1 810 158 EFFECT OF YOGA ON BLOOD GLUCOSE LEVELS IN PATIENTS WITH TYPE 2 DIABETES MELLITUS. INTRODUCTION: IN VIEW OF PEOPLE EMBRACING SEDENTARY LIFE STYLE, AND THE EFFECTIVENESS OF TREATMENT BECOMING LESS, THE ROLE OF REGULAR EXERCISE ESPECIALLY 'YOGA' SEEMS TO BE A BENEFICIAL AND ECONOMICAL ADJUVANT IN THE MANAGEMENT OF THE TYPE 2 DIABETES MELLITUS (T2DM). OBJECTIVES: TO ASSESS THE BENEFICIAL EFFECTS OF YOGA ON BLOOD GLUCOSE LEVELS IN NORMAL AND T2DM VOLUNTEERS. MATERIALS AND METHODS: A PROSPECTIVE CASE-CONTROL STUDY WAS CONDUCTED IN THE DEPARTMENT OF PHYSIOLOGY AND DIABETIC CLINIC OF A TERTIARY CARE TEACHING HOSPITAL OVER PERIOD OF TWO YEARS. THE STUDY SUBJECTS CONSISTED OF 30 MALE DIABETIC PATIENTS ATTENDING DIABETIC CLINIC AND 30 NON-DIABETIC MALE VOLUNTEERS CONSTITUTED CONTROL GROUP. THE PATIENTS IN THE AGE GROUP OF 36 TO 55 YEARS WITH T2DM OF AT LEAST ONE YEAR DURATION AND THOSE ON DIABETIC DIET AND ORAL HYPOGLYCEMIC AGENTS WERE INCLUDED IN THE STUDY GROUP. THE AGE MATCHED HEALTHY MALE VOLUNTEERS WHO HAD COME TO JOIN YOGA TRAINING AT YOGA CENTRE WERE INCLUDED IN THE CONTROL GROUP. ALL THE PARTICIPANTS WERE TRAINED BY YOGA EXPERTS AND SUBJECTED TO REGULAR PRACTICE UNDER SUPERVISION FOR SIX MONTHS. IN ALL THE PARTICIPANTS FASTING (FBS) AND POST-PRANDIAL BLOOD SUGAR (PPBS) WAS ESTIMATED BEFORE, DURING (AT THREE MONTHS) AND AFTER (SIX MONTHS) YOGA TRAINING. PAIRED STUDENT T-TEST WAS USED TO ESTIMATE DIFFERENCE IN MEANS CALCULATED BEFORE AND AFTER YOGA TRAINING IN A SAME GROUP. A P-VALUE OF <0.05 WAS CONSIDERED AS STATISTICALLY SIGNIFICANT. RESULTS: THE DISTRIBUTION OF AGE, MEAN HEIGHT AND MEAN WEIGHT AMONG BOTH THE GROUPS WERE COMPARABLE. THE REDUCTION IN MEAN VALUES OF FBS AND PPBS AT THE END OF SIX MONTHS WAS HIGHLY SIGNIFICANT (P <0.001) IN BOTH THE GROUPS WHEN COMPARED WITH THE MEAN VALUES BEFORE AND DURING (THREE MONTHS) YOGA PRACTICE. THE REDUCTION IN THESE VALUES AT THREE MONTHS DURING YOGA WAS HIGHLY SIGNIFICANT IN T2DM GROUP WHEN COMPARED WITH MEAN VALUES BEFORE YOGA (P <0.001), BUT IT WAS INSIGNIFICANT (P<0.05) IN CONTROL GROUP. CONCLUSION: THE RESULTS OF THE PRESENT STUDY DEMONSTRATED THAT THE YOGA IS EFFECTIVE IN REDUCING THE BLOOD GLUCOSE LEVELS IN PATIENTS WITH T2DM. 2015 2 959 46 EFFECTS OF A YOGA INTERVENTION ON LIPID PROFILES OF DIABETES PATIENTS WITH DYSLIPIDEMIA. OBJECTIVE: THE PRESENT STUDY WAS CONDUCTED TO ASSESS THE EFFECTIVENESS OF YOGA IN THE MANAGEMENT OF DYSLIPIDEMIA IN PATIENTS OF TYPE 2 DIABETES MELLITUS. METHODS: THIS RANDOMIZED PARALLEL STUDY WAS CARRIED OUT IN MEDICAL COLLEGE TRIVANDRUM, KERALA, INDIA. HUNDRED TYPE 2 DIABETICS WITH DYSLIPIDEMIA WERE RANDOMIZED INTO CONTROL AND YOGA GROUPS. THE CONTROL GROUP WAS PRESCRIBED ORAL HYPOGLYCEMIC DRUGS. THE YOGA GROUP PRACTICED YOGA DAILY FOR 1 H DURATION ALONG WITH ORAL HYPOGLYCEMIC DRUGS FOR 3 MONTHS. THE LIPID PROFILES OF BOTH THE GROUPS WERE COMPARED AT THE START AND AT THE END OF 3 MONTHS. RESULTS: AFTER INTERVENTION WITH YOGA FOR A PERIOD OF 3 MONTHS THE STUDY GROUP SHOWED A DECREASE IN TOTAL CHOLESTEROL, TRIGLYCERIDES AND LDL, WITH AN IMPROVEMENT IN HDL. CONCLUSION: YOGA, BEING A LIFESTYLE INCORPORATING EXERCISE AND STRESS MANAGEMENT TRAINING, TARGETS THE ELEVATED LIPID LEVELS IN PATIENTS WITH DIABETES THROUGH INTEGRATED APPROACHES. 2013 3 2525 37 YOGA DURING PREGNANCY: THE EFFECTS ON LABOR PAIN AND DELIVERY OUTCOMES (A RANDOMIZED CONTROLLED TRIAL). OBJECTIVE: TO INVESTIGATE THE EFFECTS OF AN ANTENATAL YOGA PROGRAM ON PERCEIVED MATERNAL LABOR PAIN AND DELIVERY OUTCOMES. MATERIAL & METHODS: THIS RANDOMIZED CONTROL TRIAL WAS CONDUCTED WITH SIXTY PRIMIPAROUS WOMEN, AGED 18-35 YEARS OLD, WHO WERE RANDOMLY ASSIGNED TO EITHER AN ANTENATAL YOGA PROGRAM OR CONTROL GROUPS. LABOR PAIN AND DISCOMFORT LEVEL OF THE PARTICIPANTS WERE MEASURED USING A VISUAL ANALOGUE SCALE AT CERVICAL DILATATION OF 3-4 C AND AT 2 AND 4 H