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Psych
| Question | Answer |
|---|---|
| Sensation | Detection of physical energy emitted or reflected by physical objects. |
| Precipitation | The brain organize & interprets sensory info |
| psychophysics | Study of the relationship between energy in the environment & our psychological experience of that energy. |
| absolute threshold? difference threshold? | Absolute- Smallest quantity of physical energy that can be reliable detected by an observer. Greater than 50%. Hearing, vision, taste, smell, touch Diff- Smallest difference in stimulation that can be reliably detected by an observer when 2 stimuli a |
| functions of rods | Periphery: More light sensitive, detect light & dark. |
| What is the blind spot? | Blind spot- Optic disc/ nerve exits the eye |
| define the trichromatic theory and the opponent-process theory of color vision. | Trichromatic ( 3 color theory)- Receptors that are sensitive to different colors: Red, Blue, Green Opponent- see Colors as opposites, Visual system respond to red- green & blue-yellow Red- Green Blue- Yellow Black- White |
| What is the cochlea? | Cochlea- Flexible curved tissue in ear |
| . Define subliminal stimuli. | Message or signal that goes away too fast, but still notice it. ( Flashing hidden McD in cooking show) |
| What are the two general processes in perception? | Bottom up- Stimuli influence perception ( size, motion, intensity) Top-Down- Personal factors influence perception |
| Identify personal and external factors that may influence top down processing in perception. | Motivation, mood, past experiences, expectations |
| What does Gestalt mean? | Meaning whole, totality, configuration. Different than the sum of its parts. |
| proximity | Seeing 2 pictures that have the same pattern and shape but laid out differently |
| What are optical illusions? What best explains them? | Hollow face illusion ) A picture or figure that tricks your eyes and brain into seeing something that isn't there or happening Reveal info about the visual system Derive from over application of perceptual constancies |
| What is an impossible figure? | First glance it could exist but longer you look the weirder it looks and spent look like it exists |
| What is learning? | Relatively permanent change in behavior due to experience. |
| four points about the definition of learning | Broad Not uniquely human Mood, drugs, Temp change Focused on behavior ( Environment), cognitive structure ( learning in school) |
| What are the four basic types of learning? | Habituation- Adaptation to something familiar ( noise, jokes, odors) Classical conditioning- Triggers |
| Who is Ivan Pavlov? | Founder of classical conditioning studied digestion |
| What is an UCS? | Unconditioned stimulus- Food ( UCS) triggers drooling/ hunger ( UCR) |
| What is Extinction? | Extinction- Decline of CR in absence of UCS ( phobias) |
| What is spontaneous recovery? | Reappearance of a previously extinguished response ( smoking) |
| similarity | Grouping things in similar color, shape, into single units and seeing them as belonging together |
| Continuity closure | See smooth continuous lines instead of breaking them down. |
| figure-ground | Seeing 2 pictures in one |
| Acquisition | First stage of when some on or an animal starts to connect 2 things ( Bell ring= food or salvation) |
| UCR? | Uncondition response- Bell or object ( UCR) no salvation but alert |
| NS | Neutral stimulus- Bell ( UCR) does not trigger hunger/ drool but orientation ( before learning) |
| CS? | condition stimulus- Does not cause a reaction- triggers a learned response |
| CR | Condition response- Learned reaction ( Bell = Salvation) |
| functions of cones | Fova: less light sensitive, detect colors, detail vision. |
| Optic nerve? | Smell |
| Optic chiasma | One side crosses over to the other L-R Eye R-L eye |
| What does gustation mean? | Taste |
| Olfaction? | Smell |
| Cutaneous sense? | Skin feels things |
Created by:
emt2023hawkins
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