PSYC 107 1st Edition Lecture 12 Outline of Last Lecture I Transduction Process a 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 Threshold a 2 types b Fechner s Law c Weber s Law d Signal Detection Theory e Response Criterion i Willingness or reluctance to acknowledge the stimulus IV Stimulus Categories V Processing Information i Bottoms up ii Top Down Outline of Current Lecture I Backwards Music on Record players II Attention 1 Voluntary purposeful 2 Involuntary stimulus driven III Consciousness a Subjective experience of what the world is like Ones own mental processes thoughts feelings and perception i Level 1 How aware are you ii State 1 Nature of subjective experience b Unaware processing c States of Consciousness i All of our respective states are at different levels d Circadian Rhythms i Regulation of biological cycles into regular patterns ii About over the course of a day especially the sleep and wake cycle Lecture 11 Notes IV Backwards Music on Record players a 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 unhear something once we have heard it i How we see the world really impacts who we are and the decisions that we make V Attention a Directing and focusing certain limited psychological resources to enhance perception performance and mental experience i Texting in class makes it hard to pay attention ii Sometimes it is voluntary sometimes it is involuntary 1 Voluntary purposeful 2 Involuntary stimulus driven VI Consciousness a 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 States i Level 1 How aware are you ii State 1 Nature of subjective experience e Unaware processing i Priming respond faster and more stimuli that are more familiar ii Mere exposure effects people prefer previous encountered stimuli 1 Even if we aren t consciously aware of it 2 We rarely fall out of bed this is a perfect example f States of Consciousness i Variations on what mental processes occur 1 Wakefulness 2 Sleep 3 Drug induced 4 Meditation 5 Hypnosis ii All of our respective states are at different levels g Circadian Rhythms i Regulation of biological cycles into regular patterns ii About over the course of a day especially the sleep and wake cycle 1 Suprachiasmatic nucleus in hypothalamus helps with light intelligence 2 Pineal Gland secretes melatonin 3 Melatonin hormone that influences our sleep process
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