AFTER THE INITIAL MEASUREMENT. DEMOGRAPHIC AND OBSTETRICAL INFORMATION WERE COLLECTED. THE ANTENATAL YOGA PROGRAM CONSISTED OF A 1-H SUPERVISED YOGA CLASS, THREE TIMES A WEEKLY, STARTING AT 26 WEEKS GESTATION. . RESULTS: PARTICIPANTS IN CONTROL GROUP REPORTED HIGHER PAIN INTENSITY COMPARED TO EXPERIMENTAL GROUP AT 3-4 CM OF DILATATION (P = 0.01) AND AT 2 H AFTER THE FIRST AND THE SECOND MEASUREMENTS (P = 0.000). MOTHERS IN THE ANTENATAL INTERVENTION GROUP THAT COMPLETED THE YOGA CLASS REQUIRED A DECREASED FREQUENCY OF LABOR INDUCTION IN COMPARISON WITH CONTROL GROUP (P = 0.008). IN ADDITION, MODE OF DELIVERY OF THE INTERVENTION GROUP RESULTED IN A LOWER PERCENTAGE OF CESAREAN SECTION THAN CONTROL GROUP (P = 0.002). LASTLY, THE INTERVENTION GROUP EXPERIENCED A SHORTER DURATION OF THE SECOND AND THIRD STAGES OF LABOR. INTERVAL LEVEL DATA WAS ANALYZED BY USING AN INDEPENDENT T-TEST AND CHI-SQUARE. CONCLUSION: YOGA DURING PREGNANCY MAY CONTRIBUTE TO A REDUCTION PAIN OF LABOR AND IMPROVED ADEQUACY OF CHILDBIRTH. 2017 4 2664 46 YOGA IN CHILDREN WITH EPILEPSY: A RANDOMIZED CONTROLLED TRIAL. CONTEXT: MAJORITY OF EPILEPSY BEGINS IN CHILDHOOD. TWENTY TO THIRTY PERCENT OF PATIENTS MAY NOT RESPOND TO ANTIEPILEPTIC DRUGS. YOGA AS A COMPLEMENTARY THERAPY HAS BEEN FOUND TO BE BENEFICIAL IN ADULTS, BUT HAS NOT YET BEEN STUDIED IN CHILDREN WITH EPILEPSY. AIM: TO STUDY THE EFFECT OF YOGA ON SEIZURE AND ELECTROENCEPHALOGRAM (EEG) OUTCOME IN CHILDREN WITH EPILEPSY. SETTING AND DESIGN: A RANDOMIZED CONTROLLED TRIAL WAS CONDUCTED IN THE PEDIATRIC NEUROLOGY OUTPATIENT DEPARTMENT OF A TERTIARY CARE TEACHING HOSPITAL. MATERIALS AND METHODS: TWENTY CHILDREN AGED 8-12 YEARS WITH AN UNEQUIVOCAL DIAGNOSIS OF EPILEPSY ON REGULAR ANTIEPILEPTIC DRUGS WERE ENROLLED. YOGA THERAPY WAS PROVIDED TO 10 CHILDREN (STUDY GROUP) AND 10 CHILDREN FORMED THE CONTROL GROUP. YOGA THERAPY WAS GIVEN AS 10 SESSIONS OF 1H EACH. WE COMPARED SEIZURE FREQUENCY AND EEG AT BASELINE, 3, AND 6 MONTHS. STATISTICAL ANALYSIS WAS CARRIED OUT USING STANDARD STATISTICAL TESTS. A P VALUE OF <0.05 WAS CONSIDERED SIGNIFICANT. RESULTS: NO CHILDREN HAD SEIZURES AT THE END OF 3 AND 6 MONTHS IN THE STUDY GROUP. IN THE CONTROL GROUP, AT 3 AND 6 MONTHS, FOUR AND THREE CHILDREN, RESPECTIVELY, HAD SEIZURES. EIGHT CHILDREN EACH IN BOTH THE GROUPS HAD AN ABNORMAL EEG AT ENROLLMENT. AT THE END OF 6 MONTHS, ONE EEG IN THE STUDY GROUP AND SEVEN IN THE CONTROL GROUP WERE ABNORMAL (P = 0.020). CONCLUSION: YOGA AS AN ADDITIONAL THERAPY IN CHILDREN WITH EPILEPSY LEADS TO SEIZURE FREEDOM AND SIGNIFICANT IMPROVEMENT IN EEG AT 6 MONTHS. 2018 5 2863 30 YOGA-BASED GUIDED RELAXATION REDUCES SYMPATHETIC ACTIVITY JUDGED FROM BASELINE LEVELS. 35 MALE VOLUNTEERS WHOSE AGES RANGED FROM 20 TO 46 YEARS WERE STUDIED IN TWO SESSIONS OF YOGA-BASED GUIDED RELAXATION AND SUPINE REST. ASSESSMENTS OF AUTONOMIC VARIABLES WERE MADE FOR 15 SUBJECTS, BEFORE, DURING, AND AFTER THE PRACTICES, WHEREAS OXYGEN CONSUMPTION AND BREATH VOLUME WERE RECORDED FOR 25 SUBJECTS BEFORE AND AFTER BOTH TYPES OF RELAXATION. A SIGNIFICANT DECREASE IN OXYGEN CONSUMPTION AND INCREASE IN BREATH VOLUME WERE RECORDED AFTER GUIDED RELAXATION (PAIRED T TEST). THERE WERE COMPARABLE REDUCTIONS IN HEART RATE AND SKIN CONDUCTANCE DURING BOTH TYPES OF RELAXATION. DURING GUIDED RELAXATION THE POWER OF THE LOW FREQUENCY COMPONENT OF THE HEART-RATE VARIABILITY SPECTRUM REDUCED, WHEREAS THE POWER OF THE HIGH FREQUENCY COMPONENT INCREASED, SUGGESTING REDUCED SYMPATHETIC ACTIVITY. ALSO, SUBJECTS WITH A BASELINE RATIO OF LF/HF > 0.5 SHOWED A SIGNIFICANT DECREASE IN THE RATIO AFTER GUIDED RELAXATION, WHILE SUBJECTS WITH A RATIO < OR = 0.5 AT BASELINE SHOWED NO SUCH CHANGE. THE RESULTS SUGGEST THAT SYMPATHETIC ACTIVITY DECREASED AFTER GUIDED RELAXATION BASED ON YOGA, DEPENDING ON THE BASELINE LEVELS. 