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by: Spencer Smitham


Spencer Smitham
GPA 3.97


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Class Notes
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This 3 page Class Notes was uploaded by Spencer Smitham on Saturday September 12, 2015. The Class Notes belongs to PSYC 1101 at University of Georgia taught by Cyterski in Fall. Since its upload, it has received 16 views. For similar materials see /class/202439/psyc-1101-university-of-georgia in Psychlogy at University of Georgia.




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Date Created: 09/12/15
Chapter 4 the mind and the Consciousness Two main points of this chapter People can be conscious of their surroundings even when they do not appear to be even deeply asleep we do not roll of the bed bc we are slightly aware of our surroundings Conscious experiences are associated with brain activity and understanding this brain activity might help us better understand concisions How is the conscious Mind experienced How does neural activity give rise to the subjective experience of the world Consciousness the subjective experience of the world and mental activity Study two components contents things we are conscious of and the level of conscious coma sleep wake Duaism Mind physically distinct from the brain People now reject dualism brain and mind are the same Activity of the neurons produces consciousness Conscious experience differs because of natural variation natural manipulation and artificial manipulation Conscious Experience is subjective Each person experiences conscious differently or subjectively There are variations ln Conscious Experience Wiliam James conscious experience is a continuous stream of thoughts that float from one thought to another You can only pay attention or be aware of a few things multitasking You can execute routine or automatic tasks that are so well learned that we do them without much conscious effort More complex situations require more thinking driving in the rain Accounting Consciousness and Coma a person in a coma has regular sleep patterns opens and closes eyes but does not seem to be aware of surroundings When it lasts longer than a month then known as a vegetative state minimaly conscious state where people can make deliberate movements Splitting the brain splits the conscious mind Corpus Callosum the major connection between the hemispheres that may readily be cut without damaging the gray matter Massive fiber bundle When this is severed the brain s halves are isolated from each other called split brain If you split the brain do you split the mind People have not immediate major problems after split brainnormal Just as the brain had split in two so had the mind Allowed researchers to study each hemisphere one by one mages from the left side go to the right hemisphere images from the right go to the left hemisphere Left hemisphere is better with language while the right is better with spatial relationships For example Split brain patient if two pictures are flashed one on the left another on the right patient will only report the one on the right since the left hemisphere deals with speech Each side of the brain then has it s own thought perceptions etc What sS eep 1 5 pussmxe m wurk un mmme pmmemswme ageep Bram s 5th actwe dunng s eep cunscmus Expenence uf thewqu Dumas stumed uff bed m ruHuver mm mm s eepmg wwth yuu 5 22 5 an snared slate uf Cunscmusness 3 mm m a mm m um n m sag 7 mm umm 5 u Stages uf S eep fzmzsuczx shapesznd wages czHed kcump exes when awakened Mmd cuntmuestu scanthe emunmemurdznger REM Rapid Eye Movement after about 90 minutes Sleep cycle reverses returns to stage 3 then stage 2 Sleeping body with an active brain Most of the body s muscles are paralyzed A lot of dreaming occurs here Genital arousal Sleep Disorders lnsomnia a disorder characterized by an inability to sleep Chronic lnsomnia is characterized by depression or diminished psychological wellbeing More common in women and more common in older adults Pseudo insomnia where people show patterns of sleeping but when awakened claim not to have been sleep they were dreaming they were awake Treatment for insomnia is cognitive behavioral theory helps patients overcome their worries about sleep Factors for insomnia include worrying about sleeping and poor sleeping habits Sleep Apnea a disorder in which a person stops breathing while asleep Results in a loss of oxygen and sleep disruption Narcolepsy sleep disorder in which people fall asleep during normal waking hours REM Behavioral Disorder normal paralysis during REM is disabled People often act out their dreams including hitting their sleep partners Elderly males Sleep walking somnambulism occurs during stage four sleep First hour or two after falling asleep Sleep is an Adaptive behavior Restoration and Sleep deprivation restorative theory sleep allows the brain and body to rest and to repair themselves Growth hormone is released to repair damaged tissue Replenish glycogen stores and strengthen the immune system 2 or three days of little sleep has little effect on physical and cognitive performance Sleep deprivation over long periods causes mood problems and decreases cognitive performance May have people do microsleeps Circadian Rhythms brain and other psychological processes are regulated into patterns known as these They are controlled by the cycle of day and night Sleep has evolved to keep animals quiet and inactive during the times of the day when there is greatest danger Usually when dark Animals need only a limited amt of time each day to complete the necessities of survival Small animals tend to sleep a lot large animals vulnerable to attack sleep little Facilitation of learning sleep is involved in the strengthening of neural connections that serve as the basis of learning Circuits wired during the waking period are strengthened while asleep Sleep and Wakefulness are Regulated by multiple neural mechanisms Pineal gland secrets melatonin travels through the bloodstream and affects various receptors in both the body and the brain Bright light suppresses the production while darkness triggers its release SLEEPLESS gene that regulates a protein that reduces action potentials in the brain Loss of protein leads to 80 percent reduction in sleep VV


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