marginally significantp = 0.053
The results confirmed that the PD participants had imagery slowing ( T (29) = 4.0, p = 0.004; F max not available from two controls and two PD participants) and calculation slowing ( T (31) = 4.9, p = 0.0003), and marginally significant motor slowing ( T (31) = 2.1, p = 0.053).