Explains how the truth can be reached through a dialogue between two people representing the objective and subjective sides of consciousness.

Peruse a paper by philosophy professor David Cole on natural language, inner speech and thought. Includes an exploration of Fodor's work.

Learn about Jerry Fodor's 1975 hypothesis that the medium of thought is an innate,complete language, distinct from all spoken languages.

Learn about systems thinking, creativity, cybernetics and cognition, and read Reflexions, a column that tries to integrate the four perspectives.

Cecchi, Crist and Ribeiro explore the biology of thoughts, covering representation, neuronal objects, mental objects, learning and memory.