The Extended Mind: The Power of Thinking Outside the Brain

by Annie Murphy Paul

For example: scientists at Germany’s Max Planck Institute and elsewhere are experimenting with automatic “rapport detection” within groups. Sensors embedded in a conference room or in video-conferencing equipment unobtrusively monitor group members’ nonverbal behavior (their facial expressions, hand motions, gaze direction, and so on); these data are analyzed in real time to yield a measure of how well a group is cooperating. When rapport falls below a critical level, nudges can be applied to move the group toward greater cohesion: the system might alert the group’s leader that a shared coffee break is in order, or it might suggest to him, via a pop-up message, that he engage in more mirroring of his co-workers. Inside wired-up “smart meeting rooms,” it may even elect to raise the temperature by a few degrees, or introduce some soothing white noise.

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