Visual Organization and Interpretation Module 19

Perceptual Process Perception – Involves interpreting and assigning meaning to the sensations that have been received – Very subjective – Based on personal assumptions and interpretations – Schemas – mental frameworks that organize past experiences in order to make faster perceptions

Perceptual Set Predisposition to interpret an event or stimulus in particular way based on beliefs, emotions, or previous experiences

Effect of Culture Muller-Lyer Illusion

Effect of Culture Muller-Lyer Illusion

Gestalt Principles Gestalt – an organized whole Group of German psychologists Emphasized our tendency to integrate pieces of info into a meaningful whole

Necker Cube

Gestalt Principles Figure-Ground Proximity Similarity Continuity Connectedness Closure video

Depth Perception Awareness of our 3-D world and the distance between us and other objects Eleanor Gibson – Created the visual cliff – Findings depth perception might be innate – Video on visual cliff Video on visual cliff

Binocular vs. Monocular Binocular Cues – Depth cues that depends on the use of two eyes – Retinal disparity Compares images from the 2 retinas – brain computes distance – Convergence Inward turning of your eyes that occurs when you look at object close to you Look at your nose

Binocular vs. Monocular Monocular Cues – Depth cues that use only one eye – See cheat sheet for details

Perceptual Adaptation In vision, the ability to adjust to an artificially displaced or even inverted visual field.

Phi Phenomenon An illusion of movement created when two or more adjacent lights blink on or off in quick succession

Perceptual Constancy – Perceiving objects as unchanging even as illumination and retinal images change Color constancy – Perceiving familiar objects as having consistent color, even if changing illumination alters the wavelengths reflected by the object