Social brain hypothesis

Description

Social Brain hypthesis Mind Map on Social brain hypothesis, created by arashi0712 on 07/05/2013.
arashi0712
Mind Map by arashi0712, updated more than 1 year ago
arashi0712
Created by arashi0712 almost 11 years ago
99
1

Resource summary

Social brain hypothesis
  1. Assertains that the most challenging area is not the ecological but the social
    1. Complexity of social lives accounts for large brains to cope with info processing and ability to manip that info
      1. sbh is an ecological theory that states ecological problems like foraging, offspring rearing, better solved socially than individ
        1. always about the complexity and quality not the quantity
          1. neocortical size correlates with sociallty in primates - nocortical size and group size
            1. 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
              1. supports sbh - proposed strategies involve coalitions and alliances allowing indivs to band together and prevent resource monopoly
                1. linked to carnivores and cetaceans
    2. computational power needed to track own and 3rd party relationships
      1. deception rate and neocortex
        1. consistent that social challenges driven neocortical size
          1. correlates with group size, grooming clique size (alliance), strategies used by males in mating, social manip
            1. cognitive demand lone animals lower than stable social groups
      2. consequences
        1. late sexual maturity
          1. small litter size
            1. long interbirth intevals
              1. extended lifespan
                1. late weaning
                  1. Juvenille period extended for knowledge aquistion, reconciliation how to perform benefical affiliations fighting and sexual skills learn to coop
        Show full summary Hide full summary

        Similar

        Cognitive Buffer Hypothesis
        arashi0712
        Cognitive Buffer Hypothesis
        Jamie Skidoosh T
        Tectonic Hazards flashcards
        katiehumphrey
        Sociology Key Words
        kazoakley
        Plant and animal cells
        charlotteireland
        Practice For First Certificate Grammar I
        Alice McClean
        A2 Ethics - Virtue Ethics
        Heloise Tudor
        Geography - Case Studies
        jacobhatcher97
        GCSE Biology B2 (OCR)
        Usman Rauf
        GCSE Maths: Understanding Pythagoras' Theorem
        Micheal Heffernan
        3MA114 Management_test 1/2
        Jakub Beyr