Effect of fixation point distances on allocation of attention in real three-dimensional space.

Although variation in spatial relations between observer and objects is important when attention functions in three-dimensional space, the effects of changes in spatial relations on attention in real three-dimensional space are still unclear. In Exp. 1, the effects of varying distances of the fixation point on attention in a spatial cuing paradigm were investigated.

Effects of self-motion on attention in real 3D space.

Human behavioral space is three-dimensional (3D), and when moving through 3D space individuals selectively allocate their attention to acquire necessary information. This study aimed to examine the characteristics of attention in real 3D space when observers were moving forward. In static and self-motion situations, relative and absolute cues were used.

Attentional processing of location and color cues during driving.

Studies have shown that prior information concerning the spatial location of a subsequent target facilitates the selection of that target for further visual processing in three-dimensional (3-D) space. Using Posner's cuing paradigm, our work examined the reaction time of drivers when cue duration and peripheral environment luminance was changed, and explored the effect color and location on reaction time. Experiment 1 showed that reaction time was not affected by cue duration, and that shifts of attention operated more efficiently for cue location validity.

The allocation of attention on a perpendicular visual display during reaching movements in depth.

We investigated how visual attentional resources are allocated during reaching movements. Particularly, this study examined whether or not the direction of the reaching movement affected visual attention resource allocation. Participants held a stylus pen to reach their hand toward a target stimulus on a graphics tablet as quickly and accurately as possible.

[Effect of task demand on the allocation of attention in a large three-dimensional space].

This study investigated the effect of task demand on the allocation of attention in a large three-dimensional (3-D) space. Two load conditions were conducted. In the low load condition, the observer was required to judge whether a target appeared nearer or further than the fixation point.

Modification of depth and distance perception caused by long-term wearing of left-right reversing spectacles.

For 35 to 39 days, four observers wore continuously left-right reversing spectacles which pseudoscopically reverse the order of binocular disparity and direction of convergence. In three tests, we investigated how the visual system copes with the transformation of depth and distance information due to the reversing spectacles. In stereogram observation, after a few days of wearing the spectacles.