MATH 1505 Study Guide - Final Guide: Visual Cortex, Klepton, Sensory System

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Stimuli gradually increases: the absolute threshold is the stimulus intensity detected 50% of the time. vii. Increases constantly proportionately: signal-detection theory the detection of stimuli involves decision processes, along as. Sensory processes, which are both influenced by a variety of factors besides stimulus. Intensity: noise background distractions that lower the chance of detection of a. Stimulus: subliminal perception the registration of sensory input without conscious awareness, such as subliminal messages in movies, advertisements, etc. John krosnick experimented and found that subliminal stimulation generally produces weak effects: sensory adaptation the gradual decline in sensitivity to prolonged stimulation, ex. You jump in cold water; it is very cold at first, but you get used to it: process that keeps people tuned into the changes rather than constants in. Sensory input: sight, the stimulus: light, people need light to see, light form of electromagnetic radiation that travels as a wave at the speed of.