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Hairston, I. ., Peyron, C. ., Denning, D. ., Ruby, N. ., Flores, J. ., Sapolsky, R. ., … O’Hara, B. . (2004). Sleep deprivation effects on growth factor expression in neonatal rats: a potential role for BDNF in the mediation of delta power. Journal of Neurophysiology, 91(4), 1586-95. https://doi.org/10.1152/jn.00894.2003

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Flores, A. ., Flores, J. ., Deshpande, H. ., Picazo, J. ., Xie, X. ., Franken, P. ., … O’Hara, B. . (2007). Pattern recognition of sleep in rodents using piezoelectric signals generated by gross body movements. IEEE Transactions on Bio-Medical Engineering, 54(2), 225-33. https://doi.org/10.1109/TBME.2006.886938