The Journal of Comparative Neurology and Psychology, Volume 14Editorial Office, Denison University, 1904 |
From inside the book
Results 1-5 of 59
Page 19
... indicate the possibility of inter- esting studies of the development of space perception in animals , and of such analyses of the sensory complex as shall exhibit the ' spatial worth ' of each kind of sense data . Partly for the purpose ...
... indicate the possibility of inter- esting studies of the development of space perception in animals , and of such analyses of the sensory complex as shall exhibit the ' spatial worth ' of each kind of sense data . Partly for the purpose ...
Page 20
... indicates that the hesitation in the presence of a void increases as we pass from the strictly water forms to TABLE I. Reactions to Spatial Conditions of Tortoises of Different Habits . Summary of Results . Chrysemys picta . Nanemys ...
... indicates that the hesitation in the presence of a void increases as we pass from the strictly water forms to TABLE I. Reactions to Spatial Conditions of Tortoises of Different Habits . Summary of Results . Chrysemys picta . Nanemys ...
Page 21
... conditions clearly indicates a close relation between the de- mands of the natural environment of the species , so far as spa- tial relations are concerned , and the behavior of the YERKES , Space Perception of Tortoises . 21.
... conditions clearly indicates a close relation between the de- mands of the natural environment of the species , so far as spa- tial relations are concerned , and the behavior of the YERKES , Space Perception of Tortoises . 21.
Page 25
... indicates that it de- pends upon vision for guidance in its movements to such an extent that it is not likely to move about much unless it can see clearly . Visual impressions are of prime importance in the space perception of tortoises ...
... indicates that it de- pends upon vision for guidance in its movements to such an extent that it is not likely to move about much unless it can see clearly . Visual impressions are of prime importance in the space perception of tortoises ...
Page 31
basic dyes ( Figs . 1 , 5 ) . This indicates that the thicker por- tions contain an accumulation of the nucleoproteid . This state- ment is supported by the fact that the preparations tested for iron show this area deeply stained ( Fig ...
basic dyes ( Figs . 1 , 5 ) . This indicates that the thicker por- tions contain an accumulation of the nucleoproteid . This state- ment is supported by the fact that the preparations tested for iron show this area deeply stained ( Fig ...
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Common terms and phrases
adult Anat animal appear Area of fasci basophile behavior BETHE birth brain cell body centrosome cervical changes cilia color crabs cross-section cytoplasm degeneration dendrites diameter dorsal roots electric stimulus embryo epithelium experimental experiments fact fascicle fascicle Number fasciculus gracilis fibrillae fibrils frog function ganglion cells gemmules guinea pig HOLMGREN INGBERT left spinal nerves legs light medullated medullated fibers membrane ment method movements muscle fiber nerve cells nerve fibers nervous system neurofibrillae neurone NISSL granules non-medullated normal nuclear nucleolus nucleus Number of fascicle number of fibers Number of nerve observations olfactory organs Paramecium peripheral physiological position protoplasm psychical psychology reaction reflexes relation sarcolemma sensory sheath spinal ganglion spinal nerves stage stain STILLING'S structure substance swimming TABLE thoracic tigroid tion tissue ventral and dorsal ventral roots vicarious chorion visual white rat
Popular passages
Page 283 - The Eyes of the Blind Vertebrates of North America. V. The History of the Eye of the Blind Fish Amblyopsis from Its Appearance to its Disintegration In Old Age. Mark Anniversary Volume (New York.
Page 534 - AV. 1887. Contribution to the fauna of the Gulf of Mexico and the South. List of the fresh-water and marine Crustacea of Alabama, with descriptions of the new species and synoptical keys for identification.
Page 533 - A Final Report on the Crustacea of Minnesota Included in the Orders Cladocera and Copepoda. Together with a Synopsis of the described Species in North America and Keys to the known Species of the more Important Genera.
Page 435 - My thesis now is this : that, when we think of the law that thought is a function of the brain, we are not required to think of productive function only ; we are entitled also to consider permissive or transmissive function. And this the ordinary psycho-physiologist leaves out of his account.
Page 291 - ... reacts positively to large patches of bright sunlight rather than to small ones, even though the latter, as in the case of the sun, may be much more intense.
Page 79 - Thorndike ( 1914) , an eminent proponent of this view, wrote that the mind must be regarded not as a functional unit, nor even as a collection of a few general faculties which work irrespective of particular material, but rather as a multitude of functions each of which involves content as well as form, and so is related closely to only a few of its fellows, to the others with greater and greater degrees of remoteness (p.
Page 382 - Mass., at the Biological Laboratory of the Brooklyn Institute of Arts and Sciences at Cold Spring Harbor, Long Island, at Ogunquit, Maine, and at Randolph, NH I wish to express my obligations to Dr.
Page 18 - I have found in the case of all puppies, and several other kinds of animals examined, that even on the first day of birth they will not creep off a surface on which they rest, if elevated some little distance above the ground. When they approach the edge they manifest hesitation, grasp with their claws or otherwise attempt to prevent themselves falling, and, it may be, cry out, giving evidence of some profound disturbance in their nervous system.
Page 78 - The answer which I shall try to defend is that a change in one function alters any other only in so far as the two functions have as factors identical elements. The change in the second function is in amount that due to the change in the elements common to it and the first. The change is simply the necessary...
Page 79 - Improvement in any single mental function need not improve the ability in functions commonly called by the same name. It may injure it. Improvement in any single mental function rarely brings about equal improvement in any other function, no matter how similar, for the working of every mental function-group is conditioned by the nature of the data in each particular case.