| Context |
Shallice (1987) discussed this issue and proposed a number of criteria which, he argued, can be used to distinguish deficits of storage from deficits of access. One criterion mentioned is consistency. Shallice argued that loss of a representation should result in the consistent inability to identify a given item across test sessions, whereas an access difficulty should result in inconsistent performance across repeated testing. We argue that this issue, like all others raised in this chapter, cannot be decided without making reference to a specific theory of lexical processing at the level of interest; in this case, a description of the structure of representations and access mechanisms will be required.
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