The Journal of Comparative Neurology and Psychology, Volume 14Editorial Office, Denison University, 1904 |
From inside the book
Results 1-5 of 63
Page 20
... period the test was re- corded as a failure . Failures in this case have positive value , to be sure , but they do not give us the accurate measurement of the time of reaction which indefinite prolongation of the period of observation ...
... period the test was re- corded as a failure . Failures in this case have positive value , to be sure , but they do not give us the accurate measurement of the time of reaction which indefinite prolongation of the period of observation ...
Page 25
... periods persistently tries to remove the cap . Most individuals after a time move about freely , but whenever they reach the edge of the board they turn back . Evidently the tactual and muscular impressions inhibit the tendency to move ...
... periods persistently tries to remove the cap . Most individuals after a time move about freely , but whenever they reach the edge of the board they turn back . Evidently the tactual and muscular impressions inhibit the tendency to move ...
Page 27
... period of the early growth and in attempting to explain it we meet several interesting questions of histological as well as physiological importance . The results here reported form a part of a series of observations on the growth ...
... period of the early growth and in attempting to explain it we meet several interesting questions of histological as well as physiological importance . The results here reported form a part of a series of observations on the growth ...
Page 38
... period when metabolic processes in the cell body are very active and we associate the formation of pseudopodia - like processes and the migration of accessory nucleoli and of the minute gran . ules , with the hyperactivity of the cell ...
... period when metabolic processes in the cell body are very active and we associate the formation of pseudopodia - like processes and the migration of accessory nucleoli and of the minute gran . ules , with the hyperactivity of the cell ...
Page 45
... period of most active growth . ( 7 ) A return of the NISSL granules as such from the cell body to the nucleus by means of the astral rays ( HOLMGREN ) was not observed in the case of the white rat . ( 8 ) A formation of the neuroglia ...
... period of most active growth . ( 7 ) A return of the NISSL granules as such from the cell body to the nucleus by means of the astral rays ( HOLMGREN ) was not observed in the case of the white rat . ( 8 ) A formation of the neuroglia ...
Contents
6 | |
9 | |
17 | |
27 | |
49 | |
62 | |
70 | |
83 | |
93 | |
112 | |
118 | |
124 | |
165 | |
171 | |
203 | |
209 | |
270 | |
271 | |
281 | |
390 | |
411 | |
418 | |
421 | |
432 | |
441 | |
442 | |
464 | |
506 | |
511 | |
529 | |
Other editions - View all
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.