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Unformatted text preview: Psych Notes Chapter 10 Consciousness Module 1 Conscious and Unconscious Processes Consciousness is a process, not an object; it is an awareness of sensations Brain Mechanisms Necessary for Consciousness Much of brain activity happens without our being aware of it You are conscious of something if you can report it in words, however, this is not to say that, you are unconscious of something if you cannot report it in words. A good research design works and deals with conscious and unconscious conditions With a masking pattern in one trial, people said they could not see the word at all there was no in-between Consciousness of a stimulus depends on the amount of brain activity Left and right retina compete for brain activity, as shown by the red and green circles this is binocular rivalry The brain focuses consciousness on one thing at a time it is difficult to be conscious of many things at the same time Consciousness as a Threshold Phenomenon It is an all or nothing process You are either completely conscious of something or you are not Consciousness as a Construction You dont see/hear things as they actually happen You can experience 29 ms of a word without being conscious of it until the 50 ms mark, but the first 29 ms still contributed The PHI EFFECT causes you to imagine light traveling across space when it is in fact not In this, what happens last changes how you imagine what happened first Consciousness is probably delayed 30 ms from actual timing Visual and auditory consciousness are likely different in respect to timing Unconscious Perception Semi-Unconscious experience is subliminal Subliminal messaging primes you to detect a similar stimulus to what you saw or heard o Spatial Neglect Caused by damage to the right hemisphere Causes you to ignore the left side of body, world, objects See the whole picture, but attend to only the left half of it Only pay attention to the left when they see nothing on the right o Blindsight Caused by damage to primary visual cortex The ability to respond to visual info without being conscious of it Ex: Blind people shifting their eyes towards a moving object, yet reporting to see nothing Other Phenomena of Consciousness Sensing a familiar experience is DJ VU Familiar setting, conversation Experience is most common in young adults but not much else can be said about it for sure...
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This note was uploaded on 04/21/2008 for the course PSY 111 taught by Professor Cooper during the Spring '08 term at Miami University.
- Spring '08