> Because it stood out as weird to me, I want to remark that the study's participation requirements explicitly filtered out depressed patients, day-to-day impai

> Because it stood out as weird to me, I want to remark that the study's participation requirements explicitly filtered out depressed patients, day-to-day impaired patients, and anyone left-handed (???). Maybe they had an abandoned or separately condsidered for publishing test where they had people manipulate _something_, and it mattered which side it was on? Does seem weird though.