity at the transition between not seeing and seeing, revealing a clear threshold that...

Brittlestar is sensitive to changes in light

Weizmann Institute scientists discover that the brittlestar, long thought to be sightless, is all eyes

Seeing the Light

A light-absorbing protein in the retina changes shape faster than the blink of an eye

Windows on your Mind: Weizmann Institute Scientists Reveal That Imagination Can Enhance Visual Perception
REHOVOT, Israel - December 9, 1997 - Conjuring up images in the "mind's eye" enhances our ability to see...
Science Without Frontiers: Putting the Brain to Work

Neurobiologists and mathematicians join forces to unravel the riddle of object recognition

3-D Glasses for Robots

World media report: A clever double camera system turns 2-D to 3-D