Comparative electro-physiology : a physico-physiological study / by Jagadis Chunder Bose.

  • Jagadish Chandra Bose
Date:
1907
Catalogue details

Licence: Public Domain Mark

Credit: Comparative electro-physiology : a physico-physiological study / by Jagadis Chunder Bose. Source: Wellcome Collection.

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    CONTENTS CHAPTER I THE MOLECULAR RESPONSIVENESS OF MATTER PAGE Response to stimulus by change of form—Permeability variation—Variation of solubility—Method of resistivity variation : (a) positive variation ; (b) negative variation—Sign of response changed under different molecular modifications—Response of vegetable tissue by variation of electrical resistance—Response by electro-motive variation in inorganic substances —The method of block—Positive and negative responses—Similar responses in living tissues—Effects of fatigue, stimulants, and poisons on inorganic and organic responses—Method of relative depression, or negative variation, so called ........ i CHAPTER II THE ELECTRO-MOTIVE RESPONSE OF PLANTS TO DIFFERENT FORMS OF STIMULATION Historical—Difficulties of investigation—Electrical response of pulvinus of Mimosa—Simultaneous mechanical and electrical records—Division of plants into ‘ordinary’ and ‘sensitive’ arbitrary— Mechanical and electrical response of ‘ ordinary ’ plants—Direct and transmitted stimu¬ lation—All forms of stimulus induce excitatory change of galvanometric negativity . . ... . . . . . . . .12 CHAPTER III THE APPLICATION OF QUANTITATIVE STIMULUS AND RELATION BETWEEN STIMULUS AND RESPONSE Conditions of obtaining uniform response—Torsional vibration as a form of stimulus—Method of block—Effective intensity of stimulus dependent on period of vibration—Additive action of feeble stimuli—Response
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