Proof of principle: Preoperative cognitive reserve and brain integrity predicts intra-individual variability in processed EEG (Bispectral Index Monitor) during general anesthesia. oleh Carlos Hernaiz Alonso, Jared J Tanner, Margaret E Wiggins, Preeti Sinha, Hari K Parvataneni, Mingzhou Ding, Christoph N Seubert, Mark J Rice, Cynthia W Garvan, Catherine C Price