1. primate parenting, attachment
   1. parental investment
      1. female
      2. male
   2. reproductive rates of humans due to
      1. diet, increased MPI, decreased nursing
   3. factors in maternal care
      1. early maternal experience
      2. number of offspring
   4. attachment
      1. primary attachment to mother
      2. other
         1. peers, aunts, etc.
      3. effects on other behaviors
         1. security
         2. cognitive ability as adult
         3. sexual/social relationships as adult
   5. species differences?
      1. humans (some variation in primary caretakers)
      2. Harlow's monkeys
      3. other NHPs--similar?