Nov 5, 1998 - Dobson, A. & Crawley, M. J. Pathogens and the structure of plant communities. TREE 9 .... performance is slower and less accurate as target eccentricity increases, due ... filters, each tuned to a band of spatial frequencies9,17.

haps the only common factor being that all concern the selective processing .... sensory pathways are typically crossed", so that information from one side.

pursuit, which might be used to compensate for the prima- ry deficit of smooth ...... Ross DE, Thaker GK, Holcomb HH, Cascella NG, Medoff DR,. Tamminga CA ...

Received: 27 January 1997 / Accepted: 26 November 1997 .... 1 Scheme of internally generated (predictive) and externally ..... Suppose that the visually.

will provide an organizing principle for this chapter, is whether attention is goal-driven ..... attention were observed leave us with a puzzle: why did Mertens, and ..... In summary, the studies reviewed in this section suggest that, although attent

Examples of such relative motion effects are provided ... on the basis of these results that attention can ..... vertical are shown in Table 1 for both the neutral ...

ABSTRACT This chapter is divided into three parts. In the first part ..... attention for space, for object attributes, or for language. ..... Another finding of great interest is the temporal course of the enhancement effect. ..... In addition there

Motion Awareness in Man. Thomas ..... of visual stability in man. We made use of the fact .... Ten students (one female and nine males aged between. 21 and 28 ...

photograph (as an object) as a flat thing, although one is often barely ..... lighting of a scene is particularly interesting because of its many links with art history.

Boston, USA. Loosely following William James, we can assert that everyone knows that visual search tasks are because everyone does them all the time. Visual .... The distinction between serial and parallel processes has a long history.

the correct note names on the simple identification test at the end of the ..... Some experiments upon the recognition of speech with one and two ears. Journal of ...

measure how long it takes to ¢nd the target as a function of how many distractors ..... Conjunction search should be abnormally di¤cult or impossible; however, in ...

orientation of attention are disputed. For example ... locations are at a disadvantage because of inhibition that spreads over the entire hemifield opposite to .... All subjects attended for four sessions on four different days. ... The first analysi

Jun 10, 1999 - Received 6 November 1998; accepted 26 March 1999. 1. ... 6. Cubasch, U. et al. Time-dependent greenhouse warming ... 12, 141–170 (1996).

the idea that attention operates covertly by facilitating some part of the .... much progress has been made towards answering these questions (Rayner, 1998).

Central to the idea of attention is the fact that the identical retinal stimulus ... substantial progress in answering this question through the use of various indirect ...

(10). The observers then adjusted the con-. In the first experiment, the stimulus was ... nance contrast, the combined stimulus ap- .... P.C. and L.M. Positive con-.

iano and Gross 1996; Graziano and Gross, in press). Ab- ...... Bauer DW, Miller J (1982) Stimulus-response compatibility and ... MIT Press, Cambridge, MA.

Oct 1, 1998 - reasons, 'select' the most cost-efficient way to represent the three-dimensional location of objects? As we frequentlyinteract with objects on the ...

was grasping, a change of hand shape or curling of the finger (or fin- gers) after ... the infant's hand, fingers, or both made contact with the book's surface ..... Randhawa, & W.E. Coffman (Eds.), Visual learning, thinking and communication. (pp.

(IOR) to underline the notion that the visual system is biased in order to avoid returning to previously attended locations. In the vast majority of studies upon the ...

Using the eye-movement system to control ... investigated the extent to which the programming of .... her head movements are reduced by an introduction of a.

At the theoretical level, we argue that optic flow needs to be supplemented by other explanatory primitives, including the actor's per- ception of three-dimensional ...

perception. Previous studies have shown that results from ..... headcam reach condition are presented in Table 1 for each of ...... On the basis of the evidence of.