Many of the modifications made in the revision are due to valuable suggestions and kindly criticisms received from many teachers of the text in various types of schools. To all who have thus helped so generously by freely giving the author the fruits of their judgment and experience he gladly renders grateful thanks.
1. How the mind is to be known: Personal character of consciousness--Introspection the only means of discovering nature of consciousness--How we introspect--Studying mental states of others through expression--Learning to interpret expression. 2. The nature of consciousness: Inner nature of the mind not revealed by introspection --Consciousness as a process or stream--Consciousness likened to a field--The "piling up" of consciousness is attention. 3. Content of the mental stream: Why we need minds--Content of consciousness determined by function--Three fundamental phases of consciousness. 4. Where consciousness resides: Consciousness works through the nervous system. 5. Problems in observation and introspection . . . . . . . . . . 1
1. Nature of attention: The nature of attention--Normal consciousness always in a state of attention. 2. The effects of attention: Attention makes its object clear and definite--Attention measures mental efficiency. 3. How we attend: Attention a relating activity--The rhythms of attention. 4. Points of failure in attention: Lack of concentration--Mental wandering. 5. Types of attention: The three types of attention--Interest and nonvoluntary attention--The will and voluntary attention--Not really different kinds of attention--Making different kinds of attention reënforce each other--The habit of attention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1. The relations of mind and brain: Interaction of mind and brain--The brain as the mind's machine. 2. The mind's dependence on the external world: The mind at birth--The work of the senses. 3. Structural elements of the nervous system: The neurone--Neurone fibers--Neuroglia--Complexity of the brain--"Gray" and "white" matter. 4. Gross structure of the nervous system: Divisions of the nervous system--The central system--The cerebellum--The cerebrum--The cortex--The spinal cord. 5. Localization of function in the nervous system: Division of labor--Division of labor in the cortex. 6. Forms of sensory stimuli: The end-organs and their response to stimuli--Dependence of the mind on the senses . . . . . . . . . . . . . 30