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Summary: THE ANATOMICAL RECORD 293:11921206 (2010)
Muscle Architecture in the Mystacial Pad
of the Rat
SEBASTIAN HAIDARLIU,1* EREZ SIMONY,1
DAVID GOLOMB,2
AND EHUD AHISSAR1
1
Department of Neurobiology, The Weizmann Institute of Science, Rehovot, Israel
2
Department of Physiology, Zlotowski Center for Neuroscience, Ben-Gurion University of
the Negev, Beer-Sheva, Israel
ABSTRACT
The vibrissal system of the rat is an example of active tactile sensing,
and has recently been used as a prototype in construction of touch-ori-
ented robots. Active vibrissal exploration and touch are enabled and con-
trolled by musculature of the mystacial pad. So far, knowledge about
motor control of the rat vibrissal system has been extracted from what is
known about the vibrissal systems of other species, mainly mice and
hamsters, since a detailed description of the musculature of the rat mys-
tacial pad was lacking. In the present work, the musculature of the rat
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