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Psychomotor Performance (2)
Articles on Psychomotor Performance
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Active error corrections enhance adaptation to a visuo-motor rotation.
Exp Brain Res 211(1):97-108 (2011) PMID 21472441
We studied the role of active movements for adaptation to a visuo-motor rotation by way of adding external forces. In the first experiment we compared practice with target guidance and path guidance with a no-guidance control condition. With target guidance the arm was driven to the target on a stra... -
Gaze-centered spatial updating of reach targets across different memory delays
Vision Res 51(8):8 (2011) PMID 21219923
We want to test whether reach targets are updated relative to gaze following different time delays. Reaching endpoints systematically varied as a function of gaze relative to target irrespective of whether the action was executed immediately or after a delay of 5 s, 8 s or 12 s. The present results... -
Self-motion perception and vestibulo-ocular reflex during whole body yaw rotation in standing subjects: The role of head position and neck p...
Hum Mov Sci 30(2):19 (2011) PMID 21277644
Self-motion perception and vestibulo-ocular reflex (VOR) were studied during whole body yaw rotation in the dark at different static head positions. Rotations consisted of four cycles of symmetric sinusoidal and asymmetric oscillations. Self-motion perception was evaluated by measuri... -
Prehension of half-full and half-empty glasses: time and history effects on multi-digit coordination.
Exp Brain Res 209(4):571-85 (2011) PMID 21331525 PMCID PMC3232442
We explored how digit forces and indices of digit coordination depend on the history of getting to a particular set of task parameters during static prehension tasks. The participants held in the right hand an instrumented handle with a light-weight container attached on top of the handle. At the be... -
Weekend alcoholism in youth and neurocognitive aging.
Psicothema 23(2):209-14 (2011) PMID 21504671
We investigated whether alcohol abuse by young people (binge drinking) causes alterations comparable to some found in elderly people. Ninety-one people were divided into four groups: a) young people who abused alcohol; b) young people who drank alcohol in moderation; c) young people who did not drin... -
Hazard perception of motorcyclists and car drivers
Accid Anal Prev 43(3):4 (2011) PMID 21376844
The current study compares hazard perception (HP) performance of 50 male drivers with and without a motorcycle license in order to generalize results. A video-based HP test, measuring reaction times to traffic scenes, was administered to these two groups of drivers. Participants with a motorcycle lic... -
RasGrf1 deficiency delays aging in mice.
Aging (Albany NY) 3(3):262-76 (2011) PMID 21422498
We observed that mice deficient for RasGrf1(-/-) display an increase in average and most importantly, in maximal lifespan (20% higher than controls). This was not due to the role of Ras in cancer because tumor-free survival was also enhanced in these animals. Aged RasGrf1(-/-) displayed better motor... -
Observation learning versus physical practice leads to different consolidation outcomes in a movement timing task.
Exp Brain Res 209(2):181-92 (2011) PMID 21279634
We tested whether consolidation also occurs following observation. In Experiment 1, participants observed an expert model perform a sequence of arm movements. Although we found evidence of observation learning, no significant difference was revealed between participants asked to reproduce the observ... -
Reliable- and unreliable-warning cues in the Sustained Attention to Response Task.
Exp Brain Res 209(3):401-7 (2011) PMID 21287153
We examined the impact that warning signals, reliable and unreliable, have on SART performance. Eighteen participants performed a no-warning, reliable-warning, or unreliable-warning SART. Response times were faster, errors of commission lower, but errors of omission higher in the reliable-warning SA... -
How does our search engine "see" the world? The case of amodal completion.
Atten Percept Psychophys 73(4):1054-64 (2011) PMID 21331672
We show that orientation based on perceptually compelling amodal completion may fail to guide attention. The broader conclusion is that introspection is a poor guide to the capabilities of our internal search engine....
