The Principles of Psychology: Volume 1

The Principles of Psychology: Volume 1
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The Lucid Description of Human Mental Activity

The treatise which follows has in the main grown up in connection with the author's class-room instruction in Psychology, although it is true that some of the chapters are more 'metaphysical,' and others fuller of detail, than is suitable for students who are going over the subject for the first time. The consequence of this is that, in spite of the exclusion of the important subjects of pleasure and pain, and moral and æsthetic feelings and judgments, the work has grown to a length which no one can regret more than the writer himself. The man must indeed be sanguine who, in this crowded age, can hope to have many readers for fourteen hundred continuous pages from his pen. But 'wer Vieles bringt wird Manchem etwas bringen'; and, by judiciously skipping according to their several needs, I am sure that many sorts of readers, even those who are just beginning the study of the subject, will find my book of use. Since the beginners are most in need of guidance, I suggest for their behoof that they omit altogether on a first reading chapters 6, 7, 8, 10 (from page 330 to page 371), 12, 13, 15, 17, 20, 21, and 28.

The better to awaken the neophyte's interest, it is possible that the wise order would be to pass directly from chapter 4 to chapters 23, 24, 25, and 26, and thence to return to the first volume again. Chapter 20, on Space-perception, is a terrible thing, which, unless written with all that detail, could not be fairly treated at all. An abridgment of it, called 'The Spatial Quale,' which appeared in the Journal of Speculative Philosophy, vol. xiii, p. 64, may be found by some persons a useful substitute for the entire chapter.

I have kept close to the point of view of natural science throughout the book. Every natural science assumes certain data uncritically, and declines to challenge the elements between which its own 'laws' obtain, and from which its own deductions are carried on. Psychology, the science of finite individual minds, assumes as its data (1) _thoughts and feelings_, and (2) _a physical world_ in time and space with which they coexist and which (3) _they know_. Of course these data themselves are discussable; but the discussion of them (as of other elements) is called metaphysics and falls outside the province of this book. This book, assuming that thoughts and feelings exist and are vehicles of knowledge, thereupon contends that psychology when she has ascertained the empirical correlation of the various sorts of thought or feeling with definite conditions of the brain, can go no farther--can go no farther, that is, as a natural science. If she goes farther she becomes metaphysical. All attempts to _explain_ our phenomenally given thoughts as products of deeper-lying entities (whether the latter be named 'Soul,' 'Transcendental Ego,' 'Ideas,' or 'Elementary Units of Consciousness') are metaphysical. This book consequently rejects both the associationist and the spiritualist theories; and in this strictly positivistic point of view consists the only feature of it for which I feel tempted to claim originality. Of course this point of view is anything but ultimate. Men must keep thinking; and the data assumed by psychology, just like those assumed by physics and the other natural sciences, must some time be overhauled. The effort to overhaul them clearly and thoroughly is metaphysics; but metaphysics can only perform her task well when distinctly conscious of its great extent.

Metaphysics fragmentary, irresponsible, and half-awake, and unconscious that she is metaphysical, spoils two good things when she injects herself into a natural science. And it seems to me that the theories both of a spiritual agent and of associated 'ideas' are, as they figure in the psychology-books, just such metaphysics as this. Even if their results be true, it would be as well to keep them, _as thus presented_, out of psychology as it is to keep the results of idealism out of physics.

I have therefore treated our passing thoughts as integers, and regarded the mere laws of their coexistence with brain-states as the ultimate laws for our science. The reader will in vain seek for any closed system in the book. It is mainly a mass of descriptive details, running out into queries which only a metaphysics alive to the weight of her task can hope successfully to deal with. That will perhaps be centuries hence; and meanwhile the best mark of health that a science can show is this unfinished-seeming front.

The completion of the book has been so slow that several chapters have been published successively in Mind, the Journal of Speculative Philosophy, the Popular Science Monthly, and Scribner's Magazine. Acknowledgment is made in the proper places. The bibliography, I regret to say, is quite unsystematic. I have habitually given my authority for special experimental facts; but beyond that I have aimed mainly to cite books that would probably be actually used by the ordinary American college-student in his collateral reading. The bibliography in W. Volkmann von Volkmar's Lehrbuch der Psychologie (1875) is so complete, up to its date, that there is no need of an inferior duplicate. And for more recent references, Sully's Outlines, Dewey's Psychology, and Baldwin's Handbook of Psychology may be advantageously used.

Finally, where one owes to so many, it seems absurd to single out particular creditors; yet I cannot resist the temptation at the end of my first literary venture to record my gratitude for the inspiration I have got from the writings of J. S. Mill, Lotze, Renouvier, Hodgson, and Wundt, and from the intellectual companionship (to name only five names) of Chauncey Wright and Charles Peirce in old times, and more recently of Stanley Hall, James Putnam, and Josiah Royce.

About the Author

William James, was a professor of psycology at Havard University. A philosopher and psychologist, was instrumental in establishing Harvard's psychology department, which at its inception was tied to the department of philosophy. James himself remained unconvinced that psychology was in fact a distinct discipline, writing in his 1892 survey of the field, Psychology: Briefer Course,  "This is no science; it is only the hope of a science" (p. 335). Despite James’s skepticism, in the ensuing century this hope was fully realized in the department he helped to found. Initially trained in painting, James abandoned the arts and enrolled in Harvard in 1861 to study chemistry and anatomy. During an extended stay in Germany after graduating, James developed an interest in studying the mind, as well as the body. In 1872 James was recruited by Harvard’s new, reformer president, Charles Eliot, to teach vertebrate physiology.  In 1875 James taught one of the university’s first courses in psychology, “The Relations between Physiology and Psychology,” for which he established the first experimental psychology demonstration laboratory.  James oversaw Harvard’s first doctorate in psychology, earned by G. Stanley Hall in 1878.  Hall noted that James’s course was, “up to the present time the only course in the country where students can be made familiar with the methods and results of recent German researches in physiological psychology” (Hall, 1879).

James’s laboratory research on sensation and perception was conducted in the first half of his career. His belief in the connection between mind and body led him to develop what has become known as the James-Lange Theory of emotion, which posits that human experience of emotion arises from physiological changes in response to external events.  Inspired by evolutionary theory, James’s theoretical perspective on psychology came to be known as functionalism, which sought causal relationships between internal states and external behaviors.

In 1890 James published a highly influential, two-volume synthesis and summary of psychology, Principles of Psychology. The books were widely read in North America and Europe, gaining attention and praise from Sigmund Freud and Carl Jung in Vienna.  James then moved away from experimental psychology to produce more philosophical works (he is credited as one of the founders of the school of American Pragmatism), although he continued to teach psychology until he retired from Harvard in 1907. James profoundly inspired and shaped the thinking of his students, many of whom (including Hall, Mary Whiton Calkins, and E.L. Thorndike) went on to have prominent careers in psychology. He also advised an undergraduate project on automatic writing by Gertrude Stein. William James is listed as number 14 on the American Psychological Association’s list of the 100 most eminent psychologists of the 20th century.

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