On our CodyCross answers based website we have the solution for Oldest part of the brain, the basal ganglia. CodyCross game includes different missions and events which update daily so you can earn tokens that are mostly needed to help with answers for challenging clues. Now let's focus on the answer you need for Oldest part of the brain, the basal ganglia by scrolling down which is part of CodyCross Psychotherapy Group Puzzle 9.