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  • Species Specificity  (18)
  • American Association for the Advancement of Science (AAAS)  (18)
  • American Association of Petroleum Geologists (AAPG)
  • Blackwell Publishing Ltd
  • Elsevier
  • Wiley
  • 1990-1994
  • 1975-1979  (18)
  • 1979  (18)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (18)
  • American Association of Petroleum Geologists (AAPG)
  • Blackwell Publishing Ltd
  • Elsevier
  • Wiley
Years
  • 1990-1994
  • 1975-1979  (18)
Year
  • 1
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    Pituitary-brain vascular relations: a new paradigm (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-04-06
    Description: Vascular casts of the pituitary gland have demonstrated a paucity of veins extending from the adenohypophysis to the systemic circulation and have suggested that some adenohypophyseal venous blood returns to the neurohypophysis. The neurohypophyseal capillary bed may function as a vascular switch and in this article a series of 14 questions are proposed regarding the vascular dynamics of the pituitary. Together these questions raise the larger question, namely, whether pituitary hormones are transported directly to the brain to modify brain function?〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bergland, R M -- Page, R B -- New York, N.Y. -- Science. 1979 Apr 6;204(4388):18-24.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/373118" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arteriovenous Anastomosis/anatomy & histology ; Capillaries/anatomy & histology ; Cats ; *Cerebrovascular Circulation ; Dogs ; Humans ; Hypothalamo-Hypophyseal System/blood supply ; Pituitary Gland/*blood supply ; Pituitary Gland, Anterior/blood supply ; Rats ; Species Specificity
    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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    Comparative biochemistry and drug design for infectious disease (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-07
    Description: In the past two decades, biochemistry and molecular biology have demonstrated the existence of potentially exploitable biochemical differences between etiologic agents of disease and their hosts. Known differences between organism and host with respect to metabolism and polymer structure point to the detailed characterization of key proteins as the focus for the development of potential inhibitors. In the last decade, the methodology of the isolation, characterization, and inactivation of proteins and enzymes has been advanced. The present scientific and technological base suggests that new efforts toward the development of selective chemotherapeutic agents for infections caused by bacteria, viruses, protozoa, and higher eukaryotes should exploit the known differences in proteins or other specific biopolymers serving crucial structural or metabolic roles in the economy of the parasite.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, S S -- New York, N.Y. -- Science. 1979 Sep 7;205(4410):964-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/382357" target="_blank"〉PubMed〈/a〉
    Keywords: *Anti-Bacterial Agents ; *Antiviral Agents ; Communicable Diseases/*drug therapy ; Humans ; Mycobacterium leprae/metabolism ; Polysaccharides, Bacterial/metabolism ; Species Specificity ; Structure-Activity Relationship ; Trypanosomiasis/drug therapy ; Vidarabine/pharmacology ; Viral Proteins/biosynthesis ; Virus Replication/drug effects
    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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    Heterogeneity of vertebrate luteinizing hormone-releasing hormone (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-10-05
    Description: Radioimmunoassay and chromatography analyses of hypothalamic luteinizing hormone-releasing hormone (LHRH) have demonstrated the presence of LHRH-like immunoreactive peptides in a wide range of vertebrates. Contrary to previous reports, the molecule differs in various vertebrates. Avian, reptilian, and teleostean LHRH's are chemically distinct from the mammalian peptide but are in themselves indistinguishable. However, amphibian LHRH appears to be identical to the mammalian peptide. These findings have interesting evolutionary implications.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉King, J A -- Millar, R P -- New York, N.Y. -- Science. 1979 Oct 5;206(4414):67-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/384514" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Chromatography ; Gonadotropin-Releasing Hormone/*analysis/immunology ; Hypothalamus/analysis ; Radioimmunoassay ; Species Specificity ; Structure-Activity Relationship
    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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  • 4
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    Tight junctions in a fluid-transporting epithelium of an insect (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-04-06
    Description: Occluding junctions have been found between the lateral cell borders at the base of the rectum of Periplaneta americana. They appear as punctate membrane appositions in thin sections, and after incubation in physiological solutions containing lanthanum before fixation the inward penetration of tracer is impeded in this same basal area. Moreover, freeze-fracture studies of this region reveal simple linear ridges on fracture face P and grooves on fracture face E, which are similar to the less complex vertebrate tight junctions. The luminal clefts, which permit free inward diffusion of tracers, present no tight junctions, but do have septate junctions. These results support the contention that, contrary to earlier speculation, arthropods do possess tight junctions; these, rather than septate junctions, appear to form the morphological basis of at least some of the permeability barriers observed in invertebrates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lane, N J -- New York, N.Y. -- Science. 1979 Apr 6;204(4388):91-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/432631" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cockroaches/*ultrastructure ; Epithelium/physiology/ultrastructure ; Freeze Fracturing ; Intercellular Junctions/*ultrastructure ; Periplaneta/*ultrastructure ; Rectum/physiology/ultrastructure ; Species Specificity ; Water-Electrolyte Balance
