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Tarsiers’ Bulging Eyes Shed Light On Evolution of Human Vision
After eons of wandering in the dark, primates developed highly acute, three-color vision that permitted them to shift to daytime living, a new Dartmouth College study suggests.
The findings challenge the prevailing view that trichromatic color vision, a hallmark of primate evolution, evolved only after they started getting up with the sun, a shift that gave rise to anthropoid (higher) primates, which, in turn, gave rise to the human lineage. The results are published in the journal Proceedings of the Royal Society B: Biological Sciences.
The authors based their findings on a genetic study of tarsiers, the enigmatic elfin primate that branched off early on from monkeys, apes and humans. Tarsiers have a number of unusual traits — from their ability to communicate in the pure ultrasound to their iconic bulging eyes. Such sensory specializations have long fueled debate on the adaptive origins of anthropoid primates. (Keep reading)
| image credit: Dartmouth College
This photo with 135 notes was posted 1 year ago on the 10th of April, 2013.
Tags: #nature #Science #Evolution of Human Vision #Tarsiers

Tarsiers’ Bulging Eyes Shed Light On Evolution of Human Vision

After eons of wandering in the dark, primates developed highly acute, three-color vision that permitted them to shift to daytime living, a new Dartmouth College study suggests.

The findings challenge the prevailing view that trichromatic color vision, a hallmark of primate evolution, evolved only after they started getting up with the sun, a shift that gave rise to anthropoid (higher) primates, which, in turn, gave rise to the human lineage. The results are published in the journal Proceedings of the Royal Society B: Biological Sciences.

The authors based their findings on a genetic study of tarsiers, the enigmatic elfin primate that branched off early on from monkeys, apes and humans. Tarsiers have a number of unusual traits — from their ability to communicate in the pure ultrasound to their iconic bulging eyes. Such sensory specializations have long fueled debate on the adaptive origins of anthropoid primates. (Keep reading)

| image credit: Dartmouth College

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