NEURO-PHYSIOLOGICAL PARAMETERS

                  (Ref. Paper titled 'PHYSIOLOGICAL EFFECT OF MANTRA ON MIND AND BODY' by Dr. W. Selvamurthy, Scientist-E, Defence Institute of Physiology and Allied Sciences, Delhi and presented in Yoga Conference held at IIT, Delhi on 4th November, 1989.)

Brief Extract:

In his study Dr. Selvamurthy has observed neuro-physiological effects of Agnihotra mantra i.e. two mantras at sunset time. 8 healthy men were chosen for study. They reported at 1600 hours on two consecutive days. First day for control recording when ritual mimicking Agnihotra was performed. Instead of mantras some irrelavent syllables of the duration of Agnihotra mantra were uttered. Next day evening Agnihotra was performed. Recording of physiological parameteres viz. Heart rate, ECG lead-II, blood pressure recorded … He has observed that heart rate showed a trend of decline during Agnihotra as compared to control. Skin temperature was raised by 10 ^oC during Agnihotra whereas control did not show such change. GSR remained significantly higher during Agnihotra as compared to control session. ECG showed DC shift in base like some extraneous electrical interference like response only during exact period of sunset Agnihotra. EEG showed constant changes. Power in Alpha band increased while there was tendency of suppression in Delta power. The CSA showed trend of leftward shift in Alpha power with build up power in Alpha and Theta bands persisting for more than 15 minutes in all montages. The power in all four bands during Agnihotra suggesting an occurance of Cerebral Cortical Synchronisation. Mental tranquility observed could be attributed to rise in Alpha power by 20% during performance. Thus Agnihotra atmosphere has beneficial effect in the form of mental tranquility.

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