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. 2010 Jun 15;74(24):1942–1945. doi: 10.1212/WNL.0b013e3181e396be

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Figure 2 Interaction between intellectual enrichment and brain atrophy on learning efficiency

The negative impact of brain atrophy on learning efficiency is greater among patients with lower intellectual enrichment (A) relative to patients with higher enrichment (B). Subjects with lower and higher brain atrophy are presented in solid and dashed lines.