منابع مشابه
Manual tracking in two dimensions.
Manual tracking was studied by asking subjects to follow, with their finger, a target moving on a touch-sensitive video monitor. The target initially moved in a straight line at a constant speed and then, at a random point in time, made one abrupt change in direction. The results were approximated with a simple model according to which, after a reaction time, the hand moved in a straight line t...
متن کاملFront Tracking in Two and Three Dimensions
Front Tracking is the combination of two distinct computational traditions. Its purpose is to enable high quality, relatively coarse grid mesh solutions for problems complicated by the presence of fronts, interfaces, and other discontinuities, which may be of considerable geometric complexity. The rst of the two algorithmic ideas used in front tracking is upwind diierencing, for uids, materials...
متن کاملManual maximum closing torque in three implant abutment systems
Background and Aims: Diferences whithin shape and size of hand wrenches in diferent systems could affect the torque applied. Therefore, evaluation of wrenches has been emphasized. The aim of the present study was to compare the torque values of the long and short torque wrenches in different implant systems including ITI, Implantium and Nobel Biocare. Materials and Methods: In this experimenta...
متن کاملAdaptation Asymmetry in Manual Tracking
A theory of manual adaptive control requires an understanding of the mechanisms by which human op erators alter their control strategies in response to changes in control conditions Here we show that signi cant asym metries in adaptation occur in a manual tracking task when well trained subjects are exposed to situations in which track preview lag of the controlled system or track bandwidth gra...
متن کاملOculomotor tracking in two dimensions.
Results from studies of oculomotor tracking in one dimension have indicated that saccades are driven primarily by errors in position, whereas smooth pursuit movements are driven primarily by errors in velocity. To test whether this result generalizes to two-dimensional tracking, we asked subjects to track a target that moved initially in a straight line then changed direction. We found that the...
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ژورنال
عنوان ژورنال: Experimental Brain Research
سال: 2005
ISSN: 0014-4819,1432-1106
DOI: 10.1007/s00221-005-0282-9