| Records |
| Author |
Hauser MD; Kralik J; Botto-Mahan C |
| Title |
Problem solving and functional design features: experiments on cotton-top tamarins, Saguinus oedipus oedipus |
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Journal Article |
| Year |
1999 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
57 |
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565 |
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Equine Behaviour @ team @ |
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3065 |
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| Author |
Hauser MD; Pearson H; Seelig D |
| Title |
Ontogeny of tool use in cottontop tamarins, Saguinus oedipus: innate recognition of functionally relevant features |
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Journal Article |
| Year |
2002 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
64 |
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299 |
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Equine Behaviour @ team @ |
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3066 |
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| Author |
Hauser MD; Santos LR; Spaepen GM; Pearson HE |
| Title |
Problem solving, inhibition and domain-specific experience: experiments on cotton-top tamarins, Saguinus oedipus |
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Journal Article |
| Year |
2002 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
64 |
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387 |
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Equine Behaviour @ team @ |
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3067 |
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| Author |
Saleh, N.; Chittka, L. |
| Title |
The importance of experience in the interpretation of conspecific chemical signals |
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Journal Article |
| Year |
2006 |
Publication |
Behavioral Ecology and Sociobiology |
Abbreviated Journal |
Behav. Ecol. Sociobiol. |
| Volume |
61 |
Issue |
2 |
Pages |
215-220 |
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Abstract Foraging bumblebees scent mark flowers with hydrocarbon secretions. Several studies have found these scent marks act as a repellent to bee foragers. This was thought to minimize the risk of visiting recently depleted flowers. Some studies, however, have found a reverse, attractive effect of scent marks left on flowers. Do bees mark flowers with different scents, or could the same scent be interpreted differently depending on the bees? previous experience with reward levels in flowers? We use a simple experimental design to investigate if the scent marks can become attractive when bees forage on artificial flowers that remain rewarding upon the bees? return after having depleted them. We contrast this with bees trained in the more natural scenario where revisits to recently emptied flowers are unrewarding. The bees association between scent mark and reward value was tested with flowers scent marked from the same source. We find that the bees experience with the level of reward determines how the scent mark is interpreted: the same scent can act as both an attractant and a repellent. How experience and learning influence the interpretation of the meaning of chemical signals deposited by animals for communication has rarely been investigated. |
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Equine Behaviour @ team @ |
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3150 |
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| Author |
Dugatkin, L.A.; Alfieri, M. |
| Title |
Guppies and the TIT FOR TAT strategy: preference based on past interaction |
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Journal Article |
| Year |
1991 |
Publication |
Behavioral Ecology and Sociobiology |
Abbreviated Journal |
Behav. Ecol. Sociobiol. |
| Volume |
28 |
Issue |
4 |
Pages |
243-246 |
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The evolution of cooperation requires either (a) nonrandom interactions, such that cooperators preferentially interact with other cooperators, or (b) conditional behaviors, such that individuals act cooperatively primarily towards other cooperators. Although these conditions can be met without assuming sophisticated animal cognition, they are more likely to be met if animals can remember individuals with whom they have interacted, associate past interactions with these individuals, and base future behavior on this information. Here we show that guppies (Poecilia reticulata), in the context of predator inspection behavior, can identify and remember (for at least 4 h) the “more cooperative” among two conspecifics and subsequently choose to be near these individuals in future encounters. |
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Equine Behaviour @ team @ |
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3397 |
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| Author |
Desire L.; Boissy A.; Veissier I. |
| Title |
Emotions in farm animals: – a new approach to animal welfare in applied ethology |
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Journal Article |
| Year |
2002 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
60 |
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165-180 |
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no |
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refbase @ user @ |
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3482 |
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| Author |
Appleby M. |
| Title |
Consciousness, Cognition and Animal Welfare – J.K. Kirkwood, R.C. Hubrecht, S. Wickens, H. O'Leary, S. Oakley (Eds.), Universities Federation for Animal Welfare, 2001, 251 pp., Paperback, Supplement to Volume 10 of Animal Welfare, 15/US$ 30, ISSN 0962-7286 |
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Journal Article |
| Year |
2002 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
77 |
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239-241 |
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no |
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refbase @ user @ |
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3485 |
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| Author |
Tavares M.C.H.; Tomaz C. |
| Title |
Working memory in capuchin monkeys (Cebus apella) |
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Journal Article |
| Year |
2002 |
Publication |
Behavioural Brain Research |
Abbreviated Journal |
Behav. Brain. Res. |
| Volume |
131 |
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131-137 |
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refbase @ user @ |
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3486 |
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| Author |
Snycerski, S.; Laraway, S.; Poling, A. |
| Title |
Response acquisition with immediate and delayed conditioned reinforcement |
Type |
Journal Article |
| Year |
2005 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
68 |
Issue |
1 |
Pages |
1-11 |
| Keywords |
Response acquisition; Conditioned reinforcement; Delayed reinforcement; Secondary reinforcement; Rats |
| Abstract |
Groups comprising eight rats initially were exposed to response-independent water deliveries, then to conditions under which a lever-press response raised an empty dipper immediately or after a resetting delay of 15, 30, or 45 s. When their performance was compared to that of control animals using a 90% confidence level, six rats in the immediate-reinforcement group met the primary criterion for response acquisition during a single 6-h session; 4, 4, and 3 did so in the 15, 30, and 45 s delay groups, respectively. Similar evidence of acquisition was obtained when a 95% confidence level was used. With a 99% confidence level, however, evidence of acquisition was not compelling. Although these data appear to provide the first demonstration of response acquisition in the absence of handshaping or autoshaping under conditions where the putative reinforcer is both conditioned and delayed, they also demonstrate that whether response acquisition occurs depends, in part, on how it is defined. |
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Equine Behaviour @ team @ |
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3600 |
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| Author |
Hodson, E.F.; Clayton, H.M.; Lanovaz, J.L. |
| Title |
Temporal analysis of walk movements in the Grand Prix dressage test at the 1996 Olympic Games |
Type |
Journal Article |
| Year |
1999 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
62 |
Issue |
2-3 |
Pages |
89-97 |
| Keywords |
Dressage; Horse; Kinematics; Locomotion; Gait |
| Abstract |
Video analysis was used to measure temporal characteristics of the collected walk, extended walk and half pirouette at walk of eleven competitors during the team dressage competition at the 1996 Summer Olympic Games in Atlanta, GA. Forelimb stance durations, hind limb stance durations, lateral step intervals and diagonal step intervals were symmetrical for the right and left sides in the collected and extended walk strides, but there were left-right asymmetries in the forelimb stance duration and in the lateral step interval in the half pirouette strides. For both collected and extended walk strides, hind limb stance duration was significantly longer than forelimb stance duration. The mean values for the group of eleven horses showed that the collected and extended walks had a regular rhythm. The half pirouette strides showed an irregularity in which there was a short interval between footfalls of the outside forelimb and inside hind limb, and along interval between footfalls of the inside hind limb and inside forelimb. This irregularity reflected an early placement of the inside hind limb. The stance times of both hind limbs were prolonged and this finding, in combination with the early placement of the inside hind limb, led to an increase in the period of tripedal support in each stride of the half pirouette. This was interpreted as a means of maintaining the horses' balance in the absence of forward movement. |
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refbase @ user @ |
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3960 |
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