Modulation of brain magnetic activity by different verbal learning strategies

Journal article


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Publication Details

Author list: Maestu F
Publisher: Elsevier
Publication year: 2003
Volume number: 20
Issue number: 2
Start page: 1110
End page: 1121
Number of pages: 12
ISSN: 1053-8119
Languages: English-Great Britain (EN-GB)


In this study we examined spatiotemporal profiles of brain activity in
the context of tasks designed to engage different verbal learning
strategies (serial order, phonological, and semantic). The profile of
activation associated with the serial-order strategy, which resulted in
poor recall performance, featured early activation of the inferior
frontal, sensorimotor, and insular region in the left hemisphere,
between 200 and 400 ms after stimulus onset. Subsequently, activation
was more prominent in dorsolateral prefrontal cortices bilaterally. In
contrast, activation profiles associated with the phonological strategy
featured predominantly activation of the superior temporal gyrus in the
left hemisphere between 500 and 600 ms. Predominant activation of the
left middle temporal gyrus, between 500 and 700 ms, was the key feature
of the activation profile observed when the semantic elaboration
strategy was utilized. These results suggest that different brain
circuits are engaged to support learning of new verbal information as a
function of the level and type of initial processing applied to the


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Last updated on 2019-13-08 at 00:45