Do Animals Dream? With David M. Peña-Guzmán
Big Brains
The Effects of Electrical Activity on Sleep
A study of zebra finches from 2000 showed that the same electrical activity that happens when they sing their birdsong while awake on occasion will also happen when they sleep. Pinyogusman argues that this means we can safely infer that they are dreaming about singing. Other electrophysiological studies provide further evidence. For instance, we can also learn about animal dreams by looking at the way electrical activity cycles during sleep.
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