Absorption and Space Reddening in the Galaxy as Shown by the by Stebbins J.

By Stebbins J.

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Expansion and contraction stimuli were presented interleaved in pseudorandomized order. MULTISENSORY SELF-MOTION 165 Figure 1. Optic flow responses in area VIP. The two histograms show the responses of a single VIP neuron to an expansion stimulus (left) and a contraction stimulus (right). Raster displays (spike trains) indicate the response on a single trial basis. The tick marks in the spike trains indicate stimulus onset (1st tickmark), motion onset (2nd tickmark), motion offset (3rd tickmark), and stimulus offset (4th tickmark).

B. (1966). Human spatial orientation. London: Wiley. N. (1970). Cells sensitive to binocular depth in area 18 of the macaque monkey cortex. Nature, 225, 41–42. , & Heinke, D. (1998). Spatial representation and selection in the brain: Neuropsychological and computational constraints. Visual Cognition, 5, 9–41. J. (2001). The neuropsychology of visual object and space perception. ), Blackwell handbook of perception (pp. 204–236). Oxford, UK: Blackwell. , & Ackroyd, K. (2004). Action influences spatial perception: Neuropsychological evidence.

A third experiment studied the effect of a prominent background frame on transsaccadic localization; the results suggest that background structures contribute only little to transsaccadic localization. LANDMARKS IN VISUAL STABILITY 175 When the eye fixates an area in the visual field, the visual system has only access to a very restricted part of the scene, since high resolution and elaborated processing capabilities are limited to a narrow region around the central fovea. Therefore, saccadic eye movements are required that bring different regions of the world into the foveal region of the retina.

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