The Unconscious

Lecture I

THEORY OF MEMORY AS A PROCESS

Gentlemen:

The subject which I have chosen for our first lecture is the theory of the mechanism of memory. I begin with the study of this problem because a knowledge of the facts which underlie the theory of memory is a necessary introduction to an understanding of the Unconscious, and of the part which subconscious processes play in normal and abnormal mental life. Speaking more specifically, without such a preliminary study I do not believe we can interpret correctly a very large number of the disturbances of mind and body which are traceable to the activity of subconscious processes and with which we shall later have to do.

If we consider memory as a process, and not as specific phases of consciousness, we shall find that it is an essential factor in the mechanisms underlying a large variety of phenomena of normal and abnormal life. These phenomena include those of both mind and body of a kind not ordinarily conceived of as manifestations of memory. I would have you dwell in your minds for a moment on the fact that I make this distinction between memory as a process and memory as a phase of consciousness or specific mental experience. What we ordinarily and conventionally have in mind when we speak of memory is the conscious thought of some past mental experience. But when we conceive of memory as a process we have in mind the whole mechanism through the working of which this past experience is registered, conserved, and reproduced, whether such reproduction be in consciousness or below the surface of consciousness.

Memory is usually looked upon as something that pertains solely to consciousness. Such a conception is defensible if the meaning of the term is restricted to those facts alone which come within our conscious experience. But when we consider the mechanism by which a particular empirical fact of this kind is introduced into consciousness we find that this conception is inadequate. We find then that we are obliged to regard conscious memory as only the end result of a process and, in order to account for this end result, to assume other stages in the process which are not phases of consciousness. Though the end result is a reproduction of the ideas which constituted the previous conscious experience, this reproduction is not the whole process.

More than this, the conscious experience is not the only experience that may be reproduced by the process, nor is the end result always and necessarily a state of consciousness. Conscious memory is only a particular type of memory. The same process may terminate in purely unconscious or physiological effects, or what may be called physiological memory to distinguish it from conscious memory. Along with the revived ideas and their feeling tones there may be a revival of the physiological experiences, or processes, which originally accompanied them; such as secretion of sweat, saliva and gastric juice, the contraction and dilatation of the blood vessels, the inhibition or excitation of the heart, lungs and other viscera, the contraction of muscles, etc. These visceral mechanisms, being originally elements in a complex process and accompaniments of the idea, may be reproduced along with the conscious memory, and even without conscious memory. As this physiological complex is an acquired experience it is entitled to be regarded as memory so far as its reproduction is the end result of the same kind of process or mechanism as that which reproduces ideas.

Then, again, investigations into the subconscious have shown that the original experience may be reproduced subconsciously without rising into awareness.

The more comprehensive way, then, of looking at memory is to regard it as a process and not simply as an end result. The process, as we shall see, is made up of three factors—Registration, Conservation, and Reproduction. Of these the end result is reproduction; conservation being the preservation of that which was registered.

This view is far more fruitful, as you will presently see, for memory acquires a deeper significance and will be found to play a fundamental and unsuspected part in the mechanism of many obscure mental processes.

From this point of view, upon memory, considered as a process, depend the acquired conscious and subconscious habits of mind and body.

The process involves unconscious as well as conscious factors and may be wholly unconscious (subconscious).

Two of its factors—registration and conservation—are responsible for the building up of the unconscious as the storehouse of the mind and, therefore, primarily for all subconscious processes, other than those which are innate.

To it may be referred the direct excitation of many subconscious manifestations of various kinds.

Consciously or subconsciously it largely determines our prejudices, our superstitions, our beliefs, our points of view, our attitudes of mind.

Upon it to a large degree depend what we call personality and character.

It often is the unsuspected and subconscious secret of our judgments, our sentiments, and impulses.

It is the process which most commonly induces dreams and furnishes the material out of which they are constructed.

It is the basis of many hypnotic phenomena.

In the field of pathology, memory, through its perversions, takes part in and helps to determine the form of a variety of disturbances such as obsessions, impulsions, tics, habit psychoses and neuroses, many of the manifestations of that great protean psychosis, hysteria, and other common ailments which it is the fashion of the day to term neurasthenia and psychasthenia. It is largely responsible for the conscious and subconscious conflicts which disrupt the human mind and result in various pathological states.

Finally, upon the utilization of the processes of memory modern psychotherapeutics, or the educational treatment of disease, is largely based. For many of these reasons an understanding of the mechanism of memory is essential for an understanding of the subconscious. In short, memory furnishes a standpoint from which we can productively study the normal and abnormal processes of the mind—conscious and subconscious.

These somewhat dogmatic general statements—which I have put before you much after the fashion of the lawyer who presents a general statement of his case in anticipation of the evidence—I hope will become clear and their truth evident as we proceed; likewise, their bearing upon the facts of abnormal psychology. To make them clear it will be necessary to explain in some detail the generally accepted theory of memory as a process and to cite the numerous data upon which it rests.

There may be, as, indeed, you will find there are, wide differences of opinion as to the exact psychological mechanism by which a memory-process plays its part in the larger processes of mental life, normal and abnormal, such as I have just mentioned, but that the memory-process is a fundamental factor is revealed by whatever method the problems are attacked. A study, therefore, of this fundamental factor and a determination of its mechanism are a prerequisite for a study of the more complex processes in which it takes part. For this reason I shall begin the study of the Unconscious (subconscious), to which I shall ask your attention in these lectures, with a consideration of the processes of memory.

If you ask the average person, as I have often done, how or why he remembers he will be puzzled and he is apt to reply, “Why, I just remember,” or, “I never thought of that before.” If you push him a bit and ask what becomes of ideas after they have passed out of mind and have given place to other ideas, and how an idea that has passed out of mind, that has gone, disappeared, can be brought back again as memory, he becomes further puzzled. We know that ideas that have passed out of mind may be voluntarily recalled, or reproduced, as memory; we may say that meantime they have become what may be called dormant. But surely something must have happened to enable these conscious experiences to be conserved in some way and recalled. Ideas are not material things which, like books, can be laid away on a shelf to be taken up again when wanted, and yet we can recall, or reproduce, many ideas when we want them just as we can go to a shelf and take down any book we want.

We learn the alphabet and the multiplication table in childhood. During the greater part of our lives the sensory images, auditory language symbols, etc., which may be summarized as ideas representing these educational experiences, are out of our minds and do not form a continuous part of our conscious experiences, but they may be recalled at any moment as memory. In fact, try as hard as we may, we cannot forget our alphabet or multiplication table. Why is this?

The older psychology did not bother itself much with these questions which puzzle the average man. It was content for the most part with a descriptive statement of the facts of conscious memory. It did not concern itself with the process by which memory is effected; nor, so long as psychology dealt only with phases of consciousness, was it of much consequence. It has been only since subconscious processes have loomed large in psychology and have been seen to take part on the one hand in the mechanism of conscious thought and on the other to produce various bodily phenomena, that the process of memory has acquired great practical importance. For it has been seen that in these subconscious processes previous conscious experiences are resurrected to take part as subconscious memory, consequently a conscious experience that has passed out of mind may not only recur again as conscious memory, but may recur subconsciously below the threshold of awareness. The study of subconscious processes therefore necessarily includes the processes of memory. And so it has become a matter of considerable moment to follow the fate of experiences after they have passed out of mind with a view to determining the mechanism by which they can be reproduced consciously and subconsciously. More than this it is important that the theory of memory should be removed if possible from the domain of purely speculative psychological concepts and placed on a sound basis of observation and experiment like other accepted theories of science.

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