>>11236652Prescription drugs such as ritalin and adderall are proven to enhance memory and concentration, particularly in people who have suffered brain damage and have mild cognitive impairment. They also have benefits for people with healthy brains but not as profound.
As someone who had a life-changing brain injury I have done thousands of hours research on these drugs and am still searching for the holy grail, although I have found some which make my life bearable for the meantime.