2002 6 940 49 EFFECTS OF 6 MONTHS YOGA PROGRAM ON RENAL FUNCTIONS AND QUALITY OF LIFE IN PATIENTS SUFFERING FROM CHRONIC KIDNEY DISEASE. AIM: TO STUDY THE EFFECT OF 6 MONTHS YOGA PROGRAM IN PATIENTS SUFFERING FROM CHRONIC KIDNEY DISEASE (CKD). MATERIALS AND METHODS: FIFTY-FOUR PATIENTS WITH CKD WERE STUDIED AND DIVIDED INTO TWO GROUPS (YOGA GROUP AND CONTROL GROUP) TO SEE THE EFFECT OF YOGA IN CKD. PATIENTS IN THE YOGA GROUP WERE OFFERED YOGA THERAPY ALONG WITH OTHER CONVENTIONAL TREATMENT MODALITIES, WHILE THE CONTROL GROUP WAS ONLY ON CONVENTIONAL TREATMENT. SUBJECTS IN YOGA GROUP WERE TRAINED TO PERFORM SPECIFIC YOGIC ASANAS FOR AT LEAST 5 DAYS A WEEK FOR 40-60 MIN A DAY. REGULAR MONITORING OF BLOOD PRESSURE, RENAL FUNCTION, REQUIREMENT OF A NUMBER OF DIALYSIS, AND QUALITY OF LIFE (QOL) INDICATORS WERE DONE. FIFTY PATIENTS (YOGA - 25; CONTROL-25) COMPLETED 6 MONTHS FOLLOW-UP. RESULTS: IN YOGA GROUP, A SIGNIFICANT REDUCTION OF SYSTOLIC AND DIASTOLIC BLOOD PRESSURE, SIGNIFICANT REDUCTION IN BLOOD UREA AND SERUM CREATININE LEVELS, AND SIGNIFICANT IMPROVEMENT IN PHYSICAL AND PSYCHOLOGICAL DOMAIN OF THE WORLD HEALTH ORGANIZATION QOL (AS ASSESSED BY BREF QOL SCORES) WERE SEEN AFTER 6 MONTHS. IN CONTROL GROUP, RISE OF BLOOD PRESSURE, DETERIORATION OF RENAL FUNCTION, AND QOL WERE OBSERVED. POSTSTUDY COMPARISON BETWEEN THE TWO GROUPS SHOWED A STATISTICALLY SIGNIFICANT REDUCTION OF BLOOD PRESSURE, NONSIGNIFICANT REDUCTION IN BLOOD UREA AND SERUM CREATININE, AND SIGNIFICANT IMPROVEMENT IN PHYSICAL AND PSYCHOLOGICAL DOMAIN OF QOL IN YOGA GROUP AS COMPARED TO CONTROL GROUP. FOR SUBJECTS IN YOGA GROUP, THE NEED FOR DIALYSIS WAS LESS WHEN COMPARED TO CONTROL GROUP ALTHOUGH THIS DIFFERENCE WAS STATISTICALLY INSIGNIFICANT. EXCEPT FOR INABILITY OF SOME PATIENTS TO PERFORM CERTAIN YOGIC ASANAS NO ADVERSE EFFECT WAS FOUND IN THE STUDY. CONCLUSION: SIX MONTHS YOGA PROGRAM IS SAFE AND EFFECTIVE AS AN ADJUVANT THERAPY IN IMPROVING RENAL FUNCTIONS AND QOL OF CKD PATIENTS. 2017 7 2088 36 THE EFFECT OF PRACTICING YOGA DURING PREGNANCY ON LABOR STAGES LENGTH, ANXIETY AND PAIN: A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: ANXIETY AND FEAR OF LABOR PAIN HAS LED TO ELEVATED CESAREAN SECTION RATE IN SOME COUNTRIES. THIS STUDY WAS CONDUCTED TO INVESTIGATE THE EFFECT OF YOGA IN PREGNANCY ON ANXIETY, LABOR PAIN AND LENGTH OF LABOR STAGES. METHODS: THIS CLINICAL TRIAL STUDY WAS PERFORMED ON 84 NULLIPAROUS WOMEN WHO WERE AT LEAST 18 YEARS OLD AND WERE RANDOMLY DIVIDED INTO TWO GROUPS OF YOGA AND CONTROL GROUPS. PREGNANCY YOGA PROGRAM CONSISTING OF 6 60-MIN TRAINING SESSIONS WAS STARTED EVERY 2 WEEKS FROM WEEK 26 OF PREGNANCY AND CONTINUED UNTIL 37 WEEKS OF GESTATION. ANXIETY SEVERITY AT MATERNAL ADMISSION TO LABOR WAS MEASURED BY THE SPIELBERGERS STATE-TRAIT ANXIETY INVENTORY, AND LABOR PAIN WAS MEASURED BY VISUAL ANALOGUE SCALE (VAS) AT DILATATION (4-5 CM) AND 2 H AFTER THE FIRST MEASUREMENT. DATA WERE ANALYZED USING CHI-SQUARE AND T-TEST. RESULTS: INTERVENTION GROUP REPORTED LESS PAIN AT DILATATION (4-5 CM) (P=0.001) AND 2 H AFTER THE FIRST MEASUREMENT (P=0.001) THAN THE CONTROL GROUP. STAT ANXIETY WAS ALSO LOWER IN INTERVENTION GROUP THAN THE CONTROL GROUP (P=0.003) AT THE ENTRANCE TO LABOR ROOM. SUBJECTS IN THE CONTROL GROUP REQUIRED MORE INDUCTION COMPARED TO INTERVENTION GROUP (P=0.003). WOMEN IN INTERVENTION GROUP EXPERIENCED SHORTER DURATION OF THE FIRST PHASE OF THE LABOR THAN THE CONTROL GROUP (P=0.002). ALSO, THE TOTAL DURATION OF TWO STAGES OF LABOR WAS SHORTER IN INTERVENTION GROUP THAN THE CONTROL GROUP (P=0.003). CONCLUSIONS: PRACTICING YOGA DURING PREGNANCY MAY REDUCE WOMEN'S ANXIETY DURING LABOR; SHORTEN LABOR STAGES, AND LOWER LABOR PAIN. 2020 8 306 36 AN EVALUATION OF THE ABILITY TO VOLUNTARILY REDUCE THE HEART RATE AFTER A MONTH OF YOGA PRACTICE. THE STUDY AIMED AT DETERMINING WHETHER NOVICES TO YOGA WOULD BE ABLE TO REDUCE