782 resultados para Behavioural Intention
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The use of behavioural indicators of suffering and welfare in captive animals has produced ambiguous results. In comparisons between groups, those in worse condition tend to exhibit increased overall rate of Behaviours Potentially Indicative of Stress (BPIS), but when comparing within groups, individuals differ in their stress coping strategies. This dissertation presents analyses to unravel the Behavioural Profile of a sample of 26 captive capuchin monkeys, of three different species (Sapajus libidinosus, S. flavius and S. xanthosternos), kept in different enclosure types. In total, 147,17 hours of data were collected. We explored four type of analysis: Activity Budgets, Diversity indexes, Markov chains and Sequence analyses, and Social Network Analyses, resulting in nine indexes of behavioural occurrence and organization. In chapter One we explore group differences. Results support predictions of minor sex and species differences and major differences in behavioural profile due to enclosure type: i. individuals in less enriched enclosures exhibited a more diverse BPIS repertoire and a decreased probability of a sequence with six Genus Normative Behaviour; ii. number of most probable behavioural transitions including at least one BPIS was higher in less enriched enclosures; iii. proeminence indexes indicate that BPIS function as dead ends of behavioural sequences, and proeminence of three BPIS (pacing, self-direct, active I) were higher in less enriched enclosures. Overall, these data are not supportive of BPIS as a repetitive pattern, with a mantra-like calming effect. Rather, the picture that emerges is more supportive of BPIS as activities that disrupt organization of behaviours, introducing “noise” that compromises optimal activity budget. In chapter Two we explored individual differences in stress coping strategies. We classified individuals along six axes of exploratory behaviour. These were only weakly correlated indicating low correlation among behavioural indicators of syndromes. Nevertheless, the results are suggestive of two broad stress coping strategies, similar to the bold/proactive and shy/reactive pattern: more exploratory capuchin monkeys exhibited increased values of proeminence in Pacing, aberrant sexual display and Active 1 BPIS, while less active animals exhibited increased probability in significant sequences involving at least one BPIS, and increased prominence in own stereotypy. Capuchin monkeys are known for their cognitive capacities and behavioural flexibility, therefore, the search for a consistent set of behavioural indictors of welfare and individual differences requires further studies and larger data sets. With this work we aim contributing to design scientifically grounded and statistically correct protocols for collection of behavioural data that permits comparability of results and meta-analyses, from whatever theoretical perspective interpretation it may receive.
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Funded by The Scottish Government
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We would like to thank the following study authors for providing additional data and clarifications: Alison Fielding, Haldis Lier, Monica Nijamkin, Jane Ogden, Anastasios Papalazarou, Manish Parikh, Brian Swenson, Andresa Triffoni, Jean Michel Oppert, Marie-France Langlois, David Sarwer and Dale Bond. We also thank Dr. Kevin Deans and the staff at the bariatric surgery clinic at Aberdeen Royal Infirmary. The Health Services Research Unit, University of Aberdeen, is funded by the Chief Scientist Office of the Scottish Government Health Directorates. The views expressed are those of the authors.
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Funded by The Scottish Government
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We would like to thank the following study authors for providing additional data and clarifications: Alison Fielding, Haldis Lier, Monica Nijamkin, Jane Ogden, Anastasios Papalazarou, Manish Parikh, Brian Swenson, Andresa Triffoni, Jean Michel Oppert, Marie-France Langlois, David Sarwer and Dale Bond. We also thank Dr. Kevin Deans and the staff at the bariatric surgery clinic at Aberdeen Royal Infirmary. The Health Services Research Unit, University of Aberdeen, is funded by the Chief Scientist Office of the Scottish Government Health Directorates. The views expressed are those of the authors.
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Acknowledgments This work was supported by the University of Konstanz, Germany. The first author was supported by a fellowship of the Swiss National Science Foundation (Fellowship P2ZHP1_155103).
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Funding and trial registration: Scottish Government Chief Scientist Office grant CZH/3/17. ClinicalTrials.gov registration NCT01602705.
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This article investigates the link between political sophistication and electoral volatility. Showing that there is disagreement in the literature on whether switching party preferences is related to low or high levels of political sophistication, it is then argued that the effect of sophistication on vote switching might differ depending on when switching is measured. The effect of timing on volatility is investigated by means of the Short-term panel of the 2009 German Longitudinal Election Study. Results indicate that timing indeed matters, while sophistication increases the probability of switching parties before the campaign, the effect of political sophistication becomes more negative as Election Day draws near.
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Essai doctoral d'intégration présenté à la Faculté des Études Supérieures et Postdoctorales en vue de l'obtention du grade de Docteur en psychologie (D.Psy.), en psychologie clinique
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Mémoire numérisé par la Direction des bibliothèques de l'Université de Montréal.
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Mémoire numérisé par la Direction des bibliothèques de l'Université de Montréal.
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There is growing evidence that the complexity of higher organisms does not correlate with the ‘complexity’ of the genome (the human genome contains fewer protein coding genes than corn, and many genes are preserved across species). Rather, complexity is associated with the complexity of the pathways and processes whereby the cell utilises the deoxyribonucleic acid molecule, and much else, in the process of phenotype formation. These pro- cesses include the activity of the epigenome, noncoding ribonucleic acids, alternative splicing and post-transla- tional modifications. Not accidentally, all of these pro- cesses appear to be of particular importance for the human brain, the most complex organ in nature. Because these processes can be highly environmentally reactive, they are a key to understanding behavioural plasticity and highlight the importance of the developmental process in explaining behavioural outcomes.
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Essai doctoral d'intégration présenté à la Faculté des Études Supérieures et Postdoctorales en vue de l'obtention du grade de Docteur en psychologie (D.Psy.), en psychologie clinique
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Mémoire numérisé par la Direction des bibliothèques de l'Université de Montréal.
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Mémoire numérisé par la Direction des bibliothèques de l'Université de Montréal.