1 1357 85 IMMEDIATE EFFECT OF TWO YOGA-BASED RELAXATION TECHNIQUES ON PERFORMANCE IN A LETTER-CANCELLATION TASK. THE PERFORMANCE IN A SIX-LETTER CANCELLATION TASK WAS ASSESSED WITH 69 MALE VOLUNTEERS, AGES 18 TO 48 YEARS, IMMEDIATELY BEFORE AND AFTER TWO YOGA-BASED RELAXATION TECHNIQUES AND A CONTROL SESSION OF EQUAL DURATION. THE TECHNIQUES WERE CYCLIC MEDITATION AND SUPINE REST. CYCLIC MEDITATION CONSISTS OF ALTERNATING CYCLES OF YOGA POSTURES AND SUPINE REST. AFTER BOTH PRACTICES, THE NET SCORES WERE SIGNIFICANTLY HIGHER, ALTHOUGH THE MAGNITUDE OF CHANGE WAS MORE AFTER CYCLIC MEDITATION THAN AFTER SUPINE REST (24.9% VERSUS 13.6%). THERE WAS REDUCTION IN SCORES FOR WRONG CANCELLATIONS AFTER CYCLIC MEDITATION AND NOT AFTER SUPINE REST. THE CONTROL GROUP SHOWED NO CHANGE. THE RESULTS SUGGEST THAT CYCLIC MEDITATION BRINGS ABOUT A GREATER IMPROVEMENT IN PERFORMANCE IN THIS TASK, WHICH REQUIRES SELECTIVE ATTENTION, CONCENTRATION, VISUAL SCANNING ABILITIES, AND A REPETITIVE MOTOR RESPONSE. 2007 2 1355 43 IMMEDIATE EFFECT OF TWO YOGA-BASED RELAXATION TECHNIQUES ON ATTENTION IN CHILDREN. AIMS: TO INVESTIGATE THE EFFECT OF TWO YOGA-BASED RELAXATION TECHNIQUES, NAMELY, CYCLIC MEDITATION (CM) AND SUPINE REST (SR), USING THE SIX LETTER CANCELLATION TASK (SLCT). MATERIALS AND METHODS: THE SUBJECTS CONSISTED OF 208 SCHOOL STUDENTS, (132 BOYS, 76 GIRLS) IN THE AGE RANGE OF 13 - 16 YEARS. THE SUBJECTS WERE ASSESSED ON SLCT BEFORE AND IMMEDIATELY AFTER BOTH YOGA-BASED RELAXATION TECHNIQUES. RESULTS: AFTER BOTH PRACTICES, THE TOTAL AND NET SCORES WERE SIGNIFICANTLY INCREASED, ALTHOUGH THE MAGNITUDE OF CHANGE WAS MORE AFTER CM THAN AFTER SR IN THE NET SCORES (14.5 VERSUS 11.31%). THE NET SCORE CHANGE IN THE CM SESSION WAS SIGNIFICANTLY LARGER THAN THE CHANGE IN THE SR, WHEREAS, THERE WAS NO SIGNIFICANT CHANGE IN THE WRONG CANCELLATION SCORE. AFTER EITHER PRACTICE, THE TOTAL AND NET SCORES WERE SIGNIFICANTLY INCREASED, IRRESPECTIVE OF GENDER AND AGE. CONCLUSIONS: BOTH CM AND SR LED TO IMPROVEMENT IN PERFORMANCE, AS ASSESSED BY SLCT, BUT THE CHANGE CAUSED BY CM WAS LARGER THAN SR. 2010 3 1728 40 PERFORMANCE ON PSYCHOMOTOR TASKS FOLLOWING TWO YOGA-BASED RELAXATION TECHNIQUES. PREVIOUSLY CYCLIC MEDITATION AND SUPINE REST HAVE BEEN SHOWN TO IMPROVE PERFORMANCE IN A LETTER CANCELLATION TASK REQUIRING ATTENTION, VISUAL SCANNING, AND MOTOR SPEED. THE PRESENT STUDY ASSESSED THE PERFORMANCE IN 57 VOLUNTEERS (ALL