75194
Descrição
Mapa Mental por arashi0712, atualizado more than 1 year ago
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Criado por arashi0712
mais de 11 anos atrás
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Social brain hypothesis
- Assertains that the most challenging
area is not the ecological but the social
- Complexity of social lives accounts for large brains to cope
with info processing and ability to manip that info
- sbh is an ecological theory that states ecological problems like foraging,
offspring rearing, better solved socially than individ
- always about the complexity and quality not the quantity
- neocortical size correlates with sociallty in primates - nocortical size and group size
- sociality response to ecological problems ; size and structure represents a balance
between predation risk and competition = selection pressure to evolve strategies and
tactics to negate -ve impacts competition would have on repro success
- supports sbh - proposed strategies involve coalitions and alliances
allowing indivs to band together and prevent resource monopoly
- linked to carnivores and cetaceans
- linked to carnivores and cetaceans
- supports sbh - proposed strategies involve coalitions and alliances
allowing indivs to band together and prevent resource monopoly
- sociality response to ecological problems ; size and structure represents a balance
between predation risk and competition = selection pressure to evolve strategies and
tactics to negate -ve impacts competition would have on repro success
- neocortical size correlates with sociallty in primates - nocortical size and group size
- always about the complexity and quality not the quantity
- sbh is an ecological theory that states ecological problems like foraging,
offspring rearing, better solved socially than individ
- Complexity of social lives accounts for large brains to cope
with info processing and ability to manip that info
- computational power needed to track own and 3rd party relationships
- deception rate and neocortex
- consistent that social challenges driven neocortical size
- correlates with group size, grooming clique size (alliance), strategies
used by males in mating, social manip
- cognitive demand lone animals lower than stable social groups
- cognitive demand lone animals lower than stable social groups
- correlates with group size, grooming clique size (alliance), strategies
used by males in mating, social manip
- consistent that social challenges driven neocortical size
- deception rate and neocortex
- consequences
- late sexual maturity
- small litter size
- long interbirth intevals
- extended lifespan
- late weaning
- Juvenille period extended for knowledge
aquistion, reconciliation how to perform
benefical affiliations fighting and sexual
skills learn to coop
- Juvenille period extended for knowledge
aquistion, reconciliation how to perform
benefical affiliations fighting and sexual
skills learn to coop
- late weaning
- extended lifespan
- long interbirth intevals
- small litter size
- late sexual maturity
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