Targeted isometric force impulses in patients with traumatic brain injury reveal delayed motor programming and change of strategy

摘要: Abstract The capability of quickly (as soon as possible) producing fast uncorrected and accurate isometric force impulses was examined to assess the motor efficiency patients with moderate severe traumatic brain injury (TBI) good recovery at a clinical evaluation. Twenty male right-handed TBI 24 age-matched healthy controls participated in study. experimental task required subjects aim brief targets visually presented along subjects' displays. Both were able produce whose mean peak amplitudes varied proportionally target load no detectable group difference. Patients TBI, however, slower than initiating their responses (reaction times [RTs] longer by 125 msec) also during execution responses, reaching forces requested 23 msec later (...