PCA analyses performed on the shape of the trajectories themselves. MadeoAndrea PirasPaolo ReFederica GabrieleStefano NardinocchiPaola TeresiLuciano TorromeoConcetta ChialastriClaudia SchiaritiMichele GiuraGeltrude EvangelistaAntonietta DominiciTania VaranoValerio ZacharaElisabetta Emilio PudduPaolo 2015 <p><b>PC1-PC2 and PC1-PC3 scatterplots are shown.</b> (A) Size and shape space. (B) Shape space.</p>