Abstract

In meditation, mind-wandering has to be noticed and stopped in order to attain and sustain a state of mindfulness. Mindwandering has been linked to increased activity in the default mode network (DMN). We found that hemodynamic activity in the DMN was inversely related to frontal midline theta (FMT) EEG activity. In addition, a recent study reported that FMT power was reduced during mind-wandering and increased during deep meditation. In our experiment, six subjects were introduced to two forms of meditation to be used during neurofeedback training in eight daily sessions during two weeks. FMT power was chosen for neurofeedback, while subjects applied these meditation techniques and individual strategies to increase FMT power. Each session was followed by a detailed interview. Four subjects were able to raise average FMT power over the course of the training, two of them significantly. We report and discuss the results of the neurophenomenological analysis of the relationship between meditation strategies, subjective experiences, and success of neurofeedback training.