Responses
The responws to meditation are most readily subdivided inlo psychologtcal, physiological. and
chemical. .As might bc zxpcted. ~hcge nenl trend has kcn one. of moving from initial fairly gross
parameters in finer. murc subtle. and morc discrete ones. and from lhose paramercn which are most easy
lo measure to morc Jilficult ones. For cxmple. the first phrsiological measurcscrmined pmmercrs such
3s respinlory nle and rhylhm, which have subsequently largely given u.3). to clcctrophysiologicaI
investigations. including spectral analyses and invrhem~spheric comparisons.
Turning