Dark adaptation is a research area in visual neuroscience that investigates the physiological and psychophysical processes by which the visual system regains sensitivity after exposure to bright light and subsequent transition to low-luminance conditions. Studies focus on the time course and mechanisms of photoreceptor recovery, particularly the differential contributions of cones and rods, photopigment regeneration in the outer segments, and changes in retinal circuitry and gain control. Experimental approaches typically include threshold measurements, electroretinography, and imaging or molecular techniques to elucidate the underlying biochemical pathways, receptor dynamics, and their modulation by genetic, pharmacological, or pathological factors.
The deep sea is cold, dark and under immense pressure. Yet life has found a way to prevail there, in the form of some of Earth's strangest creatures.
Ecology
Feb 14, 2026
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325
Dorota Skowronska-Krawczyk sits in her office, eyes fixed on the computer monitor in front of her. "You see it move its eye," says the UC Irvine associate professor of physiology and biophysics, pointing to an image of a ...
Plants & Animals
Jan 5, 2026
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1324
A scene straight out of a horror movie greeted researchers when they shined lights on a dark Georgia swamp and saw hundreds of red eyes staring back, photos show.
Ecology
Sep 4, 2025
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145
Sometimes serendipity happens in science. Whether it's an apple falling from a tree or a melting chocolate bar, some of the world's greatest discoveries come from happy accidents, even if their stories may be apocryphal. ...
Astronomy
Jul 22, 2025
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66
In blinding bright light or pitch-black dark, our eyes can adjust to extreme lighting conditions within a few minutes. The human vision system, including the eyes, neurons, and brain, can also learn and memorize settings ...
Nanophysics
Jul 1, 2025
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56
Our sensory systems are highly adaptable. A person who cannot see after turning off a light in the night slowly achieves superior power to see even small objects. Women often attain a heightened sense of smell during pregnancy. ...
Bio & Medicine
Jan 26, 2024
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68
A team of scientists from the University of California, Irvine, believe they have discovered a special antibody which may lead to a treatment for retinitis pigmentosa, a condition that causes loss of central vision, as well ...
Bio & Medicine
Aug 31, 2023
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237
