Brain scan studies support the separate long term memory stores - Tulving (1994) had participants perform various memory tasks while their brains were scanned with a PET scanner. Episodic and semantic memories were located in the prefrontal cortex; semantic on the left and episodic on the right. This shows physical reality in the brain to different types of long term memory - High validity
Real-life application - Certain kinds of memories can be targeted to improve people's lives. Belleville (2006) found that episodic memories can be improved in older people with mild cognitive impairments. It was found that training led to improvements. Distinguishing between the different types of long term memory allows specific treatments to be developed - High external validity
EPISODIC MEMORY
Supporting case study - Clinical studies such as HM and Clive Wearing showed both had difficulty recalling events that had happened to them in their pasts, but their semantic memories were intact. This supports the view that there are different memory stores in the long term memory because one store can be damaged but the others left unaffected
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