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Note for PSYC 1300 at UH


Note for PSYC 1300 at UH

Marketplace > University of Houston > Note for PSYC 1300 at UH

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This 15 page Class Notes was uploaded by an elite notetaker on Friday February 6, 2015. The Class Notes belongs to a course at University of Houston taught by a professor in Fall. Since its upload, it has received 22 views.

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Date Created: 02/06/15
Consciousness and Information Processing I Consciousness our awareness of ourselves and our environment as we walk around we noticeare aware of things Phenomenology study of individual consciousness that addresses subjective experience Problem of other minds bc the nature of consciousness is internal a person can t possibly determine how similar or different another person s perceptions are to his own Levels of consciousness Altered states of consciousness state characterized by bizarre disorganized or dreamlike thought patterns Minimal consciousness fragmented connection between self and environment in which a person might respond to a stimulus wo being aware if it at a more thoughtful level Full consciousness aware of his own environment and can report it Self consciousness most selfaware state allows a person to focus on his individual self Consciousness and Information Processing l Nonconscious preconscious and unconscious information 0 Nonconscious activities activities carried out wo knowledge 0 Preconscious at one time we can recall it but currently pushed aside faling on ice when little Doesn t recall it everyday 0 Unconscious information freudian ideas thoughts and repressed emotions about negative things pushed aside Cognitive unconscious our unconsciousness influences how we act ex We think we re not prejudiced but test and find underlying prejudice Child bitten by a dog Later in life fears dog but doesn t know why Survival function of consciousness The restrictive function cocktail party focus on one thing only To keep you focused on what s important at the time 0 The planning function helps hold back on urges to act appropriately Be efficient Evaluate social mores etc ex Don t know a test Q but this prevents you from crying Sleep Sleep the natural loss of consciousness 0 Circadian rhythm biological clock that regulates sleep schedule body temp state of arousal l Suprachiasmatic nucleus region in hypothalamus Stimulates pineal gland which secretes Melatonin hormone that helps you go to sleep Adenosine helps you sleep Both lack won t prevent sleep Just makes it harder Sleep Sleep stages sleep progresses in stages and cycles I Stage one and two 0 Beta waves awake Alpha waves awake Theta waves Hypnagogia film between awake and sleep Transitory period Jerk when you re about to sleep 9 awake Muscles contract all day At night they relax wo your awareness When you re aware you jerk K complexes and sleep spindles bursts of activity during sleep Seen in stage 2 eventually evolve to become theta waves Sleep I Sleep stages 0 Stage three and stage four as cycles progress we need less of these stages I Delta waves long big waves sleep I Rapid eye movement REM sleep right under surface of consciousness where we have wacky dreams I Stimuli awareness and learning Hypnopaedia idea that we can learn in our sleep Behaviorly yes by delivering shocks but not cognitively 0 Purpose of sleep need 8 on average 0 Sleep needs and patterns we can adapt to 4 hrs but it ll hurt us in the long run I Nonsomniacs can get by on 4 hrs don t require No effects Awake Stage 1 Stage 2 The Sleep Cycle Lew vallaga High Irequency Stage 1 Low uoltage Mixed frequency stage 2 sleep spindles a K camplexes 339 Sleep Cycle Stage 3 Mostly slow weyes Low voltage mixed Frequency Stage rapid eye 4 movement ei Slow waves muscle atonia Time of Sleep Sleep Theories Preservation and protection Body restoration Memory Growth Sleep is an evolutionary adaptation that keeps us out of harm39s way when darkness sets in The body wears out during the day and sleep is necessary for recuperation Sleep restores and rebuilds memories of the previous day s experiences The pituitary gland releases growth hormone during deep sleep so sleep plays an important role in the growth process Different species sleep at different times of the day In most mammalian species infants sleep more than adults Brain tissue is repaired during sleep People who are trained to perform tasks do so better after a night39s sleep than after several hours awake People are able to more creatively solve a problem after sleeping on it than those who stay awake Less of this hormone is released as adults grow older and less time is spent in deep sleep Sleep 0 Sleep deprivation Dangers of sleep deprivation aging car accidents etc 0 Sleep disorders Insomnia Narcolepsy sleep attacks 0 Hypocretin treatment I Sleep apnea periods of interrupted breathing during sleep 9 restless sleep I Night terrors occur when you re younger generally Keep screaming in sleep different from nightmares Sleep Deprivation and Accidents Canadian Traffic Accidents 1991 and 1992 Less sleep more accidents More slee fewer accid Spring time change Fall time change hour sleep lost hour sleep lost I Monday before time change I Monday after time change Source Adapted from Caren 1996 Dreams Dreams sequences of images feelings ideas and impressions that pass through our minds as we sleep I Dream content 0 Manifest content content that we can recall later bc it s related to something that happened Lucid content dreams that we re aware that we re having Dreams The purpose of dreams 0 Freud and the interpretation of dreams I Latent content dreams have meaning NONSENSE 0 Information processing attempt by brain to assemble previous day s events gt put to memory 0 Activation synthesis theory side effect of visual and motor area neurons firing during REM sleep Dreams are the result of brain s attempt to make sense of the random neural activity that occurs while a person sleeps 0 Development make neural pathways we might need in the future Hypnosis Hypnosis an exercise in suggestion Susceptibility 0 Hypnotic ability RecaH Therapy 0 Posthypnotic suggestion Pain relief 0 Hypnotic analgesia 0 Dissociation Meditation Meditation an alert state of consciousness that aims to enhance selfknowledge and wellbeing through an extreme sense of calm and relaxation Chapter 6 S S e n S U Im C S n O C


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