MALE, M AGE = 26.5 YR., SD = 4.6) IN THREE TASKS, VIZ., A DIGIT-LETTER SUBSTITUTION TASK (DLST), A LETTER-COPYING TASK, AND A CIRCLE-DOTTING TASK. THE DLST ASSESSED ATTENTION AND SPEED OF INFORMATION PROCESSING, WHILE THE OTHER 2 TESTS ASSESSED MOTOR SPEED. EACH PARTICIPANT WAS ASSESSED BEFORE AND AFTER THREE TYPES OF SESSIONS: CYCLIC MEDITATION, SUPINE REST, AND CONTROL (NO INTERVENTION). DLST SCORES AND SCORES FOR LETTER-COPYING AND CIRCLE-DOTTING TASKS IMPROVED SIGNIFICANTLY AFTER CYCLIC MEDITATION; THE SAME SCORES ALSO IMPROVED AFTER SUPINE REST. THERE WAS NO CHANGE AFTER THE NO-INTERVENTION/CONTROL SESSION. FROM THE RESULTS IT WAS DIFFICULT TO CONCLUDE WHETHER IMPROVED DLST SCORES AFTER CYCLIC MEDITATION WERE DUE TO BETTER INFORMATION PROCESSING SPEED OR IMPROVED MOTOR SPEED. 2009 4 768 52 EFFECT OF TWO YOGA-BASED RELAXATION TECHNIQUES ON MEMORY SCORES AND STATE ANXIETY. BACKGROUND: A YOGA PRACTICE INVOLVING CYCLES OF YOGA POSTURES AND SUPINE REST (CALLED CYCLIC MEDITATION) WAS PREVIOUSLY SHOWN TO IMPROVE PERFORMANCE IN ATTENTION TASKS MORE THAN RELAXATION IN THE CORPSE POSTURE (SHAVASANA). THIS WAS ASCRIBED TO REDUCED ANXIETY, THOUGH THIS WAS NOT ASSESSED. METHODS: IN FIFTY-SEVEN MALE VOLUNTEERS (GROUP AVERAGE AGE +/- S.D., 26.6 +/- 4.5 YEARS) THE IMMEDIATE EFFECT OF TWO YOGA RELAXATION TECHNIQUES WAS STUDIED ON MEMORY AND STATE ANXIETY. ALL PARTICIPANTS WERE ASSESSED BEFORE AND AFTER (I) CYCLIC MEDITATION (CM) PRACTICED FOR 22:30 MINUTES ON ONE DAY AND (II) AN EQUAL DURATION OF SUPINE REST (SR) OR THE CORPSE POSTURE (SHAVASANA), ON ANOTHER DAY. SECTIONS OF THE WECHSLER MEMORY SCALE (WMS) WERE USED TO ASSESS; (I) ATTENTION AND CONCENTRATION (DIGIT SPAN FORWARD AND BACKWARD), AND (II) ASSOCIATE LEARNING. STATE ANXIETY WAS ASSESSED USING SPIELBERGER'S STATE-TRAIT ANXIETY INVENTORY (STAI). RESULTS: THERE WAS A SIGNIFICANT IMPROVEMENT IN THE SCORES OF ALL SECTIONS OF THE WMS STUDIED AFTER BOTH CM AND SR, BUT, THE MAGNITUDE OF CHANGE WAS MORE AFTER CM COMPARED TO AFTER SR. THE STATE ANXIETY SCORES DECREASED AFTER BOTH CM AND SR, WITH A GREATER MAGNITUDE OF DECREASE AFTER CM. THERE WAS NO CORRELATION BETWEEN PERCENTAGE CHANGE IN MEMORY SCORES AND STATE ANXIETY FOR EITHER SESSION. CONCLUSION: A CYCLICAL COMBINATION OF YOGA POSTURES AND SUPINE REST IN CM IMPROVED MEMORY SCORES IMMEDIATELY AFTER THE PRACTICE AND DECREASED STATE ANXIETY MORE THAN REST IN A CLASSICAL YOGA RELAXATION POSTURE (SHAVASANA). 