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Perception
| Question | Answer |
|---|---|
| What is the perceptual process? | Process by which stimuli in our environment leads to behavioral responses |
| What might be a sample 7 stage process in visual perception? | Visual stimuli -> light transformation -> receptor processes -> neural processing-> perception -> recognition -> action |
| Differentiate distal from proximal stimuli: | Distal - object existing independent of our perception Proximal- pattern of energy from these object that is transduced into neural signals |
| What is psychophysics? | Study of the relationship between sensory experience and the physical stimuli that elicit those experiences |
| What was Gustav Fechner’s role in the development of psychophysics ? | Founder of the field, laid the groundwork using his laws… |
| What were Fechner’s 3 central problems? | 1. Detection 2. Discrimination 3. Scaling |
| Describe method of constant stimuli | Method used in psychophysics to measure a subject’s sensory threshold- esp absolute threshold |
| What is threshold stimulus level: | Minimum level at which the stimulus is detected: |
| Describe the assumption of discrete threshold in Fechner’s method to detect absolute threshold. | Observer can be in a detect/non detect stage they either detect or don’t detect stimulus |
Created by:
Edwinomondi