Lecture 6 - the original stimulus Sensory adaptation Visual...

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Lecture 6 A seamless 2-step process (usually Sensation o Stimulation of the sense organs o Gathering information o Transmitting information Perception o Selection o Organization o Interpretation Sensation Perception Sensation o The stimulation of specialized cells (aka sensory receptors) Sensory receptors o Physical energy electrical impulses o Transmitted via neurons brain (transduction) Thresholds 2 types of thresholds for each sense: o 1. Absolute threshold: smallest possible strength of a stimulus detected ½ of the time o 2. Difference threshold: smallest possible difference between two stimuli detected ½ the time (aka “just noticeable difference”) Weber’s Law o Detecting change in the strength of a stimulus depends on the intensity of
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Unformatted text preview: the original stimulus Sensory adaptation Visual Perception Major topics= organization & interpretation Gestalt psychology o Strong tendency to perceive forms (Gestalts) 3 groups of principles o 1. Form o 2. Depth o 3. Constancies Perception of form Rorschach inkblot 1) Figure-ground segregation reversibility 2) Closure- viewers tend to supply missing elements to close or complete a familiar figure 3) Continuity- viewers tend to see elements in ways that produce smooth continuation 4) Proximity- elements that are close to one another tend to be grouped together 5) Simplicity- viewers tend to organize elemetns in the simplest way possible...
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Lecture 6 - the original stimulus Sensory adaptation Visual...

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