Memory PLA - Psychology 202 Henriques PLA Study Session On...

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Psychology 202 – Henriques PLA Study Session On Lectures 10 and 11 Learning (Part 2) and Memory (Part 1) ****Please remember peers when filling out the outline before session to put ideas in your own words to help you understand the material Memory: the retention of information over time; the ability to store and retrieve information over time o The curious case of HM: lost ability to retain information; hit head at age 11 during accident- epilepsy o Doctors removed portions of temporal lobe and hippocampus o Couldn’t form new memories so hippocampus plays an important role o Serious retrograde memory loss o Also had anterograde amnesia o Could learn new tasks without remembering he learned them – broken line test o Hippocampus plays role in implicit memory The nature of memory : o Sensory memory o Working memory or short-term memory o Long-term memory o Information-processing model (Atkinson & Shiffrin):
o Memory begins as sensory o Goes to short-term memory o Then long-term memory Sensory memory: touch, vision, hearing (few seconds) Short term memory (STM) : less than 20 seconds and 7+ or – 2 pieces of information Rehearsal can help keep information in short-term memory longer Long term memory : infinite amount of memory storage Draw the Basic Memory Process: Time frames of memory: o Sensory memory : 2-3 seconds Iconic memory : visual memory lasts less than a second George Sperling with rows of letters and flashing for a second and seeing if people can repeat any of the letters Echoic memory: auditory lasts 2-3 seconds; helps with being able to respond to people and such
o Short-Term Memory (Working memory): can hold for 20 seconds Memory span: the number of digits an individual can report after a single presentation (7 + or – 2) o Chunking : grouping of information into higher-order units (telephone #’s) 101001000100001000100 10, 100, 1000, 10,000, 1000, 100 Maintenance rehearsal : the conscious repetition of information that increases the time it stays in working memory o Long-Term Memory : time frame is relatively permanent and has an unlimited amount of information storage. The challenge

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