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Kwang Ng Aik; Rodrigues Daphne |
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Title |
A Big-Five Personality Profile of the Adaptor and Innovator |
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2011 |
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The Journal of Creative Behavior |
Abbreviated Journal |
J. Creativ. Behav. |
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36 |
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4 |
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254-268 |
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This study explored the relationship between two creative styles (adaptor and innovator) and the Big Five personality traits (extraversion, agreeableness, conscientiousness, neuroticism, and openness to experience). 164 teachers from 3 secondary and 2 primary schools in Singapore completed a self?report questionnaire, which consisted of the Kirton Adaption?Innovation Inventory and the NEO?Five Factor Inventory. It was found that adaptors were significantly more conscientious than innovators, while innovators were significantly more extraverted and open to experience than adaptors. No significant differences were found between adaptors and innovators in neuroticism and agreeableness. The study also revealed a meaningful pattern of relationships between the Big Five personality traits and the three facet scales of the KAI. Specifically, Sufficiency of Originality was negatively correlated with Openness to Experience and Extraversion; Rule Governance was positively correlated with conscientiousness but negatively correlated with openness to experience; Efficiency was positively correlated with conscientiousness. The overall findings supported the fundamental contention that different creative styles were due to different combinations of personality traits, with adaptors being more conscientious, while innovators being more extraverted and open to experience. These personality?based differences in creative styles between adaptors and innovators had resulted in much social conflict between them. One way of resolving it is to make known the nature and value of different creative styles to these two different types of creators. |
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Wiley-Blackwell |
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doi: 10.1002/j.2162-6057.2002.tb01068.x |
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Equine Behaviour @ team @ |
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6384 |
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Maury, M.; Murphy, K.; Kumar, S.; Mauerer, A.; Lee, G. |
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Title |
Spray-drying of proteins: effects of sorbitol and trehalose on aggregation and FT-IR amide I spectrum of an immunoglobulin G |
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2005 |
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European Journal of Pharmaceutics and Biopharmaceutics |
Abbreviated Journal |
Eur. J. Pharm. Biopharm. |
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59 |
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2 |
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251-261 |
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Immunoglobulin; Spray-drying; Stabilization; Sorbitol; Trehalose; Water replacement |
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An immunoglobulin G (IgG) was spray-dried on a Büchi 190 laboratory spray-dryer at inlet and outlet air temperatures of 130 and 190°C, respectively. The IgG solution contains initially 115mg/ml IgG plus 50mg/ml sorbitol. After dialysis, at least 80% of low molecular weight component was removed. After spray-drying the dialyzed IgG and immediate redissolution of the powder, an increase in aggregates from 1 to 17% occurred. A major shift towards increase β-sheet structure was detected in the spray-dried solid, which, however, reverted to native structure on redissolution of the powder. A correlation between aggregation determined by size exclusion chromatography and alterations in secondary structure determined by Fourier transformation infra-red spectroscopy could not therefore be established. On spray-drying a non-dialyzed, sorbitol-containing IgG only some 0.7% aggregates were formed. The sorbitol is therefore evidently able to stabilize partially the IgG during the process of spray-drying. Addition of trehalose to the liquid feed produced quantitatively the same stabilizing action on the IgG during spray-drying as did the sorbitol. This finding again points towards a water replacement stabilization mechanism. The IgG spray-dried powder prepared from the dialyzed liquid feed showed continued substantial aggregation on dry storage at 25°C. This was substantially less in the non-dialyzed, sorbitol-containing spray-dried powder. Addition of trehalose to both dialyzed and non-dialyzed system produced substantial improvement in storage stability and reduction in aggregate formation in storage. The quantitative stabilizing effect of the trehalose was only slightly higher than that of the sorbitol. Taken together, these results indicate that both the sorbitol and trehalose stabilize the IgG primarily by a water replacement mechanism rather than by glassy immobilization. The relevance of this work is its questioning of the importance of the usually considered dominance of glassy stabilization of protein in dried systems of high glass transition temperature, such as trehalose. The low glass transition temperature sorbitol produces almost equal process and storage stability in this case. |
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Equine Behaviour @ team @ |
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6515 |
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Sommer, V.; Lowe, A.; Dietrich, T. |
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Title |
