Records |
Author |
Voigtlaender-Schnabel, S.; Vogel, L.; Greiner, B.; Wiezorek, S.; Schuette, P.; Solmsen, E.-H.; Martin; H.; Hempel, E.; Gruentjens, T.; Bathen, M.; Herold, P.; Krueger, K. |
Title |
Reactions of horses to wildlife and livestock guarding dogs |
Type |
Journal Article |
Year |
2022 |
Publication |
Carnivore Damage Prevention News |
Abbreviated Journal |
CDPNews |
Volume |
24 |
Issue |
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Pages |
49-58 |
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Equine Behaviour @ team @ |
Serial |
6668 |
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Author |
Uller, C.; Jaeger, R.; Guidry, G.; Martin, C. |
Title |
Salamanders ( Plethodon cinereus) go for more: rudiments of number in an amphibian |
Type |
Journal Article |
Year |
2003 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
Volume |
6 |
Issue |
2 |
Pages |
105-112 |
Keywords |
Animals; *Cognition; Discrimination Learning; Female; Male; Mathematics; *Urodela |
Abstract |
Techniques traditionally used in developmental research with infants have been widely used with nonhuman primates in the investigation of comparative cognitive abilities. Recently, researchers have shown that human infants and monkeys select the larger of two numerosities in a spontaneous forced-choice discrimination task. Here we adopt the same method to assess in a series of experiments spontaneous choice of the larger of two numerosities in a species of amphibian, red-backed salamanders ( Plethodon cinereus). The findings indicate that salamanders “go for more,” just like human babies and monkeys. This rudimentary capacity is a type of numerical discrimination that is spontaneously present in this amphibian. |
Address |
Institute of Cognitive Science, University of Louisiana at Lafayette, Lafayette, LA 70504-3772, USA. uller@louisiana.edu |
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1435-9448 |
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PMID:12709845 |
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no |
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Equine Behaviour @ team @ |
Serial |
2575 |
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Solmsen, E.-H.; Bathen, M.; Grüntjens, T.; Hempel, E.; Klose, M.; Krüger, K.; Martin, H.; Meyer, A.; Schütte, P.; Vogel, L.; Wiezorek, S.; Wittor, B. |
Title |
Protecting horses against wolves in Germany |
Type |
Journal Article |
Year |
2021 |
Publication |
Carnivore Damage Prevention News |
Abbreviated Journal |
CPDnews |
Volume |
23 |
Issue |
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Pages |
12-19 |
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Equine Behaviour @ team @ |
Serial |
6661 |
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Solmsen, E. - H.; Bathen, M.; Grüntjens, T.; Hempel, E.; Klose, M.; Krüger, K.; Martin, H.; Meyer, A.; Schütte, P.; Vogel, L.; Wiezorek, S.; Wittor, B. |
Title |
Protecting horses against wolves in Germany. |
Type |
Journal Article |
Year |
2021 |
Publication |
Carnivore Damage Prevention News |
Abbreviated Journal |
CDPNews |
Volume |
23 |
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Equine Behaviour @ team @ |
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6682 |
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Author |
Martins, A.P.; Miller, R.M.; Capaldi, E.J. |
Title |
Memories and anticipations control responding by rats (Rattus norvegicus) in a Pavlovian procedure |
Type |
Journal Article |
Year |
2007 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
Volume |
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Issue |
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Pages |
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Abstract |
In Experiment 1 each rat received two different fixed series of three trials each. The unconditioned stimulus occurred on Trial 1 of one series and on Trial 3 of the other series, all other trials being nonreinforced. Previous Pavlovian investigations have shown that rats can remember the immediately prior reward outcome and anticipate the immediately subsequent reward outcome. Experiment 1 demonstrated that rats could remember and anticipate even more remote reward outcomes. In Experiment 2 two groups received a series of two nonrewarded trials followed by a rewarded trial. It was demonstrated that a change in the conditioned stimulus (CS) from Trial 2 to Trial 3, which occurred in one group, produced weaker responding than in the other group that did not experience such CS change. On the basis of these findings it was suggested that the rats organized the trials of a series into a unit or chunk. This was concluded for two reasons. First, remembering and anticipating remote reward outcomes strongly suggests that responding is being controlled by events extending beyond the current trial. Secondly, the experimental manipulations employed in the Pavlovian situation here are similar to those used in prior human learning and animal instrumental learning investigations concerned with chunking. Thus, it would appear that chunking is a ubiquitous phenomenon appearing in human serial learning (e.g., Bower and Winzenz 1969; Crowder 1976), in animal instrumental learning (e.g., Capaldi 1992; Hulse and Dorsky 1977; Terrace 1987), and now in Pavlovian learning. |
Address |
Department of Psychological Sciences, School of Liberal Arts, Purdue University, 703 Third Street, West Lafayette, IN, 47907-2081, USA, julie@psych.purdue.edu |
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1435-9448 |
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Notes |
PMID:17437140 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2404 |
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Author |
Martin, T.I.; Zentall, T.R.; Lawrence, L. |
Title |
Simple discrimination reversals in the domestic horse (Equus caballus): Effect of discriminative stimulus modality on learning to learn |
Type |
Journal Article |
Year |
2006 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
Volume |
101 |
Issue |
3-4 |
Pages |
328-338 |
Keywords |
Horse; Learning-to-learn; Discrimination Reversal |
Abstract |
The cognitive capacity of an organism, relative to that of other species, can be assessed by using a relative measure of learning. One such measure is the ability of an organism to learn about the reversal of a discrimination. The present study compared the performance of two groups of horses on a simple discrimination reversal task when the only difference between the groups was the modality of the relevant cue. For the visual group (absence or presence of a light), the spatial position was irrelevant. For the spatial group, a spatial cue (left/right) was available and the visual cue was irrelevant. Horses in the spatial group learned the original discrimination and six reversals; they also showed evidence of learning to learn. Horses in the visual group did not reach criterion during the study. As a result, there was no evidence of learning to learn. |
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no |
Call Number |
refbase @ user @ |
Serial |
289 |
