CARTA - Anthropogeny (Audio)

In this talk Terrence Deacon (UC Berkeley) describes how the signature pattern of specific brain structure changes can provide evidence to distinguish between the processes associated with domestication. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Science] [Show ID: 28898]

In this talk Richard Wrangham (Harvard Univ) puts forth the theory that Homo sapiens are, in fact, a self-domesticated species. He defines “self-domestication” as the evolution of a reduced propensity for reactive aggression (compared to an immediate ancestor), without the active involvement of another species. He then shows that communal sanctions practiced by hunter-gatherers, which depend on proactive aggression, provide a leading candidate mechanism selecting against high levels of reactive aggression. He therefore proposes that human self-domestication is an ironic consequence of a particularly well-developed facility for proactive aggression, and concludes that humans did indeed self-domesticate, providing a critical underpinning for inter-individual tolerance and cooperation.

Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Science] [Show ID: 28902]

Closing remarks and Q&A for the symposium “Domestication and Human Evolution.” Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Science] [Show ID: 28903]

Philipp Khaitovich (PICB, Shanghai) and his team have identified the human-specific delay in timing of neocortical synaptogenesis as one of the molecular mechanisms that potentially underlies the evolution of the human phenotype. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Science] [Show ID: 28899]

Anna Kukekova (Univ of Illinois at Urbana-Champaign) discusses the genetics-centered view of domestication that was supported by the experimental selection of farm-bred foxes (Vulpes vulpes) at the Russian Institute of Cytology and Genetics back in the 1950s. The selection of foxes, some for tame and some for aggressive behavior, yielded two strains with markedly different, genetically determined, behavioral phenotypes. These fox strains have provided a rich resource for investigating the genetics of complex social behaviors. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Science] [Show ID: 28896]

Robert Wayne (UCLA) presents a historical perspective on dog evolution in this talk. The timing and context of dog domestication is controversial. Wayne’s findings place domestication at a time when humans were migratory hunter-gatherers and suggest that a unique domestication scenario applies to the dog, the only large carnivore ever domesticated. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Science] [Show ID: 28895]

Recently, a convergence of views has led to the notion that the study of animal domestication may tell us something not only about our relationship with domesticated species since perhaps at least the Pleistocene, but also about our own evolution as a species in the more distant past. This symposium brings together scientists from a variety of research backgrounds to examine these views and to elucidate further the possible role of domestication in human evolution. Kazuo Okanoya (Univ of Tokyo) begins with a discussion about Domestication and Vocal Behavior in Finches, followed by Richard Wrangham (Harvard Univ), who tries to answer the question Did Homo sapiens Self-Domesticate?, and Terrence Deacon (UC Berkeley), who closes with The Domesticated Brain. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Science] [Show ID: 28893]

Recently, a convergence of views has led to the notion that the study of animal domestication may tell us something not only about our relationship with domesticated species since perhaps at least the Pleistocene, but also about our own evolution as a species in the more distant past. This symposium brings together scientists from a variety of research backgrounds to examine these views and to elucidate further the possible role of domestication in human evolution. Terrence Deacon (UC Berkeley) begins with a discussion about The Domesticated Brain, followed by Philipp Khaitovich (PICB, Shanghai) on Neotenous Gene Expression in the Developing Human Brain, and Tecumseh Fitch (Univ of Vienna) on The Domestication Syndrome and Neural Crest Cells: A Unifying Hypothesis. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Science] [Show ID: 28892]

Recently, a convergence of views has led to the notion that the study of animal domestication may tell us something not only about our relationship with domesticated species since perhaps at least the Pleistocene, but also about our own evolution as a species in the more distant past. This symposium brings together scientists from a variety of research backgrounds to examine these views and to elucidate further the possible role of domestication in human evolution. Robert Wayne (UCLA) begins with a discussion about The Transformation of Wolf to Dog: History, Traits, and Genetics, followed by Anna Kukekova (Univ of Illinois at Urbana-Champaign) on Fox Domestication and Genetics of Complex Behaviors, and Robert Franciscus (Univ of Iowa) on Craniofacial Feminization in Canine and Human Evolution. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Science] [Show ID: 28891]

Sarah Blaffer Hrdy(UC Davis) discusses how reliance on allomaternal assistance to rear young rendered mothers increasingly sensitive to signals of how much social support she and her offspring could expect. Additionally, multiple offspring, with overlapping periods of dependency, meant that mothers might be forced to choose between offspring when investing. Paternal and alloparental responses to infants would also be facultatively expressed, depending on probable relatedness, alternatives available, past experience and degree of exposure to infantile appeals. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Science] [Show ID: 28217]