PSY 101 Lecture 10: 02/12 Sensory and Perception

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12 Feb 2019
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The study of how the world out there gets in and how we construct internal representations of the external world. Sensation refers to the stimulation of the sensory organs by physical energy from the external world, and the conversion of this energy into neural signals (sensory neurons) Transduction = the conversion of one energy source (like from the external world) and converting it into neural signals. Prosopagnosia - people who are able to recognize the specific spatial layout and characteristics of facial features, but they are unable to process them as one entire face. They can sense a face, but can"t percept the face. Absolute threshold - the minimum stimulation necessary to detect physical stimulation half the time; that is, a particular light, sound, pressure, taste, or odor. In a signal detection task,across a number of trials, stimuli of different intensities are presented.

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