A simple and inexpensive method of monitoring the movement of an isolated frog heart provides comparable results to those obtained with a force transducer. A commercially available photoresistor is ...

Noise in the responses of cone photoreceptors sets a fundamental limit on visual sensitivity, yet the origin of noise in mammalian cones and its relation to behavioral sensitivity are poorly ...

In a healthy retina, this transformation (“visual phototransduction”) is performed by the photoreceptor cells—the rods and cones.

Genetic link between visual pathways of hydras and humans discovered Date: March 5, 2012 Source: University of California - Santa Barbara Summary: What good is half an eye? Evolutionary biologists ...

Biological Bulletin, Vol. 233, No. 1, SPECIAL ISSUE: New insights from Genetic Data Sets on the Function and evolution of Visual Systems (August 2017), pp. 58-69 (12 pages) Visual pigments, each ...

Adults with a genetic form of childhood-onset blindness experienced striking recoveries of night vision within days of receiving an experimental gene therapy.