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Experiments on the principle of life and particularly on the principle of the motions of the heart, and on the seat of this principle

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  • ""The work I now present to the public is composed of Memoirs which I have read at different times before the first class of the Institute, and the society of Professors of the Faculty of Medicine of Paris. The two first sections include that which I submitted last year to the judgment of the class, upon the principle of the power of the heart, and the seat of that principle, and which the class was pleased to receive in terms so flattering and honourable to me. What is said of the heart, being applicable to the other organs of the involuntary functions, the question may be more generally considered as the determination of the seat of that principle which presides over this order of functions. The first section is a summary of the experiments which I had communicated two years before to the faculty of Medicine, the object of which was to inquire, what is the seat of the principle of the inspiratory motions which are submitted to the will. These have not presented less difficulties nor given rise to less disputes, than the involuntary functions, in relation to the principle by which they are animated. It was thought that the principle of action of the one was different from that of the others, as to its seat and even as to its nature. Several systems of physiology were grounded upon this difference. The reader will find in the report of the commissioners of the Institute, a very interesting summary of these theories in what concerns the functions which are independent of the will. I have given, in the beginning of this volume, a sketch of those which are relative to the functions dependent on the will. The first section was only intended to serve as an introduction to the second, and I am sensible that it is too concise; the experiments are little more than pointed out, and what is said of the functions of the brain, would have required much more illustration. How does the brain regulate the motions of the body without furnishing its immediate principle? Experiments can furnish but an imperfect answer to this question. Unwilling to adopt all the conjectures which it might suggest, I shall remark, that the brain appears to act upon the medulla spinalis as the latter acts upon the parts which it animates. At the invitation of Mr. Thouret, I demonstrated publicly, on the 2nd and 16th of March, 1809, that the principle of the life of the trunk resides in the medulla spinalis; and I afterwards repeated the same experiments, on the 16th of April, before Messrs. Chaussier and Dumeril"--Introduction. (PsycINFO Database Record (c) 2011 APA, all rights reserved)."

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  • "Experiments on the principle of life and particularly on the principle of the motions of the heart, and on the seat of this principle"@en
  • "Experiments on the principle of life and particularly on the principle of the motions of the heart, and on the seat of this principle"
  • "Experiences sur le principe de la vie"
  • "Experiments on the principle of life : and particularly on the principle of the motions of the heart, and on the seat of this principle"@en
  • "Experiments on the principle of life : and particularly on the principle of the motion of the heart and on the seat of this principle"@en
  • "Expériences sur le principe de la vie : notamment sur celui des mouvemens du coeurs, et sur la siège de ce principe : ornées d'une planche gravée"
  • "Experiments on the principle of life and particularly on the principle of the motions of the heart, and on the seat of this principle : including the report made to the first class of the institute, upon the experiments relative to the motions of the heart"@en
  • "Experiments on the principle of life : and particularly on the principle of the motions of the heart, and on the seat of this principle : including the report made to the first class of the Institute, upon the experiments relative to the motions of the heart"
  • "Experiments on the principle of life : and particularly on the principle of the motions of the heart, and on the seat of this principle: including the report made to the first class of the Institute, upon the experiments relative to the motions of the heart"@en
  • "Experiments on the principle of life"@en
  • "Experiments on the principle of life : and particularly on the principle of the motion of the heart"@en
  • "Expériences sur le principe de la vie"