The application of rules in morphology, syntax and number processing: a case of selective deficit of procedural or executive mechanisms?

Publication Type:

Journal Article


Neurocase, Volume 16, Issue 4, p.358-76 (2010)


Aged, Aphasia, Cognition, Humans, Language, Linguistics, Male, Mathematics, Memory, Neuropsychological Tests, Semantics


<p>Declarative memory is a long-term store for facts, concepts and words. Procedural memory subserves the learning and control of sensorimotor and cognitive skills, including the mental grammar. In this study, we report a single-case study of a mild aphasic patient who showed procedural deficits in the presence of preserved declarative memory abilities. We administered several experiments to explore rule application in morphology, syntax and number processing. Results partly support the differentiation between declarative and procedural memory. Moreover, the patient's performance varied according to the domain in which rules were to be applied, which underlines the need for more fine-grained distinctions in cognition between procedural rules.</p>

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