منابع مشابه
Perception and reproduction of force direction in the horizontal plane.
In this study, we evaluated the capacity of human beings to perceive and reproduce forces applied to the hand. We tested for perceptive distortions and/or privileged directions in the performance of these two tasks. Subjects resisted a reference force applied by a joystick in a given direction, with instructions to keep the hand at a constant position. In a perception task, subjects subsequentl...
متن کاملUp or down? Reading direction influences vertical counting direction in the horizontal plane – a cross-cultural comparison
Most adults and children in cultures where reading text progresses from left to right also count objects from the left to the right side of space. The reverse is found in cultures with a right-to-left reading direction. The current set of experiments investigated whether vertical counting in the horizontal plane is also influenced by reading direction. Participants were either from a left-to-ri...
متن کاملAccurate Modelling of Modern Photonic Devices with Complex Geometries in Transverse Plane and Longitudinal Direction
This paper reviews some key techniques for design of new high performance photonic devices and widely used optoelectronic components. The emphasis of this work is upon numerical simulation techniques for integrated photonics, based on the numerical solution of the 3D vector Helmholtz’s equation subject to open boundary conditions. In particular, the focus is on the beam propagation method (BPM)...
متن کاملMaintenance of rat head direction cell firing during locomotion in the vertical plane.
Previous studies have identified a subset of neurons in the rat anterodorsal thalamus (ADN) that encode head direction (HD) in absolute space and may be involved in navigation. These HD cells discharge selectively when the rat points its head in a specific direction (the preferred firing direction) in the horizontal plane. HD cells are typically recorded during free movement about a single hori...
متن کاملDiscrete movements in the horizontal plane as a function of their length and direction.
One of the motor reactions commonly involved in the operation of both military and civilian equipment is that of moving a limb (or limbs) as quickly as possible from one position in space to another. Normally, it is desired to terminate the movement at exactly the aimed-for point with a minimum of error and oscillation. The aerial gunner, for example, in tracking a moving target, is often calle...
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ژورنال
عنوان ژورنال: Nature
سال: 1871
ISSN: 0028-0836,1476-4687
DOI: 10.1038/005063a0