Flores para Algernon

Charlie Gordon is a 37 year old mentally disabled man with an IQ of 68. He was elected to try a treatment that could triple its intelligence through an operation. Their progress is tested on a mouse, Algernon, which the protagonist befriends. Charlie tells us, through his progress reports, not only their progress but also their feelings and their own upward trend until he becomes a genius... then the same effects of treatment caused Charlie to lose everything earned, leaving him as bad as before, or even worse.