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ON THE EQUILIBRATION OF GEOTROPIC AND PHOTOTROPIC EXCITATIONS IN THE RAT
The intensity of light required to just counterbalance geotropic orientation of young rats, with eyelids unopened, is so related to the angle of inclination (α) of the creeping plane that the ratio log I/log sin α is constant. This relationship, and the statistical variability of I as measured at ea...
Autores principales: | , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
The Rockefeller University Press
1927
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2140912/ https://www.ncbi.nlm.nih.gov/pubmed/19872333 |
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author | Crozier, W. J. Pincus, G. |
author_facet | Crozier, W. J. Pincus, G. |
author_sort | Crozier, W. J. |
collection | PubMed |
description | The intensity of light required to just counterbalance geotropic orientation of young rats, with eyelids unopened, is so related to the angle of inclination (α) of the creeping plane that the ratio log I/log sin α is constant. This relationship, and the statistical variability of I as measured at each value of α, may be deduced from the known phototropic and the geotropic conduct as studied separately, and affords proof that in the compounding of the two kinds of excitation the rat is behaving as a machine. |
format | Text |
id | pubmed-2140912 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 1927 |
publisher | The Rockefeller University Press |
record_format | MEDLINE/PubMed |
spelling | pubmed-21409122008-04-23 ON THE EQUILIBRATION OF GEOTROPIC AND PHOTOTROPIC EXCITATIONS IN THE RAT Crozier, W. J. Pincus, G. J Gen Physiol Article The intensity of light required to just counterbalance geotropic orientation of young rats, with eyelids unopened, is so related to the angle of inclination (α) of the creeping plane that the ratio log I/log sin α is constant. This relationship, and the statistical variability of I as measured at each value of α, may be deduced from the known phototropic and the geotropic conduct as studied separately, and affords proof that in the compounding of the two kinds of excitation the rat is behaving as a machine. The Rockefeller University Press 1927-01-20 /pmc/articles/PMC2140912/ /pubmed/19872333 Text en Copyright © Copyright, 1927, by The Rockefeller Institute for Medical Research This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/). |
spellingShingle | Article Crozier, W. J. Pincus, G. ON THE EQUILIBRATION OF GEOTROPIC AND PHOTOTROPIC EXCITATIONS IN THE RAT |
title | ON THE EQUILIBRATION OF GEOTROPIC AND PHOTOTROPIC EXCITATIONS IN THE RAT |
title_full | ON THE EQUILIBRATION OF GEOTROPIC AND PHOTOTROPIC EXCITATIONS IN THE RAT |
title_fullStr | ON THE EQUILIBRATION OF GEOTROPIC AND PHOTOTROPIC EXCITATIONS IN THE RAT |
title_full_unstemmed | ON THE EQUILIBRATION OF GEOTROPIC AND PHOTOTROPIC EXCITATIONS IN THE RAT |
title_short | ON THE EQUILIBRATION OF GEOTROPIC AND PHOTOTROPIC EXCITATIONS IN THE RAT |
title_sort | on the equilibration of geotropic and phototropic excitations in the rat |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2140912/ https://www.ncbi.nlm.nih.gov/pubmed/19872333 |
work_keys_str_mv | AT crozierwj ontheequilibrationofgeotropicandphototropicexcitationsintherat AT pincusg ontheequilibrationofgeotropicandphototropicexcitationsintherat |