Journal
DEVELOPMENTAL NEUROPSYCHOLOGY
Volume 26, Issue 3, Pages 661-678Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1207/s15326942dn2603_1
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Delayed response paradigms have been used to examine the neural basis of short and long-term memory in humans. However, limited information exists on how delayed response performance changes across the lifespan. Using a well-validated spatial delayed response (SDR) task, we examined performance at short and long delays in over 300 control participants, 7 to 80 years old. We found a significant nonlinear relation between age and short delay performance (children and older adults worse than young adults) and a significant effect of delay length across the entire lifespan (long worse than short; largest in the youngest children, diminishing nonlinearly with age). This study compares short and long-term spatial memory and suggests that the relation between these systems may alter across the lifespan.
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