Chapter 10 Notes 10-22-09

Chapter 10 Notes 10-22-09 - Chapter 10 Consciousness States...

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Chapter 10 Consciousness
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States of Consciousness There are varying ____varying_____ of consciousness. It is a very difficult topic to investigate. Consciousness : The ___degrees_______ experience of perceiving one’s self and other entities. Brain activity and consciousness are related. ____decreases____ in ___brain_____ activity typically follows the ____decline____ in level of consciousness. Brain activity below a certain level is unconscious.
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Phi Effects, Spatial Neglect, Blindsight Blindsight, Spatial Neglect, and Phi Effects all show that our __brain_ functions, and our conscious awareness are __two__ different things. With blindsight , people can't see objects but--if pressed--they can guess (with pretty good accuracy) the location of the _object_ . In spatial neglect , a person may have information in one hemisphere but can't consciously access it. For example, a patient with __spatial____ neglect bump into objects on the left side, won't shave the left side of their face, ignore instructions whispered into their left ear. phi effects are an optical illusion where your brain __perceive__ stationary objects, but you think you're seeing motion. Again, these phenomena show that what our brain _experience_ is different from what we think we "know."
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Unconscious Processes phi effect : Studies of the phi effect – an optical _illusion_ in which the rapid appearance and disappearance of two stationary objects such as flashing _lights_ are perceived as the movement back and forth of a single object. The illusion is an erroneous perception Studies of spatial neglect and blindsight provide evidence of unconscious process Spatial neglect is a tendency of persons who have _right_ hemispheric damage to ignore information and _sensations_ affecting the left side of the body. It is a tendency to _ignore_ the left side of the body, the left side of the world, and the left side of objects Blindsight is found in individuals who _suffer_ from blindness. They respond to visual stimuli, although they will report not being consciousness of them. It is the ability to respond to _visual__ information in certain ways without being conscious of it
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Figure 10.2 Figure 10.2: A person who ordinarily ______ the left arm gives it more attention if it __________ over or under the right arm.
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Unconscious Processes Readiness __potential___ : The phenomenon of readiness _potential__ – the increased motor cortex activity prior to the start of a _movement_ - provides evidence that we begin our actions before we become aware of our _intention_ to act. Déjà vu: is feeling of _uncanny_ familiarity with a strange person, new place or event. the sense that an event is uncannily familiar Capgras syndrome: is a condition in which person insists that _familiar_ individuals are actually impostors who resemble those people. It is a condition in which a person _regards_ relatives and close friends as unfamiliar, insisting that these people are impostors who just resemble the real people These continue to pose challenges as we attempt to determine their neurological origins
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This note was uploaded on 01/25/2010 for the course PSYCHOLOGY 830:101 taught by Professor Garybrill during the Spring '09 term at Rutgers.

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Chapter 10 Notes 10-22-09 - Chapter 10 Consciousness States...

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