Snakes leave lingering imprint on primate genes
Another study distributed in the diary Proceedings of the National Academy of Sciences seems to affirm a hypothesis that the advancement of sharp vision in our progenitors was to some extent determined by the danger of snakes.
Lynne Isbell, an educator of human studies at the University of California, Davis, initially put forward the hypothesis in her 2006 book The Fruit, the Tree, and the Serpent.
Isbell's book clarifies that cutting edge warm blooded animals and snakes enormous enough to consume them advanced at about the same time, 100 million years back. Venomous snakes are considered 60 million years back
- "waylay predators" that have from that point forward imparted the trees and prairies to primates.
In the book, she contended that our primate predecessors advanced exact, short proximity vision basically to spot and keep away from perilous snakes.
Nishijo's lab studies the neural systems answerable for feeling and fear in rhesus macaque monkeys.
The new study, headed by neuroscientists Hisao Nishijo and Quan Van Le at Toyama University (Japan), shows that there are particular nerve units in the brains of rhesus macaque monkeys that emphatically react to pictures of snakes.
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