Not eating like a pig: European wild boar wash their food |
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2016 |
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Animal Cognition |
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Anim. Cogn. |
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19 |
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1 |
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245-249 |
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Carrying food to water and either dunking or manipulating it before consumption has been observed in various taxa including birds, racoons and primates. Some animals seem to be simply moistening their food. However, true washing aims to remove unpleasant surface substrates such as grit and sand and requires a distinction between items that do and do not need cleaning as well as deliberate transportation of food to a water source. We provide the first evidence for food washing in suids, based on an incidental observation with follow-up experiments on European wild boar (Sus scrofa) kept at Basel Zoo, Switzerland. Here, all adult pigs and some juveniles of a newly formed group carried apple halves soiled with sand to the edge of a creek running through their enclosure where they put the fruits in the water and pushed them to and fro with their snouts before eating. Clean apple halves were never washed. This indicates that pigs can discriminate between soiled and unsoiled foods and that they are able to delay gratification for long enough to transport and wash the items. However, we were unable to ascertain to which degree individual and/or social learning brought this behaviour about. |
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1435-9456 |
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Equine Behaviour @ team @ Sommer2016 |
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6132 |
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Author |
Hanggi, E.B. |
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Title |
Categorization Learning in Horses (Equus caballus) |
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1999 |
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Journal of Comparative Psychology |
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J. Comp. Psychol. |
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113 |
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3 |
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243-252 |
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Categorization learning was investigated in 2 horses (Equus caballus). Both horses learned to select a 2-dimensional black stimulus with an open center instead of a filled stimulus in a 2-choice discrimination task. After a criterion of 10 out of 10 correct responses in a random series for 2 consecutive sessions was reached, 15 additional pairs of open-center versus filled stimuli were tested. Each was run to criterion and then incorporated into sessions of randomly mixed problems. Both horses solved the 1st problem by simple pattern discrimination and showed evidence of categorical processing for subsequent problems. New pairs were learned with few or no errors, and correct responses on novel trials were significantly above chance. These results suggest that the horses were making their selections on the basis of shared characteristics with the training stimuli and were using categorization skills in problem solving. |
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yes |
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Equine Behaviour @ team @ |
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3678 |
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Palme, R.; Touma, C.; Arias,N.; Dominchin, M.F.; Lepschy, M. |
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Title |
Steroid extraction: Get the best out of faecal samples |
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Journal Article |
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2012 |
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Veterinary Medicine Austria |
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Vet. Med. Austria |
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100 |
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238-246 |
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Faecal steroid hormone metabolites are becoming increasingly popular as parameters for reproductive functions and stress. Theextraction of the steroids from the faecal matrix represents the initial step before quantification can be performed. The steroid metabolites present in the faecal matrix are of varying polarity and composition, so selection of a proper extraction procedure is essential. There have been some studies to address this complex but often neglected point. Radiolabelled
steroids (e.g. cortisol or progesterone) have frequently been added to faecal samples to estimate the efficiency of the extraction procedures used. However, native, unmetabolized steroids are normally not present in the faeces and therefore the results are artificial and do not accurately reflect the actual recoveries of the substances of interest. In this respect, recovery experiments based on faecal samples from radiometabolism studies are more informative. In these samples, the metabolite content accurately reflects the mixture of metabolites present in the given species. As a result, it is possible to evaluate different extraction methods for use with faecal samples. We present studies on sheep, horses, pigs, hares and dogs that utilized samples containing naturally metabolized, 14C-labelled steroids. |
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Review, faeces, extrac- tion, non-invasive hormone moni- toring, stress, reproduction. |
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Equine Behaviour @ team @ |
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6046 |
