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| Author |
Beer C.G. |
| Title |
Trial and error in the evolution of cognition |
Type |
Journal Article |
| Year |
1995 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
35 |
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Pages |
215-224 |
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refbase @ user @ |
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3455 |
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| Author |
Sutton J.E.; Roberts W.A. |
| Title |
Do pigeons show incidental timing? Some experiments and a suggested hierarchical framework for the study of attention in animal cognition |
Type |
Journal Article |
| Year |
1998 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
44 |
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Pages |
263-275 |
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no |
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refbase @ user @ |
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3463 |
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| Author |
Mercado E.; Killebrew D.A.; Pack A.A.; Macha I.V.B.; Herman L.M. |
| Title |
Generalization of 'same-different' classification abilities in bottlenosed dolphins |
Type |
Journal Article |
| Year |
2000 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
50 |
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Pages |
79-94 |
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refbase @ user @ |
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3479 |
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| Author |
Rands, S.A. |
| Title |
Group-movement [`]initiation' and state-dependent decision-making |
Type |
Journal Article |
| Year |
2010 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
84 |
Issue |
3 |
Pages |
668-670 |
| Keywords |
Decision-making; State-dependence; Dynamic programming; Co-operation |
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0376-6357 |
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Equine Behaviour @ team @ |
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5087 |
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| Author |
Conradt, L.; Roper, T.J. |
| Title |
Deciding group movements: Where and when to go |
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Journal Article |
| Year |
2010 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
84 |
Issue |
3 |
Pages |
675-677 |
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activity synchronisation; aggregation rules; collective decisions; democracy; group decisions; sexual segregation; decision sharing; social choice theory |
| Abstract |
A group of animals can only move cohesively, if group members “somehow” reach a consensus about the timing (e.g., start) and the spatial direction/destination of the collective movement. Timing and spatial decisions usually differ with respect to the continuity of their cost/benefit distribution in such a way that, in principle, compromises are much more feasible in timing decision (e.g. median preferred time) than they are in spatial decisions. The consequence is that consensus costs connected to collective timing decisions are usually less skewed amongst group members than are consensus costs connected to spatial decisions. This, in turn, influences the evolution of decision sharing: sharing in timing decisions is most likely to evolve when conflicts are high relative to group cohesion benefits, while sharing in spatial decisions is most likely to evolve in the opposite situation. We discuss the implications of these differences for the study of collective movement decisions. |
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0376-6357 |
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no |
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Equine Behaviour @ team @ |
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5086 |
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| Author |
Anderson, J.R.; Fornasieri, I.; Ludes, E.; Roeder, J.-J. |
| Title |
Social processes and innovative behaviour in changing groups of lemur fulvus |
Type |
Journal Article |
| Year |
1992 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
27 |
Issue |
2 |
Pages |
101-112 |
| Keywords |
Social learning; Lemur fulvus; Dominance; Individual differences |
| Abstract |
A group of brown lemurs was presented with one or two baited food-boxes requiring a specific type of motor response in order to be opened. Subsequently, four groups containing different combinations of experienced individuals from the original group and naive individuals were tested. Solutions to the problem and access to the food were recorded and considered in relation to social factors. In the original group, two adult males learned to open the boxes, with one male increasingly preventing the other from approaching. In the second group, with the subordinate male and certain females removed, the dominant male tolerated successful performances by a juvenile female. Group 3 consisted of three passive female participants from the original group and a naive female; one of the three original females now became the sole box-opener. The introduction of the subordinate male from the original group into the all-female group led to a sharing of box-opening by this subject and the skilled female. In the final group, intense aggression toward the skilled female by a new, naive adult male resulted in two previously passive females succeeding on some occasions. In lemurs, at least some `scroungers' appear able to learn to perform a new act when the social context permits. |
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no |
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refbase @ user @ |
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576 |
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| Author |
Chalmeau, R.; Gallo, A. |
| Title |
Social constraints determine what is learned in the chimpanzee |
Type |
Journal Article |
| Year |
1993 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
28 |
Issue |
3 |
Pages |
173-179 |
| Keywords |
Operant conditioning; Social influence; Individual strategy; Chimpanzee |
| Abstract |
