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1
Neural Activation Patterns of Successful Episodic Encoding: Reorganization During Childhood, Maintenance in Old Age
Abstract: The two-component framework of episodic memory (EM) development posits that the contributions of medial temporal lobe (MTL) and prefrontal cortex (PFC) to successful encoding differ across the lifespan. To test the framework’s hypotheses, we compared subsequent memory effects (SME) of 10-12 year-old children, younger adults, and older adults using functional magnetic resonance imaging (fMRI). Memory was probed by cued recall, and SME were defined as regional activation differences during encoding between subsequently correctly recalled versus omitted items. In MTL areas, children’s SME did not differ in magnitude from those of younger and older adults. In contrast, children’s SME in PFC were weaker than the corresponding SME in younger and older adults, in line with the hypothesis that PFC contributes less to successful encoding in childhood. Differences in SME between younger and older adults were negligible. The present results suggest that, among individuals with high memory functioning, the neural circuitry contributing to successful episodic encoding is reorganized from middle childhood to adulthood. Successful episodic encoding in later adulthood, however, is characterized by the ability to maintain the activation patterns that emerged in young adulthood.
Keyword: Aging; Development; Episodic Memory; fMRI; Lifespan; subsequent memory
URL: http://hdl.handle.net/1893/23636
https://doi.org/10.1016/j.dcn.2016.06.003
http://dspace.stir.ac.uk/bitstream/1893/23636/1/1-s2.0-S1878929315301110-main.pdf
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2
Differences in the neural signature of remembering schema-congruent and schema-incongruent events
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3
Differences in binding and monitoring mechanisms contribute to lifespan age differences in false memory
Fandakova, Yana; Shing, Yee Lee; Lindenberger, Ulman. - : American Psychological Association, 2013
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4
The Development of Episodic Memory: Lifespan Lessons
Shing, Yee Lee; Lindenberger, Ulman. - : Wiley-Blackwell, 2011
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5
Adult age differences in memory for name-face associations: The effects of intentional and incidental learning
Naveh-Benjamin, Moshe; Shing, Yee Lee; Kilb, Angela. - : Taylor and Francis, 2009
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