Reference : What does a patient with semantic dementia remember in verbal short-term memory? Orde...
Scientific journals : Article
Social & behavioral sciences, psychology : Theoretical & cognitive psychology
Social & behavioral sciences, psychology : Neurosciences & behavior
What does a patient with semantic dementia remember in verbal short-term memory? Order and sound but not words
Majerus, Steve mailto [Université de Liège - ULiège > Département des sciences cognitives > Psychopathologie cognitive >]
Norris, D. [> > > >]
Patterson, K. [> > > >]
Cognitive Neuropsychology
Psychology Press
Yes (verified by ORBi)
[en] In this study, we explored capacities for three different aspects of short-term verbal memory in patients with semantic dementia. As expected, the two patients had poor recall for lexico-semantic item information, as assessed by immediate serial recall of word lists. In contrast, their short-term memory for phonological information was preserved, as evidenced by normal performance for immediate serial recall of nonword lists, with normal or increased nonword phonotactic-frequency effects, and increased sensitivity to phonological lures in a delayed probe recognition task. Furthermore, the patients appeared to have excellent memory for the serial order of the words in a list. These data provide further support for the proposal that language knowledge is a major determining factor of verbal STM capacity, but they also highlight the necessary distinction of processes involved in item and order recall, as proposed by recent models of STM.

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