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  • Articles  (24)
  • Haplorhini  (22)
  • Models, Molecular
  • 2005-2009
  • 1975-1979  (24)
  • 1978  (24)
Collection
  • Articles  (24)
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Keywords
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  • 2005-2009
  • 1975-1979  (24)
Year
Journal
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  • 1
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    Transient synapses in the embryonic primate spinal cord (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-12-15
    Description: Electron microscopic and tritiated thymidine autoradiographic analysis of the embryonic spinal cord in the rhesus monkey reveals considerable rearrangement of cellular and synaptic relationships in the posterior (sensory) quadrant during early developmental stages. This remodeling involves the death of an entire population of neurons that received synapses from sensory afferent axons and the possible relocation of these afferents upon subsequently generated viable substantia gelatinosa neurons.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Knyihar, E -- Csillik, B -- Rakic, P -- New York, N.Y. -- Science. 1978 Dec 15;202(4373):1206-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/103200" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/ultrastructure ; Cell Survival ; Dendrites/ultrastructure ; Gestational Age ; Haplorhini ; Macaca mulatta ; Spinal Cord/*embryology/ultrastructure ; Synapses/ultrastructure
    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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  • 2
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    Spinothalamic tract neurons in the substantia gelatinosa (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-12-01
    Description: The substantia gelatinosa of the mammalian spinal cord is generally believed to be a closed system; that is its neurons are thought to project only to the substantia gelatinosa of the same or the contralateral side. Experiments in monkeys, using injections of the marker enzyme horseradish peroxidase, show that at least some neurons of the substantia gelatinosa project to the thalamus and thus belong to the spinothalamic tract. Such neurons include two cell types intrinsic to the gelatinosa, the central cells and the limitrophe cells of Cajal.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Willis, W D -- Leonard, R B -- Kenshalo, D R Jr -- New York, N.Y. -- Science. 1978 Dec 1;202(4371):986-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/102034" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Diencephalon/*cytology ; Haplorhini ; Macaca fascicularis ; Spinal Cord/*cytology ; Spinothalamic Tracts/*cytology ; Substantia Gelatinosa/*cytology
    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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  • 3
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    Ultradian cortisol rhythms in monkeys: synchronized or not synchronized? (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-12-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kronauer, R E -- Moore-Ede, M C -- Menser, M S -- New York, N.Y. -- Science. 1978 Dec 1;202(4371):1001-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/102033" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Haplorhini ; Hydrocortisone/*blood ; Light ; Macaca mulatta/blood ; *Periodicity
    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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  • 4
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    Neuronal plasticity in primate telencephalon: anomalous projections induced by prenatal removal of frontal cortex (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-11-17
    Description: When the dorsolateral prefrontal cortex in one hemisphere of a rhesus monkey is resected 6 weeks before birth and the fetus survives to postnatal ages, neurons of the corresponding cortex in the intact hemisphere issue a greatly expanded projection to the contralateral caudate nucleus in addition to a normal projection to the ipsilateral caudate. The enhancement of the crossed prefronto-caudate pathway after prenatal neurosurgery provides direct evidence for lesion-induced neuronal rearrangement in the primate telencephalon.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldman, P S -- New York, N.Y. -- Science. 1978 Nov 17;202(4369):768-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/102031" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/ultrastructure ; Brain/embryology/growth & development ; Brain Mapping ; Cell Differentiation ; Cerebral Cortex/*cytology ; Haplorhini ; Macaca mulatta ; Neural Pathways/*cytology ; Synapses/*ultrastructure
    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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  • 5
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    Hypophysial responses to continuous and intermittent delivery of hypopthalamic gonadotropin-releasing hormone (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-11-10
    Description: In rhesus monkeys with hypothalamic lesions that abolish gonadotropic hormone release by the pituitary gland, the constant infusion of exogenous gonadotropin-releasing hormone (GnRH) fails to restore sustained gonadotropin secretion. In marked contrast, intermittent administration of the synthetic decapeptide once per hour, the physiological frequency of gonadotropin release in the monkeys, reestablishes pituitary gonadotropin secretion. This phenomenon is attributable to the pattern of GnRH delivery rather than to the amounts of this hormone to which the cells of the pituitary are exposed. Moreover, the initiation of continuous GnRH administration in animals with lesions and in which gonadotropin secretion is reestablished by intermittent GnRH replacement can result in a "desensitization" or "down regulation" of the processes responsible for gonadotropin release.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Belchetz, P E -- Plant, T M -- Nakai, Y -- Keogh, E J -- Knobil, E -- New York, N.Y. -- Science. 1978 Nov 10;202(4368):631-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/100883" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Castration ; Dose-Response Relationship, Drug ; Drug Administration Schedule ; Female ; Follicle Stimulating Hormone/*secretion ; Gonadotropin-Releasing Hormone/administration & dosage/*pharmacology ; Haplorhini ; Luteinizing Hormone/*secretion ; Macaca mulatta ; Pituitary Gland, Anterior/*drug effects/secretion
    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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  • 6
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    Neural lateralization of species-specific vocalizations by Japanese macaques (Macaca fuscata) (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-10-20
