Bonnefond and Jenson used MEG in humans to find coupling between alpha and gamma rhythms during an attention-demanding task. High alpha power was associated with weak gamma power at the trough of the alpha cycle. This may provide a mechanism for top-down control of attention.
About the Author
The Miller Lab uses experimental and theoretical approaches to study the neural basis of the high-level cognitive functions that underlie complex goal-directed behavior. ekmillerlab.mit.edu