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Psychology Lecture 26.docx

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Steve Joordens

Psychology Lecture 26 (Chapter 6&7) Slide 45: Even though our bounces with each move, our eyes adjusts in order to keep our vision stable. There’s actually constant change in our world, but they’re irrelevant, which the brain filters out. Slide 46: One image is slightly brighter than the other. For example, while you’re talking to something, a cloud comes over, and that causes a shadow that changes the lighting. However, our visual system keeps it constant so we don’t see it as a big deal when the world changes. Slide 47: When you look at a closed door, it’s rectangular, but once you open it (right image), the geometry is different, but we don’t perceive it as a big change. The brain corrects for the change in geometry by making us see a rectangular from a different orientation. This is another example how our brain attempts to make our vision stable and constant. These changes are irrelevant and our brain looks at the reality. Slide 48: Even if not mentioned in lecture, pay attention to the textbook. When the car moves, objects seem to move in the opposite direction when it stops. There are motion cortex that increase firing, but when they stop they may overshoot, which causes that small moment of perception of objects moving in the opposite direction. Chapter 7 Slide 2: both our genes and the environment affect our behavior. But how? How can we use these principles of nature vs nurture to explain the behavior? Slide 3: When we were born, we had some hardwired behavior (like infants know immediately to suck on a nipple when feeding the first time, or dodging reflex when something flies at you) unconditioned (automatic, you didn’t learn). UCS- a stimuli that is automatic, like food entering your stomach UCR- a r
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