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Trends Neurosci. 2010 Jun;33(6):277-84. doi: 10.1016/j.tins.2010.02.006. Epub 2010 Mar 11.

Rest-stimulus interaction in the brain: a review.

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Institute of Mental Health Research, University of Ottawa, Ottawa, ON K1Z 7K4, Canada.


Studies in animals and humans have demonstrated intrinsic activity in the brain during the resting state. The concept of the default-mode network (DMN) - a set of brain regions in which resting-state activity (RSA) activity is reduced in response to external stimuli - recently raised much controversy concerning the psychological correlates of RSA. However, it remains unclear how RSA interacts with stimulus-induced activity. Here we review studies in humans and animals that address how RSA interacts with stimulus-induced activity; we also discuss, conversely, how stimulus-induced activity can modulate RSA. Psychologically, the rest-stimulus interaction is relevant to predicting subsequent behavioral and mental states. We conclude that a better understanding of the rest-stimulus interaction is likely to be crucial to the elucidation of the brain's contribution to mental states.

[Indexed for MEDLINE]

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