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Summary: The mirror game as a paradigm for studying the
dynamics of two people improvising motion together
Lior Noya,b
, Erez Dekela
, and Uri Alona,1
a
Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot 76100, Israel; and b
Department of Systems Biology, Harvard Medical School,
Boston, MA 02115
Edited by Riitta Hari, Aalto University School of Science and Technology, Espoo, Finland, and approved November 9, 2011 (received for review May 29, 2011)
Joint improvisation is the creative action of two or more people
without a script or designated leader. Examples include improvisa-
tional theater and music, and day-to-day activities such as con-
versations. In joint improvisation, novel action is created, emerging
from the interaction between people. Although central to creative
processes and social interaction, joint improvisation remains largely
unexplored due to the lack of experimental paradigms. Here we
introduce a paradigm based on a theater practice called the mirror
game. We measured the hand motions of two people mirroring
each other at high temporal and spatial resolution. We focused on
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