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Current Research:
I am a co-investigator on a longitudinal, multimodal neuroimaging project that examines changes in brain metabolism and activity following non-invasive brain stimulation (in collaboration with Dr. Alexandru Iordan from Michigan Medicine).
I am specifically examining the direct and mediating effects of stimulation on both brain activation and functional connectivity in healthy older adults (HOA) and individuals with amnestic mild cognitive impairment (aMCI). This line of research seeks to deepen our understanding of the mechanisms of transcranial direct current stimulation to support and advance its development as an intervention.
Computational model of neuromodulation on the left inferior frontal gyrus
Previous Lines of Research:
The effect of strategies on working memory performance
I lead a series of experiments that were focused on examining young adult's ability to prioritize to-be-remembered information based on the value of an item (high, medium, or low) and whether the amount of information people have to remember affects this ability. Through this line of research I found evidence for strategic selective prioritization such that participants could recall a higher proportion of high-value versus low-value items.
The effect of cognitive training on working memory performance
Iordan et al. (2020) found significant evidence that working memory training improves behavioral performance & shifts demand-activation curve in HOA, aligning with the CRUNCH model (Reuter - Lorenz & Cappell, 2008). In a follow-up study, I served as a co-investigator examining the effect of cognitive training on working memory performance on individuals with aMCI. We found weak but promising results that suggest limited working memory improvement post-training.
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