Intro to Psych Chapter 6.docx

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Rebecca Nappa

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Chapter 6 Consciousness introduction and the functions of consciousness consiousness: moment by moment awareness of ourselves, our thoughts and our environment. introspection: the process of looking withing to observe one's own thoughts, beliefs, and feelings. the cognitive unconscious unconscious inference: the perceptual world as you consciously experience it. cognitive unconscious: the mental support processes outside awareness that make out perception, memory and thinking possible. brain damge and unconscious functioning anterograde amnesia: a profound disruption of memories. usually caused by damage in or around the hippocampus. people with this appear to be almost normal on tests of implicit memory ( memory that is seperate from conscious awareness blindsight: the ability of a person with a lesion in the visual cortex to reach toward or correctly guess about objects in the visual field even though the person reports seeing nothing. the neural basis for consciousness the mind body problem mind body problem: the difficulty in understanding how the mind and body influence each other, so that physcial events can cause mental events, and so that mental events can cause physical ones. the many brain areas needed for consciousness reticular activating system: a system that controls the overall arousal level of the forebrain and that also helps control the cycling of sleep and wakefullness.] neural correlates of consciousness neural correlates of consciousness: specific brain states that seem to correspond to the content of someone's conscious experience. readiness potential: recording of brain activity that almost a half second before participants reported any awareness of a decision to move. the global workspace hypothesis global workspace hypothesis: a hypothesis about the neural basis of consciousness. it proposes that specialized neurons, called workspace neurons, give rise to consciousness by allowing us to link stimuli or ideas in dynamic, coherent representations. varities of consciousness examples: sleep, anesthesia, hypnosis, religous practices can too sometimes, drugs, sleep circadian rhythm: sleep wake cycle. controlled by 20000 cells located in the hypothalmus. These cells are responsible for controlling rhythms in the body, including rhythm of arousal increases and decreases spanning a rough 24 hour period. sleep and wake cycles alpha rhythm: a pattern of regular pulses, between 8 and 12 per second, visible i nthe EEG of a person who is relaxed but awake and typically has their eyes closed. beta rhythm:the rhythmic pattern in the
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