Research into the psychology of perception can uncover important discoveries for more efficient learning. There must be increased understanding of the processing of input and the pre-processing of output for improved language instruction. Educators must at the present time be extremely wary of basing what they do in the foreign-language classroom on presumed definitive statements about language learning from either linguistics of psychology. Theories on perceptual processing can help in the analysis and solution of language learning problems. (Author/VM).