PSYC 107 1st Edition Lecture 12Outline of Last Lecture I. Transduction Processa. Based on light hitting them, action potential is released. b. Multiple rods and cones speak to a single bipolar cell c. Interneurons II. Opponent process theory – visual elements are sensitive to color and are grouped into pairs. III. Thresholda. 2 typesb. Fechner’s Lawc. Weber’s Lawd. Signal Detection Theorye. Response Criterioni. Willingness or reluctance to acknowledge the stimulus. IV. Stimulus CategoriesV. Processing Informationi. Bottoms upii. Top DownOutline of Current LectureI. Backwards Music on Record playersII. Attention1. Voluntary – purposeful2. Involuntary – stimulus driven. III. Consciousnessa. Subjective experience of what the world is like. Ones own mental processes, thoughts, feelings and perception. i. Level1. How aware are you?ii. State1. Nature of subjective experience. b. Unaware processingc. States of Consciousnessi. All of our respective states are at different levelsd. Circadian Rhythmsi. Regulation of biological cycles into regular patterns. ii. About over the course of a day, especially the sleep and wake cycleLecture 11 NotesIV. Backwards Music on Record playersa. Huge uproar about supposed subliminal messages. b. Top down process theory example.c. Back masking – process of reversing songs. d. Our brain helps us unfold words over time, and makes it impossible to un-hear something once we have heard it. i. How we see the world really impacts who we are and the decisions that we make. V. Attentiona. Directing and focusing certain limited psychological resources to enhance perception performance and mental experience. i. Texting in class makes it hard to pay attentionii. Sometimes it is voluntary sometimes it is involuntary. 1. Voluntary – purposeful2. Involuntary – stimulus driven. VI. Consciousnessa. Subjective experience of what the world is like. Ones own mental processes, thoughts, feelings and perception. b. Not a central part of the brain, everything works together. c. Different parts of the brain working on the same problems at the same time. i. Parallel distributive processing. ii. Global workspace model – consciousness arises through brain process happening at one point in time d. Levels vs. Statesi. Level1. How aware are you?ii. State1. Nature of subjective experience. e. Unaware processingi. Priming – respond faster and more stimuli that are more familiar. ii. Mere – exposure effects, people prefer previous encountered stimuli1. Even if we aren’t consciously aware of it2. We rarely fall out of bed – this is a perfect example. f. States of Consciousnessi. Variations on what mental processes occur. 1. Wakefulness2. Sleep3. Drug induced4. Meditation5. Hypnosisii. All of our respective states are at different levelsg. Circadian Rhythmsi. Regulation of biological cycles into regular patterns. ii. About over the course of a day, especially the sleep and wake cycle1. Suprachiasmatic nucleus – in hypothalamus, helps with light intelligence. 2. Pineal Gland – secretes melatonin3. Melatonin – hormone that influences our sleep
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