A group of six chimpanzees was placed in a social learning situation, without training. The learning task was an operant conditioning situation; that is, a subject had to pull two handles simultaneously to cause a piece of fruit to fall into the cage. Only three individuals acquired the operant behaviour. For the operant individuals, social influences on the expression of the learning task were then examined; the dominant chimpanzee during feeding had an inhibiting effect when close to the operant subjects. Depending on the subject, social factors may influence not only the specific expression of what is learnt, but also the nature of what is learnt. Chimpanzees appear to experience situations differently: they develop an individual problem-solving strategy according to their social relationships even if the experimental procedure is the same for all. |
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no |
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refbase @ user @ |
Serial |
569 |
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Siniscalchi, M.; Padalino, B.; Lusito, R.; Quaranta, A. |
| Title |
Is the left forelimb preference indicative of a stressful situation in horses? |
Type |
Journal Article |
| Year |
2014 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
107 |
Issue |
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Pages |
61-67 |
| Keywords |
Animal welfare; Ethology; Horse; Limb preference; Physiology |
| Abstract |
Abstract Evidence for behavioural and brain lateralisation is now widespread among the animal kingdom; lateralisation of limb use (pawedness) occurs in several mammals including both feral and domestic horses. We investigated limb preferences in 14 Quarter Horse during different motor tasks (walking, stepping on and off a step, truck loading and unloading). Population lateralisation was observed in two tasks: horses preferentially used their left forelimb during truck loading and stepping off a step. The results also revealed that horses showed higher scores for anxious behaviours during truck loading suggesting that the use of the left forelimb in this task may reflect the main role of the right hemisphere in control of behaviour during stressful situation. |
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0376-6357 |
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no |
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Equine Behaviour @ team @ |
Serial |
6041 |
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| Author |
Krueger, K.; Flauger, B.; Farmer, K.; Hemelrijk, C. |
| Title |
Movement initiation in groups of feral horses |
Type |
Journal Article |
| Year |
2014 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
103 |
Issue |
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91-101 |
| Keywords |
Horse; Equus ferus caballus; Distributed leadership; Herding; Departure; Rank |
| Abstract |
Abstract Herds of ungulates, flocks of birds, swarms of insects and schools of fish move in coordinated groups. Computer models show that only one or very few animals are needed to initiate and direct movement. To investigate initiation mechanisms further, we studied two ways in which movement can be initiated in feral horses: herding, and departure from the group. We examined traits affecting the likelihood of a horse initiating movement i.e. social rank, affiliative relationships, spatial position, and social network. We also investigated whether group members join a movement in dominance rank order. Our results show that whereas herding is exclusive to alpha males, any group member may initiate movement by departure. Social bonds, the number of animals interacted with, and the spatial position were not significantly associated with movement initiation. We did not find movement initiation by departure to be exclusive to any type of individual. Instead we find evidence for a limited form of distributed leadership, with higher ranking animals being followed more often. |
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0376-6357 |
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Equine Behaviour @ team @ |
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5738 |
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Krueger, K.; Schneider, G.; Flauger, B.; Heinze, J. |
| Title |
Context-dependent third-party intervention in agonistic encounters of male Przewalski horses |
Type |
Journal Article |
| Year |
2015 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
121 |
Issue |
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54-62 |
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Equus ferus przewalskii; Group conflict; Rank orders; Social bonds; Social control; Third-party intervention |
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Abstract One mechanism to resolve conflict among group members is third party intervention, for which several functions, such as kin protection, alliance formation, and the promotion of group cohesion have been proposed. Still, empirical research on the function of intervention behaviour is rare. We studied 40 cases of intervention behaviour in a field study on 13 semi-wild bachelor horses (Equus ferus przewalskii) in (a) standard social situations, and (b) when new horses joined the group (i.e. introductions). Only interventions in agonistic encounters were analysed. Eight of 13 animals directed intervention behaviour toward threatening animal in agonistic encounters of group members. One stallion was particularly active. The stallions did not intervene to support former group mates or kin and interventions were not reciprocated. In introduction situations and in standard social situations, the interveners supported animals which were lower in rank, but targeted, threatening animals of comparable social rank. After introductions, stallions received more affiliative behaviour from animals they supported and thus appeared to intervene for alliance formation. In standard social situations, interveners did not receive more affiliative behaviour from animals they supported and may primarily have intervened to promote group cohesion and to reduce social disruption within the group. |
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0376-6357 |
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Equine Behaviour @ team @ |
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5925 |
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