10 research outputs found

    The Electronic Document Retention System Ate My Homework: Gross Negligence and the Rebuttable Presumption of Prejudice within the Doctrine of Spoliation in Federal Courts

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    (Excerpt) This Note argues against imposing such a rebuttable presumption where the spoliating party acted with gross negligence. Part I provides a general background of the doctrine of spoliation and its application to electronic information. Part II examines the three different approaches taken by the federal circuits to whether gross negligence should trigger a rebuttable presumption that the spoliated evidence was prejudicial to the spoliating party. Finally, Part III argues that courts should not allow gross negligence to trigger a rebuttable presumption that the spoliated evidence was prejudicial to the spoliating party

    The importance of the altricial – precocial spectrum for social complexity in mammals and birds:A review

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    Various types of long-term stable relationships that individuals uphold, including cooperation and competition between group members, define social complexity in vertebrates. Numerous life history, physiological and cognitive traits have been shown to affect, or to be affected by, such social relationships. As such, differences in developmental modes, i.e. the ‘altricial-precocial’ spectrum, may play an important role in understanding the interspecific variation in occurrence of social interactions, but to what extent this is the case is unclear because the role of the developmental mode has not been studied directly in across-species studies of sociality. In other words, although there are studies on the effects of developmental mode on brain size, on the effects of brain size on cognition, and on the effects of cognition on social complexity, there are no studies directly investigating the link between developmental mode and social complexity. This is surprising because developmental differences play a significant role in the evolution of, for example, brain size, which is in turn considered an essential building block with respect to social complexity. Here, we compiled an overview of studies on various aspects of the complexity of social systems in altricial and precocial mammals and birds. Although systematic studies are scarce and do not allow for a quantitative comparison, we show that several forms of social relationships and cognitive abilities occur in species along the entire developmental spectrum. Based on the existing evidence it seems that differences in developmental modes play a minor role in whether or not individuals or species are able to meet the cognitive capabilities and requirements for maintaining complex social relationships. Given the scarcity of comparative studies and potential subtle differences, however, we suggest that future studies should consider developmental differences to determine whether our finding is general or whether some of the vast variation in social complexity across species can be explained by developmental mode. This would allow a more detailed assessment of the relative importance of developmental mode in the evolution of vertebrate social systems

    The Electronic Document Retention System Ate My Homework: Gross Negligence and the Rebuttable Presumption of Prejudice within the Doctrine of Spoliation in Federal Courts

    Get PDF
    (Excerpt) This Note argues against imposing such a rebuttable presumption where the spoliating party acted with gross negligence. Part I provides a general background of the doctrine of spoliation and its application to electronic information. Part II examines the three different approaches taken by the federal circuits to whether gross negligence should trigger a rebuttable presumption that the spoliated evidence was prejudicial to the spoliating party. Finally, Part III argues that courts should not allow gross negligence to trigger a rebuttable presumption that the spoliated evidence was prejudicial to the spoliating party

    Dolphin Communication Project

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    Vocal activities reflect the temporal distribution of bottlenose dolphin social and non-social activity in a zoological park

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    International audienceUnder natural conditions bottlenose dolphins (Tursiops truncatus) spend their time mostly feeding and then travelling, socializing, or resting. These activities are not randomly distributed, with feeding being higher in early morning and late afternoon. Social activities and vocal behavior seem to be very important in dolphin daily activity. This study aimed to describe the activity time-budget and its relation to vocal behavior for dolphins in a zoological park. We recorded behaviors and vocalizations of six dolphins over 2 months. All subjects performed more non-agonistic social interactions and play in the morning than in the afternoon. The different categories of vocalizations were distributed non-randomly throughout the day, with more chirps in the afternoon, when the animals were “less social.” The most striking result was the strong correlation between activities and the categories of vocalizations produced. The results confirm the association between burst pulses and whistles with social activities, but also reveal that both are also associated with solitary play. More chirps were produced when dolphins were engaged in socio-sexual behaviors, emphasizing the need for further questioning about the function of this vocal category. This study reveals that: (i) in a group kept in zoological management, social activities are mostly present in the morning; and (ii) the acoustic signals produced by dolphins may give a reliable representation of their current activities. While more studies on the context of signal production are needed, our findings provide a useful tool for understanding free ranging dolphin behavior when they are not visible
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