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Percentage of the two yawn morphologies Y2 (Phase 1 + Phase 2 + Phase 3) and Y3 (Phase 2 + Phase 3) in relation to: (a) Yawner posture (dark‐gray bars indicate sitting/laying down posture; light‐gray bars indicate standing/walking posture); (b) individual context (dark‐gray bars indicate the relaxed context; light‐gray bars indicate the aroused context). See Table 2 for the statistical results