    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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    Nucleotide sequence specificity of restriction endonucleases (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, H O -- New York, N.Y. -- Science. 1979 Aug 3;205(4405):455-62.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/377492" target="_blank"〉PubMed〈/a〉
    Keywords: *Base Sequence ; DNA Restriction Enzymes/*metabolism ; DNA, Bacterial ; Escherichia coli/enzymology ; Haemophilus influenzae/enzymology ; Species Specificity ; Substrate Specificity
    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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    Species-specific perceptual processing of vocal sounds by monkeys (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-05-25
    Description: Monkeys of four species were trained to discriminate between sets of natural tonal calls of Japanese macaques (Macaca fuscata) by the position of a frequency-inflection peak or by initial pitch. The Japanese macaques consistently performed best on peak position and the other species on pitch. The results imply special strategies for perceptional processing of vocal sounds and suggest parallels with human speech perception.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zoloth, S R -- Petersen, M R -- Beecher, M D -- Green, S -- Marler, P -- Moody, D B -- Stebbins, W -- New York, N.Y. -- Science. 1979 May 25;204(4395):870-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/108805" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Auditory Perception/*physiology ; Haplorhini ; Macaca/*physiology ; Species Specificity ; Speech Perception/*physiology ; 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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    Orientation anisotropy of visual stimuli in rhesus monkey: a behavior study (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-03
    Description: The contrast sensitivity of the rhesus monkey was tested, according to a modified reaction-time paradigm, for sine-wave grating targets at different orientations. The monkey possesses an oblique effect slightly larger than that of humans. A reaction time analysis showed the oblique effect to be a suprathreshold as well as a threshold phenomenon. The presence of this effect further strengthens the use of the monkey as a model for the human visual system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boltz, R L -- Harwerth, R S -- Smith, E L 3rd -- R01 EY001139/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 1979 Aug 3;205(4405):511-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/109923" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal ; Haplorhini ; Humans ; Macaca mulatta ; Species Specificity ; *Visual Perception
    Print ISSN: 0036-8075
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  • 8
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    Mitochondrial DNA analyses and the origin and relative age of parthenogenetic lizards (genus Cnemidophorus) (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-03-23
    Description: Morphological, karyological, and allozyme analyses indicate that the parthenogenetic lizards Cnemidophorus neomexicanus and diploid C. tesselatus are hybrids formed, respectively, by crosses involving the bisexual species C. tigris and C. inornatus, and C. tigris and C. septemvittatus. Mitochondrial DNA, which is inherited maternally, was obtained from each of these species. Analyses of the mitochondrial DNA's and their restriction endonuclease digestion products by electron microscopy and agarose gel electrophoresis support the hybridization hypothesis by indicating that C. tigris (specifically the subspecies marmoratus) was the maternal parent species for both C. neomexicanus and C. tesselatus. Furthermore, these data imply that these two parthenogenetic species are younger than some races of C. tigris.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brown, W M -- Wright, J W -- New York, N.Y. -- Science. 1979 Mar 23;203(4386):1247-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/424751" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA Restriction Enzymes/metabolism ; DNA, Mitochondrial/*genetics ; Lizards/*genetics ; *Parthenogenesis ; Reproduction ; Species Specificity
    Print ISSN: 0036-8075
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  • 9
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    Permeability of the cell-to-cell membrane channels in mammalian cell juncton (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-07-27
