This is a preview. Log in through your library . Abstract This paper discusses the limitations of visual perceptions in the formation of geometric meaning. Haptic exploration, which is the intentional ...

People born without sight apparently process math in their visual cortex. The findings come from a newly published Johns Hopkins study, and add support to the idea that when it comes to "nature versus ...

Computing the shapes of object boundaries from fragmentary image contours poses a formidable problem for the visual system. We investigated the extrapolation of contour shape by human vision.

Blind people may not be able to see, but their bodies often adapt in interesting ways to help them get around—some have even figured out how to echolocate to assist in moving about. Now, new research ...