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Thursday, 4 October 2012

Encoding in STM and LTM

Information enters our brain via our sense organs:


Encoding refers to how information is changed so that it can be stored in memory. The conclusions from today's lesson and class experiments are as follows:

- information in STM is stored acoustically (as sounds)
- some visual (picture) codes are also used in STM
- information in LTM tends to be encoded semantically (in terms of meaning)

We discussed two key studies in this area. Baddeley (1966) gave participants lists of words and tested the effects of acoustic and semantic similarity on recall. Brandimote (1992) demonstrated that visual coding does take place in STM as well as acoustic. The two powerpoints containing all the stimuli used are here (Baddeley) and here (Brandimote).

Today's homework is to complete the following essay:

'Give a brief account of the differences between STM and LTM and discuss the extent to which research supports this distinction' (12 marks). 

A suggested essay plan is here. This should be handed in by Thursday 18th October. 


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