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  • 1
    Electronic Resource
    Electronic Resource
    THE EFFECTS OF SELECTIVE DEPRIVATION OF STATES OF SLEEP IN THE DEVELOPING MONKEY (1966)
    Oxford, UK : Blackwell Publishing Ltd
    Psychophysiology 2 (1966), S. 0 
    Details
    ISSN: 1469-8986
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Psychology
    Notes: Four groups, two comprising three neonatal rhesus monkeys and two comprising two juvenile rhesus monkeys, were selectively deprived of either low-voltage, fast-wave sleep (LVF) or of high-voltage, slow-wave sleep (HVS), respectively. Both infant and juvenile Ss displayed an over-all increase in threshold to the tone-shock combination during the deprivation of either phase of sleep. However, the thresholds of the infant Ss were greater, throughout deprivation, than the thresholds of the juvenile Ss.The juvenile Ss exposed to LVF deprivation were unique in exhibiting a sharp increase in frequency of forced awakenings from LVF, to values significantly greater than for the other groups, and in displaying compensatory recovery effects, manifested by increases in proportion of total sleep time spent in LVF, following termination of deprivation.Behavioral disturbances accompanying deprivation were not evident in any of the experimental groups.The study revealed a number of methodological problems related to the definition and to the selective deprivation of a particular state of sleep.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1469-8986.1966.tb02665.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    AN AUTOMATIC ANALYZER OF STATES OF VIGILANCE (1965)
    Oxford, UK : Blackwell Publishing Ltd
    Psychophysiology 2 (1965), S. 0 
    Details
    ISSN: 1469-8986
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Psychology
    Notes: An assemblage of relay-operated, commercially available programming modules is described. It is capable of discriminating among the states of vigilance wakefulness (W): high-voltage, slow-wave sleep (HVS); and low-voltage, fast-wave sleep (LVF) and it requires information from only the nuchal electromyogram (EMG) and the electrooculogram (EOG).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1469-8986.1965.tb03258.x
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    Paper (German National Licenses)
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  • 3
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    Genetics, age, and the variability of learning performances (1963)
    Provincetown, Mass., etc. : Periodicals Archive Online (PAO)
    The Journal of Genetic Psychology. 102:2 (1963:June) 267 
    Details
    ISSN: 0022-1325
    Topics: Psychology
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:3284-1963-102-02-000011
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  • 4
    Electronic Resource
    Electronic Resource
    Maternal Behaviour of Feral- and Laboratory-Reared Monkeys Following the Surgical Delivery of Their Infants (1965)
    [s.l.] : Nature Publishing Group
    Nature 206 (1965), S. 492-493 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RHESUS monkeys (Macaca mulatto) which have been laboratory born and individually reared in wire cages without peers or mothers, real or surrogate, with only auditory and visual contact with other monkeys may demonstrate essentially normal reproductive behaviours when observed at 3.5?5 years of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/206492a0
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  • 5
    Electronic Resource
    Electronic Resource
    Genetic and behavioral aspects of pharmacologically induced arousal (1963)
    Springer
    Psychopharmacology 4 (1963), S. 81-90 
    Details
    ISSN: 1432-2072
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Previously reported studies have shown clear differences among strains of inbred mice in response to a variety of novel situations and to certain pharmacologic agents. The purpose of the present study was to test the tenability of the hypothesis that such behavioral differences between genetically distinct groups may be a function of arousal system differences. To achieve this objective while using a pharmacologic method, the investigators assumed: (1) that the state of arousal of the organism is isomorphic to the effects of certain depressant and excitatory drugs; and (2) that a direct relation exists between quantitative differences in overt behavior and the cumulative effects of the drug. Four drugs were selected which could produce measurable changes on an arousal continuum from sleep (pentobarbital), through quiescence (chlorpromazine) and alertness (amphetamine), to convulsions (pentylenetetrazol). Similarly, four strains of mice were selected which show related differences in normal activity: BALB/c, C3H/An, DBA/2, and C57BL/6. Although significant strain differences appeared in base-activity levels as well as in the responses to the standard doses of the drugs and of the placebo, only the responses to pentobarbital and amphetamine were entirely consistent with an arousal hypothesis. The duration of the effect of pentylenetetrazol was also consistent but the latency of that effect was not. At best, the effect of chlorpromazine was that of a mild stimulant, contrary to the justification for its inclusion in this study. Clearly the rigid adherence to any one theoretical orientation in the interpretation of strain-activity phenomena is premature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00413326
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  • 6
    Electronic Resource
    Electronic Resource
    Operant cycles and imitational learning in a social setting (1971)
    Springer
    Primates 12 (1971), S. 221-227 
    Details
    ISSN: 0032-8332
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The provisioning of a communally-maintained group of rhesus monkeys with operant procedures reveals the following: (1) the temporal interaction of the daily work cycles for several discrete reinforcers; (2) the interaction of these cycles with other patterns of social activity; (3) the independent acquisition of operant schedules by animals recently born to the group and of new schedules by all members of the group.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01730412
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  • 7
    Electronic Resource
    Electronic Resource
    Dominance status and certain operants in a communal colony of rhesus macaques (1971)
    Springer
    Primates 12 (1971), S. 209-219 
    Details
    ISSN: 0032-8332
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract This study was designed to test the hypothesis that in some species of primates individual differences in responsiveness to certain situations is related to dominance status. During the first phase of the study, the existence of a linear dominance hierarchy was confirmed by ratings of agonistic interactions. In the second phase, bar-pressing behavior was recorded on a cumulative recorder while the experimenter simultaneously rated, at 30-second intervals, all animals present in the research setting. Results indicated that dominance status was systematically related both to rate of bar-pressing and to duration of response blocks, with the more dominant animals bar-pressing at slower rates for longer blocks of time. The finding that individual differences in rate did not vary with social context suggests that dominance-related differences in responsiveness may be quite stable. Certain dominancerelated trends in the variation of social context in the research setting were also noted.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01730411
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