 Participants will be recruited by their neuropsychologist in the VCU Massey Cancer Center following standard neuropsychological evaluation their neuro-oncologist may refer them to this study. If meeting inclusion criteria described in later sections on participants, participants will be recruited and enrolled in the study. Two groups will be formed: High grade gliomas WHO grade III or IV; n15 and Low grade gliomas WHO grade II; n15. Participants will be followed over 11 months. The two groups will follow identical study timelines. 