Classification of mental tasks in the prefrontal cortex using fNIRS. - Christian Herff; Dominic Heger; Felix Putze; Johannes Hennrich; Ole Fortmann; Tanja Schultz (EMBC, 2013)

Hybrid fNIRS-EEG based discrimination of 5 levels of memory load. - Christian Herff; Ole Fortmann; Chun-Yu Tse; Xiaoqin Cheng; Felix Putze; Dominic Heger; Tanja Schultz (NER, 2015)