07 Form Perception

07 Form Perception - the second drawing overrides this...

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07 Form Perception I. Gestalt Principles – the rules we are hardwired to follow to yield patterns in perception a. We are predisposed to impose order in certain ways b. i. Includes “principle of similarity”, “principle of proximity”, “principle of good continuation”, “principle of symmetry” ii. We tend to lump things together that move together c. These principles help us to quickly perceive objects (separate figure and ground) according to rules that best fit the environment we have evolved in (e.g., animals are usually symmetrical (due to gravity), objects usually move together, the outlines of objects tend to curve gradually) i. This often results in the brain adding stimulus information that isn’t actually there II. Top-down vs. Bottom-up a. While many of these processes are bottom-up, they also work through top-down processes i. ii. 1. Even though the first drawing operates in a top-down fashion, the frequency lines in
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Unformatted text preview: the second drawing overrides this (high frequency lines indicate a figure [more detail], while lower frequency lines indicate the ground) b. Top-down Perception i. An ambiguous stimuli is interpreted through the lens of immediately prior perceptions 1. ii. On some level, the mind reads all possibilities in an ambiguous figure and then only consciously perceives the most likely solution 1. a. Could be bc cool, bc eool, or be eool, but none of those make sense) iii. The mind will quickly read any available words, subsequently biasing perception 1. a. In this case, people recognized the letter D at the end faster if it was included in a word than if it is just the letter D and slower if it is included in a nonsense word (e.g., owrd)...
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07 Form Perception - the second drawing overrides this...

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