Social development in nursery-reared pigtailed macaques (Macaca nemestrina)

Worlein, Julie M.; Sackett, Gene P.

doi:10.1002/(sici)1098-2345(1997)41:1<23::aid-ajp2>3.0.co;2-1

Cited by 27 publications

(5 citation statements)

References 38 publications

(44 reference statements)

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“…All infants were fed with formula (Enfamil) for 2 weeks and supplemented with Purina monkey chow according to the IPRL schedule. The infants' care protocols have been validated to produce infants with normal behavioral repertoires [14] and were approved by the WaNPRC and the institutional animal care committee. For each cycle, two infants were infected with HIV-2 287 (0.1 ml containing 10 3 times the median tissue culture infectious dose) either by the intravenous or intrathecal (into CSF) route, while a third animal was used as an uninfected control.…”

Section: Experimental Designmentioning

confidence: 99%

HIV in central nervous system and behavioral development

Kinman¹,

Worlein²,

Leigh³

et al. 2004

Aids

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The HIV-2287 infant model produced a high incidence of viral infection in the CNS regardless of the route of inoculation. Significant alteration in neurobehavioral development was observed in HIV-infected infants, and this measure was significantly impaired particularly in infants infected by the intravenous route. These data, coupled with the ability to detect viral RNA and changes in quinolinic acid levels in CSF, may allow quantitative evaluation of drug and immune candidates for treating neurological effects of AIDS.

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Section: Experimental Designmentioning

confidence: 99%

HIV in central nervous system and behavioral development

Kinman¹,

Worlein²,

Leigh³

et al. 2004

Aids

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“…Only four behaviors were considered (Passive, Explore, Fear/Disturb, Play), the others like Sex and Aggression being not present or appearing only marginally in the data. More details about the procedure used to collect the data and traditional analysis can be found for instance in Worlein & Sackett (1997) and in Novak & Sackett (1997). It must be noted that since these data were obtained by observing and interpreting the behavior of young monkeys, they are subjective and can possibly include mistakes.…”

Section: Behavior Of Young Monkeysmentioning

confidence: 99%

High-order extensions of the Double Chain Markov Model

Berchtold

2002

Stochastic Models

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The Double Chain Markov Model is a fully Markovian model for the representation of time-series in random environment. In this article, we s h o w that it can handle transitions of high-order between both a set of obsevations and a set of hidden states. In order to reduce the number of parameters, each transition matrix can be replaced by a Mixture Transition Model. We provide a complete derivation of the algorithms needed to compute the model. Three applications, the analysis of a sequence of DNA, the song of the wood pewee and the behavior of young monkeys, show that this model is of great interest for the representation of data which can be decomposed into a nite set of patterns.

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“…Data collection followed a standard protocol and observational method (Ruppenthal and Sackett, 1992;Novak and Sackett, 1997;Worlein and Sackett, 1997). Data were collected during playroom socialization in groups of four or five infants between 16 and 363 days of age.…”

Section: Subject Characteristics and The Observational Coding Systemmentioning

confidence: 99%

“…In terms of frequency and duration, the four categories of Passive, Explore, Fear/Disturbance, and Play constitute over 98% of the behavioral repertoire of our nursery-raised infant monkeys (Worlein and Sackett, 1997). To simplify our presentation, we deal only with these four categories.…”

Section: Subject Characteristics and The Observational Coding Systemmentioning

confidence: 99%

The Time Resolution in Lag-Sequential Analysis: A Choice with Consequences

Berchtold¹,

Sackett²

2021

Journal of Data Science

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The creation of data sets using observational methods for the lag-sequential study of behavior requires selection of a recording time unit. This is an important issue, because standard methods such as momentary sampling and partial-interval sampling, for instance, consistently underestimate the frequency of some behaviors. This leads to inaccurate estimation of both unconditional and conditional probabilities of the different behaviors, the basic descriptive and analytic tools of sequential analysis methodology. The purpose of this paper is to investigate the creation of data sets usable for the purpose of sequential analysis. We show that such data vary depending on the time resolution and that inaccurate choices lead to biased estimations of transition probabilities.

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Social development in nursery-reared pigtailed macaques (Macaca nemestrina)

Cited by 27 publications

References 38 publications

HIV in central nervous system and behavioral development

HIV in central nervous system and behavioral development

High-order extensions of the Double Chain Markov Model

The Time Resolution in Lag-Sequential Analysis: A Choice with Consequences

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