HIGHLIGHTS
- who: Emma K. L. Tivey from the The Roslin InstituteThe University have published the research: Sex differences in 50 kHz call subtypes emitted during tickling-induced playful behaviour in rats, in the Journal: Scientific Reports Scientific Reports
- what: This study provides evidence for the first time that tickled female rats produce more flat, rather than FM, 50 kHz USVs in response to tickling.
- how: The rats were held on a reversed 12-h light/12-h light dark cycle (lights on 0000 lights off 1200) and were tested in the tickling test arena . . .

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