1. Modulation of frontal EEG alpha oscillations during maintenance and emergence phases of general anaesthesia to improve early neurocognitive recovery in older patients: protocol for a randomised controlled trial Gaskell, Amy; Pullon, Rebecca; Hight, Darren; Termaat, Jonathan; Mans, Gay; Voss, Logan; Kreuzer, Matthias; Schmid, Sebastian; Kratzer, Stephan; Rodriguez, Amy; Schneider, Gerhard; Garcia, Paul; Sleigh, Jamie 2019 Articles ElectroencephalographyOscillationsOlder people--CareAnesthesiaPharmacologyMedical care