| 单词 | nervous impulse |
| 例句 | He was alone: no telescreen, no ear at the keyhole, no nervous impulse to glance over his shoulder or cover the page with his hand. 1984 1949-06-08T00:00:00Z In skeletal muscle, contraction is stimulated at each cell by nervous impulses that releases acetylcholine at the neuromuscular junction, creating action potentials along the cell membrane. Fundamentals of Biology 2015-01-01T00:00:00Z When a light particle called a photon hits them, they change shape, sending nervous impulses to the brain. Mother Nature can't stop evolving eyes 2023-04-16T04:00:00Z The rise of psychology and psychiatry in the late 19th century brought mind and body into closer proximity to each other, demonstrating how our thoughts are influenced by nervous impulses and feelings. How feelings took over the world 2018-09-08T04:00:00Z In the case of MS the targets of these attacks, which may continue for years, are the fatty sheaths that insulate nerve cells and thus help nervous impulses to propagate. A chance finding may lead to a treatment for multiple sclerosis 2017-07-24T04:00:00Z This affects how fast nervous impulses are routed around the brain. Genetic Variants Build a Smarter Brain 2012-06-19T22:00:00Z Thus the nervous impulse passes from one neuron to the other at these points of contact. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z If an intense nervous irritation is set up in the stomach, reflex nervous impulses may cause the heart to stop completely and never resume its work. Essays In Pastoral Medicine 2012-03-05T03:00:09.993Z These ciliated furrows stain deeply with osmic acid, and nervous impulses are certainly transmitted along them. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z The nervous impulses from these cells are then led via the optic nerve to the visual cortex where they finally lead to impressions of sight. Electric Eye: Retina Implant Research Expands in Europe, Seeks FDA Approval in U.S. 2011-12-12T12:15:00.287Z Jean was a bunch of nervous impulses, and no one ever knew where the madcap would bounce up next. Three Little Women A Story for Girls 2011-11-17T03:00:30.707Z And "Upon this hint" the brain acts in its consequent reflections, and in the nervous impulses which induce muscular contractibility. Mind Amongst the Spindles 2011-09-20T02:00:13.677Z He had had massage and passive movements for it, but these are of very little service in these cases, because the nervous impulses must come down from above. Religion And Health 2011-08-12T02:00:18.323Z It is true that all vital activity is accompanied by electrical change—by a flow of electrons—in the living matter, the nervous impulse itself may be so transmitted. Spiritualism and the New Psychology An Explanation of Spiritualist Phenomena and Beliefs in Terms of Modern Knowledge 2011-08-01T02:00:14.257Z Whenever they contract, neuronic filaments which they have been holding apart, come together so as to permit the passage of nervous impulses, if any are flowing at the time. Psychotherapy 2011-06-19T02:00:20.053Z There is another channel by which nervous impulses reach the sensorium and play their part in the sense of equilibrium, namely, from the semicircular canals, a portion of the internal ear. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" 2011-02-27T03:00:31.973Z Further, it is not known that nervous impulses present qualitative differences among themselves. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" Comparative rates of nervous impulse, sensation, muscular movements, and mental processes. Anthropology As a Science and as a Branch of University Education in the United States It was followed by an equally nervous impulse to cry. A Manifest Destiny Forcible dilatation by concentrating attention on the affected parts hampers the proper flow of nervous impulses and the ordinary reaction to these which should occur. Psychotherapy 2011-06-19T02:00:20.053Z In the opinion of Bence Jones, the propagation of a nervous impulse is a sort "of successive molecular polarization, like magnetism." Was Man Created? The cell under the stimulation of the environmental agent will therefore generate in itself a nervous impulse. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" The efferent nerves are those which convey the nervous impulse outward from the nerve centers, and they are further classified according to the function of their respective centers. Special Report on Diseases of Cattle Oxygen is also assimilated, entering into the composition of the tissue along with the food elements under the action of special organic ferments brought into play by nervous impulses received from the central ganglia. Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say As a result of their lowered vitality, there is a suppression of the nervous impulses which rule over nutrition, with a consequent loss of weight. Psychotherapy 2011-06-19T02:00:20.053Z It is a safety-valve for the excessive flow of nervous impulse, and it is admitted that this method of expenditure is not useless for preserving the understanding in all its clearness. Essay on the Creative Imagination She saw his neckties hanging in an uneven row over the oblong mirror, and she controlled a nervous impulse to straighten them out and put them away. Virginia All her nervous impulses impelled her to flight. The Best Short Stories of 1919 and the Yearbook of the American Short Story "It is a nervous impulse, and has nothing to do with pain." Chester Rand or The New Path to Fortune The arousing of expectancy does much to relax inhibition and to permit the flow of nervous impulses that may be helpful. Psychotherapy 2011-06-19T02:00:20.053Z The slow change in the position of the tactual sensations evidently produces a rather strong influence on the equilibrium of nervous impulses, and here again vasomotor reflexes seem to arise easily. Psychotherapy There remained, however, the question of nervous impulse in plants, the discovery of which, though announced by Dr. Bose, ten years ago, did not yet find full acceptance. Sir Jagadis Chunder Bose His Life and Speeches "There can be no doubt that the nervous impulses that pass from the ear to the brain are of all sensory messages the most important guides for the outgoing ones that determine the necessary movements." The Psychology of Singing A Rational Method of Voice Culture Based on a Scientific Analysis of All Systems, Ancient and Modern It was concluded from these facts that these areas were respectively the centres for the discharge of the nervous impulses running in each case to the muscles which were moved. The Story of the Mind The nervous impulse that reaches the brain through the eye may be either exhilarating or depressing. Voice Production in Singing and Speaking Based on Scientific Principles (Fourth Edition, Revised and Enlarged) The nervous system supplies a stimulus called the nervous impulse, which reaches the muscles by the nerves, causing them to contract. Physiology and Hygiene for Secondary Schools The speed with which the nervous impulse courses through the plant has been determined; its nervous excitability and the variation of that excitability have likewise been measured. Sir Jagadis Chunder Bose His Life and Speeches Things were getting too tense, and Travers yielded to a nervous impulse to laugh again. The Place Beyond the Winds D. Resistance.—A fourth characteristic to be noted regarding nervous matter is that a nervous impulse, or current, as it is transmitted through the system, encounters resistance, or consumes an amount of nervous energy. Ontario Normal School Manuals: Science of Education When one uses the printed page, the eyes also guide—i.e., the nervous impulses that pass in through these avenues determine the outgoing ones that bring the muscles into action. Voice Production in Singing and Speaking Based on Scientific Principles (Fourth Edition, Revised and Enlarged) —Though the nature of the nervous impulse is not understood, 103 its purpose is quite apparent. Physiology and Hygiene for Secondary Schools The nervous impulse in plant and in man is found exalted or inhibited under identical conditions. Sir Jagadis Chunder Bose His Life and Speeches He was saved from effeminacy by nervous impulses which passed for sustained manly daring. The Portion of Labor Experiencing a burn on the hand would involve nervous impulses, or currents, other than those involved in hearing of the death of a friend. Ontario Normal School Manuals: Science of Education They are the chief guides for the outgoing nervous impulses to the muscles. Voice Production in Singing and Speaking Based on Scientific Principles (Fourth Edition, Revised and Enlarged) In addition to this the cell-body probably reënforces the nervous impulse. Physiology and Hygiene for Secondary Schools Investigation on nervous impulse in plants has led to the discovery of a controlling method, which was found equally effective in regard to the nervous impulse in animal. Sir Jagadis Chunder Bose His Life and Speeches The energy is, by the mechanism of the machine, changed into motion or nervous impulse, etc. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity The mental reproduction of any image is conditioned, therefore, by the physical reproduction of a nervous impulse through a formerly established path. Ontario Normal School Manuals: Science of Education For an instant a nervous impulse to protest, to startle by some violent gesture that look of gentle self-esteem from the faces before him, jerked over him like a spasm. One Man in His Time Hence, in accounting for the activities of the body, it is not sufficient to say they are caused by nervous impulses. Physiology and Hygiene for Secondary Schools The dual qualities or tones known to us in sensation, further, are correspondent with those two different nervous impulses, of opposite signs, which are occasioned by stimulation. Sir Jagadis Chunder Bose His Life and Speeches This has been very difficult, for we have no way of measuring a nervous impulse directly. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity The emotion proper consists in the feeling state which arises as a result of the resistance encountered by the nervous impulses as the smooth flow of experience is checked. Ontario Normal School Manuals: Science of Education "No thoroughfare" is often written across paths previously followed by blood or nervous impulses, when other paths have been found more economical or effective. