Some of Small's most recent animal studies show that rising glucose levels in turn disrupt the function of the dentate gyrus.
And not just anywhere in the hippocampus but in the dentate gyrus, the very node that Small has identified as the site of impairment in normal memory loss.
Four short links: 26 June 2013 Memory Allocation in Brains (PDF) — The results reviewed here suggest that there are competitive mechanisms that affect memory allocation. For example, new dentate gyrus neurons, amygdala cells with higher excitability, and synapses near previously potentiated synapses seem to have …
June 26, 2013 - O'Reilly Media
Susumu Tonegawa in Medical News Today (press release) In this study, we have revealed that learning in the dentate gyrus is crucial in rapidly recognizing and amplifying the small differences that make each place unique,Tonegawa said.