Ramya Sundararajan

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We investigated the relation between the two systems of visuospatial attention and working memory by examining the effect of normal variation in cholinergic and noradrenergic genes on working memory performance under attentional manipulation. We previously reported that working memory for location was impaired following large location precues, indicating(More)
We hypothesized that normal variation in genes influencing the bioavailability of dopamine in prefrontal cortex contribute to inter-individual differences in working memory (WM), particularly in healthy old age. To test this, 858 healthy young, middle-aged, and older people were tested on a spatial WM task and genotyped for catechol-O-methyltransferase(More)
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