@article{eagleman2012image,
abstract = {In the absence of sensory input, neuronal networks are far from being silent. Whether spontaneous changes in ongoing activity reflect previous sensory experience or stochastic fluctuations in brain activity is not well understood. Here we describe reactivation of stimulus-evoked activity in awake visual cortical networks. We found that continuous exposure to randomly flashed image sequences induces reactivation in macaque V4 cortical networks in the absence of visual stimulation. This reactivation of previously evoked activity is stimulus-specific, occurs only in the same temporal order as the original response, and strengthens with increased stimulus exposures. Importantly, cells exhibiting significant reactivation carry more information about the stimulus than cells that do not reactivate. These results demonstrate a surprising degree of experience-dependent plasticity in visual cortical networks as a result of repeated exposure to unattended information. We suggest that awake reactivation in visual cortex may underlie perceptual learning by passive stimulus exposure.},
author = {Eagleman, S. L. and Dragoi, V.},
doi = {10.1073/pnas.1212059109},
isbn = {0027-8424 1091-6490},
issn = {0027-8424},
journal = {Proceedings of the National Academy of Sciences},
keywords = {Subgroup2},
mendeley-tags = {Subgroup2},
number = {47},
pages = {19450--19455},
pmid = {23129638},
title = {{Image sequence reactivation in awake V4 networks}},
url = {http://www.pnas.org/cgi/doi/10.1073/pnas.1212059109},
volume = {109},
year = {2012}
}

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