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Author |
Cochet, H.; Byrne, R.W. |
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Title |
Evolutionary origins of human handedness: evaluating contrasting hypotheses |
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Journal Article |
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Year |
2013 |
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Abbreviated Journal |
Animal Cognition |
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Volume |
16 |
Issue |
4 |
Pages |
531-542 |
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Keywords |
Hand preference; Hemispheric specialization; Communicative gestures; Evolution of language; Nonhuman primates; Human children |
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Abstract |
Variation in methods and measures, resulting in past dispute over the existence of population handedness in nonhuman great apes, has impeded progress into the origins of human right-handedness and how it relates to the human hallmark of language. Pooling evidence from behavioral studies, neuroimaging and neuroanatomy, we evaluate data on manual and cerebral laterality in humans and other apes engaged in a range of manipulative tasks and in gestural communication. A simplistic human/animal partition is no longer tenable, and we review four (nonexclusive) possible drivers for the origin of population-level right-handedness: skilled manipulative activity, as in tool use; communicative gestures; organizational complexity of action, in particular hierarchical structure; and the role of intentionality in goal-directed action. Fully testing these hypotheses will require developmental and evolutionary evidence as well as modern neuroimaging data. |
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Springer-Verlag |
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English |
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1435-9448 |
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Equine Behaviour @ team @ |
Serial |
5691 |
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Author |
Pelé, M.; Sueur, C. |
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Title |
Decision-making theories: linking the disparate research areas of individual and collective cognition |
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Journal Article |
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Year |
2013 |
Publication |
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Abbreviated Journal |
Animal Cognition |
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Volume |
16 |
Issue |
4 |
Pages |
543-556 |
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Keywords |
Optimality; Primates; Insects; Diffusion Model; Delay; Risk; Speed-accuracy; Trade-off |
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Abstract |
In order to maximize their fitness, animals have to deal with different environmental and social factors that affect their everyday life. Although the way an animal behaves might enhance its fitness or survival in regard to one factor, it could compromise them regarding another. In the domain of decision sciences, research concerning decision making focuses on performances at the individual level but also at the collective one. However, between individual and collective decision making, different terms are used resulting in little or no connection between both research areas. In this paper, we reviewed how different branches of decision sciences study the same concept, mainly called speed-accuracy trade-off, and how the different results are on the same track in terms of showing the optimality of decisions. Whatever the level, individual or collective, each decision might be defined with three parameters: time or delay to decide, risk and accuracy. We strongly believe that more progress would be possible in this domain of research if these different branches were better linked, with an exchange of their results and theories. A growing amount of literature describes economics in humans and eco-ethology in birds making compromises between starvation, predation and reproduction. Numerous studies have been carried out on social cognition in primates but also birds and carnivores, and other publications describe market or reciprocal exchanges of commodities. We therefore hope that this paper will lead these different areas to a common decision science. |
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Springer-Verlag |
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1435-9448 |
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Equine Behaviour @ team @ |
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5692 |
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Author |
Defolie, C.; Malassis, R.; Serre, M.; Meunier, H. |
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Title |
Tufted capuchins (Cebus apella) adapt their communicative behaviour to human’s attentional states |
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Journal Article |
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Year |
2015 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
18 |
Issue |
3 |
Pages |
747-755 |
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Keywords |
Gestural communication; Intentionality; Non-human primates; Social cognition; Attention; Pointing |
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Animal communication has become a widely studied field of research, especially because of the associated debates on the origin of human language. Due to their phylogenetic proximity with humans, non-human primates represent a suitable model to investigate the precursors of language. This study focuses on the perception of the attentional states of others, an important prerequisite to intentional communication. We investigated whether capuchins (Cebus apella) produce a learnt pointing gesture towards a hidden and unreachable food reward as a function of the attentional status of the human experimenter. For that purpose, we tested five subjects that we first trained to indicate by a pointing gesture towards the human partner the position of a reward hidden by an assistant. Then, capuchins were tested in two experimental conditions randomly ordered. In the first condition—motivation trial—the experimenter was attentive to the subject gestures and rewarded him immediately when it pointed towards the baited cylinder. During the second condition—test trial—the experimenter adopted one of the following attention states and the subject was rewarded after 10 s has elapsed, regardless of the subject’s behaviour. Five attentional states were tested: (1) experimenter absent, (2) experimenter back to the monkey, (3) experimenter’s head away, (4) experimenter watching above the monkey, and (5) experimenter watching the monkey face. Our results reveal a variation in our subjects’ communicative behaviours with a discrimination of the different postural clues (body and head orientation) available in our experimental conditions. This study suggests that capuchins can flexibly use a communicative gesture to adapt to the attentional state of their partner and provides evidence that acquired communicative gestures of monkeys might be used intentionally. |
