The Myths of ADHD

It's more than attention gone awry. PT bloggers explain why the rise in diagnosis is not exactly what it seems, who really suffers, and other misconceptions.


Quite simply, cognition refers to thinking. There are the obvious applications of conscious reasoning—doing taxes, playing chess, deconstructing Macbeth—but thought takes many subtler forms, such as interpreting sensory input, guiding physical actions, and empathizing with others. The old metaphor for human cognition was the computer—a logical information-processing machine.