Fig. 3. Total number of behaviours displayed. (A) Frequency of yawns and gapes in all the experimental conditions (Close and Post-Close, Gape and Post-Gape, Yawn and Post-Yawn). (B) Frequency of yawns (left) and gapes (right) during the exposure and post exposure period (5 min each) (C) Time spent lying down (left) and looking at the android (right) during the exposure and post exposure period.
3/4 Additionally, while observing the #android yawning, some #chimpanzees engaged in behaviours associated with drowsiness (gathering bedding materials, lying down)
This suggests that #yawning observation may be a contextual cue for rest, rather than merely triggering a #MotorResonance response.
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