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Author |
Martin, T.I.; Zentall, T.R. |
Title |
Post-choice information processing by pigeons |
Type |
Journal Article |
Year |
2005 |
Publication |
Animal cognition |
Abbreviated Journal |
Anim. Cogn. |
Volume |
8 |
Issue |
4 |
Pages |
273-278 |
Keywords |
Animals; *Behavior, Animal; *Choice Behavior; *Columbidae; Discrimination Learning |
Abstract |
In a conditional discrimination (matching-to-sample), a sample is followed by two comparison stimuli, one of which is correct, depending on the sample. Evidence from previous research suggests that if the stimulus display is maintained following an incorrect response (the so-called penalty-time procedure), acquisition by pigeons is facilitated. The present research tested the hypothesis that the penalty-time procedure allows the pigeons to review and learn from the maintained stimulus display following an incorrect choice. It did so by including a penalty-time group for which, following an incorrect choice, the sample changed to match the incorrect comparison, thus providing the pigeons with post-choice 'misinformation.' This misinformation group acquired the matching task significantly slower than the standard penalty-time group (that had no change in the sample following an error). Furthermore, acquisition of matching by a control group that received no penalty time fell midway between the other two groups, suggesting that the pigeons did not merely take more care in making choices because of the aversiveness of penalty-time. Thus, it appears that in the acquisition of matching-to-sample, when the stimulus display is maintained following an incorrect choice, the pigeons can review or acquire information from the display. This is the first time that such an effect has been reported for a nonhuman species. |
Address |
Department of Psychology, University of Kentucky, Lexington, KY 40506, USA |
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1435-9448 |
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PMID:15744507 |
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no |
Call Number |
refbase @ user @ |
Serial |
225 |
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Author |
Martin, P.; Bateson P. |
Title |
Measuring Behaviour – An Introductory Guide |
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Book Whole |
Year |
2007 |
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Cambridge University Press |
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Cambridge |
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Third Edition |
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Equine Behaviour @ team @ |
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5402 |
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Author |
Lloyd, A.S.; Martin, J.E.; Bornett-Gauci, H.L.I.; Wilkinson, R.G. |
Title |
Evaluation of a novel method of horse personality assessment: Rater-agreement and links to behaviour |
Type |
Journal Article |
Year |
2007 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
Volume |
105 |
Issue |
1-3 |
Pages |
205-222 |
Keywords |
Personality; Horse; Individual differences; Behaviour; Reliability |
Abstract |
The efficacy of questionnaire-based personality assessment has been shown in a variety of animal and human personality studies. There has been a recent increase in questionnaire-based studies focussing on equine personality but with a lack of comparability to studies on other species. The aim of this study was to test the reliability of an assessment method originally developed for primates and demonstrate reliability using three criteria (1) assessments by independent observers must agree with one another, (2) these assessments must predict behaviours and real-world outcomes and (3) observer ratings must be shown to reflect genuine attributes of the individuals rated, not merely the observer's implicit personality theories about how traits co-vary. The personality of 61 horses (Equus caballus) was assessed using a questionnaire constructed of 30 behaviourally defined adjectives (BDAs). Horses were each assessed by three judges, in addition to a total of 2 h behaviour observations recorded per horse. Rater agreement was demonstrated for 72.1% of the horses and 25 of the BDAs. Principal component analysis was carried out on the rating data and revealed six underlying personality components that were labelled “dominance”, “anxiousness”, “excitability”, “protection”, “sociability” and “inquisitiveness”. Component scores for horses were correlated against behavioural observations for the same horses and revealed significant correlations with 20 of the recorded behaviour variables. Correlations between specific components and their associated behaviours were logical and consistent with the types of behaviours that would be expected to be linked with such personality types. The data were shown to meet all three criteria and provided strong evidence that the assessment method was reliably measuring horse personality. |
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refbase @ user @ |
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1981 |
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Author |
Lloyd, A.S.; Martin, J.E.; Bornett-Gauci, H.L.I.; Wilkinson, R.G. |
Title |
Horse personality: Variation between breeds |
Type |
Journal Article |
Year |
2008 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
Volume |
112 |
Issue |
3-4 |
Pages |
369-383 |
Keywords |
Horse personality; Breed; Assessment; Questionnaire survey; Animal |
Abstract |
Anecdotal evidence from horse owners and handlers suggests the existence of breed typical behaviour and personality in horses. This is further supported by current research on heritability of personality characteristics in a range of species. The Horse Personality Questionnaire (HPQ) is a 25-item rating method that has previously been shown to be reliable for the assessment of personality in horses. Principal component analysis on HPQ data has identified six underlying personality components in horses. These are Dominance, Anxiousness, Excitability, Protection, Sociability and Inquisitiveness. Using the HPQ a survey of 1223 horses of eight different breeds was completed. Data were analysed to explore any differences in personality between breeds across the six personality components. Breed differences in personality were identified, and it was noted that variability between breeds varied between personality components. Anxiousness and Excitability showed the most variation between breeds, whilst Dominance and Protection showed the least variance. The results identified breed typical personalities that were comparable to results from previous studies as well as anecdotal evidence provided by the popular equine literature. The results are discussed in terms of the potential selection pressures that may have resulted in these differences. |
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Equine Behaviour @ team @ |
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4279 |
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