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Lecture 9

PSY BEH 11B Lecture Notes - Lecture 9: Visual Cortex, Transcranial Magnetic Stimulation, Decision-Making


Department
Psychology and Social Behavior
Course Code
PSY BEH 11B
Professor
Kier Groulx
Lecture
9

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PsyBeh 11B (54050) Week 5
Lecture #9 Thinking 1, Representations
Mental Representations allow us to
Think about physical objects not immediately present
Consider the outcomes of actions that we are not currently experiencing
Draw conclusions based on evidence from events that we’ve encountered in the past
and so are available only through memory
Two important themes
Humans are simultaneously capable of
o Having extraordinarily high-quality thinking
o Of coming to conclusions that are completely unjustified and making foolish
choices
o Can still make grievous mistakes
The nature of thoughts depends critically on what it is that thought manipulates
o Ideas can be representations
Mental Representation
Content in the mind that stands for some object or event or state of affairs
o Can be represented in the world around you
Two broad classes of mental representations
o Analogical: mental images
Ex: picture of a cat
o Symbolic: propositions
Ex: the word cat
Sentences, diagrams, mostly everything that isn’t image, sound, or
mapping etc.
Continuum not a categorical distinction
o Can say representations can primarily fall into one category, but most have some
components from both categories
Mental Images and Symbols
Gives you an idea; not 100%
o At a point in time
o Doesn’t give you all information
o Mental images are a one-to-one pairing of what you look like
What does research on visual imagery indicate?
The same brain areas are involved in visual perception and visual imagery
People who lose the ability to see color lose ability to imagine color
People who lose the ability to perceive detail lose the ability to imagine detail
find more resources at oneclass.com
find more resources at oneclass.com
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