Focussing usually refers to pin-point type attention on one stimulus until blankout occurs. Open focus refers to thinking about the distance between the eyes then the ears, then attending to the heaviness of your arms or feet. Also switching modalities i.e. visual auditory, kinesthetic. Simular to autogenics and Ericson hypnosis. Can produce profound trance states(alpha/theta)Requires less strain than attending to a mantra, or other single stimulus.
