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  • AIRCRAFT PROPULSION AND POWER  (1,211)
  • Animals
  • 1975-1979  (1,943)
  • 11
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    Optokinetic eye movements in albino rabbits: inversion in anterior visual field (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-03-24
    Description: When visual contrasts are restricted to the anterior sector (90 degrees to 180 degrees) of the albino rabbit's visual field, eye position is dramatically unstable, and when such contrasts are moved, horizontal optokinetic eye movements are inverted: the direction of pursuit is opposite to that of the stimulus. In the posterior visual field stability and optokinetic reactions are normal, as in all parts of the pigmented rabbit's visual field. This phenomenon may be one more of the complex of visual system defects linked to albinism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collewijn, H -- Winterson, B J -- Dubois, M F -- New York, N.Y. -- Science. 1978 Mar 24;199(4335):1351-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/628845" target="_blank"〉PubMed〈/a〉
    Keywords: Albinism/complications/physiopathology/*veterinary ; Animals ; *Eye Movements ; Nystagmus, Pathologic/etiology ; Rabbits/*physiology ; Retina/physiopathology ; Visual Fields ; Visual Pathways/physiopathology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 12
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    Infrared video viewing (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-03-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Conner, W E -- Masters, W M -- New York, N.Y. -- Science. 1978 Mar 3;199(4332):1004.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/622578" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal ; Behavioral Sciences/*instrumentation ; *Infrared Rays ; Silicon ; *Videotape Recording
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 13
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    Suid evolution and correlation of African hominid localities: an alternative taxonomy (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-08-04
    Description: New phylogenies were recently proposed by White and Harris, who recognized 7 genera and 16 species of fossil and extant suids from sub-Saharan Africa. This scheme is regarded here as oversimplified and an alternative is suggested, in which 9 genera and 21 species are recognized. The taxonomic and phylogenetic differences do not have any significant effect on the stratigraphic interpretations offered by White and Harris.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cooke, H B -- New York, N.Y. -- Science. 1978 Aug 4;201(4354):460-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/96530" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; Cephalometry ; *Fossils ; Haplorhini/*classification ; History, Ancient ; *Paleodontology ; *Paleontology ; *Phylogeny ; Primates/*classification
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 14
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    Rejection of male skin grafts by splenectomized female mice (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-04-21
    Description: Female mice of the C3H strain normally do not reject skin grafts from males of the same strain; however, 40 percent of splenectomized C3H female mice completely rejected C3H male skin grafts applied 2 weeks later. All splenectomized females showed at least transitory signs of graft rejection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coons, T A -- Goldberg, E H -- New York, N.Y. -- Science. 1978 Apr 21;200(4339):320-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/345443" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; *Graft Rejection ; *Histocompatibility Antigens ; Immunosuppression ; Male ; Mice ; Mice, Inbred C3H/immunology ; Skin Transplantation ; Spleen/*immunology ; Transplantation, Homologous ; Y Chromosome
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    Neural correlate of behavioral plasticity in command neurons of Pleurobranchaea (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-02-17
    Description: Food stimuli normally excite the command neurons of Pleurobranchaea that cause feeding. In contrast, the same food stimuli selectively inhibit these neurons in specimens that have been trained to suppress feeding and withdraw from food by means of an avoidance conditioning paradigm consisting of paired food and conditional shock. Food stimuli excite the feeding command neurons of yoked control specimens exposed to unpaired food and shock, but inhibit the feeding command neurons of untrained specimens that have been satiated with food. These results suggest that the command neurons serve as a neural locus at which an animal's behavior is modulated by past experiences. These results also establish a neural correlate of behavioral plasticity, in the form of synaptic inhibition of the command neurons.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, W J -- Gillette, R -- New York, N.Y. -- Science. 1978 Feb 17;199(4330):801-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/622572" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Behavior, Animal/*physiology ; Conditioning (Psychology)/physiology ; Feeding Behavior/physiology ; Mollusca/*physiology ; Neural Inhibition ; Neurons/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 16
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    Tricyclic antidepressants: long-term treatment increases responsivity of rat forebrain neurons to serotonin (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-12-22