THEIR HEART RATE VOLUNTARILY AND WHETHER THE MAGNITUDE OF REDUCTION WOULD BE MORE AFTER 30 DAYS OF YOGA TRAINING. TWO GROUPS (YOGA AND CONTROL, N = 12 EACH) WERE ASSESSED ON DAY 1 AND ON DAY 30. DURING THE INTERVENING 30 DAYS, THE YOGA GROUP RECEIVED TRAINING IN YOGA TECHNIQUES WHILE THE CONTROL GROUP CARRIED ON WITH THEIR ROUTINE. AT EACH ASSESSMENT THE BASELINE HEART RATE WAS RECORDED FOR ONE MINUTE, THIS WAS FOLLOWED BY A SIX-MINUTE PERIOD DURING WHICH PARTICIPANTS WERE ASKED TO ATTEMPT TO VOLUNTARILY REDUCE THEIR HEART RATE, USING ANY STRATEGY. BOTH THE BASELINE HEART RATE AND THE LOWEST HEART RATE ACHIEVED VOLUNTARILY DURING THE SIX-MINUTE PERIOD WERE SIGNIFICANTLY LOWER IN THE YOGA GROUP ON DAY 30 COMPARED TO DAY 1 BY A GROUP AVERAGE OF 10.7 BEATS PER MINUTE (I.E., BPM) AND 6.8 BPM, RESPECTIVELY (P < .05, WILCOXON PAIRED SIGNED RANKS TEST). IN CONTRAST, THERE WAS NO SIGNIFICANT CHANGE IN EITHER THE BASELINE HEART RATE OR THE LOWEST HEART RATE ACHIEVED VOLUNTARILY IN THE CONTROL GROUP ON DAY 30 COMPARED TO DAY 1. THE RESULTS SUGGEST THAT YOGA TRAINING CAN ENABLE PRACTITIONERS TO USE THEIR OWN STRATEGIES TO REDUCE THE HEART RATE, WHICH HAS POSSIBLE THERAPEUTIC APPLICATIONS. 2004 9 300 32 AN ASSESSMENT OF A SEQUENCE OF YOGA EXERCISES TO PATIENTS WITH ARTERIAL HYPERTENSION. THIS QUASI-EXPERIMENTAL STUDY DESCRIBES THE EFFECTS OF A YOGA SEQUENCE FOLLOWING HEMODYNAMIC AND BIOCHEMICAL PARAMETERS IN PATIENTS WITH HYPERTENSION. THIRTY-THREE VOLUNTEERS PARTICIPATED IN THE STUDY (CONTROL = 16 AND YOGA = 17) FOR FOUR MONTHS. BLOOD PRESSURE MEASUREMENTS, CARDIAC AND RESPIRATORY RATE WERE COLLECTED MONTHLY, WHILE THE BIOCHEMICAL PROFILE WAS TAKEN AT THE BEGINNING AND END OF THE PROGRAM. TO ANALYZE THE DATA, STUDENT'S T TEST AND REPEATED MEASURES ANALYSES WERE PERFORMED. THE YOGA GROUP SHOWED A SIGNIFICANT REDUCTION OF SYSTOLIC BLOOD PRESSURE, HEART AND RESPIRATORY RATE (P < 0.05). AS FOR THE BIOCHEMICAL PROFILE, THE YOGA GROUP SHOWED CORRELATION COEFFICIENTS BETWEEN INITIAL VALUES AND FINAL RESPONSES GREATER THAN THE CONTROL OF FASTING GLUCOSE, TOTAL CHOLESTEROL, LDL-CHOLESTEROL AND TRIGLYCERIDES. THE ELABORATED SEQUENCE PRACTICE PROMOTED SIGNIFICANT CARDIOVASCULAR AND METABOLIC BENEFITS. THE YOGA EXERCISES PERFORMED IN THE PROPOSED SEQUENCE CONSTITUTE COMPLEMENTARY NON-PHARMACOLOGICAL CONTROL OF BLOOD PRESSURE IN PATIENTS WITH HYPERTENSION. 2013 10 1450 41 INFLUENCE OF INTENSITY AND DURATION OF YOGA ON ANXIETY AND DEPRESSION SCORES ASSOCIATED WITH CHRONIC ILLNESS. BACKGROUND: CHRONIC ILLNESS IS COMMONLY ASSOCIATED WITH ANXIETY AND DEPRESSION. BOTH ANXIETY AND DEPRESSION RESPOND TO YOGA. HOWEVER, THERE IS NO REPORT ON THE ASSOCIATION BETWEEN THE INTENSITY AND DURATION OF YOGA PRACTICE WITH THE BENEFITS SEEN. AIM: THE PRESENT STUDY WAS INTENDED TO DETERMINE WHETHER THE DAILY DURATION OF YOGA PRACTICE AND THE DURATION OF EXPERIENCE IN MONTHS WOULD PREDICT ANXIETY AND DEPRESSION, ASSOCIATED WITH CHRONIC ILLNESS. SUBJECTS AND METHODS: SEVEN HUNDRED AND SIXTY-THREE VOLUNTEERS WITH AGES BETWEEN 14 AND 86 YEARS (GROUP MEAN AGE STANDARD DEVIATION, 50.2 [14.2]) WHO ATTENDED A 7 DAY RESIDENTIAL YOGA CAMP IN THE NORTH OF INDIA WERE INCLUDED IN THIS CROSS-SECTIONAL STUDY. ALL PARTICIPANTS HAD CHRONIC ILLNESSES, WHICH WERE UNDER CONTROL WITH TREATMENT, AND WHICH WERE CATEGORIZED AND ARE DETAILED. PARTICIPANTS WERE ASSESSED FOR STATE ANXIETY SCORES USING STATE-TRAIT ANXIETY INVENTORY AND FOR ANXIETY WITH HOSPITAL ANXIETY AND DEPRESSION SCALE (HADS-A), AND DEPRESSION WAS ASSESSED USING HADS-D SCORES OF THE HADS. LINEAR MULTIPLE REGRESSION ANALYSES WERE PERFORMED USING PASW SPSS VERSION 18.0 (ARMONK, NEW YORK, U.S.) TO DETERMINE HOW THE DAILY AND MONTHLY DURATION OF YOGA PRACTICE COULD INFLUENCE STATE ANXIETY, HOSPITAL ANXIETY AND DEPRESSION OF THE PARTICIPANTS. RESULTS: YOGA PRACTICE IN MONTHS AND THE TIME SPENT PRACTICING YOGA EACH DAY SIGNIFICANTLY PREDICT THE LEVEL OF STATE ANXIETY (P < 0.001, P = 0.03) AND HAD-A (P < 0.01, P < 0.01). THE DURATION OF YOGA PRACTICE IN MONTHS ALONE WAS A SIGNIFICANT PREDICTOR OF THE HAD-D (P < 0.01). CONCLUSIONS: THE RESULTS SUGGEST THAT THE DURATION OF YOGA PRACTICE IN MONTHS AND DAILY PRACTICE IN MINUTES PREDICT ANXIETY ASSOCIATED WITH CHRONIC ILLNESS. IN CONTRAST THE DURATION OF YOGA PRACTICE IN MONTHS ALONE, PREDICTED DEPRESSION SCORES. 