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 Care must be exercised by the beginner, however, not to confuse sensations with the nervous impulses, on the one hand, or with secondary mental effects, such as emotion or imagination, on the other. Physiology and Hygiene for Secondary Schools I shall demonstrate my discovery of the nervous system in plants, and show how shocks from without pass within, and how this nervous impulse modified during transit. Sir Jagadis Chunder Bose His Life and Speeches The nervous impulse, can be studied in still other ways. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity She could not have told why she asked him to stay, it was a nervous impulse. A Tale of a Lonely Parish But a muscular fibril contracts only under the stimulus of a nervous impulse. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 The velocity of the nervous impulse, which is only about one hundred feet per second, proves that it is not a current of electricity. Physiology and Hygiene for Secondary Schools For the modification of nervous impulse there remains only one alternative; namely, some power to render the vehicle a very much better conductor or a non-conductor according to particular requirements. Sir Jagadis Chunder Bose His Life and Speeches The motion of the galvanometer under these conditions gives a ready means of studying the character of the nervous impulse. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity She smiled with lips that would pull to the nervous impulse to cry. Star-Dust In the injured patient the nervous impulse cannot reach the brain, the seat of consciousness, and hence this is not awakened. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 This movement through the neuron is called the nervous impulse. Physiology and Hygiene for Secondary Schools The lecturer then explained that the propagation of nervous impulse is a phenomenon of transmission of molecular disturbance. Sir Jagadis Chunder Bose His Life and Speeches We have no idea of how the nervous impulse is converted into a sensation. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity He plunged into the gloom, without deviating from his path, and conquered a nervous impulse that urged him to run. The Buccaneer Farmer Published in England under the Title "Askew's Victory" She felt a nervous impulse to behave rudely, to declare the contempt it was always difficult to disguise when talking with Barmby. In the Year of Jubilee These experiments show that the nervous impulses that produce reflex action need only pass through the spinal cord and do not reach the cerebrum, the organ of the mind. Physiology and Hygiene for Secondary Schools Finally, I may say a word of that other new and unexpected chapter which is opening out from my demonstration of nervous impulse in plants. Sir Jagadis Chunder Bose His Life and Speeches The mental sensation is undoubtedly excited by the physical wave of nervous impulse. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity An electric current would flash halfway round the globe while a nervous impulse could travel the length of the human body—from a man's foot to his brain. A History of Science — Volume 4 Her father started higher than the nervous impulse warranted in his chair. The Egoist Summary.—The nervous impulses that cause the sensation of sight are started by light waves falling upon a sensitized nervous surface, called the retina. Physiology and Hygiene for Secondary Schools It would theoretically be possible to change the tone or quality of our sensation, if means could be discovered by which the nervous impulse would become modified during transit. Sir Jagadis Chunder Bose His Life and Speeches If so, again, at what rate does the nervous impulse travel the plant? Sir Jagadis Chunder Bose His Life and Speeches Meantime, by a different arrangement of the various conductors, different sets of cells are placed in communication, different associations of nervous impulses induced, different trains of thought engendered. A History of Science — Volume 4 Is there any resemblance between the nervous impulse in plants and animals? Sir Jagadis Chunder Bose His Life and Speeches To make such measurement had been regarded as impossible, it being supposed that the flight of the nervous impulse was practically instantaneous. A History of Science — Volume 4 Pfeffer, again, and his distinguished followers, have insisted that the plants have neither a nervous system, nor anything analogous to the nervous impulse of the animal. Sir Jagadis Chunder Bose His Life and Speeches Thus the nervous impulse was shown to be something far different, as regards speed of transit, at any rate, from the electric current to which it had been so often likened. A History of Science — Volume 4 It consisted of the accurate measurement of the speed of transit of a nervous impulse along a nerve tract. A History of Science — Volume 4 |
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