Argues that mental images have functional properties similar to those of audiovisual media in that they can be intentionally and systematically used as the informational base for cognitive operations and as an aid to new learning. Experimental evidence is cited to support the claims. Nineteen references are cited. (Author/CHC)

Discusses the use of intelligent tutoring systems for computer-assisted language learning (CALL), emphasizing second language learning. Schank's conceptual dependency theory is described, a prototype of a program for second language instruction for 7- to 15-year-olds is explained, and future developments are discussed. (54 references) (LRW)

Describes the role of natural language processing (NLP) techniques, such as parsing and semantic analysis, within current language tutoring systems. Examines trends, design issues and tradeoffs, and potential contributions of NLP techniques with respect to instructional theory and educational practice. Addresses limitations and problems in using…