Visual Mechanisms of Intermediate Distance Space Perception During Self-motion

What this Trial Is About

This research aims to understand how people judge the locations of objects around them in the intermediate distance range of about 2 to 25 meters during movement. The study focuses on the visual mechanisms involved in this spatial perception, especially while planning and executing self-motion like walking. Gaining this knowledge may help explain how eye and neurological issues affect visual perception, navigation, and mobility in everyday life. Participants will be exposed to varying visual environments where target locations and background textures change. Their responses in judging distances will be measured to explore how the brain processes visual space and navigation. The study will test how cognitive load, visual input, and body movement signals influence spatial perception during self-motion. Volunteers will engage in psychophysical tests in real 3D settings to assess their ability to judge locations of targets under different conditions. Researchers will measure outcomes such as perceived distance and height before and after movement, with each procedure lasting about 10 seconds. The study will also monitor visual acuity and stereo vision. Participation may last according to the testing schedule and includes behavioral assessments and control of visual environments.

Intermediate Visual Space Perception