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Chris2048

Hmm, what is "behavioral variation within a single mouse and between mice"?

I get variation between mice, but is variation within a single mouse the range of behaviour?

Yes. Say today the mouse engages in 3 behaviors (groom, walk around edge of enclosure, then dart across it) but tomorrow spends the whole day huddled in the corner (1 behavior, not exhibited yesterday). That’s sort of what they mean by within mouse variability.

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