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PSYA01 Ch 9

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Steve Joordens

Ch 9 Consciousness the process of attentionthe fate of info that doesnt enter shortterm memory 3 philosophical positions about the nature of consciousness 1 Its supernaturalmiraculous not to be understood by the human mind 2 Its a natural phenomenon but cannot be understood 3 Its produced by the activity of the braincan be understood HebbConsciousness is the awareness of the complex mental processes of perceiving remembering or thinking Consciousness is a private experience we experience our own consciousness but not that of others Consciousness is a byproduct of our ability to communicate symbolically by using words or other signs Its physiological basis is the activity of language mechanisms of the brain Blindsight the ability to interact behaviourally wobjects while remaining consciously unaware of them Ie a person reaches for a cane all the while maintaining she doesnt see it Consciousness is not a general property of all parts of the brain we are not conscious of everything about ourselves nor are we equally conscious of the same thing all the time Consciousness to be a social phenomenonOur ability to communicate symbolically provides us w selfawareness selfawareness is then built on inner speech which allows us to describe our bhvrscompare to others The ability to communicate symbolically gives rise to consciousness Were able to translate private events thoughts needs into symbolic expressionour words have an effect on the person listening We can also communicate w ourselves privately we can think about things as opposed to saying the words The ability to communicate w ourselves symbolically gives rise to consciousness we are conscious of those private events we can talk about to ourselves or to other ppl our perceptions needs intentions memoriesfeelings Conscious awareness we become able to describethereby use the psychological events that are private to ourselves Descartes believed that conscious thoughts control our movements A contrasting view was that William James suggested that emotional awareness consciousness comes after a reaction sensations f bodyThe Ebbinghaus illusion the circles in the centre of each array are of equal sizesOur perceptual awareness differs f our actions Lateralized readiness potential may reflect brain activity that leads to awareness about action We dont become conscious of all the stimuli detected by our sensory organs Selective attention the process that controls our awareness ofreadiness to respond to particular categories of stimuli or stimuli in particular locations pay special attention to signs other carspedestrians while driving a car Dichotic listening a task that requires a person to listen to 1 of 2 diff msgs being presented simultaneously 1 to each ear through headphones a test of selective attentionShadowing the act of continuously repeating verbal material as soon as it is heard Info listened in the unattended ear is filtered outsome level after the sounds are identified as words fuck cock catch your attention
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