Week 5 of Lecture Notes
Week 5 of Lecture Notes Psych 101
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This 2 page Class Notes was uploaded by Audrey Notetaker on Wednesday October 21, 2015. The Class Notes belongs to Psych 101 at James Madison University taught by Dr. David Daniel in Summer 2015. Since its upload, it has received 25 views. For similar materials see Introductory Psychology in Psychlogy at James Madison University.
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Date Created: 10/21/15
VI VII VIII XI Making Sense of the World physical vs mental How do we construct our representation of external world Sensation physical phone is just lines stimulus as it presents to the sensory organs not equipped to process ALL stimulus way your built determines how you see the world Perception mental meaning phone isn t phone until interpreted as one what stimulus represented construction NOT a reaction ex sensationoptical illusions perceptionelephant w many legs sensationblack dot w grey perceptualface lots of light only equipped to see a small amount ex ultraviolet light can t see when you get sunburn TriChromatic Theory how we send colorcolor vision results from the act of 3 different preceptors cones high medium low wavelengths sound and lightwaves short wave high frequencyblue long lowred bright colors great amplitudebrightloud Opponent Processing there are some places you cannot see colors same time antagonistic modelthis way OR that way ex red OR green one or the other 2 thingssee exact opposite The Eye Cornea helps to protect the eye refracts the light into the lens lris controls the amount of lightcolored part when pupil dilates iris gets smaller Retina photoreceptors contains rods and conescolor vision receives the light Optic Nerve connects to CNS sends message received by photoreceptors to the brain Fovea point of central focus Distel far awaydistance of actual object Prox Bring insideimage formed on retina Rods amp Cones Cones middle detailsee color amp fine low sensitivity color and detail sensitive Rods outside peripheralsee better in dim light sense movement don t sense color or detail ex black dotscould see with rods Cats are able to see better night more rods Feature Detectors horizontal vs vertical object constancy seeing thingsremaining the same despite changes in viewer s perspective perception change orientationangles and objects Related to Perceptual Constancy size amp shape of an object remain the same despite the changes Bottom Up Processing letter A is really a black blotch broke down into features by the brain that we PERCEIVE an A Top Down Processing the opposite Accommodation see and predict the way you want it to be perceptual process change interpretation Gibson s Visual Cliff think theres a huge drop as baby crosses oversensation Visual Cliff when can the babies sense the drop 34 months heart rate goes down child crosses to mother recognition but no fearwhen they crawlperception XII Gestalt Principles of Perception the whole is more than the sum of its parts grouping system Proximity Graphing things together because they are close together Similarity group together things that are alike Contimity cement v half circle XIII Context amp Expectations Emotional Context How people react emotionally Figure Ground Vase You decide what is the background in what you focus on Perceptual Psych Not feeling able to change perception s you re set on Biological Influences entry level sensory analysis unlearned visual phenomenon cn calpenod Psychological Influences selective attention learned schemas actions based on pervious experiences Gestalt Principle emotional context perceptual set SocialCultural Influence cultural assumptions and expectations physical context and effects