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Blind humans lacking rods and cones retain normal responses to nonvisual effects of light
In addition to allowing us to see, the mammalian eye also detects light for a number of “non-visual” phenomena. A prime example of this is the timing of the sleep/wake cycle, which is synchronized by the effects of light on the circadian pacemaker in the hypothalamus.
In addition to allowing us to see, the mammalian eye also detects light for a number of “non-visual” phenomena. A prime example of this is the timing of the sleep/wake cycle, which is synchronized by the effects of light on the circadian pacemaker in the hypothalamus.
Source: EurekAlert
Posted on: Friday, Dec 14, 2007, 9:40am
Views: 1132
Posted on: Friday, Dec 14, 2007, 9:40am
Views: 1132
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