New brain imaging methods are helping us better understand how children learn, writes neuroscientist John Gabrieli. But "education neuroscience" has become the source of both promise and debate.

Neuropsychology professor Steven Petersen describes what scientists are finding out about brain development, synaptic growth and wiring, intentional and incidental learning, the role of emotion in learning, and declarative and implicit memory systems. Neuroscience has only the broadest outline of principles to offer today's educators. (MLH)

Sylwester says education must begin relying more on biology than social and behavioral science. All brain systems move from a slow, awkward functional level to a fast, efficient level. Contributions of metacognition, self-regulation, emotions, reflective and reflexive responses, comparison, and classification to cognitive development are…