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Fig. 1 | BMC Neuroscience

Fig. 1

From: Yawning reduces facial temperature in the high-yawning subline of Sprague-Dawley rats

Fig. 1

Higher expression of spontaneous yawning frequency in high-yawning (HY) subline is stable after adaptation period. HY rats yawned 283 times during the observation period (50 min). Yawning frequency was stable between 15 and 55 min, with a mean value of 3.7 yawns/5 min, being different only in the first 5-min period with respect to the whole observation period (*P < 0.05)

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BMC Neuroscience

ISSN: 1471-2202

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