A Good Ear: Rats Identify Specific Sounds In Noisy Environments
Thursday, November 27, 2008 - 01:42
in Biology & Nature
Alex Martin placed rats in a partially echo-free, sound-proof chamber and simultaneously played two types of sounds: Gaussian sound (containing all frequencies) of 25 decibels and a pure sound (made up of one frequency). He found that auditory neurons respond to a pure sound even if there is background noise.