walking past the trash, like hundreds of other acts of seemingly selfish disregard for others, stems not from selfishness or another character defect but from a neurological condition that renders attention inconsistent and immediate memory so porous that a task can be forgotten in a heartbeat. What compounds these problems, and makes some people doubt the validity of the diagnosis, is that these same people can hyperfocus, deliver a brilliant presentation on time, and be super-reliable when they are stimulated.