    Description: Long-term treatment of rats with clinically effective tricyclic antidepressant drugs induced a selective increase in the inhibitory response of forebrain neurons to serotonin applied by microiontophoresis. Long-term administration of some related drugs which lack antidepressant efficacy failed to induce such a change. The enhanced response to serotonin induced by the clinically active tricyclic drugs took 1 to 2 weeks to develop, a time course which correlates with the delayed onset of therapeutic effects in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉de Montigny, C -- Aghajanian, G K -- New York, N.Y. -- Science. 1978 Dec 22;202(4374):1303-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/725608" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials/drug effects ; Animals ; Antidepressive Agents, Tricyclic/*pharmacology ; Decerebrate State ; Drug Synergism ; Geniculate Bodies/*drug effects ; Hippocampus/*drug effects ; Male ; Neural Inhibition/drug effects ; Norepinephrine/pharmacology ; Pyramidal Tracts/drug effects ; Rats ; Receptors, Serotonin/*drug effects ; Serotonin/*pharmacology ; gamma-Aminobutyric Acid/pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
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    The stomach signals satiety (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-07-14
    Description: Inflatable pyloric cuffs and stomach tubes were implanted in rats. With the cuff inflated and a valve to limit intragastric pressure to that accompanying normal satiety, they drank only as much when they had been deprived of food for 12 hours as without inflation of the cuff. However, they overdrank with the cuff inflated when they had been water deprived for 12 hours. When 10 ml of milk was withdrawn from the stomach with the cuff inflated, compensatory drinking occurred. Further, compensatory drinking also occurred when milk escaped from the stomach into the duodenum. Satiety signals thus arise from the stomach.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Deutsch, J A -- Young, W G -- Kalogeris, T J -- New York, N.Y. -- Science. 1978 Jul 14;201(4351):165-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/663647" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Drinking Behavior/physiology ; Duodenum/physiology ; Food Deprivation ; Male ; Rats ; Satiation/*physiology ; Satiety Response/*physiology ; Stomach/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 18
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    Functional plasticity in the immature striate cortex of the monkey shown by the [14C]deoxyglucose method (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-04-28
    Description: Autoradiographic representation of the local rates of cerebral glucose utilization and local cerebral functional activity by means of the [14C]deoxyglucose technique reveals the existence of the ocular dominance columns in the striate cortex of the monkey in the first day of life. In contrast to the stability of these columns in more mature brain, monocular deprivation for 3 months from the first day of life results in their complete disappearance and a reversion of the autoradiographic pattern to that seen in animals with normal binocular vision. These results are consistent with a reorganization of the representation of the visual fields of the two eyes in the striate cortex and provide additional evidence of the plasticity of the striate cortex of the monkey in early life.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Des Rosiers, M H -- Sakurada, O -- Jehle, J -- Shinohara, M -- Kennedy, C -- Sokoloff, L -- New York, N.Y. -- Science. 1978 Apr 28;200(4340):447-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/417397" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn/physiology ; Brain Mapping ; Cell Differentiation ; Deoxy Sugars/*metabolism ; Deoxyglucose/*metabolism ; Female ; Haplorhini ; Male ; Vision, Ocular ; Visual Cortex/*cytology/physiology ; Visual Pathways/*cytology/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 19
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    Nucleosome arcs and helices (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-10-20
    Description: Crystals and other regular arrangements of nucleosome cores have been obtained and analyzed in the electron microscope. Two types of regular structures have been studied in detail, the nucleosome arcs and cylinders. The latter are composed of concentric cylindrical layers of intertwined right-handed helices of nucleosome cores. These studies lead to the following conclusions and concepts. The overall structure of the nucleosome core is a short, wedge-shaped cylinder measuring about 110 by 110 by 60 angstroms. Nucleosome cores interact primarily between top and bottom planes. Nucleosome cores exhibit large conformational variability. A pivot allowing two degrees of rotational freedom is postulated in the region of the 70th base pair to account for this property of the nucleosome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dubochet, J -- Noll, M -- New York, N.Y. -- Science. 1978 Oct 20;202(4365):280-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/694532" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromatin/*ultrastructure ; Crystallography ; Macromolecular Substances ; Micrococcal Nuclease/metabolism ; Microscopy, Electron/methods ; Rats
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 20
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    Physiological basis of anisometropic amblyopia (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-07-21
    Description: In the visual cortex of kittens that have received their only visual experience while wearing a high-power lens before one eye, most neurons are dominated by input from the normal eye. Moreover, contrast sensitivity and resolving power are lower for stimulation through the originally defocused eye, mimicking psychophysical results from human anisometropic amblyopes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eggers, H M -- Blakemore, C -- New York, N.Y. -- Science. 1978 Jul 21;201(4352):264-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/663654" target="_blank"〉PubMed〈/a〉
    Keywords: Amblyopia/*physiopathology ; Animals ; Brain Mapping ; Cats ; Disease Models, Animal ; Orientation/physiology ; Refractive Errors/*physiopathology ; Visual Cortex/*physiopathology ; Visual Pathways/physiopathology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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