1.   Other theories on the significance of yawning have ranged from social cues to a craving for oxygen.

2.   Ratey said children with mild autism were often too uncoordinated to do sports and too poor at grasping social cues to have friends.

3.   Wearers of headsets and ear pieces may need to create social cues of a different sort.

4.   Women, says Gottman, are more attuned to social cues, and they pursue.

5.   Yet it is one thing to read and react to a variety of social cues, and another to express true empathy for a comrade in crisis.