Jun 19, 2005 - in receptive fields of many visual areas at the time of saccades. ..... Medical Research Council and the Australian Research Committee and by ...

Apparatus and Stimuli. The stimuli were presented on a Prince- ton SR-12 ... In the dim condition, all stimuli appeared in the dark gray available on the computer.

mechanism, whether biological or computational, is likely to have receptive field(s) .... movement of an entire contour or object within an aperture by applying a ..... When a pattern of large saw teeth is placed on the edge of the illusory square ..

invariance property: either (a) the goal is reconstructed and memorized in the stable frame of reference linked to the environment ("allocentric coordinates") or (i) ...

would be aligned if the targets were superimposed. With such an alignment the horizontal eccentricities of the five fully-completed triangles ranged between 212.

tween the presentation of target 2 and the eye movement. K.S. Karn (u) · M.M. Hayhoe. Center for Visual Science and Department of Brain and Cognitive.

Mar 4, 1975 - first reading. may be exposed for long periods, so that there is no ..... late responses comprise a distinct, abnormally late, popula- tion and are ...

Abstract-A target presented as a gash in darkness, before, during or after a saccade. elicits a subsequent goal-directed saccade of normal amplitude and ...

perceived shift in position was equivalent to the ... and to report whether or not it had appeared to shift. ... remem~red position of the point following the ini-.

Apr 6, 2008 - pathways that originate in the saccade-related raphe complex and ..... Finally, simultaneous application of GABA to ... Analysis of the timing of.

polarity alternation, standard speed, standard intensity” ... is a shape with a bump in the upper-middle of ..... give precise details about his stimuli, but it was.

errors (defined as the standard deviation of the signed errors) were computed to assess the precision of each subject's judged distances, for example, whether ...

the “language of pictures” must be learned through experience (Gom- brich, 1969, 1974 ... reported one child's attempts to grasp objects pictured in a book. The infants and .... The final study reported here examined the developmental course of m

retain behaviorally relevant features of visual stimuli. Science 212: 952– of inferior temporal neurons in macaque. J. Neurophysiol. 60: 344–364,. 955, 1981.

performance in the behavioral tasks, and the rats showed no obvious ... in case of the slightest indication of health problems, returned to ad .... Screening.

5. Findings that challenge the model or limit its scope, and wbratto do about them. 6. ... information is stored and how it is coded and organized (see, e.g. Landauer and .... As we shall see later, this finding has new importance in relation to some

Present address: Laboratorio di Neurofisiologia del CNR, Via S. Zeno, 51-56100 Pisa, Italy. Fig 1 Vision through a. 125-ms temporal window. Although much ...

any given moment (Loomis, in press; Philbeck, Loomis, & Beall, 1997). This per- ..... Cambridge, MA: MIT Press. Cutting, J. E. ... Flach, J. Caird, & K. J. Vicente (Eds.), Local applications ofthe ecological approach to human-mach systems, Vol.

3. SUBJECTS and GENERAL PROCEDURE. 3-1. Subjects. 98 sighted and 35 blind subjects took part in two sets of experiments. 9. (Ono, 1960). 10. (1953). 11.

three distances (4, 10, and 16 cm) and five velocity instructions. These 15 trials were ..... RAND (1967) Effect of speed of movement on tactual - kinesthetic ...

Oct 22, 2015 - Department of Psychology, University of Nevada, Reno, Reno, Nevada ..... understanding of the importance of natural image statistics for all ...

study of gait or any other system of events should consider the ... irreversible events, (3) rigid vs plastic events, and. (4) events ... pass across the viewing field. The camera was ... The viewers' answers to the question "How did you recognize ..

depends in large part on proprioceptive input to the ..... control and ignoring conditions were not abnormally long. The response latencies of the non-RD patients ...

systematic effects on saccadic behaviour, and to compare their effects with the .... During D.A., saccadic amplitude was estimated on the basis of the first .... the AI, although this may be opposite tu the direction shown with a fovea1 AI (Table 4~