The invention is a method and apparatus in which student EEG measurements are made during the videotaped presentation of training materials. Alpha (8-12 Hz) and beta (16-24 Hz) activity present during segments of the material directed to a learning objective are used to determine attention and cognitive...http://www.google.co.uk/patents/US5339826?utm_source=gb-gplus-sharePatent US5339826 - Method for training material evaluation with method of EEG spectral estimation