    Description: The channels in the junctions of various mammalian cell types--primary cultures and lines--were probed with a series of linear fluorescent amino acid and peptide molecules of different size and charge. Permeability is limited by probe size and electronegativity, these two factors apparently being related reciprocally. In respect to both factors, mammalian junctional channels are more restrictive than insect channels; hence the mammalian channels are narrower, more polar, or both. The channels of the various mammalian cell types differed slightly from each other; in some types the serum of the culture medium affected the channel permeability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flagg-Newton, J -- Simpson, I -- Loewenstein, W R -- New York, N.Y. -- Science. 1979 Jul 27;205(4404):404-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/377490" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Membrane/physiology ; *Cell Membrane Permeability ; Cells, Cultured ; Cricetinae ; Fluorescent Antibody Technique ; Kidney ; Mice ; Mice, Inbred BALB C ; Species Specificity
    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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    Shark heart mitochondria: effects of external osmolality on respiration (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-10-05
    Description: Shark mitochondrial respiration was studied in media with osmolalities between 160 and 1500 milliosmoles. The respiratory control ratio, a marker for functional integrity of the isolated mitochondria, was maximal at 1000 millismoles and decreased during hypotonic or hypertonic exposure. Shark mitochondria function best at their native tonicity, a value that produces abnormal function in mammalian mitochondria.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewiston, N -- Newman, A -- Robin, E -- Holtzman, D -- New York, N.Y. -- Science. 1979 Oct 5;206(4414):75-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/482928" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Diphosphate/metabolism ; Animals ; Mitochondria, Heart/*metabolism ; Mitochondria, Liver/metabolism ; *Osmolar Concentration ; *Oxygen Consumption ; Rats ; Sharks/*metabolism ; Species Specificity
    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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  • 11
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    A relationship between DNA helix stability and recognition sites for RNA polymerase (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-03
    Description: The RNA polymerase binding sites on the DNA of (i) the aroE-trkA-spc segment of the Escherichia coli genome, (ii) transposon Tn3, (iii) plasmid ColE1, and (iv) coliphage lambda were mapped by electron microscopy, with the use of the BAC technique; these maps were compared with the maps of the early-melting regions for the same genomes. The results indicate that in all these cases the binding sites for the E. coli RNA polymerase lie preferentially in the early melting regions of DNA. These data indicate that helix stability may be an important feature of the multipartite nature of the promoter structure.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vollenweider, H J -- Fiandt, M -- Szybalski, W -- New York, N.Y. -- Science. 1979 Aug 3;205(4405):508-11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/377494" target="_blank"〉PubMed〈/a〉
    Keywords: *DNA, Bacterial ; *DNA, Viral ; DNA-Directed RNA Polymerases/*metabolism ; Drug Stability ; Escherichia coli/enzymology ; *Genes ; Microscopy, Electron ; *Nucleic Acid Conformation ; Nucleic Acid Denaturation ; Plasmids ; Protein Binding ; Species Specificity
    Print ISSN: 0036-8075
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  • 12
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    Rotaviral immunity in gnotobiotic calves: heterologous resistance to human virus induced by bovine virus (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-02-09
    Description: The possibility of immunizing human infants against rotaviruses, which cause severe dehydrating diarrheal disease, may depend on the use of a related rotavirus, derived from another animal species, as a source of antigen. To test the feasibility of this approach, calves were infected in utero with a bovine rotavirus and challenged with bovine or human type 2 rotavirus shortly after birth. Infection in utero with bovine rotavirus induced resistance to diarrheal disease caused by the human virus as well as the homologous bovine virus. These data suggest that the bovine virus is sufficiently related antigenically to the human type 2 virus to warrant further evaluation of the former as a source of vaccine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wyatt, R G -- Mebus, C A -- Yolken, R H -- Kalica, A R -- James, H D Jr -- Kapikian, A Z -- Chanock, R M -- New York, N.Y. -- Science. 1979 Feb 9;203(4380):548-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/216077" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn/immunology ; Cattle ; Cross Reactions ; Diarrhea, Infantile/prevention & control ; Germ-Free Life ; Humans ; Immunization ; RNA Viruses/*immunology ; Rotavirus/*immunology ; Species Specificity ; Viral Vaccines/immunology ; Virus Diseases/*prevention & control
    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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  • 13
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    Temperature-dependent sex determination in turtles (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-12-07
    Description: The sex of hatchling map turtles is determined by incubation temperature of eggs in the laboratory as well as in nature. Temperature controls sex differentiation rather than causing a differential mortality of sexes. Temperature has no effect on sex determination in a soft-shelled turtle.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bull, J J -- Vogt, R C -- New York, N.Y. -- Science. 1979 Dec 7;206(4423):1186-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/505003" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Genotype ; Male ; *Sex Determination Analysis ; Species Specificity ; Temperature ; Turtles/*physiology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 14
