“…As discussed throughout this article, behavioral measures of motor overflow also provide information regarding its kinetic characteristics, its relationship with voluntary movement, and the factors that may exaggerate or suppress it (Lazarus & Whitall, 1999;Uttner, Mai, Esslinger, & Danek, 2005). Furthermore, such measures may provide simple yet effective diagnostic tools for conditions such as psychogenic palsy, where a recent study demonstrated 100% sensitivity and specificity in discerning functional from organic paralysis of the upper limb using a finger abduction task (Tinazzi et al, 2008). Nevertheless, behavioral studies have limitations.…”