Intro Psy as a Natural Science
Intro Psy as a Natural Science PSYC 201
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This 5 page Class Notes was uploaded by Duane Runolfsson on Thursday October 29, 2015. The Class Notes belongs to PSYC 201 at College of William and Mary taught by M. Porter in Fall. Since its upload, it has received 11 views. For similar materials see /class/231179/psyc-201-college-of-william-and-mary in Psychlogy at College of William and Mary.
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Date Created: 10/29/15
Lethal potentiation taking depressants in combination is more deadly then taking a lot of one Synergistic effects Need to know how alcohol screws up the neuron Four ways Disrupts the lipal membrane Messes up GABA receptors Its effects will be increased messes with the proteins in the cellular membrane Alcohol not easy for the body to metabolise but is easy to distribute What is a subjective effect What the drunk person thinks is going on Objective effects physiological measures that we might be able to take Why was Timothy Leary not renewed He had the eXperimenter do the eXperiment along with the test subjects LSD Student threw himself out of window Parents and alumni upset Subjective effects pharmacO dynamics Alcohol is distributed rapidly kinetics Hard to metabolize alcohol kinetics Depressants are highly addictive Medicinal uses Anti anxiety Sleep aid Anti seizure Anesthesia Withdrawal effects are opposite of those for or anything that is the opposite of the depressant affect Classical Conditioning Tolerance is a physiological phenomenom where the body needs more of a drug to reach the desired affect Physicalphysiological tolerance body gets better at clearing the drug Behavioral tolerance classical conditioning learning paradime to cueenvironmentally the body to clear out the drug faster Compensatory effects are conditioned responsesphysiological reflexes made by the body in an attempt to maintain homeostasis When that body has eXperiencedis highly tolerant to drugs addicive drugs John Belushi died because he took drugs in a new environment He died because of behavioral tolerance He had a high tolerance to addictive drugs as long as he was in a familiar environment Because he was in an unfamiliar environment when he took high doses of the drug his body didn t go into the conditioned responses to help him handle the drugs His heart rate was at baseline and he threw a whole bunch of speedballs on it making his heart rate shoot up and his blood pressure shoot up He died of a heart attack because he had a highly powerful UR to the speedballs US Blue couchwhere he always takes drugs conditioned stimulus When he sees it he goes into Conditioned response mode to handle the drugs Anything can be a conditioned response Unconditioned responses are what can cause a physiological response You can never have a UR in response to a CS CSCR USUR High tolerancegreater withdrawal effects You can die from withdrawal symptoms alcohol Epogemics environmental heritable changes the things in the environment that will change the phenotypic eXpression of a genegenetic codes being eXpressed in the body Good or bad thing Example a Little kid who undergoes a lot of second hand smoke and this will change how certain genes in his body will be expressed Positive effect smart mouse Generalization organism has the CR to a stimulus that was never explicitly trained paired with the unconditioned stimulus EX Little albert would cry with the santa claus mask even though it was never associated with the soundCS Discrimmation when a CR is not elicited by a stimulus that is dissimilar from the ones that are originally trained Extinction phenomenon whereby we break apart the association between the CS and US EX Afraid of balloons because of a bad experience with balloons Sight of balloon is paired with loud startling noise I would really like to extinguish this in you so I keep showing you the balloon to elllicit the CR Gradually the body learns that the balloon keeps showing up but the Little Albert bridge between the two conditioning Watson and Wainer reasoned that you could condition fear responses in children That was really important because at the time people thought that fear came from the unconsciouspsychodynamic They also thought it was inherited Little Albert shows you can classically condition a fear response Watson noted that Albert would make some choice responses to ee from the white rat after he had been classically conditioned to fear it He is getting negative reinforcement Watson was contrary to everyone Punishment works to decrease behaviors Positive reinforcement always works better It is better to increase a positive behavior than to stop a negative behavior because of the intensity that is required to stop behavior Positive reinforcement follow up with something appetitive Negative reinforcement maintaining a behavior when it gets rid of something bad Reinforcement means behavior is increased or maintained Punishment is weakening attenuating or getting rid of a behavior Schedule of reinforcement how many time a behavior must be produced Continuous Intermittent you have to do a certain number of responses in order to get that reinforcer or punishment EX Casino wants you to keep playing on the slot machine so they aren t going to pay you every time Antecedents cue in operant conditioning that prompts a certain response Behaviors Consequences positive reinforcer negative punishment ABCSkinner Operant extinction breaking apart the association between a behavior and a consequence EX If every time you pay for a coke you get a coke positive reinforcement It will extinguish right away if you put the dollar in and it is put back in your hand You will break apart the association between the behavior and the consequence Door shut lights on in a office Antecedent lights on Behavior knock Consequence receive persons attention Any behavior can be described in multiple ways Study hard get an a positive reinforcement Study hard to avoid an F negative reinforcement 6 different cases of dementia Delirium short rapid onset Amnesia Dementia general causes Vascular dementia caused by a stroke Deliria withdrawal General ideas DSM4 diagnostic statistical manual 4th version gives syptoms for many kinds of disorders Neuro pathological hallmark what you have to have in order to have Alzheimer s disease lSt case deterioration of frontal temporal lobes in younger patients They weren t able to do things correctly in social contexts Decline in executive function Continuous Dementia Shunting stick a hole in your head to relieve pressure Short termdelirium Stroke second leading cause of dementia Alzheimer s first leading cause of dementia Diagnosis of exclusion we have to make sure that there is nothing else we can find before we call it Alzheimer s Parkinsons causes shuffling Shuntingnormal pressure hypo something MMSE diagnoses Alzheimer s Memory 1 Verbal rehearsal remembering the last word that begins with a G You keep repeating that word to yourself Keeping something in short term memory Memory 2 Levels of processingleXical decision task BrownPeterson serial positioning curve Atkinson shiffron model know it Capacity duration coding Spurlings demonstration 12 letter grid Proactive interference old things will disrupt new information Retroactive interference recency effect new information disrupts old information gt explams why we can t remember the middle Memory a lot How to put together a bike emplicit procedural memory That I know how to build a bike eXplicit memory Clive global Severe antrograde and retrograde HM severe antrograde mild retrograde gt explicit memory deficits but fairly intact implicit Eposodic concrete facts about the world that you keep updated Semantic concrete facts that don t get updatedwhat is a chair
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