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Lecture 25

PSYA01H3 Lecture Notes - Lecture 25: Critical Period, Rationality, Social Change

Course Code
Steve Joordens

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Critical Periods
Eg. Genie could not pick up and learn new works
She was held captive since birth
Was punished for making noise, found when she was 12 years old
Critical period: there is a time where your brain is "ready" to learn language
Learn language naturally and easily
After this period, very hard to learn language
Good scientific thinking = is there another cause for this?
Body Language
Only part of language is what is said
Micro expressions matter
You are seeing their body when you talk to someone
What their face is doing and how their body is moving
Whenever we lie, there is a part of us that knows we could get caught
Negative emotion (including fear) = muscles between eyebrows tense up
Tells the person we talk to how confident we are in what we are saying
How you deliver something, matters!
Eg. Dogs want a strong leader
Making Decisions Is a Pain in the Ass
Lecture 25 (Thought and Decision Making)
Monday, November 4, 2019
11:18 AM

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Kirk VS Spock (StarTrek)
Kirk -> emotional human being
Spock -> logical, though rationally
We are all Kirk's but society wants us to be Spock's
Daniel Kahneman
Psychologist, book called "Thinking , Fast and Slow"
Compared human quick decisions VS thought out, rational thoughts
Said human beings are not always rational
Won Nobel Prize
Basing decisions on so-called heuristics (mental short cuts)
Kahneman says that we do not rely on data (rational), we have heuristics
Things we rely on to get an approximately right answer
Frequencies: how often something occurs
Probabilities: likelihood of something occurring
Let's Talk About Death
What is more likely to kill you?
Your dog
Your furniture
What is the point of it?
Availability Heuristic
Availability Heuristic
Thinking of words that start with R VS where R is the third letter
When we try to think of likelihood, we think of what we hear of more or
what comes to mind first
Eg. News
If something can come to mind more easily, then we think it is more probable
Who Is Tom?
Tom is most likely…
In humanities
In nursing
In computer science
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