I recall a short story, back from the splatterpunk era, named "Mind/Matter." It starts off with a young man, brilliant in his own way, watching his mother die

I recall a short story, back from the splatterpunk era, named "Mind/Matter." It starts off with a young man, brilliant in his own way, watching his mother die of Alzheimer's at a tremendously young age. Fast forward to him as an adult, and he is already suffering from the effects, but he is stewarded by an expert system he programmed that guides him by pager prompts and such. He is able to manage a career as a screenwriter by recycling old scripts and a bank of pre-written scripts, with occasional periods of lucidity. He lucks onto an experimental treatment in another country designed for his sort of problem and experiences a "Flowers for Algernon" effect, only highly accelerated, having literally minutes of first clarity, then super-human intellect ...