ABSTRACT

There have been many studies examining interlimb coordination during dual-tasking (e.g., Temprado, Monno, Laurent, & Zanone, 2001; Temprado, Zanone, Monno, & Laurent,1999; Pellechia, Shockley, & Turvey, 2005; Shockley & Turvey, 2006). These studies have produced conflicting results, however, regarding which parameters of the Haken, Kelso, and Bunz (1985) model of interlimb coordination are influenced by a secondary task. Some studies suggest that coordination stability for less stable coordination modes (specifically attractor strength for anti-phase coordination) is influenced by a concurrent cognitive task, while other studies suggest that coordination attractor location (specifically for in-phase coordination of asymmetric limbs) and neuromotor noise magnitude are influenced. Thus, the nature of cognitive influences on interlimb coordination dynamics remains contentious.