Shalice and Warrington

To investigate the relationship between long term memory and short term memory, when the STM is impaired, Especially on memory trace formation and memory retrieval
K.F was a young man who is 28 years old that was in a motorcycle accidence when he was 17. Sustained a left parieto-occipital fracture in that accident and was unconscious for 10 weeks 2 years later he started epilepsy and in 1965 was investigated
He was totally unable to repeat letters and numbers, shows defect in his STM, his LTM remains intact KF was asked to repeat numbers,letters, letters and word strings aloud
Auditory performance on the task is related to numbers of items in each string -KF was only able to repeat one item reliably and proportion of items decreases as the string length increases -Memory of visual presented material was better than auditory presented material
FAIL !
Identification of auditory and visual memory suggests 2 separate stories in MSM- It does support Atkinson and Shiffrins contention that there are seperate memory stores for STM and LTM
-KF intact LTM and impaired STM contradicts the MSM theory that material in LTM has first been processed in the STM - Difference between auditory and visual memory capacity suggests 2 separate stores KF's STM was severely damaged in that its capacity is greatly reduced

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