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. 2016 Mar 9;10:43. doi: 10.3389/fnbeh.2016.00043

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Copyright © 2016 Garbarini, Mastropasqua, Sigaudo, Rabuffetti, Piedimonte, Pia and Rocca.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Examples of the right hand trajectories in schizophrenic case (below) and a control subject (above) in Unimanual Lines (UL), Bimanual Circles and Lines (BCL) and Observation Circles (OC) conditions. The Ovalization Index (OI) is reported inside each of the plots, at bottom left, and in BCL and OC conditions it is reported, at bottom right, also the percent ratio relative to the UL condition. Both control and case show the expected ovalization in the BCL condition, but, when considering the Observative condition, only the case shows a residual ovalization.