Blais C, Kerr R
School of Human Kinetics, University of Ottawa, Ontario, Canada.
Percept Mot Skills. 1990 Aug;71(1):161-2. doi: 10.2466/pms.1990.71.1.161.
A nonballistic coincident timing task was used to assess to what extent retarded subjects could use spatial and temporal information to plan their movements. Subjects did not just respond to events but appeared able to modify/plan their responses, given sufficient time.