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PSY372 Lecture 1 (Jan 8, 2014).docx

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Christina Gojmerac

PSY372 Lecture 1 - Memory in film o Finding Nemo clip; fairly accurate portrayal of short term memory loss in the character Dory o Lots of misconceptions of amnesia in the media o Amnesia: difficulty learning and retaining new information o Bump on head causes amnesia and then somehow the same event later on causes the person to regain memory o "love" of someone makes them remember something - Memory misconceptions o Memory is not like a recorder  It’s a creative process, reconstructive  Fallible and prone to distortions and suggestions  Wording of questions can lead people to say something else (manipulation such as eyewitness testimony) o Photographic memories?  Strategies to improve memory  Beneficial for us to forget because otherwise we’re always overwhelmed with information  There are some people who practice and do things strategically to improve their memory  Normal is quite broad o Forgetting occurs gradually  Happens quickly and then a little bit more after that  Has implications on things such as o Confidence is a reliable indicator of memory accuracy  “it’s a feeling” so you think you know it  Confidence does not predict accuracy  If you repeatedly ask someone the same question, you can increase the person’s confidence in the answer but it doesn’t make the answer accurate  Liberal bias vs. conservative bias • Yes vs. no o Traumatic memories can be repressed and recovered years after they occur  People don’t forget • Studies on kids who gets abused  Hypnosis or claims to recovery doesn’t have third party evidences  True memory is corroborated with third party evidences  Emotional memory is better? It also impairs your memory o Hypnosis can be used to retrieve forgotten memory  Nope o Amnesics forget who they are  Sense of self remains intact  Can remember the past, but can’t remember new info - Patient H.M o Lesions to hippocampus can have big impacts to memory o Single case has contributed more than any other researchers - Who is H.M o Certain brain regions are more important for memory o Historical research up to that point, no area was specific for memory o Experiments on lesion rats that showed no difference in what region, so for a long time, even for humans with brain damage, there was obvious memory loss o People who work with H.M have great things to say about him  Despite decades of research, H.M couldn’t remember their name o Donated his brain to science, so immediately after his death, it was cut up into slices o VIDEO  Remember motor skills  Long term memory involves anatomical change in the brain  PKM Zeta? Binds neurons together to remember memory o Memory is not an unitary phenomenon - Case study o At a young age, he got knocked out and got a traumatic brain injury o At age 10, started to have petit mal seizures  Generalized seizure, don’t have motor movements, but you do h
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