Working memory and executive control

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Abstract
This chapter introduces the term ‘dysexecutive syndrome’ as a functional description of a pattern of behaviour that explicitly leaves open its anatomical underpinning. It also discusses the major findings of experimental studies suggesting that the capacity for combining the performance of two tasks may be an executive process of some generality, and potentially of practical as well as theoretical significance. It appears to have a degree of overlap with more traditional measures of frontal lobe function, but with evidence from Alderman's study that it may allow better prediction of certain types of behavioural breakdown. The final study is concerned with investigation of the relationship between dual task performance and frontal lobe function and is based on a sample of patients selected on the basis of known frontal lesions.

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