The most important piece of research about chemo brain is "Chemotherapy-Related Cognitive Impairment (CRCI): Neuroimaging, Neuropsychological Testing, and the Neuropsychologist" by Jamie S. Meyers. This is a report on many studies that show the different cognitive functions impaired by chemotherapy. “(CRCI) occurs in 17%- 75% of patients receiving chemotherapy for cancer,” (Wefel, Lenzi, Theriault, Davis, & Meyers, 2004).