← Unit 4 Psychology Test
5 Written Questions
5 Matching Questions
- top-down processing
- bottom-up processing
- difference threshold
- subliminal perception
- a Just Noticeable Difference (JND); the smallest change in stimulation that you can detect 50% of the time; differs from one person to the other (and from moment to moment); tells us the flexibility of sensory systems
- b Sensory information that is detected without our conscious knowledge
- c Starts with basic sensory information; transduction
- d visual receptor cell; located in retina; respond to varying degrees of light and dark; responsible for night vision and peripheral vision
- e Constructing perceptions based on our experiences and expectations
5 Multiple Choice Questions
- The processing of several aspects of a problem simultaneously; the brain's natural mode of information processing for many functions, including vision, hearing
- Ernst Weber; the principle that accounts for how one notices the difference threshold for any change must be proportional
- binocular distance cue; based on the overlay of two retinal fields when both eyes focus on one object
A ring of muscle tissue that forms the colored portion of the eye around the pupil and controls the size of the pupil opening.
- States that circumstances, experiences, expectations affect our thresholds
5 True/False Questions
blind spot →
transparent part of the eye behind the iris; focuses light on the retina (accommodation); change shape to focus on objects;-if object is closed, muscles attach to the land contract to make lens around,-if object is far away, the muscles pull to flatten the lens
fovea → The central focal point in the retina, around which the eye's cones cluster.
Sensory interaction → Diminished sensitivity as a consequence of constant stimulation.
opponent process theory → The theory that opposing retinal processes (red-green Christmas, yellow-blue Michigan, white-black) enable color vision.
Young-Helmholtz trichromatic theory → created by Hermann von Helmholtz; theory of color vision based on additive color mixing; suggest that the retina contains three types of color receptors, cones: red, green, blue