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Psych Test #5
| Term | Definition |
|---|---|
| Lateralization | diff. areas do diff. things (language, logic, math) become more efficient |
| Right Hemi | controls left side of body; perception (interpret info as meaningful) |
| Left Hemi | controls right side of body; decision making tasks(language, logic, math) detailed |
| Dominant Function (right hemi) | face processing, emotions, spatial abilities, music/art |
| Face Processing | understand/identify something as a face (people) |
| Emotions | identifying +/- feelings |
| Spatial Abilities | space, parietal |
| Sensation | physical stimulus specific to sensory organs (pick up on physical stimuli) |
| Sensory Organ | eyes, ears, nose, mouth, skin |
| Physical Stimulus | light, sound wave, pressure, temp, pain, chemicals/ molecules |
| Perception | way we organize and interpret stimulus (make sensations meaningful) or the meaning that you place on a sensation |
| sensation and perception difference | sensation=same, basic interpretation perception=different, complex interpretation |
| Detection | sensory organs built to detect physical stimulus |
| Activation of sensory organs | sensation (detection) once you have sensation you can figure out perception |
| if you percept first... | hallucinations/schizophrenia (percept without sensation) |
| sensation then perception | single stimulus OR diff. between stimuli (physical stimulus must be same quality) |
| single stimulus: vision | dark except 1 point of light |
| single stimulus: hearing | silent except 1 sound |
| Sensory Adaptation | decreased sensitivity to repeating/constant stimuli |
| Perceptual Processing | what the brain does w/ info |
| Perceptual Organization | combine into meaningful units (whole object/pattern) |
| Bottom-up processing | (aware of what you're trying to perceive) stimulus then perception; actively construct that perception |
| EX of Bottom-up Processing | -see someone you recognize but can't figure out how/why you know them (sensation but yet to make meaningful) -group talking to each other in Dutch but sounds like English, unexpectedly realizing it isn't English |
| Top-down Processing | cognition imposed perception; drive what we interpret/how we interpret it (driven by knowledge, goals, experience) |
| EX of Top-down Processing | something out of place (washing machine in kitchen) |
| Perceptual Set | basically being biased to have specific perception (ambiguous/unclear situation) EX: someone tells you "look at this thing" vs. "look at this unicorn" one is more biased |
| Contextual Effect | surrounding info influences outcome EX: LO_E (we know the word is love based on present letters) |
| Feature Detection | neurons responsible for specific characteristics(whole object/pattern broken down to individual traits) of stimuli |
| Parallel Processing | pieces active at once (pieces processed/interpreted at once) |
| Gestalt Grouping Principles | various rules for organizing info/input (makes understanding sensations easier) all follow same rules for making objects/patterns resulting in similarities no access to gestalt=difficulty noticing patterns(groups, sounds, etc) |
| Gestalt grouping principles (not definition) | illusory contours apparent motion (videos, movies) explains |
| Attention | things allowing us to focus |
| Selective Attention | choose what to focus on, ignore other things around you (we cannot concentrate on everything) driven by top-down and bottom-up |
| Bottom-Up SA | basic characteristics draw focus EX: jerky movement (overpowers focus) |
| Top-Down SA | driven by knowledge/goals EX: police sirens in songs while driving (immediate change in focus) |
| Inattention Blindness | failure to perceive because of SA EX: failure to notice motorcycles/people while driving because we look for other cars; looking for something in the fridge but not seeing it even though it's there; hear someone tell a story but not listening |
| Figure-ground segregation | organizing input and attention into figure/object figure: object/pattern ground: less defined, background |
Created by:
madifox05
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