Change in cognitive functioning over time by changing levels of PA in patients with breast cancer. (A) FACT-Cog PCI, (B) FACT-Cog total score, (C) RVP, and (D) DMS. Error bars represent 95% CIs, unadjusted data, higher scores = better function. DMS, Delayed Match-to-Sample; FACT-Cog, Functional Assessment of Cancer Therapy–Cognitive; PCI, Perceived Cognitive Impairment; RVP, Rapid Visual Processing; T1, prechemotherapy; T2, postchemotherapy; T3, 6 months postchemotherapy.