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Perception (PSY)

by Tarry Ahuja, MD
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    Okay. So now, we’re going to get into the topic of perception. How do you perceive things? And this is a process that I think a lot of us just take for granted, right? We don’t ever think about, “How am I going to perceive this image?” Or “How am I going to perceive the situation?” It kind of just happens and you just deal with it. Let’s start with an image. So take a look at this image. What do you see? Take a minute, think about it. And you’re reaction might be, “Oh, I see.” So you might see two triangles opposed to one another with one on top of the other, right? How are you seeing that? Because in reality what’s drawn there are a couple of broken lines and a couple of green Pac-Mans which aren’t connected to anything. But you’re still seeing two triangles. So you’re perceiving a complete picture you’ve completed in your mind. How does that happen? Look at this one. What are you seeing here? Take a minute. Get up close to your computer screen. Get up close to your computer screen. Now, there's two possibilities here. You have two Taylor Swift looking ladies on either end with a candelabra in the middle. Or do you see two people? Let’s go with a guy and a girl. Maybe it’s two girls. Who knows? About to kiss in the middle. Okay? So what do you see? Again, you could see either, you could see both. And if I’m directing your attention to one versus the other, you might see it that way but you’re perceiving a picture based on broken pieces of information. So theoretically, on paper, this shouldn’t make sense. How am I seeing a few odd things and realizing that that’s...

    About the Lecture

    The lecture Perception (PSY) by Tarry Ahuja, MD is from the course Sensing the Environment.


    Included Quiz Questions

    1. Top-down processing
    2. Bottom-down processing
    3. Gestalt principle
    4. Sensory Adaptation
    5. Threshold
    1. Gestalt principle
    2. Muller's doctrine
    3. Weber's law
    4. Fechner's Llaw
    5. Signal substitution theory
    1. Sensory receptors
    2. Frontal cortex
    3. Hippocampus
    4. Cognition
    5. Motor efferents

    Author of lecture Perception (PSY)

     Tarry Ahuja, MD

    Tarry Ahuja, MD


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