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Springer Berlin Heidelberg |
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English |
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1435-9448 |
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Equine Behaviour @ team @ |
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5886 |
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Author |
Köhler, W. |
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Title |
Intelligenzprüfungen an Menschenaffen |
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Book Whole |
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Year |
1921 |
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Keywords |
Animal intelligence , Chimpanzees , Primates , Psychology |
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Springer |
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Berlin |
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German |
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no |
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Equine Behaviour @ team @ |
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5752 |
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Author |
Boyd, R.; Richerson, P.J. |
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Title |
Why Culture is Common, but Cultural Evolution is Rare |
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Journal Article |
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Year |
1996 |
Publication |
Proceedings of the British Academy |
Abbreviated Journal |
Proc Br Acad |
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Volume |
88 |
Issue |
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Pages |
73-93 |
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Keywords |
cultural distributed evolution primates |
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Abstract |
If culture is defined as variation acquired and maintained by social learning, then culture is common in nature. However, cumulative cultural evolution resulting in behaviors that no individual could invent on their own is limited to humans, song birds, and perhaps chimpanzees. Circumstantial evidence suggests that cumulative cultural evolution requires the capacity for observational learning. Here, we analyze two models the evolution of psychological capacities that allow cumulative cultural evolution. Both models suggest that the conditions which allow the evolution of such capacities when rare are much more stringent than the conditions which allow the maintenance of the capacities when common. This result follows from the fact that the assumed benefit of the capacities, cumulative cultural adaptation, cannot occur when the capacities are rare. These results suggest why such capacities may be rare in nature. |
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Royal Society/British Academy |
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http://www.proc.britac.ac.uk/cgi-bin/somsid.cgi?page=summaries/pba88#boyd |
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Equine Behaviour @ team @ |
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4195 |
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Author |
Russon, A.E.; Galdikas, B.M.F. |
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Title |
Constraints on great apes' imitation: Model and action selectivity in rehabilitant orangutan (Pongo pygmaeus) imitation |
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Journal Article |
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Year |
1995 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J. Comp. Psychol. |
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Volume |
109 |
Issue |
1 |
Pages |
5-17 |
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Keywords |
*Imitation (Learning); Primates (Nonhuman) |
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We discuss selectivity in great ape imitation, on the basis of an observational study of spontaneous imitation in free-ranging rehabilitant orangutans (Pongo pygmaeus). Research on great ape imitation has neglected selectivity, although comparative evidence suggests it may be important. We observed orangutans in central Indonesian Borneo and assessed patterns in the models and actions they spontaneously imitated. The patterns we found resembled those reported in humans. Orangutans preferred models with whom they had positive affective relationships (e.g., important caregiver or older sibling) and actions that reflected their current competence, were receptively familiar, and were relevant to tasks that faced them. Both developmental and individual variability were found. We discuss the probable functions of imitation for great apes and the role of selectivity in directing it. We also make suggestions for more effective elicitation of imitation. (PsycINFO Database Record (c) 2012 APA, all rights reserved) |
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American Psychological Association |
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Us |
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1939-2087(Electronic);0735-7036(Print) |
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Call Number |
Equine Behaviour @ team @ 1995-20268-001 |
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5690 |
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Author |
de Waal, F.B.M. |
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Title |
Silent invasion: Imanishi's primatology and cultural bias in science |
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Journal Article |
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Year |
2003 |
Publication |
Animal cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
6 |
Issue |
4 |
Pages |
293-299 |
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Keywords |
Animals; *Behavior, Animal; *Culture; Ecosystem; History, 20th Century; Philosophy; Portraits; *Prejudice; Primates/*psychology; Psychology, Comparative/*history; Research Design/trends |
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Living Links, Yerkes Primate Center, Emory University, Atlanta, GA 30322, USA. dewaal@emory.edu |
