Abstract: The basic viewpoints of “nteracting Cognitive Subsystem”?theory are introduced and analyzed in this article. The theory recognizes two qualitatively distinct kinds of meaning: a specific, lower-level meaning and general, high-level meaning; transforming information from one kind of code to another requiring specific rules to be followed; different information is stored in different memory systems; high-level meaning plays a central role in emotion production. The study on depressive emotional disorders of the theory is elaborated in the article, and the importance and problems to psychological therapy are also pointed out.

Key words: Interacting Cognitive Subsystem, depression, low-level meaning, high-level meaning, mind in place.