2015 11 2364 35 VOLUNTARY HEART RATE REDUCTION FOLLOWING YOGA USING DIFFERENT STRATEGIES. BACKGROUND/AIMS: ONE MONTH OF YOGA TRAINING HAS BEEN SHOWN TO REDUCE THE PULSE RATE VOLUNTARILY WITHOUT USING EXTERNAL CUES. HENCE, THE PRESENT STUDY WAS DESIGNED TO UNDERSTAND THE STRATEGIES USED BY YOGA PRACTITIONERS AND AUTONOMIC CHANGES ASSOCIATED WITH VOLUNTARY HEART RATE REDUCTION. MATERIALS AND METHODS: FIFTY VOLUNTEERS (GROUP MEAN AGE +/- S.D., 25.4 +/- 4.8 YEARS; 25 MALES) WERE ASSESSED IN TWO TRIALS ON SEPARATE DAYS. EACH TRIAL WAS FOR 12 MINUTES, WITH A 'PRE' STATE AND 'DURING' STATE OF 6 MINUTES EACH. FOR BOTH TRIALS THE 'PRE' STATE WAS RELAXATION WITH EYES CLOSED. IN THE 'DURING' STATE OF TRIAL I, SUBJECTS WERE ASKED TO VOLUNTARILY REDUCE THEIR HEART RATE USING A STRATEGY OF THEIR CHOICE. FROM THEIR RESPONSES TO SPECIFIC QUESTIONS IT WAS DETERMINED THAT 22 OUT OF 50 PERSONS USED BREATH REGULATION AS A STRATEGY. HENCE, IN THE 'DURING' STATE OF TRIAL II, SUBJECTS WERE ASKED TO VOLUNTARILY REDUCE THEIR HEART RATE BY BREATH REGULATION. RESULTS: IN THE FIRST TRIAL, THE HEART RATE WAS REDUCED BY AN AVERAGE OF 19.6 BEATS PER MINUTE AND IN THE SECOND TRIAL (WITH BREATH REGULATION EXCLUSIVELY) AN AVERAGE DECREASE OF 22.2 BEATS PER MINUTE WAS ACHIEVED. CONCLUSIONS: HENCE, THE STRATEGY USED DID NOT MARKEDLY ALTER THE OUTCOME. 2013 12 1835 26 PSYCHOPHYSIOLOGICAL CHANGES AT THE TIME OF EXAMINATION IN MEDICAL STUDENTS BEFORE AND AFTER THE PRACTICE OF YOGA AND RELAXATION. THE EFFECT OF YOGA AND RELAXATION CHANGES IN PSYCHOPHYSIOLOGICAL PARAMETERS IN RESPONSE TO THE STRESS OF EXAMINATION IN 75 MEDICAL STUDENTS WAS STUDIED. INITIALLY FIVE PARAMETERS (ANXIETY LEVEL, HEART RATE, BLOOD PRESSURE, GALVANIC SKIN RESISTANCE AND CHOICE REACTION TIME) WERE RECORDED, A MONTH BEFORE THE EXAMINATION AND ON THE DAY OF EXAMINATION. STUDENTS WERE THEN RANDOMLY DIVIDED INTO 3 GROUP OF 25 EACH. ONE GROUP PRACTICED YOGA (GROUP- Y), AND ANOTHER GROUP PRACTICED RELAXATION (GROUP-R) REGULARLY FOR THREE MONTHS. THE THIRD GROUP WAS CONTROL GROUP (GROUP-C). ALL THE PARAMETERS WERE RECORDED AFTER THE CHANGES IN ANXIETY LEVEL, HEART RATE, BLOOD PRESSURE, AND GALVANIC SKIN RESISTANCE IN RESPONSE TO STRESS OF EXAMINATION WERE SIGNIFICANTLY ATTENUATED AND THERE WAS SIGNIFICANT IMPROVEMENT IN CHOICE REACTION TIME IN GROUP-Y AND GROUP-R AS COMPARED TO GROUP-C AFTER YOGA AND RELAXATION. 1998 13 1102 51 EFFECTS OF YOGA TRAINING ON BODY COMPOSITION AND OXIDANT-ANTIOXIDANT STATUS AMONG HEALTHY MALE. BACKGROUND: THE STRESSFUL CONDITION MAY CAUSE OXIDATIVE STRESS, WHICH IS RESPONSIBLE FOR VARIOUS DISEASES. AIMS: THE PRESENT STUDY WAS DESIGNED TO FIND OUT WHETHER YOGA HAS IMPACT ON THE REDUCTION OF OXIDATIVE STRESS. METHODS: FOR THE PRESENT STUDY, 95 (N = 95) HEALTHY MALE VOLUNTEERS WITHIN THE AGE GROUP OF 18-24 YEARS WERE INCLUDED, 35 (N = 35) VOLUNTEERS WERE EXCLUDED. THE REMAINING 60 (N = 60) VOLUNTEERS WERE RANDOMLY DIVIDED INTO TWO GROUPS: (A) YOGA GROUP (N = 30) AND (B) CONTROL GROUP (N = 30). YOGA TRAINING WAS GIVEN FOR 60 MIN PER DAY, 6 DAYS PER WEEK FOR 12 WEEKS IN THE YOGA GROUP, WITH NO YOGA TRAINING IN CONTROL GROUP. ASSESSMENT OF BODY COMPOSITION AND OXIDANT-ANTIOXIDANT STATUS WERE PERFORMED IN BOTH THE GROUPS AT BASELINE, BEFORE YOGA TRAINING (0 WEEK) AND AFTER (12 WEEKS) OF THE TRAINING. RESULTS: SIGNIFICANT REDUCTION (P < 0.001) IN THE PERCENTAGE OF BODY FAT