办事指南

In brief : Early learning makes adult owls even wiser

点击量:   时间:2018-02-26 02:01:07

ADULT barn owls can draw on their experiences as chicks to help them learn, a neurobiologist at Stanford University in California says. Eric Knudsen fitted owls with prism goggles that shifted their field of view to the right. If the owls had worn the goggles in their first weeks of life, as adults they learnt to turn their heads to look to the left of a sudden noise, rather than face it directly. Adults that had not worn goggles as juveniles were unable to deal with prism vision (Science, vol 279, p 1531). “A normal adult can’t do this at all,” says Knudsen. Although it has never been proven,