    Description: Five Japanese macaques and five other Old World monkeys were trained to discriminate among field-recorded Japanese macaque vocalizations. One task required discrimination of a communicatively relevant acoustic feature ("peak"), and a second required discrimination of an orthogonal feature of the same vocalizations ("pitch"). The Japanese animals more proficiently discriminated the peak feature when stimuli were presented to the right ear (primarily left cerebral hemisphere), as opposed to the left ear (primarily right hemisphere). In discriminating the pitch feature, the Japanese animals either showed (i) a left-ear processing advantage or (ii) no ear advantage. The comparison animals, with one exception, showed no ear advantage in processing either feature of the vocalizations. The results suggest that Japanese macaques engage left-hemisphere processors for the analysis of communicatively significant sounds that are analogous to the lateralized mechanisms used by humans listening to speech.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Petersen, M R -- Beecher, M D -- Zoloth, S R -- Moody, D B -- Stebbins, W C -- New York, N.Y. -- Science. 1978 Oct 20;202(4365):324-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/99817" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Auditory Perception/*physiology ; Discrimination Learning/physiology ; Female ; *Functional Laterality ; Haplorhini ; Macaca/*physiology ; Male ; Species Specificity ; Vocalization, Animal/*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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  • 7
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    Processes controlling arm movements in monkeys (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-09-29
    Description: The experiments identify some of the processes underlying arm movements in rhesus monkeys. Three monkeys were trained to point to a target with the hand and forearm and to hold that position for about 1 second to obtain a reward. Forearm movements were performed without sight of the arm before and after bilateral dorsal rhizotomy. In both intact and deafferented animals, we unexpectedly displaced the forearm prior to movement initiation and observed that the arm moved accurately to the target. These results are relevant to the question of what is being controlled by motor commands. The controlled variable appears to be an equilibrium point between agonist and antagonist muscles. The findings suggest that the feedback system plays a major role in updating and adjusting the central programs subserving the execution of learned motor patterns.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Polit, A -- Bizzi, E -- New York, N.Y. -- Science. 1978 Sep 29;201(4362):1235-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/99813" target="_blank"〉PubMed〈/a〉
    Keywords: Afferent Pathways/physiology ; Animals ; Arm/*physiology ; Feedback ; Haplorhini ; Macaca mulatta ; *Movement ; *Proprioception ; Visual Perception/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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  • 8
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    Vaccination of experimental monkeys against Plasmodium falciparum: a possible safe adjuvant (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-09-29
    Description: Owl monkeys (Aotus trivirgatus griseimembra) were effectively immunized against a human malaria parasite, Plasmodium falciparum. Two injections of antigen, primarily mature segmenters with fully developed merozoites, mixed with adjuvant (6-O-stearoyl-N-acetylmuramyl-L-alanyl-D-isoglutamine and liposomes) were administered intramuscularly at a 4-week interval. Approximately 2 weeks after the second vaccination, the monkeys were challenged with the homologous strain of P. falciparum. All immunized monkeys survived the challenge. The substitution of Freund's complete adjuvant is an encouraging step toward the development of an effective and safe vaccine for human malaria.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Siddiqui, W A -- Taylor, D W -- Kan, S C -- Kramer, K -- Richmond-Crum, S M -- Kotani, S -- Shiba, T -- Kusumoto, S -- New York, N.Y. -- Science. 1978 Sep 29;201(4362):1237-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/99814" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylmuramyl-Alanyl-Isoglutamine/*immunology ; *Adjuvants, Immunologic ; Animals ; Glycopeptides/*immunology ; Haplorhini ; Liposomes ; Malaria/*prevention & control ; Plasmodium falciparum/*immunology ; *Vaccination
    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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  • 9
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    Molecular conformation of a halogen-free thyroxine analog: 4-Methoxy-3,5,3-trimethyl-L-thyronine N-acetyl ethyl ester (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-09-22
    Description: The molecular conformation of the halogen-free thyroxine analog 4-methoxy-3,5,3'-trimethyl-L-thyronine -n-acetyl ethyl ester has been determined by x-ray diffraction techniques. The unsubstituted parent compound, trimethylthyronine, has significant biological activity in rat thymocyte tests when compared with the thyroid hormone 3,5,3'-triiodo-L-thyronine (T3). Although no activity data are available for the analog studied, it is presumed to be inactive because of the 4-methoxy blocking group. The observed conformation of this structure is similar to that found for the natural hormone T(3). The 3'-methyl group is distal, the overall conformation is cisoid, and the diphenyl ether conformation is twist-skewed. The results of this diffraction study show that methyl substituents are capable of maintaining the thyronine conformation required for hormonal activity; they suggest that iodine enhances hormone-protein binding because of the electronic effects it produces either by alteration of molecular charge distributions or by direct charge-transfer interactions with the serum or nuclear binding proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cody, V -- New York, N.Y. -- Science. 1978 Sep 22;201(4361):1131-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/684433" target="_blank"〉PubMed〈/a〉
    Keywords: Models, Molecular ; Molecular Conformation ; Thyronines/*analogs & derivatives ; X-Ray Diffraction
    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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  • 10
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    Primate infant's effects on mother's future reproduction (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-09-15
    Description: Female savanna baboons (Papio cynocephalus) had a longer postpartum amenorrhea and thereafter cycled longer before conceiving if their previous infant survived than if that infant died. Among mothers of surviving infants, differences in maternal care produced differences in age of weaning and age of independence but did not result in differences in interbirth intervals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Altmann, J -- Altmann, S A -- Hausfater, G -- New York, N.Y. -- Science. 1978 Sep 15;201(4360):1028-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/98844" target="_blank"〉PubMed〈/a〉
    Keywords: Amenorrhea ; Animals ; Female ; Haplorhini ; Maternal Behavior ; Papio/*physiology ; *Postpartum Period ; Pregnancy ; *Reproduction ; Time Factors ; Weaning
    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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