2009 5 868 42 EFFECT OF YOGA RELAXATION TECHNIQUES ON PERFORMANCE OF DIGIT-LETTER SUBSTITUTION TASK BY TEENAGERS. BACKGROUND/AIMS: MEMORY AND SELECTIVE ATTENTION ARE IMPORTANT SKILLS FOR ACADEMIC AND PROFESSIONAL PERFORMANCE. TECHNIQUES TO IMPROVE THESE SKILLS ARE NOT TAUGHT EITHER IN EDUCATION OR COMPANY TRAINING COURSES. ANY SYSTEM WHICH CAN SYSTEMATICALLY IMPROVE THESE SKILLS WILL BE OF VALUE IN SCHOOLS, UNIVERSITIES, AND WORKPLACES. AIMS: TO INVESTIGATE POSSIBLE IMPROVEMENTS IN MEMORY AND SELECTIVE ATTENTION, AS MEASURED BY THE DIGIT-LETTER SUBSTITUTION TASK (DLST), DUE TO PRACTICE OF CYCLIC MEDITATION (CM), A YOGA RELAXATION TECHNIQUE, AS COMPARED TO SUPINE REST (SR). MATERIALS AND METHODS: SUBJECTS CONSISTED OF 253 SCHOOL STUDENTS, 156 BOYS, 97 GIRLS, IN THE AGE RANGE 13-16 YEARS, WHO WERE ATTENDING A 10-DAY YOGA TRAINING COURSE DURING SUMMER VACATION. THE SELECTED SUBJECTS HAD ENGLISH AS THEIR MEDIUM OF INSTRUCTION IN SCHOOL AND THEY ACTED AS THEIR OWN CONTROLS. THEY WERE ALLOCATED TO TWO GROUPS, AND TESTED ON THE DLST, IMMEDIATELY BEFORE AND AFTER 22.5 MINUTES PRACTICE OF CM ON ONE DAY, AND IMMEDIATELY BEFORE AND AFTER AN EQUAL PERIOD OF SR ON THE OTHER DAY. THE FIRST GROUP PERFORMED CM ON DAY 9 AND SR ON DAY 10. FOR THE SECOND GROUP, THE ORDER WAS REVERSED. RESULTS: WITHIN EACH GROUP PRE-POST TEST DIFFERENCES WERE SIGNIFICANT FOR BOTH THE RELAXATION TECHNIQUES. THE MAGNITUDE OF NET SCORE IMPROVEMENT WAS GREATER AFTER SR (7.85%) COMPARED TO CM (3.95%). SIGNIFICANCE LEVELS WERE P < 0.4 X 10(-9)FOR SR AND P < 0.1 X 10(-3) FOR CM. THE NUMBER OF WRONG ATTEMPTS ALSO INCREASED SIGNIFICANTLY ON BOTH INTERVENTIONS, EVEN AFTER REMOVING TWO OUTLIER DATA POINTS ON DAY 1 IN THE SR GROUP. CONCLUSIONS: BOTH CM AND SR LEAD TO IMPROVEMENT IN PERFORMANCE ON THE DLST. HOWEVER, THESE RELAXATION TECHNIQUES LEAD TO MORE WRONG CANCELLATION ERRORS. 2009 6 1692 36 OXYGEN CONSUMPTION AND RESPIRATION FOLLOWING TWO YOGA RELAXATION TECHNIQUES. THE PRESENT STUDY WAS CONDUCTED TO EVALUATE A STATEMENT IN ANCIENT YOGA TEXTS THAT SUGGESTS THAT A COMBINATION OF BOTH "CALMING" AND "STIMULATING" MEASURES MAY BE ESPECIALLY HELPFUL IN REACHING A STATE OF MENTAL EQUILIBRIUM. TWO YOGA PRACTICES, ONE COMBINING "CALMING AND STIMULATING" MEASURES (CYCLIC MEDITATION) AND THE OTHER, A "CALMING" TECHNIQUE (SHAVASAN), WERE COMPARED. THE OXYGEN CONSUMPTION, BREATH RATE, AND BREATH VOLUME OF 40 MALE VOLUNTEERS (GROUP MEAN +/- SD, 27.0 +/- 5.7 YEARS) WERE ASSESSED BEFORE AND AFTER SESSIONS OF CYCLIC MEDITATION (CM) AND BEFORE AND AFTER SESSIONS OF SHAVASAN (SH). THE 2 SESSIONS (CM, SH) WERE 1 DAY APART. CYCLIC MEDITATION INCLUDES THE PRACTICE OF YOGA POSTURES INTERSPERSED WITH PERIODS OF SUPINE RELAXATION. DURING SH THE SUBJECT LIES IN A SUPINE POSITION THROUGHOUT THE PRACTICE. THERE WAS A SIGNIFICANT DECREASE IN THE AMOUNT OF OXYGEN CONSUMED AND IN BREATH RATE AND AN INCREASE IN BREATH VOLUME AFTER BOTH TYPES OF SESSIONS (2-FACTOR ANOVA, PAIRED T TEST). HOWEVER, THE MAGNITUDE OF CHANGE ON ALL 3 MEASURES WAS GREATER AFTER CM: (1) OXYGEN CONSUMPTION DECREASED 32.1% AFTER CM COMPARED WITH 10.1% AFTER SH; (2) BREATH RATE DECREASED 18.0% AFTER CM AND 15.2% AFTER SH; AND (3) BREATH VOLUME INCREASED 28.8% AFTER CM AND 15.9% AFTER SH. THESE RESULTS SUPPORT THE IDEA THAT A COMBINATION OF YOGA POSTURES INTERSPERSED WITH RELAXATION REDUCES AROUSAL MORE THAN RELAXATION ALONE DOES. 2000 7 1351 34 IMMEDIATE EFFECT OF A YOGA BREATHING PRACTICE ON ATTENTION AND ANXIETY IN PRE-TEEN CHILDREN. PRE-TEEN CHILDREN FACE STRESSORS RELATED TO THEIR TRANSITION FROM CHILDHOOD TO ADOLESCENCE, WITH A SIMULTANEOUS INCREASE IN ACADEMIC PRESSURE. THE PRESENT STUDY COMPARED THE IMMEDIATE EFFECTS OF 18 MIN OF (I) HIGH FREQUENCY YOGA BREATHING WITH (II) YOGA-BASED BREATH AWARENESS AND (III) SITTING QUIETLY, ON (A) ATTENTION AND (B) ANXIETY, IN 61 PRE-TEEN CHILDREN (AGED BETWEEN 11 AND 12 YEARS; 25 GIRLS). ATTENTION WAS ASSESSED USING A SIX LETTER CANCELLATION TASK AND SPIELBERGER'S STATE TRAIT ANXIETY INVENTORY STAI-S WAS USED TO MEASURE ANXIETY BEFORE AND AFTER THE THREE PRACTICES, PRACTICED ON SEPARATE DAYS. REPEATED MEASURES ANOVA, FOLLOWED BY BONFERRONI ADJUSTED POST-HOC ANALYSES SHOWED AN INCREASE IN TOTAL ATTEMPTS AND NET SCORES AFTER HIGH FREQUENCY YOGA BREATHING (P < 0.05), WHILE WRONG ATTEMPTS INCREASED AFTER YOGA BASED BREATH AWARENESS (P < 0.05). ANXIETY DECREASED COMPARABLY AFTER ALL THREE INTERVENTIONS. THE 25 GIRLS IN THE GROUP HAD THE SAME TREND OF RESULTS AS THE WHOLE GROUP WITH RESPECT TO THE ATTENTION-BASED CANCELLATION TASK, WHILE BOYS SHOWED NO, HOW SINCE CHANGE. FOR BOTH GIRLS AND BOYS, ANXIETY DECREASED AFTER ALL THREE 18MIN INTERVENTIONS. THE RESULTS SUGGEST THAT HIGH FREQUENCY YOGA BREATHING COULD BE A SHORT, USEFUL SCHOOL BASED PRACTICE TO IMPROVE ATTENTION AND REDUCE ANXIETY. 