The patient sees a digit between 1 and 4 on a screen. The reaction time is measured by pressing the respective button on an input device.
The original paper was published by the Department of Anaesthesiology, University of Greifswald. The accompanying clinical trial was run by Prof. Dr. T.I. Usichenko.
Usichenko, T. et al: Measurement of cognitive function recovery after general anaesthesia in patients scheduled for ambulatory surgery: a prospective comparison of 3 psychological tests. European Journal of Anaesthesiology (EJA), volume 30, Ambulatory Anaesthesia, p. 33, 2013. doi:10.1097/00003643-201306001-00101.
The initial prototype was built as an iOS native app using Appcelerator Titanium. It was presented in a poster session at the Capital City Congress of the DGAI on Anaesthesiology and Intensive Care 2010.
This software is a mobile Web rewrite of 2010's native app.
Copyright © 2014 Robert Lehmann
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with this program. If not, see http://www.gnu.org/licenses/.