The Principles of Psychology, Volume 1 William James - This is Volume I of William James' monumental text on Psychology. Chapters include: The Scope of Psychology; The Functions of the Brain; On Some General Conditions of Brain Activity; Habit; The Automaton Theory; The Mind-Stuff Theory; The Methods and Snares of Psychology; The Relations of Minds to Other Things; The Stream of Thought; The Consciousness of Self; Attention; Conception; Discrimination and Comparison; Association; The Perception of Time; and, Memory.