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Palme, R.; Touma, C.; Arias, N., Dominchin, M.N.; Lepschy, M. |
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Title |
Steroid extraction: Get the best out of faecal samples |
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2013 |
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Wiener Tierärztliche Wochenschriften |
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Wien Tierärztl Monat – Vet Med Austria |
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100 |
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238-246. |
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Review, faeces, extraction, non-invasive hormone monitoring, stress, reproduction. |
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Faecal steroid hormone metabolites are becoming increasingly popular as parameters for reproductive functions and stress. The extraction of the steroids from the faecal matrix represents the initial step before quantification can be performed. The steroid metabolites present in the faecal matrix are of varying polarity and composition, so selection of a proper extraction procedure is essential. There have been some studies to address this complex but often neglected point. Radiolabelled steroids (e.g. cortisol or progesterone) have frequently been added to faecal samples to estimate the efficiency of the extraction procedures used. However, native, unmetabolized steroids are normally not present in the faeces and therefore the results are artifi- cial and do not accurately reflect the actual recoveries of the substances of interest. In this respect, recovery experiments based on faecal samples from radiometabolism studies are more informative. In these samples, the metabolite content accurately reflects the mixture of metabolites present in the given species. As a result, it is possible to evaluate different extraction methods for use with faecal samples. We present studies on sheep, horses, pigs, hares and dogs that utilized samples containing naturally metabolized, 14C-labelled steroids. We recommend extracting faecal steroids by simply suspending the faeces in a high percentage of a primary alcohol (for glucocorticoid metabolites 80% aqueous methanol proved best suited for virtually all mammalian species tested so far). Not only does the procedure significantly increase the total amount of recovered radioactivity, it also increases the percentage of unconjugated metabolites, which are more likely to be recognized by the antibodies used in various immunoassays. The advantages of this extraction procedure are clear: it is very easy to use (no evaporation step is needed), it yields high recoveries and variation based on the extraction procedure is reduced to a minimum. |
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Equine Behaviour @ team @ |
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6520 |
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Wolter, R.; Pantel, N.; Stefanski, V.; Möstl, E.; Krueger, K. |
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The role of an alpha animal in changing environmental conditions |
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2014 |
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Physiology & Behavior |
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Physiol. Behav. |
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133 |
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236-243 |
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Alpha male; Horse; Equus ferus przewalskii; Bachelor group; Group structure |
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Abstract The maintenance and development of conservation areas by grazing of large herbivores, such as Przewalski's horses, is common practice. Several nature conservation areas house male bachelor groups of this species. When males are needed for breeding they are removed from the groups, often without considering group compositions and individual social positions. However, alpha animals are needed for ensuring group stability and decision making in potentially dangerous situations in several species. To investigate the role of the alpha male in a bachelor group, we observed the behaviour of five Przewalski's horse males during the enlargement of their enclosure. We analyzed the group's social structure and movement orders, as well as the animals' connectedness, activity budgets, and whether they moved with preferred group members and how factors such as social rank influenced the horses' behaviour. We also investigated the excretion of glucocorticoid metabolites (GCM) via faeces of the horses while exploring a new area as a parameter of glucocorticoid production. Our results show that the alpha male is important for a bachelor group in changing environmental conditions. The alpha male had the highest level of connectedness within the group. When exploring the new environment, its position in the group changed from previously being the last to being the first. Furthermore the whole group behaviour changed when exploring the new area. The stallions showed reduced resting behavior, increased feeding and did not stay close to each other. We found that the excretion of glucocorticoid metabolites of most horses rose only marginally during the first days on the new area while only the alpha male showed a significant increased amount of glucocorticoid production during the first day of the enclosure enlargement. |
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0031-9384 |
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Equine Behaviour @ team @ |
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5818 |
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Tomkins, L.M.; McGreevy, P.D.; Branson, N.J. |
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Lack of standardization in reporting motor laterality in the domestic dog (Canis familiaris) |
