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Doucette, T. A., Ryan, C. L., & Tasker, R. A. (2007). Gender-based changes in cognition and emotionality in a new rat model of epilepsy. Amino Acids, 32, 317–322.
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Bizot J.-C., & Thiebot M.-H. (1996). Impulsivity as a confounding factor in certain animal tests of cognitive function. Cognitive Brain Research, 3, 243–250.
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Weed M.R., Taffe M.A., Polis I., Roberts A.C., Robbins T.W., Koob G.F., et al. (1999). Performance norms for a rhesus monkey neuropsychological testing battery: acquisition and long-term performance. Cognitive Brain Research, 8, 185–201.
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Quinn P.C., Eimas P.D., & Tarr M.J. (2001). Perceptual Categorization of Cat and Dog Silhouettes by 3- to 4-Month-Old Infants. Journal of Experimental Child Psychology, 79, 78–94.
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Tavares M.C.H., & Tomaz C. (2002). Working memory in capuchin monkeys (Cebus apella). Behav. Brain. Res., 131, 131–137.
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Held, S., Mendl, M., Devereux, C., & Byrne, R. W. (2001). Studies in Social Cognition: From Primates to Pigs. Animal Welfare, 10, 209–217.
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Evans, C. S., & Evans, L. (2007). Representational signalling in birds. Biology Letters, 3(1), 8–11.
Abstract: Some animals give specific calls when they discover food or detect a particular type of predator. Companions respond with food-searching behaviour or by adopting appropriate escape responses. These signals thus seem to denote objects in the environment, but this specific mechanism has only been demonstrated for monkey alarm calls. We manipulated whether fowl (Gallus gallus) had recently found a small quantity of preferred food and then tested for a specific interaction between this event and their subsequent response to playback of food calls. In one treatment, food calls thus potentially provided information about the immediate environment, while in the other the putative message was redundant with individual experience. Food calls evoked substrate searching, but only if the hens had not recently discovered food. An identical manipulation had no effect on responses to an acoustically matched control call. These results show that chicken food calls are representational signals: they stimulate retrieval of information about a class of external events. This is the first such demonstration for any non-primate species. Representational signalling is hence more taxonomically widespread than has previously been thought, suggesting that it may be the product of common social factors, rather than an attribute of a particular phylogenetic lineage.
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Rescorla, R. A., & Holland, P. C. (1982). Behavioral Studies of Associative Learning in Animals. Annual Review of Psychology, 33(1), 265–308.
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Kamil, A. C., & Roitblat, H. L. (1985). The Ecology of Foraging Behavior: Implications for Animal Learning and Memory. Annual Review of Psychology, 36(1), 141–169.
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Ducro, B. J., Koenen, E. P. C., van Tartwijk, J. M. F. M., & Bovenhuis, H. (2007). Genetic relations of movement and free-jumping traits with dressage and show-jumping performance in competition of Dutch Warmblood horses. Livestock Science, 107(2-3), 227–234.
Abstract: Genetic parameters for traits evaluated at the studbook entry inspection and genetic correlations with dressage and show-jumping performance in competition were estimated. Data comprised 36,649 Warmblood horses that entered the studbook between 1992 and 2002. The genetic analyses were performed using univariate and bivariate animal models. Heritabilities of the studbook entry traits were estimated in the range 0.15-0.40. The movement traits showed moderate to strong mutual genetic correlations, whereas the genetic correlations of movement traits with free-jumping traits were weak to moderate. The free-jumping traits showed strong to very strong mutual genetic correlations. Competition results of 33,459 horses with performance in dressage and 30,474 horse with performance in show-jumping were linked to the studbook entry data to estimate the genetic relationship with performance in competition. Heritability estimates for dressage and show jumping were 0.14. Genetic correlations of the movement traits with dressage were moderate to strong, and with show-jumping weak to moderate. Genetic correlations of the free-jumping traits with dressage were weak to moderate and unfavourable. The free-jumping traits were genetically strong to very strong correlated to show-jumping. It was concluded that a selection of the traits evaluated at the studbook entry inspection will favourably contribute to estimation of breeding values for sport performance.
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