Alle Publikationen
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2016
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(2016): Towards a Computational Comparative Neuroprimatology. Framing the language-ready brain. In: PHYSICS OF LIFE REVIEWS 16, S. 1-54. DOI: 10.1016/j.plrev.2015.09.003
DOI: http://www.ncbi.nlm.nih.gov/pubmed/26482863 Abstract: We make the case for developing a Computational Comparative Neuroprimatology to inform the analysis of the function and evolution of the human brain. First, we update the mirror system hypothesis on the evolution of the language-ready brain by (i) modeling action and action recognition and opportunistic scheduling of macaque brains to hypothesize the nature of the last common ancestor of macaque and human (LCA-m); and then we (ii) introduce dynamic brain modeling to show how apes could acquire gesture through ontogenetic ritualization, hypothesizing the nature of evolution from LCA-m to the last common ancestor of chimpanzee and human (LCA-c). We then (iii) hypothesize the role of imitation, pantomime, protosign and protospeech in biological and cultural evolution from LCA-c to Homo sapiens with a language-ready brain. Second, we suggest how cultural evolution in Homo sapiens led from protolanguages to full languages with grammar and compositional semantics. Third, we assess the similarities and differences between the dorsal and ventral streams in audition and vision as the basis for presenting and comparing two models of language processing in the human brain: A model of (i) the auditory dorsal and ventral streams in sentence comprehension; and (ii) the visual dorsal and ventral streams in defining "what language is about" in both production and perception of utterances related to visual scenes provide the basis for (iii) a first step towards a synthesis and a look at challenges for further research.
Keywords: Animals, Ape gesture, Auditive Faktoren, Biological Evolution, Computational Biology, Cultural evolution, Dorsal and ventral stream, dorsale und ventrale Ströme, Dyadic brain modeling, dynamic brain modelling, Evolution, Gehirnfunktion, Grammatik, Humans, Im (wissenschaftlichen) Diskurs, Imitation, Intellektualtechnik, Kogn. Architektur, kognitive Architekturen, Kognitive Skills/Social Cognition, Kompositionale Semantik, Künstliche Intelligenz, Language, Language evolution, language-ready brain, Mensch-Technik-Relationen (MTR), Models, Neurological, Ontologische Differenzierungen: Tier, Mensch, Maschine, Pantomime, Primates, Protosprachen, Psychomotor Performance, Realtechnik, Reflexionen über MTR, sprachbereites Gehirn, Sprache, Sprachevolution, Sprachfähigkeit, Sprachverstehen, Technik, Tier, Mensch, Maschine, Tier-Mensch-Vergleich, Vollsprachigkeit (vs. Protosprachigkeit) -
(2016): The evolution of power and the divergence of cooperative norms. In: Journal of Economic Behavior & Organization 126, S. 75-88. DOI: 10.1016/j.jebo.2015.09.002
Abstract: We consider a model of multilevel selection and the evolution of institutions that distribute power in the form of influence in a group's collective interactions with other groups. In the absence of direct group-level interactions, groups with the most cooperative members will outcompete less cooperative groups, while within any group the least cooperative members will be the most successful. Introducing group-level interactions, however, such as raiding or warfare, changes the selective landscape for groups. Our model suggests that as the global population becomes more integrated and the rate of intergroup conflict increases, selection increasingly favors unequally distributed power structures, where individual influence is weighted by acquired resources. The advantage to less democratic groups rests in their ability to facilitate selection for cooperative strategies – involving cooperation both among themselves and with outsiders – in order to produce the resources necessary to fuel their success in inter-group conflicts, while simultaneously selecting for leaders (and corresponding collective behavior) who are unburdened with those same prosocial norms. The coevolution of cooperative social norms and institutions of power facilitates the emergence of a leadership class of the selfish and has implications for theories of inequality, structures of governance, non-cooperative personality traits, and hierarchy. Our findings suggest an amendment to the well-known doctrine of multilevel selection that “Selfishness beats altruism within groups. Altruistic groups beat selfish groups.” In an interconnected world, altruistic groups led by selfish individuals can beat them both. zitiert von 37
2010
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(2010): Social cognition and the evolution of language: constructing cognitive phylogenies. In: Neuron 65 (6), S. 795-814. DOI: 10.1016/j.neuron.2010.03.011
DOI: https://doi.org/10.1016/j.neuron.2010.03.011 Abstract: Human language and social cognition are closely linked: advanced social cognition is necessary for children to acquire language, and language allows forms of social understanding (and, more broadly, culture) that would otherwise be impossible. Both "language" and "social cognition" are complex constructs, involving many independent cognitive mechanisms, and the comparative approach provides a powerful route to understanding the evolution of such mechanisms. We provide a broad comparative review of mechanisms underlying social intelligence in vertebrates, with the goal of determining which human mechanisms are broadly shared, which have evolved in parallel in other clades, and which, potentially, are uniquely developed in our species. We emphasize the importance of convergent evolution for testing hypotheses about neural mechanisms and their evolution.
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