Also Stefan Schmidt for assistance with meditation attainment tests and questionnaires and other advice; Jessica Utts for statistical advice; Lama Yeshe Losal Rinpoche for permission to do the research at Samye Ling Tibetan Centre; Eskdalemuir Observatory and
SAMNET for so generously permitting us to use their geomagnetic field measurements (the Sub-Auroral Magnetometer Network [SAMNET] is operated by the Space Plasma Environment and Radio Science [SPEARS] group, Department of Physics, Lancaster University; Eskdalemuir data is provided courtesy of the British Geological Survey); and, last but by no means least, all the participants for giving so generously of their time and enthusiasm.