AND MALONDIALDEHYDE; SIGNIFICANT ELEVATION (P < 0.001) IN SUPEROXIDE DISMUTASE, CATALASE, REDUCED GLUTATHIONE AND ASCORBIC ACID LEVELS WERE NOTED IN THE YOGA GROUP AFTER 12 WEEKS WHEN COMPARED TO BASELINE DATA (0 WEEK). HOWEVER, THERE WAS NO SIGNIFICANT DIFFERENCE IN HEIGHT, WEIGHT, BODY MASS INDEX, BODY SURFACE AREA AND LEAN BODY MASS AMONG THE YOGA GROUP AFTER 12 WEEKS WHEN COMPARED TO BASELINE DATA. THESE CHANGES MIGHT BE DUE TO YOGA TRAINING. CONCLUSIONS: REGULAR YOGA PRACTICE REDUCES BODY FAT AND OXIDATIVE STRESS. YOGA TRAINING MAY BE HELPFUL TO REDUCE THE CHANCE OF OCCURRENCE OF VARIOUS DISEASES AND HELPS TO MAINTAIN NORMAL HEALTHY LIFESTYLE. 2018 14 2660 45 YOGA IN ARTERIAL HYPERTENSION. BACKGROUND: YOGA SEEMS TO EXERT ITS EFFECT AGAINST ARTERIAL HYPERTENSION MAINLY THROUGH THE ASSOCIATED BREATHING AND MEDITATION TECHNIQUES, AND LESS SO THROUGH YOGA POSTURES. THE GOAL OF THIS TRIAL WAS TO COMPARE THE BLOOD PRESSURE-LOWERING EFFECT OF YOGA INTERVENTIONS WITH AND WITHOUT YOGA POSTURES IN PATIENTS WITH ARTERIAL HYPERTENSION. METHODS: 75 PATIENTS TAKING MEDICATIONS FOR ARTERIAL HYPERTENSION (72% WOMEN, MEAN AGE 58.7 +/- 9.5 YEARS) WERE RANDOMIZED INTO THREE GROUPS: A YOGA INTERVENTION GROUP WITH YOGA POSTURES (25 PATIENTS, OF WHOM 5 DROPPED OUT OF THE TRIAL BEFORE ITS END), A YOGA INTERVENTION GROUP WITHOUT YOGA POSTURES (25 PATIENTS, 3 DROPOUTS), AND A WAIT LIST CONTROL GROUP (25 PATIENTS, ONE DROPOUT). THE INTERVENTIONS CONSISTED OF 90 MINUTES OF YOGA PRACTICE PER WEEK FOR TWELVE WEEKS. THE DATA COLLECTORS, WHO WERE BLINDED TO THE INTERVENTION RECEIVED, ASSESSED THE PRIMARY OUTCOME MEASURES "SYSTOLIC 24-HOUR BLOOD PRESSURE" AND "DIASTOLIC 24-HOUR BLOOD PRESSURE" BEFORE AND AFTER THE INTERVENTION. IN THIS REPORT, WE ALSO PRESENT THE FINDINGS ON SECONDARY OUTCOME MEASURES, INCLUDING FOLLOW-UP DATA. RESULTS: AFTER THE INTERVENTION, THE SYSTOLIC 24-HOUR BLOOD PRESSURE IN THE YOGA INTERVENTION GROUP WITHOUT YOGA POSTURES WAS SIGNIFICANTLY LOWER THAN IN THE CONTROL GROUP (GROUP DIFFERENCE [DELTA]= -3.8 MMHG; [95% CONFIDENCE INTERVAL (CI): (-0.3; -7.4) P = 0.035]); IT WAS ALSO SIGNIFICANTLY LOWER THAN IN THE YOGA INTERVENTION GROUP WITH YOGA POSTURES (DELTA = -3.2 MMHG; 95% CI: [-6.3; -0.8]; P = 0.045). DIASTOLIC BLOOD PRESSURES DID NOT DIFFER SIGNIFICANTLY ACROSS GROUPS. NO SERIOUS ADVERSE EVENTS WERE ENCOUNTERED IN THE COURSE OF THE TRIAL. CONCLUSION: IN ACCORDANCE WITH THE FINDINGS OF EARLIER STUDIES, WE FOUND THAT ONLY YOGA WITHOUT YOGA POSTURES INDUCED A SHORT-TERM LOWERING OF AMBULATORY SYSTOLIC BLOOD PRESSURE. YOGA IS SAFE AND EFFECTIVE IN PATIENTS TAKING MEDICATIONS FOR ARTERIAL HYPERTENSION AND THUS CAN BE RECOMMENDED AS AN ADDITIONAL TREATMENT OPTION FOR PERSONS IN THIS CATEGORY. 2018 15 2702 42 YOGA INTERVENTION ON BLOOD NO IN FEMALE MIGRAINEURS. BACKGROUND: THE CURRENT SURVEY INVESTIGATES THE EFFECT OF 12 WEEKS YOGA TRAINING ON HEADACHE FREQUENCY, SEVERITY, DURATION AND BLOOD NITRIC OXIDE LEVELS AS WELL AS HEADACHE IMPACTS ON FEMALE MIGRAINEURS' LIVES. MATERIALS AND METHODS: THIRTY-TWO FEMALE PATIENTS WITH MIGRAINE TOOK PART AND WERE RANDOMLY DIVIDED INTO TWO GROUPS. THE CONTROL GROUP (N = 14) RECEIVED MEDICATION AND THE YOGA GROUP (N = 18) PARTICIPATED IN 12 WEEKS YOGA TRAINING IN ADDITION TO RECEIVING THE SAME MEDICATION AS THAT OF THE CONTROL GROUP. FREQUENCY AND DURATION OF HEADACHE WERE ASSESSED BY A QUESTIONNAIRE. VISUAL ANALOGUE SCALE WAS USED TO MEASURE THE SEVERITY OF HEADACHE, AND THE METABOLITE OF NO ALSO WAS MEASURED BY GRIESS REACTION. HEADACHE IMPACT TEST (HIT-6) WAS ALSO USED TO ASSESS THE IMPACT OF HEADACHE ON PATIENTS' LIVES. DATA WERE ANALYZED BY T-TEST MEAN VARIANCE. RESULTS: AFTER 3 MONTHS INTERVENTION, IN THE YOGA GROUP, THERE WAS A SIGNIFICANT REDUCTION IN THE IMPACT OF HEADACHE ON PATIENTS' LIVES, HEADACHE FREQUENCY, AND SEVERITY AND A NON-SIGNIFICANT REDUCTION IN HEADACHE DURATION IN THE YOGA GROUP. THERE WAS NO SIGNIFICANT DIFFERENCE IN THE PLASMA LEVELS OF NO BETWEEN YOGA AND CONTROL GROUPS BEFORE AND AFTER THE STUDY. CONCLUSION: BASED ON THE RESULTS, YOGA COULD BE RECOMMENDED AS A COMPLEMENTARY METHOD TO MIGRAINE PATIENTS. 