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2010 |
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Journal of Veterinary Behaviour |
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5 |
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5 |
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235-239 |
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dog; motor laterality; lateralization; paw preference; standardization |
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Over the past 2 decades, numerous studies have been undertaken to assess motor laterality in the domestic dog. In anticipation of growth in this area of enquiry, we decided to review the literature on canine motor biases to identify any shortcomings, reflect on the lessons to be learned from and offer ways forward for future research into canine laterality. The aim of this review is to (i) summarize motor laterality findings in the dog, (ii) highlight areas lacking in standardization, and (iii) propose necessary criteria for future tests and global reporting protocols. Our review of the literature highlighted the lack of standardization between studies in task selection, sample size, number of behavior scores recorded, and the methods by which motor laterality were classified and reported. This review illustrates the benefits of standardizing methods of motor laterality assessment so that comparisons can be made between the populations sampled. By adopting such an approach, researchers should mutually benefit as motor laterality data could then be compared and subjected to meta-analysis. |
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1558-7878 |
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Equine Behaviour @ team @ S1558-7878(10)00038-9 |
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5378 |
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Author |
Lorenz, K. |
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Title |
Die angeborenen Formen möglicher Erfahrung |
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1943 |
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Zeitschrift für Tierpsychologie |
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Zeitschrift für Tierpsychologie |
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5 |
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2 |
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235-409 |
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Zusammenfassung Die vorliegende Abhandlung entspringt dem Aufgabenkreis einer jungen Arbeitsgemeinschaft zwischen Geisteswissenschaft und vergleichender Psychologie, die das wichtigste Programm des neugegründeten Philosophischen Institutes der Albertus-Universität in Königsberg darstellt. Sie ist aus der einen Abteilung dieser Anstalt, dem Institut für vergleichende Psychologie hervorgegangen. Obwohl sie eine ganze Reihe unveröffentlichter neuer Beobachtungen und Versuche enthält, stehen diese nicht genug im Mittelpunkte der Untersuchung, um eine Zusammenfassung von Ergebnissen in jener Form möglich zu machen, wie sie sonst in der induktiven Naturforschung üblich ist. Immerhin aber herrscht die induktive Denkweise in der vorliegenden Arbeit so stark vor, daß eine kurze Zusammenfassung angebracht erscbeint, wenn sie auch notgedrungen die Form einer kurzen Inhaltsangabe annehmea muß. |
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John Wiley & Sons, Ltd |
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0044-3573 |
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doi: 10.1111/j.1439-0310.1943.tb00655.x |
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Equine Behaviour @ team @ |
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6609 |
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Lefebvre, L.; Reader, S.M.; Sol, D. |
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Brains, Innovations and Evolution in Birds and Primates |
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2004 |
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Brain, Behavior and Evolution |
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Brain. Behav. Evol. |
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63 |
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4 |
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233-246 |
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Innovation W Brain evolution W Hyperstriatum ventrale W Neostriatum W Isocortex W Birds W Primates W Tool use W Invasion biology |
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Abstract
Several comparative research programs have focusedon the cognitive, life history and ecological traits thataccount for variation in brain size. We review one ofthese programs, a program that uses the reported frequencyof behavioral innovation as an operational measureof cognition. In both birds and primates, innovationrate is positively correlated with the relative size of associationareas in the brain, the hyperstriatum ventrale andneostriatum in birds and the isocortex and striatum inprimates. Innovation rate is also positively correlatedwith the taxonomic distribution of tool use, as well asinterspecific differences in learning. Some features ofcognition have thus evolved in a remarkably similar wayin primates and at least six phyletically-independent avianlineages. In birds, innovation rate is associated withthe ability of species to deal with seasonal changes in theenvironment and to establish themselves in new regions,and it also appears to be related to the rate atwhich lineages diversify. Innovation rate provides a usefultool to quantify inter-taxon differences in cognitionand to test classic hypotheses regarding the evolution ofthe brain. |
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Equine Behaviour @ team @ |
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4738 |
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