2009年04月28日

赤ちゃんの視力

アメリカの研究より。

赤ちゃんは2ヶ月目くらいから色が判別できてきて、
まずは黄色との緑、4ヶ月目くらいから青がわかるらしい。
あと、半年くらいまでは動いているものは形の認識できるけど
止まってるものは形がよく分からないらしい。
だから動いているものに反応するらしい。たしか、すごい昔の話だけど、
小さい子供は顔の認識能力がまだ不安定で、
7〜9歳(ちょっと忘れた。たしかこの辺り)くらいまでは親の顔ですら
記憶違いで間違うことがあるらしい。
つまり、何かの事件の時に目撃情報としての説得力に欠けるとのこと。


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