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UNC-Chapel Hill PSYC 101 - Connectedness

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Psych 101 1st Edition Lecture 8 Outline of Last Lecture II. Temporal Lobe II. Fusiform Gyrus III. Prosopagnosia IV. AphasiaV. Broca’sVI. Wernicke’sVII. Corpus CollusomVIII. SensationIX. VisionX. Parts of the eyeOutline of Current Lecture XI. Connectedness: XII. Closure: XIII.Continuity: XIV. Similarity: XV. Down Perception:XVI.ProximityXVII. Depth PerceptionXVIII. ConsciousnessXIX.Circadian RhythmsCurrent Lecture-Intentional Failure: to not fully see an object or an event because one’s attention is focused elsewhere.Top-Down Perception:Proximity: Near by figures are group together.Similarity: Tendency to group similar looking objects together.Continuity: We tend to perceive patterns as smooth and continuous discontinues Closure: Our tendency to fill in the gapsConnectedness: refers to the phenomenon of perceiving spots, lines or areas as a single unit when uniformed and linked together. Depth Perception-Binocular Cues: visual cues that require the use of both types. -Convergence: muscular cue, looking at how much do the eyes move closer together as an object moves closer or away from it in space. -Retinal Disparity: takes advantage of the fact that each of the eyes look from different directions.Monocular cues-Relative size, overlap, aerial perspective, texture gradient, relative heightOverlap: if one object appears over the other we call it overlap.Graduated change: in the texture of a visual field. The texture appears less detailed.Relative Height: objects high in the visual field appear further awayRelative motion: the nearer an object is to you the faster it appears to move.Linear Perspective: the apparent convergent of parallel lines indicates depth.Depth perception in the young-Visual cliff: ConsciousnessConscious level: what you are aware of at this very moment.Preconscious level: mental events that are just outside mental awareness but can easily be brought back into awareness. Ex: what did you do for your birthday.Unconscious level: level of consciousness that can occur when asleep, things that happen outside of your awareness. Sleep and our Biological Clock-Circadian Rhythms: daily fluctuation and philosophical. Cycle of activities that repeat themselves every 24hr. Melatonin levels, released by pinion. Body temperature increases throughout the day. -From the Latin, “circa” (about) and “dies” (day).-Violations in circadian rhythms -Alternating Start Class time/coffee before dinner/jet lag.-Re-setting circadian rhythm -Melatonin -Zeitgebers- cues in the environment that help us reset our biological clock. -Sun/light cues -Meals -Social Consciousness and the BrainBeta: Normal Walking though, alert problem solving.Alpha: Deep relaxation, blank mind, meditation.Theta: Light sleepDelta: Deep SleepSleep: StagesStages on and two-Light sleep-Theta wavesStages three and four. Most difficult to wake you up. (sleep-walking)-Deeper sleep-Non-REM sleep-Delta WavesStage five-REM sleep-Beta wavesThe stages repeat themselves every 45-60 min over the course o the night.-REM sleep increases in length and deep sleep (stage4 ) decreases in length as the night


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