2019 8 1691 34 OXYGEN CONSUMPTION AND RESPIRATION DURING AND AFTER TWO YOGA RELAXATION TECHNIQUES. CYCLIC MEDITATION (CM) IS A TECHNIQUE WHICH COMBINES "STIMULATING" AND "CALMING" PRACTICES, BASED ON A STATEMENT IN ANCIENT YOGA TEXTS SUGGESTING THAT SUCH A COMBINATION MAY BE ESPECIALLY HELPFUL TO REACH A STATE OF MENTAL EQUILIBRIUM. THE OXYGEN CONSUMPTION, BREATH RATE AND BREATH VOLUME OF 50 MALE VOLUNTEERS (GROUP MEAN AGE+/-SD, 27+/-6.3 YEARS) WERE ASSESSED BEFORE, DURING, AND AFTER SESSIONS OF CM AND SESSIONS OF SUPINE REST IN THE CORPSE POSTURE (SHAVASANA, SH). THE SESSIONS WERE ONE DAY APART AND THE ORDER WAS ALTERNATED. THE OXYGEN CONSUMPTION, BREATH RATE AND BREATH VOLUME INCREASED DURING THE "STIMULATING" PRACTICES OF CM, RETURNED TO THE BASELINE DURING THE "CALMING" PRACTICES, AND THE OXYGEN CONSUMPTION DECREASED BY 19.3 PERCENT BELOW BASELINE VALUES AFTER CM. DURING THE SH SESSION THE OXYGEN CONSUMPTION, BREATH RATE AND BREATH VOLUME REDUCED; HOWEVER THE DECREASE IN OXYGEN CONSUMPTION AFTER SH WAS LESS THAN AFTER CM (I.E., 4.8 PERCENT). THE RESULTS SUPPORT THE IDEA THAT A COMBINATION OF YOGA POSTURES WITH SUPINE REST (IN CM) REDUCES THE OXYGEN CONSUMPTION MORE THAN RESTING SUPINE ALONE DOES. 2006 9 785 43 EFFECT OF YOGA BASED TECHNIQUES ON STRESS AND HEALTH INDICES USING ELECTRO PHOTONIC IMAGING TECHNIQUE IN MANAGERS. BACKGROUND: MEDITATION TECHNIQUES ARE KNOWN TO ELICIT RELAXATION RESPONSE IN WHICH MOVING MEDITATION WHICH COMBINES THE PRACTICE OF YOGA POSTURES AND GUIDED RELAXATION IS KNOWN AS CYCLIC MEDITATION REPORTED HELPFUL IN REDUCING THE SYMPATHETIC AROUSAL AND IMPROVING HEALTH OF PRACTITIONERS. OBJECTIVES: THE OBJECTIVE OF THIS STUDY WAS TO INVESTIGATE THE EFFECT OF CYCLIC MEDITATION ON STRESS AND HEALTH INDICES IN MANAGERS AS MEASURED BY ELECTRO PHOTONIC IMAGING (EPI) TECHNIQUE. MATERIALS AND METHODS: EPI TECHNIQUE WAS USED TO ASSESS PARTICIPANTS BEFORE AND AFTER 35 MIN OF CYCLIC MEDITATION (CM) AND EQUAL DURATION OF SUPINE REST (SR) SESSION. A TOTAL OF SIXTY SIX MALE MANAGERS, AGE RANGES FROM 35 TO 60 YEARS (MEAN +/- SD 53.97 +/- 5.96) WERE INCLUDED IN THE STUDY. EPI PARAMETERS, INCLUDING ACTIVATION COEFFICIENT, INTEGRAL AREA LEFT AND RIGHT AND INTEGRAL ENTROPY, LEFT AND RIGHT WERE TAKEN FOR STATISTICAL ANALYSES. RESULTS: CYCLIC MEDITATION HAS PRODUCED A HIGHLY SIGNIFICANT REDUCTION IN STRESS LEVEL, WHEREAS THIS REDUCTION WAS NOT FOUND SIGNIFICANT WITHIN SR GROUP. THERE WAS A SIGNIFICANT IMPROVEMENT IN HEALTH INDEX 