Object substitution masking (OSM) is said to occur when a perceptual object is hypothesized that is mismatched by subsequent sensory evidence, leading to a new hypothesized object being substituted for the first. For example, when a brief target is accompanied by a longer lasting display of nonoverlapping mask elements, reporting of target…

An educational program was designed to introduce spatial concepts to 30 congenitally/early-blinded children, aged 8-14, using a modified Optacon of Telesensory Systems, Incorporated. Using the vibrotactile stimulation device, the children learned to identify various objects correctly and to describe their relative spatial arrangements. (Author/JDD)

Examines the relationship of grade level to children's ability to make musical discriminations when elements are presented simultaneously. Utilized a brief instructional period, listening tests, and singing tasks. Results indicated significant differences between grade level, types of discrimination, and musical interactions. Includes statistical…

INTENDED FOR SPECIAL EDUCATION TEACHERS, REMEDIAL SPECIALISTS, AND PSYCHOLOGISTS, THE HANDBOOK PRESENTS A SERIES OF CONCRETE ACTIVITIES AND EXERCISES FOR CHILDREN WITH LEARNING DISABILITIES. FIFTY-THREE BASIC LEARNING ABILITIES OR RESOURCE PROGRAMS ARE GROUPED UNDER SIX MAJOR AREAS--GROSS MOTOR DEVELOPMENT, SENSORY MOTOR INTEGRATION, PERCEPTUAL…