Effectiveness of two versions of computer software used as an electronic blackboard to present geometric concepts to ninth grade students was compared. The experimental version incorporated color, animation, and nonverbal sounds as stimuli; the no-stimulus version was monochrome. Both immediate and delayed learning were significantly better for…

Visualized braille was presented on closed circuit television (CCTV) to six blind tactile braille reading subjects (ages 12-50). Results supported cross-modal transfer of learning from tactile to visual modality. After intensive visual training, these subjects could discriminate visual forms and read ordinary print using the CCTV. (Author/BS)