□ Binocular Cues: cues that depend on the use of both eyes. □ Read: AP Psychology - For more on Monocular Cues □ Monocular Cues: cues available with only one eye like interposition, relative height, relative motion, linear perspective, relative size, light and shadow Isn’t it wild that our brain can perceive this and judge the distance of objects? This is called depth perception, and cues (monocular and binocular) can guide us when judging distance. To see this occur to people, watch the following video at 1:41. You may have been so focused on the task given to you that you would have never noticed the most obvious stimuli in the midst of all the action!Ĭhange Blindness: The failure to notice significant changes in our environment. To better understand inattentional blindness, and possibly even experience it: click here! Inattentional Blindness: This occurs when you fail to see visible objects when your attention is focused elsewhere. □ Our lack of attention could also lead to blindness: a failure to notice stimuli. You are only focused on that one person, so all of your attention is centered on them, blocking out all of the “noise.” One of the most famous examples of selective attention is the cocktail party effect, where at a party, you can hear one voice among a million others. Selective attention is our focus on a particular stimulus among others. Our attention to our surroundings can change our perception. The context effect has to do with top-down processing and the brain going back in time, allowing a later stimulus to determine how we perceive an earlier one. Popular examples of schemas are stereotypes and social roles. Our perceptual set is determined by our schemas □, which are concepts that organize information in our experiences. The smell of juicy steak as you enter the restaurant, along with your expectation of the food tasting well, might influence your taste and possibly make you think the food tastes better than it really does. If someone told you that this new restaurant opened nearby and had really delicious food, you would expect to really enjoy the food, so you go and try it. Our perceptual set can change: what we see, feel, taste, and touch. Your perceptual set is your mental predisposition to perceive one thing but not another. It's important to understand that perception is majorly influenced by expectations, context, emotions, and motivations. We process information unconsciously as our neuron systems work together, each performing part of the task. Now, you may ask, what's the main difference between sensation and perception? Sensation is the actual awareness of our environment through the five senses while perception is the way we interpret this sensory information to tell us something about our environment, making sense of where we are. Organizing and interpreting sensory information is all part of perception.
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