Abstract:
:Memory abilities differ greatly across individuals. To explore a source of these differences, we characterized the varied strategies people adopt during unconstrained encoding. Participants intentionally encoded object pairs during functional MRI. Principal components analysis applied to a strategy questionnaire revealed that participants variably used four main strategies to aid learning. Individuals' use of verbal elaboration and visual inspection strategies independently correlated with their memory performance. Verbal elaboration correlated with activity in a network of regions that included prefrontal regions associated with controlled verbal processing, while visual inspection correlated with activity in a network of regions that included an extrastriate region associated with object processing. Activity in regions associated with use of these strategies was also correlated with memory performance. This study reveals functional-anatomic correlates of verbal and perceptual strategies that are variably used by individuals during encoding. These strategies engage distinct brain regions and may separately influence memory performance.
journal_name
Neuronjournal_title
Neuronauthors
Kirchhoff BA,Buckner RLdoi
10.1016/j.neuron.2006.06.006subject
Has Abstractpub_date
2006-07-20 00:00:00pages
263-74issue
2eissn
0896-6273issn
1097-4199pii
S0896-6273(06)00459-4journal_volume
51pub_type
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