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Hogan, J. (2005). Causation: the study of behavioural mechanisms. Animal Biology (formerly Netherlands Journal of Zoology), 55(4), 323–341.
Abstract: This paper describes current work on the causal analysis of behaviour systems. It is noted that while causal work investigating the neural, hormonal, and genetic bases of behaviour is flourishing, work being conducted at a strictly behavioural level of analysis has declined greatly over the past 40 years. Nonetheless, most recent research on animal cognition and applied ethology is still being carried out at a behavioural level of analysis and examples of both types of research are presented: memory mechanisms of food-storing birds and decisions of spider-eating jumping spiders, as well as feather pecking in fowl and animal welfare issues, are all briefly discussed. Finally, I discuss the similarities between neural network modelling and early ethological models of motivation, and then show how a modern version of Lorenz's model of motivation can account for current research findings on dustbathing in chickens and sleep in humans. I conclude that valuable information can still be obtained by research at a behavioural level of analysis.
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Milgram, N. W. (2003). Cognitive Experience and Its Effect on Age-Dependent Cognitive Decline in Beagle Dogs. Neurochemical Research, 28(11), 1677–1682.
Abstract: Test-sophisticated beagle dogs show marked age sensitivity in a size discrimination learning task, with old and senior dogs performing significantly more poorly than young dogs. By contrast, age differences in learning were not seen in dogs naive with respect to neuropsychological test experience. These results indicate that old animals benefit less from prior cognitive experience than young animals, which is an example of an age-dependent loss in plasticity. This finding also suggests that behaviorally experienced animals are a more useful model of human cognitive aging than behaviorally naive animals. We also looked at the effect of a program of behavioral enrichment in aged dogs. One year of enrichment did not lead to significant differences, but after 2 years the behaviorally enriched group performed significantly better than the control group. The effect after 2 years indicates that a prolonged program of cognitive enrichment can serve as an effective intervention in aged dogs. These findings demonstrate that cognitive abilities in aged animals can be modified by providing behavioral experience, indicating that cognitive abilities remain moderately plastic, even in very old animals.
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Bekoff, M. (2006). Animal Passions And Beastly Virtues: Cognitive Ethology As The Unifying Science For Understanding The Subjective, Emotional, Empathic, And Moral Lives Of Animals. Zygon, 41, 71–104.
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Best, T., Kemps, E., & Bryan, J. (2005). Effects of Saccharides on Brain Function and Cognitive Performance. Nutrition Reviews, 63, 409–418.
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Cruz, H. (2006). Towards a Darwinian Approach to Mathematics. Foundations of Science, 11, 157–196.
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Purpura, G. J. (2006). In Search of Human Uniqueness. Philosophical Psychology, 19, 443–461.
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Sickler, J., Fraser, J., Webler, T., Reiss, D., Boyle, P., Lyn, H., et al. (2006). Social Narratives Surrounding Dolphins: Q Method Study. Society and Animals, 14, 351–382.
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