Luria's last work, summing up his contributions to the study of the psychology of language. Discusses his general philosophical approach and theoretical and empirical research, providing a concise account of how he applied his ideas to the developmental, cross-cultural, and clinical issues of language and cognition. Emphasizes the author's views on language and speech, and how they lead to a set of questions and procedures in empirical research. Also examines some of the general concerns of contemporary Soviet Psychology.