If the cartoon were completely accurate, though, life would be a cacophany of spoinks.

A successful learner, . . . must be constrained to draw some conclusions from the input and not others.

In the 1970s, many intellectuals had become political radicals. Marxism was correct, liberalism was for wimps, and Marx had pronounced that 'the ruling ideas of each age have ever been the ideas of its ruling class.'

I spent 20 years doing research on regular and irregular verbs, not because I'm an obsessive language lover but because it seemed to me that they tapped into a fundamental distinction in language processing, indeed in cognitive processing, between memory lookup and rule-driven computation.

Evolution is an indispensable component of any satisfying explanation of our psychology.

Cognitive psychology has shown that the mind best understands facts when they are woven into a conceptual fabric, such as a narrative, mental map, or intuitive theory. Disconnected facts in the mind are like unlinked pages on the Web: They might as well not exist.

All of the violence that doesn't occur doesn't get reported on the news.