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    Neuroleptic-induced "anhedonia" in rats: pimozide blocks reward quality of food (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-07-21
    Description: The dopamine receptor blocker pimozide attenuated lever-pressing and running for food reward in hungry rats. In each case the characteristic behavior of pimozide-treated rats was the same as that of undrugged rats when reward was simply withheld. Drug-induced performance difficulties were ruled out by the presence of periods of normal responding in drug-treated animals. Pimozide appears to selectively blunt the rewarding impact of food and other hedonic stimuli.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wise, R A -- Spindler, J -- deWit, H -- Gerberg, G J -- New York, N.Y. -- Science. 1978 Jul 21;201(4352):262-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/566469" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/drug effects ; Conditioning, Operant/drug effects ; Food ; Humans ; Parkinson Disease/physiopathology ; Pimozide/*pharmacology ; Rats ; Receptors, Dopamine/drug effects ; *Reward ; Schizophrenia/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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  • 2
    Electronic Resource
    Electronic Resource
    Alfalfa,Medicago sativa L., establishment in mine mill tailings (1983)
    Springer
    Plant and soil 73 (1983), S. 239-246 
    Details
    ISSN: 1573-5036
    Keywords: Alfalfa ; Iron tailings ; Medicago sativa L ; Shoot-root ratios ; Stratification ; Slime layers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Alfalfa plant excavations were made in iron tailings and natural soil as a means to observe their root development between two contrasting substrates. In tailings, alfalfa roots concentrated heavily in strata of clay layers. In coarse-textured tailings without clay layers, roots concentrated more at the surface with few roots penetrating deep into the tailings. Similar root morphology was observed in natural soil excavations. Roots And N-fixing nodules were concentrated in fine-textured soil layers having better moisture-holding capaclity and mineral nutrient status than the coarser materials. Regardless of the kind of growing medium, tailingsvs natural soils, roots concentrated where the growing environment is most favourable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02197719
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    Paper (German National Licenses)
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