2015 16 1317 35 HEART RATE VARIABILITY CHANGES DURING HIGH FREQUENCY YOGA BREATHING AND BREATH AWARENESS. BACKGROUND: PRE AND POST COMPARISON AFTER ONE MINUTE OF HIGH FREQUENCY YOGA BREATHING (HFYB) SUGGESTED THAT THE HFYB MODIFIES THE AUTONOMIC STATUS BY INCREASING SYMPATHETIC MODULATION, BUT ITS EFFECT DURING THE PRACTICE WAS NOT ASSESSED. METHODS: THIRTY-EIGHT MALE VOLUNTEERS WITH GROUP AVERAGE AGE +/- S.D., 23.3 +/- 4.4 YEARS WERE EACH ASSESSED ON TWO SEPARATE DAYS IN TWO SESSIONS, (I) HFYB AND (II) BREATH AWARENESS. EACH SESSION WAS FOR 35 MINUTES, WITH 3 PERIODS, I.E., PRE (5 MINUTES), DURING HFYB OR BREATH AWARENESS (15 MINUTES) AND POST (5 MINUTES). RESULTS: THERE WAS A SIGNIFICANT DECREASE IN NN50, PNN50 AND THE MEAN RR INTERVAL DURING AND AFTER HFYB AND AFTER BREATH AWARENESS, COMPARED TO THE RESPECTIVE 'PRE' VALUES (P < 0.05) (REPEATED MEASURES ANOVA FOLLOWED BY POST-HOC ANALYSIS). THE LF POWER INCREASED AND HF POWER DECREASED DURING AND AFTER BREATH AWARENESS AND LF/HF RATIO INCREASED AFTER BREATH AWARENESS (P < 0.05). CONCLUSION: THE RESULTS SUGGEST THAT THERE WAS REDUCED PARASYMPATHETIC MODULATION DURING AND AFTER HFYB AND INCREASED SYMPATHETIC MODULATION WITH REDUCED PARASYMPATHETIC MODULATION DURING AND AFTER BREATH AWARENESS. 2011 17 1318 40 HEART RATE VARIABILITY IN CHRONIC LOW BACK PAIN PATIENTS RANDOMIZED TO YOGA OR STANDARD CARE. BACKGROUND: CHRONIC PAIN CAN ALTER THE AUTONOMIC BALANCE WITH INCREASED SYMPATHETIC ACTIVITY REFLECTED IN ALTERED HEART RATE VARIABILITY (HRV). IT HAS BEEN PROPOSED THAT YOGA CAN BE USEFUL TO CORRECT THE AUTONOMIC IMBALANCE IN PATIENTS WITH CHRONIC PAIN WHO HAVE REDUCED HRV. METHODS AND DESIGNS: IN THE PRESENT RANDOMIZED CONTROLLED TRIAL 62 PATIENTS WITH CHRONIC LOW BACK PAIN ASSOCIATED WITH ALTERED ALIGNMENT OF INTERVERTEBRAL DISCS (AGED BETWEEN 20 AND 45 YEARS, 32 MALES) WERE RANDOMIZED TO 2 GROUPS. ONE GROUP RECEIVED YOGA FOR 3 MONTHS WHILE THE OTHER GROUP CARRIED OUT STANDARD MEDICAL CARE BASED ON THE PHYSICIAN'S ADVICE. THE DURATION WAS THE SAME, I.E., 3 MONTHS. THE HEART RATE VARIABILITY AND RATE OF RESPIRATION WERE ASSESSED AT BASELINE AND AT THE END OF 3 MONTHS. RESULTS: THERE WAS A SIGNIFICANT DIFFERENCE IN THE BASELINE (PRE) VALUES BETWEEN GROUPS (P = 0.008) FOR RESPIRATION RATE WHICH WAS HIGHER IN THE YOGA GROUP. THE CHANGES REPORTED BELOW ARE PRE-POST COMPARISONS WITHIN EACH GROUP. THE YOGA GROUP SHOWED A SIGNIFICANT (P < 0.05; REPEATED MEASURES ANOVA, POST-HOC ANALYSES) DECREASE IN THE LF POWER OF HRV, RATE OF RESPIRATION AND A SIGNIFICANT INCREASE IN THE HF POWER OF HRV AND IN THE PNN50. CONCLUSION: THE RESULTS SUGGEST THAT YOGA PRACTICE CAN SHIFT THE AUTONOMIC BALANCE TOWARDS VAGAL DOMINANCE IN PATIENTS WITH CHRONIC LOW BACK PAIN ASSOCIATED WITH ALTERED ALIGNMENT OF INTERVERTEBRAL DISCS. TRIAL REGISTRATION: THE STUDY IS REGISTERED WITH THE CLINICAL TRIALS REGISTRY OF INDIA ( CTRI/2012/11/003094 ) AND CAN BE ACCESSED AT. 2016 18 1350 37 IMMEDIATE CHANGES IN MUSCLE STRENGTH AND MOTOR SPEED FOLLOWING YOGA BREATHING. THE PRESENT STUDY WAS CONDUCTED TO ASSESS THE IMMEDIATE EFFECT OF HIGH-FREQUENCY YOGA BREATHING ON MUSCLE STRENGTH AND MOTOR SPEED. BILATERAL HANDGRIP STRENGTH, LEG AND BACK STRENGTH, FINGER TAPPING AND ARM TAPPING SPEED WERE ASSESSED IN FIFTY MALE PARTICIPANTS (GROUP MEAN AGE +/- SD, 26.9 +/- 6.2 YEARS) BEFORE AND AFTER (A) HIGH FREQUENCY YOGA BREATHING FOR 15 MINUTES AND (B) BREATH AWARENESS FOR THE SAME DURATION. SESSIONS (A) AND (B) WERE ON TWO DIFFERENT DAYS BUT AT THE SAME TIME OF THE DAY. THE SCHEDULE WAS ALTERNATED FOR DIFFERENT PARTICIPANTS. THERE WAS A SIGNIFICANT INCREASE (P < 0.05) IN RIGHT HAND GRIP STRENGTH AFTER HIGH FREQUENCY YOGA BREATHING. BOTH FINGER AND ARM TAPPING IMPROVED AFTER BOTH PRACTICES. THE RESULTS SUGGEST A ROLE FOR HIGH FREQUENCY YOGA BREATHING IN IMPROVING THE HAND GRIP STRENGTH AS AN IMMEDIATE EFFECT. 