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1435-9448 |
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PMID:14551801 |
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no |
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refbase @ user @ |
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178 |
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Author |
de Waal, F.B. |
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Title |
Primates--A natural heritage of conflict resolution |
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Journal Article |
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2000 |
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Science (New York, N.Y.) |
Abbreviated Journal |
Science |
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Volume |
289 |
Issue |
5479 |
Pages |
586-590 |
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Keywords |
Aggression/*psychology; Animals; Behavior, Animal; *Conflict (Psychology); Female; Humans; Male; *Primates; *Social Behavior; Social Dominance |
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The traditional notion of aggression as an antisocial instinct is being replaced by a framework that considers it a tool of competition and negotiation. When survival depends on mutual assistance, the expression of aggression is constrained by the need to maintain beneficial relationships. Moreover, evolution has produced ways of countering its disruptive consequences. For example, chimpanzees kiss and embrace after fights, and other nonhuman primates engage in similar “reconciliations.” Theoretical developments in this field carry implications for human aggression research. From families to high schools, aggressive conflict is subject to the same constraints known of cooperative animal societies. It is only when social relationships are valued that one can expect the full complement of natural checks and balances. |
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Living Links, Center for the Advanced Study of Human and Ape Evolution, Yerkes Regional Primate Research Center, and Psychology Department, Emory University, Atlanta, GA 30322, USA. dewaal@emory.edu |
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0036-8075 |
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PMID:10915614 |
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no |
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Call Number |
refbase @ user @ |
Serial |
187 |
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Author |
Cheney, D.; Seyfarth, R.; Smuts, B. |
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Title |
Social relationships and social cognition in nonhuman primates |
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Journal Article |
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Year |
1986 |
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Science (New York, N.Y.) |
Abbreviated Journal |
Science |
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Volume |
234 |
Issue |
4782 |
Pages |
1361-1366 |
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Keywords |
Animals; *Cognition; Female; Male; Pair Bond; Primates/*physiology; *Social Behavior; Social Dominance; Social Perception |
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Abstract |
Complex social relationships among nonhuman primates appear to contribute to individual reproductive success. Experiments with and behavioral observations of natural populations suggest that sophisticated cognitive mechanisms may underlie primate social relationships. Similar capacities are usually less apparent in the nonsocial realm, supporting the view that at least some aspects of primate intelligence evolved to solve the challenges of interacting with conspecifics. |
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0036-8075 |
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PMID:3538419 |
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no |
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refbase @ user @ |
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349 |
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Author |
Miklósi, Á.; Soproni, K. |
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Title |
A comparative analysis of animals' understanding of the human pointing gesture |
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Journal Article |
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Year |
2006 |
Publication |
Animal cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
9 |
Issue |
2 |
Pages |
81-93 |
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*Animal Communication; Animals; *Behavior, Animal; Child; Child, Preschool; Dogs; Fixation, Ocular; *Gestures; Hand; Humans; *Nonverbal Communication; Pinnipedia; Primates; Problem Solving; *Recognition (Psychology); Species Specificity |
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We review studies demonstrating the ability of some animals to understand the human pointing gesture. We present a 3-step analysis of the topic. (1) We compare and evaluate current experimental methods (2) We compare available experimental results on performance of different species and investigate the interaction of species differences and other independent variables (3) We evaluate how our present understanding of pointing comprehension answers questions about function, evolution and mechanisms. Recently, a number of different hypotheses have been put forward to account for the presence of this ability in some species and for the lack of such comprehension in others. In our view, there is no convincing evidence for the assumption that the competitive lifestyles of apes would inhibit the utilization of this human gesture. Similarly, domestication as a special evolutionary factor in the case of some species falls short in explaining high levels of pointing comprehension in some non-domestic species. We also disagree with the simplistic view of describing the phenomenon as a simple form of conditioning. We suggest that a more systematic comparative research is needed to understand the emerging communicative representational abilities in animals that provide the background for comprehending the human pointing gesture. |
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Department of Ethology, Eotvos Lorand University, Budapest, Pazmany P 1/c, H-1117, Budapest, Hungary. miklosa@ludens.elte.hu |
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1435-9448 |
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PMID:16235075 |
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Call Number |
refbase @ user @ |
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463 |
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