Working memory serves more than one function. Discuss.

Baddeley and Hitch 1974 (Citied in Baddeley 1993) proposed that the concept of short-term memory should be replaced with that of working memory to account for their findings from amnesic patients who performed poorly on digit span tasks . These patients could not hold items in their short-term store but seemed to show signs of long-term learning which contradicted earlier models of memory including that of Atkinson and Shiffrins 1968 multi-store model (Cited in Baddeley 1990). Working memory is believed to act as a temporary storage system which holds in coming information from the senses and most recently stimulated information from the long term memory, it then…(short extract)