2014 19 2135 40 THE EFFECTS OF A YOGA EXERCISE AND NUTRITIONAL GUIDANCE PROGRAM ON PREGNANCY OUTCOMES AMONG HEALTHY PREGNANT JAPANESE WOMEN: A STUDY PROTOCOL FOR A RANDOMIZED CONTROLLED TRIAL. OBJECTIVES: THIS REPORT PROVIDES AN EXPERIMENTAL PROTOCOL FOR A STUDY DESIGNED TO VERIFY THE EFFECTS OF YOGA EXERCISE AND A NUTRITIONAL GUIDANCE PROGRAM DURING PREGNANCY ON SEVERAL KEY PREGNANCY AND BIRTH OUTCOMES AMONG JAPANESE WOMEN. DESIGN: THIS IS A STUDY PROTOCOL OF A RANDOMIZED CONTROLLED TRIAL. SETTING/LOCATION: THIS INTERVENTION WILL BE CARRIED OUT IN A UNIVERSITY HOSPITAL IN TOKYO. SUBJECTS: HEALTHY PRIMIPAROUS WOMEN WILL BE RECRUITED AT 18-23 GESTATIONAL WEEKS IN THE HOSPITAL. A TOTAL OF 400 PARTICIPANTS WILL BE RANDOMLY ASSIGNED TO ONE OF FOUR GROUPS IN THIS TRIAL, WITH 100 PARTICIPANTS IN EACH GROUP-GROUP WITH YOGA EXERCISE, WITH NUTRITIONAL GUIDANCE, WITH BOTH YOGA AND NUTRITIONAL GUIDANCE, AND WITH STANDARD CARE ALONE, AS THE CONTROL GROUP. YOGA EXERCISE CONSISTS OF YOGA CLASSES HELD AT THE HOSPITAL 3 OR 5 DAYS A MONTH, DURATION 60 MIN, AND HOME PRACTICE USING A DIGITAL VIDEO DISK, DURATION 30 OR 60 MIN PER SESSION. WE RECOMMEND PARTICIPANTS DO YOGA AT LEAST 3 DAYS A WEEK FOR A TOTAL OF 60 MIN PER DAY. NUTRITIONAL GUIDANCE IS BASED ON INDIVIDUAL DIETARY INTAKE ASSESSED USING A BRIEF-TYPE DIET HISTORY QUESTIONNAIRE. RESULTS: THE PRIMARY OUTCOME IS RATE OF PREGNANT WOMEN WITH ADEQUATE GESTATIONAL WEIGHT GAIN. SECONDARY OUTCOMES INCLUDE PHYSIOLOGIC AND PSYCHOLOGIC STATUS ASSESSED VIA BIOMARKERS AND HEALTH-RELATED SCALES, DIETARY NUTRITION INTAKE, AND BIRTH OUTCOMES. CONCLUSIONS: THIS STUDY SHOWS THE EFFECTS OF A YOGA EXERCISE AND NUTRITIONAL INTERVENTION. IF THE INTERVENTION IS FOUND TO BE EFFECTIVE, OUR RESULTS WILL BE USEFUL FOR HEALTHCARE PROVIDERS AND PREGNANT WOMEN. 2018 20 98 44 A NONRANDOMIZED NON-NAIVE COMPARATIVE STUDY OF THE EFFECTS OF KAPALABHATI AND BREATH AWARENESS ON EVENT-RELATED POTENTIALS IN TRAINED YOGA PRACTITIONERS. OBJECTIVES: THE STUDY WAS CONDUCTED TO COMPARE THE P300 EVENT-RELATED POTENTIALS RECORDED BEFORE AND AFTER (1) HIGH-FREQUENCY YOGA BREATHING (HFYB) AND (2) BREATH AWARENESS. DESIGN: THE P300 WAS RECORDED IN PARTICIPANTS OF TWO GROUPS BEFORE AND AFTER THE INTERVENTION SESSION (1 MINUTE IN DURATION). SETTINGS AND LOCATION: ALL PARTICIPANTS WERE RECEIVING YOGA TRAINING IN A RESIDENTIAL YOGA CENTER, SWAMI VIVEKANADA YOGA RESEARCH FOUNDATION IN BANGALORE, INDIA. SUBJECTS: THIRTY (30) MALE PARTICIPANTS FORMED TWO GROUPS (N = 15 EACH) WITH COMPARABLE AGES (WITHIN AN AGE RANGE OF 20-35 YEARS) AND COMPARABLE EXPERIENCE OF THE TWO TECHNIQUES, THE MINIMUM EXPERIENCE BEING 3 MONTHS. INTERVENTIONS: THE TWO GROUPS WERE EACH GIVEN A SEPARATE INTERVENTION. ONE GROUP PRACTICED A HFYB AT A FREQUENCY OF APPROXIMATELY 2.0 HZ, CALLED KAPALABHATI. THE OTHER GROUP PRACTICED BREATH AWARENESS DURING WHICH PARTICIPANTS WERE AWARE OF THEIR BREATH WHILE SEATED, RELAXED. OUTCOME MEASURES: THE P300 EVENT-RELATED POTENTIAL, WHICH IS GENERATED WHEN ATTENDING TO AND DISCRIMINATING BETWEEN AUDITORY STIMULI, WAS RECORDED BEFORE AND AFTER BOTH TECHNIQUES. RESULTS: THE P300 PEAK LATENCY DECREASED AFTER HFYB AND THE P300 PEAK AMPLITUDE INCREASED AFTER BREATH AWARENESS. CONCLUSIONS: BOTH PRACTICES (HFYB AND BREATH AWARENESS), THOUGH VERY DIFFERENT, INFLUENCED THE P300. HFYB REDUCED THE PEAK LATENCY, SUGGESTING A DECREASE IN TIME NEEDED FOR THIS TASK, WHICH REQUIRES SELECTIVE ATTENTION. BREATH AWARENESS INCREASED THE P300 PEAK AMPLITUDE, SUGGESTING AN INCREASE IN THE NEURAL RESOURCES AVAILABLE FOR THE TASK. 2009