The experiment was elegant in its simplicity. Using a toy lion and a toy zebra, Barrett asked each child, “When the lion sees the zebra, what does the lion want to do?” The results were surprising: 75 percent of the three-year-olds in both groups answered with some variation of “The lion wants to chase/bite/kill the zebra.” (It must be remembered

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Babies lack exteroception and only experience different states of alertness like anxiety through interoception.