Recent research shows that deaf signers show increased behavioral and neural sensitivity to certain types of movement, such as biological motion, human actions, and signing avatars. However, other work suggests that in deaf signers exposed to signed language before age five, the mirror mechanism has minimal involvement during the perception of…

The assessment of vision as it relates to and interacts with motor development is reviewed. The focus is on eye readiness skills normally occuring in infants' first few months of life and preceding eye-hand coordination. These visual skills fall into three categories: fixation, tracking, and scanning. Six standardized scales are reviewed and…

This article discusses the development of an orientation and mobility screening measure suitable for use with children having severe visual impairments (and possibly additional impairments) from birth through five years of age. Twenty instructors rated the measures as being useful. The two forms of the measure (for either ambulatory or…