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Synopsis
Excerpt from The Source and Aim of Human Progress
The nervous centers of man's nervous system, if Classified as to function, may be divided into inferior and superior. The inferior centers are characterized by reflex and automatic activities. A stim ulus excites the peripheral nerve-endings of some sense-organ. At once a nerve-current is set up in the afferent nerves. The current in its turn stimulates a plexus of central ganglia, the nerve energy of which is set free, and is propagated along the efferent nerves towards muscles and glands, - secretions, muscular contractions and relaxa tions are the result; biologically regarded, various reactions and ad justments follow.
Ingoing and outgoing nerve currents with their various end reactions may be modified by the nerve centers. Nerve currents may be intensified, decreased in energy, or even entirely inhibited by central ganglia or by their mutual interaction and interferences. Sherrington and other physiologists have by a number of experiments formulated some of the important principles of such physiological activities. The law of inhibition or interference early formulated by Ziehen may suflice: If an excitation of a definite intensity (m) take place in one cortical element (b), and another excitation of a different intensity (n) take place at the same time in another cortical element (c) which is connected by a path of conduction with element (b), the' two intensi ties of excitation may modify each other.
Although such modifications frequently occur, it nevertheless remains true that the inferior nerve-centers are of a reflex nature.
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- PublisherForgotten Books
- Publication date2024
- ISBN 10 1333605250
- ISBN 13 9781333605254
- BindingPaperback
- LanguageEnglish
- Number of pages65
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The Source and Aim of Human Progress (Classic Reprint)
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Paperback. Condition: New. Print on Demand. This book delves into the psychology and pathology of the individual and society, arguing that the subconscious mind, with its herd mentality and susceptibility to suggestion, exerts a profound influence on human behavior. The author draws a distinction between the 'primary self', driven by reason and critical thinking, and the 'subconscious self', dominated by primal urges and easily manipulated by external forces. Through historical examples, the book demonstrates how irrationality and mass hysteria can lead to social upheavals, with far-reaching consequences that shape the course of history. Ultimately, the author emphasizes the importance of understanding and harnessing the subconscious mind to promote individual and societal well-being. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781333605254_0
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The Source and Aim of Human Progress Classic Reprint
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781333605254
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