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  • 2014

  • Watson, Claire F.I.; Buchanan-Smith, Hannah M.; Caldwell, Christine A. (2014): Call playback artificially generates a temporary cultural style of high affiliation in marmosets. In: Animal Behaviour 93, S. 163-171. DOI: 10.1016/j.anbehav.2014.04.027

    Abstract: Cultural variation can be conceptualized in two main ways: as culture-specific qualitative differences in behavioural form, and also as quantitative variation in performance of constellations of universal behaviours (cultural style). Despite observation of both types in wild nonhuman primates, diffusion of qualitative culture has been scrutinized extensively experimentally while within-species transmission of cultural style has remained entirely unexplored. Here we investigated whether a cultural style of high affiliation could be artificially generated in a nonhuman primate (Callithrix jacchus), by daily playback of conspecific affiliative calls simulating nearby amicable individuals. We found that vocalization playback influenced monkeys to spend more time in affiliative behaviours outside playback hours, relative to silent playback. The effect was specific to affiliation, with no impact on other categories of affect. This change did not persist into the final phase of observation after all playbacks were complete. Findings are consistent with a temporary shift in cultural style effected through vocalization playback, supporting existence of this conception of culture in wild primates and indicating auditory social contagion as a potential diffusion mechanism. The method presented here will allow researchers to test hypotheses concerning cultural transmission of cultural style, and the underlying processes, across a range of contexts and species.

    Keywords: BEHAVIOR, behaviour, Biologie, Callithrix jacchus, CALLITHRIX-JACCHUS, CAPUCHIN MONKEYS, CHIMPANZEES, COMMON MARMOSETS, Culture, culture specific, enrichment, Evolution, FOOD, Geräusch/Klang, nonhuman primate, SOCIAL DIFFUSION, social influence, Status / biologische Marker, traditions, transmission

  • 2012

  • Gabor, Christopher S.; Phan, Anna; Clipperton-Allen, Amy E.; Kavaliers, Martin; Choleris, Elena (2012): Interplay of oxytocin, vasopressin, and sex hormones in the regulation of social recognition. In: Behavioral neuroscience 126 (1), S. 97-109. DOI: 10.1037/a0026464

    DOI: http://www.ncbi.nlm.nih.gov/pubmed/22141469 

    Abstract: Social Recognition is a fundamental skill that forms the basis of behaviors essential to the proper functioning of pair or group living in most social species. We review here various neurobiological and genetic studies that point to an interplay of oxytocin (OT), arginine-vasopressin (AVP), and the gonadal hormones, estrogens and testosterone, in the mediation of social recognition. Results of a number of studies have shown that OT and its actions at the medial amygdala seem to be essential for social recognition in both sexes. Estrogens facilitate social recognition, possibly by regulating OT production in the hypothalamus and the OT receptors at the medial amygdala. Estrogens also affect social recognition on a rapid time scale, likely through nongenomic actions. The mechanisms of these rapid effects are currently unknown but available evidence points at the hippocampus as the possible site of action. Male rodents seem to be more dependent on AVP acting at the level of the lateral septum for social recognition than female rodents. Results of various studies suggest that testosterone and its metabolites (including estradiol) influence social recognition in males primarily through the AVP V1a receptor. Overall, it appears that gonadal hormone modulation of OT and AVP regulates and fine tunes social recognition and those behaviors that depend upon it (e.g., social bonds, social hierarchies) in a sex specific manner. This points at an important role for these neuroendocrine systems in the regulation of the sex differences that are evident in social behavior and of sociality as a whole.

    Keywords: Amygdala, Animals, behaviour, Biologische Marker, Erinnerung, Erkennen von Personen und Situationen, Female, Gonadal Steroid Hormones, hierarchy, Hormone, Hormonhaushalt, Male, Metabolism, Neurobiologie, Neuroscientific social cognition, Oxytocin, physiology, RECOGNITION, Social Behavior, Social recognition, Sozialpsychologie, Status, Vasopressins, Wiedererkennen

  • 2010

  • Gershenson, Carlos (2010): Artificial societies of intelligent agents. Virtual experiments of individual and social behavior. Saarbrücken: Lambert Academic Publishing

    Abstract: In this book we use artificial societies to understand and simulate adaptive behaviour and social processes. We obtain this in three parallel ways: First, we present a behaviours production system capable of reproducing a high number of properties of adaptive behaviour and of exhibiting emergent lower cognition. Second, we introduce a simple model for social action, obtaining emergent complex social processes from simple interactions of imitation and induction of behaviours in agents. And third, we present our approximation to a behaviours virtual laboratory, integrating our behaviours production system and our social action model in virtual animats. Before presenting our proposals, we make an introduction to artificial intelligence and behaviour-based systems, and also we give notions of complex systems and artificial societies. Finally, we discuss about the role of adaptive behaviour for understanding cognition and its evolution.

    Keywords: Artificial society, behaviour, Cognition, collective misbelief, engeneering, Favoriten, Gruppenverhalten / Joint Action, imitation of behaviour, intelligent agents, Kognitionswissenschaft/Social Sciences/Humanities, komplexe Systeme, Künstliche Intelligenz, Mensch-Technik-Relationen (MTR), Modelle/Theorien, Realtechnik, Reflexionen über MTR, social emergence, Social Simulation, Soziosensitive Systeme, Technik, Technikphilosophie
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