PSYA02 Feb 25, 2013
Evolution: Why do we love?
She‟s upright and bipedal but still had a small, primate-sized head.
o It‟s been thought that bipedalism was because the brain got bigger, with
o This isn‟t true though… Lucy is biped
Humans (and most primates) are more K strategy (very few children that are extensively
raised) than r strategy (more offspring, less involvement) in terms of procreation
strategies … maybe too K
With less children, if there is an environmental problem, they can be wiped out
Bipedalism is supposed to help with raising children – when the mother is own all-fours,
she can only carry one baby on her back. Bipedalism is supposed to make this easier
so that the mothers can care for more than one baby.
For enough children to be born mothers need help raising them … fatherly commitment
Typical mating strategies are not conducive to the formation of long-term pair bonds …
too “one hour stand” like… unless we came to be attracted to very specific sexual-social
How do we keep the mates together? Eventually, the males began to identify that
there were females (females they were attracted to) that they wanted to stay with
and care for them etc. = falling in love?
Types of Attraction PSYA02 Feb 25, 2013
What is Beauty? Smoothness?
Faces are not symmetrical – apparently, if our faces were to be exact on each side. We
would be more attractive.
faces are morphed,
the resulting face is
considered to be
They create an
If two attractive (symmetrically faced) people have children, their children are
probably going to be more attractive as they are an average of the two parents