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    Chemical carcinogens: estimating the risk (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reitz, R H -- Quast, J F -- Watanabe, P G -- Gehring, P J -- New York, N.Y. -- Science. 1979 Sep 21;205(4412):1206-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/472737" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biotransformation ; *Carcinogens ; Humans ; Risk ; Species Specificity ; Vinyl Chloride/metabolism
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    Derived X chromosome in the turtle genus Staurotypus (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-12-21
    Description: C-banding, G-banding, and silver (Ag-AS) staining techniques reveal a distinctive sex chromosome system in the turtle Staurotypus salvinii. Unlike previously described systems in most other vertebrate groups in which the Y or W is derived and the homogametic sex represents the primitive condition, the reverse is true for S. salvinii. The X chromosome is derived; thus the homogametic sex (female) is more derived than the heterogametic sex. The male is intermediate between the female and the ancestral condition observed in other turtle species. Staurotypus does not confirm to the general model of sex chromosome evolution for diploid dioecious organisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sites, J W Jr -- Bickham, J W -- Haiduk, M W -- New York, N.Y. -- Science. 1979 Dec 21;206(4425):1410-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/92052" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Female ; Sex Chromosomes/*ultrastructure ; Silver ; Species Specificity ; Staining and Labeling ; Turtles/*anatomy & histology ; X Chromosome/*ultrastructure
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  • 16
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    Morphological affinities of Pan paniscus (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-06-22
    Description: Although the pygmy chimpanzee (Pan paniscus) is more similar to man than is the common chimpanzee (Pan troglodytes) in some traits, the resemblance is due primarily to the smaller size and concomitant allometric generalization of the former. The two species of chimpanzees are equally good models for the common ancestry of African apes and man.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Corruccini, R S -- McHenry, H M -- New York, N.Y. -- Science. 1979 Jun 22;204(4399):1341-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451545" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthropometry ; Biometry ; Humans ; Pan troglodytes/*anatomy & histology/growth & development ; Species Specificity
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
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    Cholecystokinin octapeptide: continuous picomole injections into the cerebral ventricles of sheep suppress feeding (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-10-26
    Description: Cholecystokinin octapeptide decreased food intake in a dose-related manner when injected continuously into the lateral cerebral ventricles of sheep that had been deprived of food for 2, 4, 8, or 24 hours. In sheep deprived of food for 2 hours, as little as 0.01 picomole per minute suppressed feeding 35 percent 1 hour after beginning injection. Pentagastrin also decreased feeding in the 2-hour group, but only at a much higher dose range. Secretin had no effect. These findings support the hypothesis that cholecystokinin octapeptide acts on central nervous system structures that are involved in control of food intake.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Della-Fera, M A -- Baile, C A -- New York, N.Y. -- Science. 1979 Oct 26;206(4417):471-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/504989" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/drug effects ; Cholecystokinin/administration & dosage/*pharmacology ; Depression, Chemical ; Feeding Behavior/*drug effects ; Injections, Intraventricular ; Pentagastrin/pharmacology ; Peptide Fragments/pharmacology ; Rats ; Secretin/pharmacology ; Sheep ; Species Specificity
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  • 18
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    Echolocation and pursuit of prey by bats (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-01-05
    Description: Echolocating bats use different information-gathering strategies for hunting prey in open, uncluttered environments, in relatively open environments with some obstacles, and in densely cluttered environments. These situations differ in the extent to which individual targets such as flying insects can be detected as isolated objects or must be separated perceptually from backgrounds. Echolocating bats also differ in whether they use high-resolution, multidimensional images of targets or concentrate specifically on one particular target dimension, such as movement, to detect prey.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Simmons, J A -- Fenton, M B -- O'Farrell, M J -- New York, N.Y. -- Science. 1979 Jan 5;203(4375):16-21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/758674" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Chiroptera/*physiology ; Echolocation/*physiology ; Environment ; Orientation/*physiology ; Predatory Behavior/physiology ; Species Specificity ; Ultrasonics
    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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