> “Not fuzzy-headed,” he says, “but crisp. A crisp softness to it.” Soon he was experiencing a level of concentration he’d never imagined. “My senses sort of shifted to the visual, and my auditory sense went down. Sounds didn’t even register. It was like walking around on a winter day when it just snowed. It was very easy to stay visually focused.” Placebo effect? I understand that drugs have slightly different effec…
1. The effect is extremely noticeable, as noticeable as a headache is (whatever the opposite of a headache would be).
2. I did read a study which found evidence that a particular genotype affects whether someone finds modafinil effective. I happen to have that genotype correlated with modafinil effectiveness.