Recording of eye signals
NZPA Chicago A new understanding of why the sky looks blue and the grass green may come from Stanford University, where scientists have made the first recordings of electrical signals from the colour detection cells in the human eye.
The work by Dr Denis Baylor and colleagues may also explain how light is converted into electrical signals by the retina of the eye. The new work shows how photoreceptor cells in the eye called “cones” convert red, green and blue light into electrical
signals to the brain. The work was done by isolating individual cone cells from a human retina and hooking the cells to amplifying equipment for measuring the electrical signals produced by the cells as light of varying wavelengths were shone on them.
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Press, 5 March 1987, Page 31
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129Recording of eye signals Press, 5 March 1987, Page 31
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