ラットは気分が良いとくすぐったがる (VIDEO)

American Association for the Advancement of Science (AAAS)

Caption

ラットが不安な時（光がまぶしい、足場が高い）にくすぐられて出す超音波の声。音声信号は超音波の声を人間の可聴域に変換したもの

Credit

Shimpei Ishiyama & Michael Brecht

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