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PS366 (37)
Chapter 3

Chapter 3

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Bruce Mc Kay

Chapter 3 Psychological Mechanismslinguistic investigations focus on the kinds of knowledge that underlie language useless attention towards how language is utilizedThe Information Processing SystemWilliam james determined primary WM and secondary LTMWorking Memorythe temporary storage of info being processed for cognitive tasksmost simple measurement is memory span test have to remember certain numbers and words recall in exact same order memory span is the number of items they can reliably recall in correct orderBaddeleyhitch Model proposed model of working memory with central executive visuospatial sketchpad and phonological loopphono loop consists of phono store and articulatory rehearsal system store holds phonological representations for brief period art rehersal system allows us to rehearse materials to prolong stay can represent both audio and visual itemsvisuospatial sketchpad temp maintains visuspatial info allows us to form images rotate convert words to imagescentral executive is comprised of general processing how many things we can doa t once will depend on the resources the tasks require it determines what activities the slave system should be doing and can assign them taskstests of the model for articulary loop assumes that when people make errors in WM tasks the errors are in the direction of similar sounds when someone is made to remember certain letters while speaking sounds this causes articulary surppression in which the letters will not be remembvered also number of words remembered in memory span depend on how long they are wordlength effect pronounciation time is critical which means Wm relies on speech mode of representation phonological loop can explain memory deficits in WM tests of model for central executive tasks that require divided attention will be easier for those with larger WM span Kane and Engle said WM capacity predicted performance on the stroop task colours written in different colour ability to inhibit responses is easier with larger memory span tasks and perform better with antisaccade tasksspot direction without distractionstorage and processing functions compete for limited resourcesLongTerm Memory
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