I will not attempt either exhaustive or concise definitions of the terms named in the caption, for the simple reason that it is impossible to give satisfactory definitions of them. The conditions which these terms designate do not constitute definite disease-entities, and many different things are understood by different people when these terms are mentioned. Only brief indications of the meaning will be given.
Neurosis is a functional disease of the nervous system.
Neurasthenia is a condition of nervous exhaustion, brought about by various causes, such as overwork, worry, fright, sexual excesses, sexual abstinence, and so on. The basis of neurasthenia, however, is often or even generally a hereditary taint, a nervous weakness inherited from the parents.
Psychasthenia is a neurosis or psychoneurosis similar to neurasthenia, characterized by an exhaustion of the nervous system, also by weakness of the will, overscrupulousness, fear, and a feeling of the unreality of
things
Neuropathy is a disease or disorder of the nervous system. Psychopathy is a disease or disorder of the mind.
Of late years we often hear people referred to as neurotics, neurasthenics, psychasthenics, neuropaths or psychopaths. These are undoubtedly abnormal conditions, and, taken as a general thing, they are dysgenic factors.
But a dysgenic factor in an animal is a dysgenic factor, and that is all there is to it. There are no two sides to the question. But if anything goes to show the difference between animals and human beings, and to demonstrate why principles of eugenics, as derived from a study of animals, can never be fully applicable to human beings, it is these considerations which we now have under discussion. To repeat, neuroses, neurasthenia, psychasthenia, and the various forms of neuropathy and psychopathy are dysgenic factors. But people suffering from these conditions often are among the world's greatest geniuses, have done some of the world's greatest work, and, if we prevented or discouraged marriage among people who are somewhat "abnormal" or "queer," we should deprive the world of some of its greatest men and women. For insanity is allied to genius, and if we were to exterminate all mentally or nervously abnormal people we should at the same time exterminate some of the men and women that have made life worth living.
And what is true of mentally abnormal is also true of physically inferior people. An inferior horse or dog is inferior. There is no compensation for the inferiority. But a man may be physically inferior, he may be, for instance, a consumptive, but still he may have given to the world some of the sweetest and most wonderful poems. A man may be lame, or deaf, or strabismic, he may be a hunchback or a cripple and altogether physically repulsive, and yet he may be one of the world's greatest philosophers or mathematicians. A man may be sexually impotent and absolutely useless for race purposes, yet may be one of the world's greatest singers or greatest discoverers.
In short, the eugenic problem in the human is not, and never will be, as simple as it is in the animal and vegetable kingdoms. If we want to strive after healthy, normal mediocrity, then the principles of animal eugenics become applicable to the human race. If, on the other hand, we want talent, if we want genius, if we want benefactors of the human race, then we must go very slow with our eugenic applications.
Neurosis is a functional disease of the nervous system.
Neurasthenia is a condition of nervous exhaustion, brought about by various causes, such as overwork, worry, fright, sexual excesses, sexual abstinence, and so on. The basis of neurasthenia, however, is often or even generally a hereditary taint, a nervous weakness inherited from the parents.
Psychasthenia is a neurosis or psychoneurosis similar to neurasthenia, characterized by an exhaustion of the nervous system, also by weakness of the will, overscrupulousness, fear, and a feeling of the unreality of
things
Neuropathy is a disease or disorder of the nervous system. Psychopathy is a disease or disorder of the mind.
Of late years we often hear people referred to as neurotics, neurasthenics, psychasthenics, neuropaths or psychopaths. These are undoubtedly abnormal conditions, and, taken as a general thing, they are dysgenic factors.
But a dysgenic factor in an animal is a dysgenic factor, and that is all there is to it. There are no two sides to the question. But if anything goes to show the difference between animals and human beings, and to demonstrate why principles of eugenics, as derived from a study of animals, can never be fully applicable to human beings, it is these considerations which we now have under discussion. To repeat, neuroses, neurasthenia, psychasthenia, and the various forms of neuropathy and psychopathy are dysgenic factors. But people suffering from these conditions often are among the world's greatest geniuses, have done some of the world's greatest work, and, if we prevented or discouraged marriage among people who are somewhat "abnormal" or "queer," we should deprive the world of some of its greatest men and women. For insanity is allied to genius, and if we were to exterminate all mentally or nervously abnormal people we should at the same time exterminate some of the men and women that have made life worth living.
And what is true of mentally abnormal is also true of physically inferior people. An inferior horse or dog is inferior. There is no compensation for the inferiority. But a man may be physically inferior, he may be, for instance, a consumptive, but still he may have given to the world some of the sweetest and most wonderful poems. A man may be lame, or deaf, or strabismic, he may be a hunchback or a cripple and altogether physically repulsive, and yet he may be one of the world's greatest philosophers or mathematicians. A man may be sexually impotent and absolutely useless for race purposes, yet may be one of the world's greatest singers or greatest discoverers.
In short, the eugenic problem in the human is not, and never will be, as simple as it is in the animal and vegetable kingdoms. If we want to strive after healthy, normal mediocrity, then the principles of animal eugenics become applicable to the human race. If, on the other hand, we want talent, if we want genius, if we want benefactors of the human race, then we must go very slow with our eugenic applications.
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