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Intro #7

Evolution
by

Cyd Skinner

on 15 September 2016

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Transcript of Intro #7

Evolution by natural selection
Evolutionary Psychology
Acquired Characteristics and Darwin, and environmental change
Random characteristics
that help the animal survive
=
more likely to survive
...
and
mate
...
and
sometimes pass
these characteristics to next generation.
Human
evolution
Friendly foxes
Innate traits
adaptive behaviors
the "cheater" gene
The brain evolving:
Facial
expressions
Role of
learning
Biological preparedness
Biology sets the stage for the development to be learned.
Species Typical Behaviors,
Human:
Fallacies
3. Your brain’s natural “save” button.


It’s a shocking, impressive, or surprising moment that is so moving and memorable, it grabs the listener’s attention and is remembered long after the presentation is over. When your brain detects something new or unexpected, the amygdala releases the neurotransmitter dopamine, which acts as your brain’s natural “save button.” Dopamine creates a heightened state of emotion that makes it more likely your audience will remember your message and act on it.
From: http://blog.prezi.com/latest/2014/9/10/ted-talks-are-wildly-addictive-for-5-scientific-reasons.html?click_source=emailpod1&utm_source=em0whatsnew&utm_medium=email&utm_campaign=gro&utm_term=a370
Intro #7
Evolution
Bipedalism = walking
Encephalization = brain development
Language = pass info to next generation
a lot of these mutations in brain cells building on each other
as an example of human species-specific behavior
Paul Ekman
6 universally recognized expressions/emotions, so innate
Humans are biologically prepared to learn
The cultural differences in expression are learned
Instinctual drift = drifting back to instinct
POLAR BEARS KILL A CHILD AT PROSPECT PARK ZOO
By JAMES BARRON
Published: May 20, 1987 New York Times
Two polar bears mauled and killed an 11-year-old boy who climbed a fence at the Prospect Park Zoo in Brooklyn with two friends last night and then sneaked into the polar bear enclosure
This was at a zoo in Berlin
Mating patterns
Differential parental investment theory
That we are picky about choosing a mate because it is an investment in our role as parents.
18+ years
4-6 weeks
6-11 years
Polygyny:
Polyandry:
Polygynandry:
Monogamy
Human Mating Patterns
All human cultures have some degree of monogamy expected, but this can vary.
2-10% of children are biologically fathered by someone other than the social father.
social monogamy
vs.
sexual monogamy
survival of the fittest
deterministic fallacy
= that genes determine behavior.
naturalistic fallacy
= that biological evolution (natural) can be applied to cultural evolution (social).
http://abcnews.go.com/Nightline/video/wild-foxes-house-pets-18760822
Full transcript