'INTEGRAL AREA' VALUES IN BOTH LEFT AND RIGHT SIDES WITHIN THE CM GROUP WHILE ONLY IA RIGHT SIDE SHOWED A SIGNIFICANT IMPROVEMENT WITHIN THE CM GROUP. THE INTEGRAL ENTROPY VALUE RIGHT SIDE DECREASED SIGNIFICANTLY WITHIN THE CM GROUP, WHEREAS IE LEFT WAS FOUND DETERIORATED WITHIN THE SR GROUP. MOREOVER, ONLY IE LEFT SIDE HAS SHOWN A SIGNIFICANT DIFFERENCE BETWEEN THE GROUPS. CONCLUSION: THE INVESTIGATIONS IN THIS STUDY SUGGEST THAT CYCLIC MEDITATION PRACTICE REDUCES STRESS AND IMPROVES PSYCHOSOMATIC HEALTH INDICES MORE EFFECTIVELY THAN SUPINE REST IN MANAGERS. 2016 10 1354 31 IMMEDIATE EFFECT OF THREE YOGA BREATHING TECHNIQUES ON PERFORMANCE ON A LETTER-CANCELLATION TASK. THE EFFECTS OF THREE YOGA BREATHING PRACTICES WERE EVALUATED ON PERFORMANCE ON A LETTER-CANCELLATION TASK WHICH IS A LEFT-HEMISPHERE DOMINANT TASK. THE THREE YOGA BREATHING PRACTICES (RIGHT, LEFT, AND ALTERNATE NOSTRIL BREATHING) WERE SELECTED BECAUSE UNILATERAL FORCED NOSTRIL BREATHING STIMULATES THE CONTRALATERAL HEMISPHERE. THERE WERE 20 MALE VOLUNTEERS WHOSE AGES RANGED FROM 20 TO 45 YEARS (M AGE=28.4 YR., SD=5.7). ALL SUBJECTS WERE ASSESSED BEFORE AND AFTER FOUR SESSIONS, I.E., RIGHT NOSTRIL YOGA BREATHING, LEFT NOSTRIL YOGA BREATHING, ALTERNATE NOSTRIL YOGA BREATHING, AND BREATH AWARENESS AS A CONTROL. THE LETTER-CANCELLATION TASK SCORES WERE SIGNIFICANTLY IMPROVED, I.E., THERE WERE FEWER ERRORS FOLLOWING RIGHT AND ALTERNATE NOSTRIL YOGA BREATHING (WILCOXON PAIRED SIGNED-RANKS TEST). THE IMPROVED PERFORMANCE MAY BE RELATED TO THE ENHANCEMENT OF CONTRALATERAL HEMISPHERE FUNCTION FOUND WITH SELECTIVE NOSTRIL BREATHING. 2007 11 1261 37 FINGER DEXTERITY AND VISUAL DISCRIMINATION FOLLOWING TWO YOGA BREATHING PRACTICES. BACKGROUND: PRACTICING YOGA HAS BEEN SHOWN TO IMPROVE MOTOR FUNCTIONS AND ATTENTION. THOUGH ATTENTION IS REQUIRED FOR FINE MOTOR AND DISCRIMINATION TASKS, THE EFFECT OF YOGA BREATHING TECHNIQUES ON FINE MOTOR SKILLS AND VISUAL DISCRIMINATION HAS NOT BEEN ASSESSED. AIM: TO STUDY THE EFFECT OF YOGA BREATHING TECHNIQUES ON FINGER DEXTERITY AND VISUAL DISCRIMINATION. MATERIALS AND METHODS: THE PRESENT STUDY CONSISTED OF ONE HUNDRED AND FORTY SUBJECTS WHO HAD ENROLLED FOR STRESS MANAGEMENT. THEY WERE RANDOMLY DIVIDED INTO TWO GROUPS, ONE GROUP PRACTICED HIGH FREQUENCY YOGA BREATHING WHILE THE OTHER GROUP PRACTICED BREATH AWARENESS. HIGH FREQUENCY YOGA BREATHING (KAPALABHATI, BREATH RATE 1.0 HZ) AND BREATH AWARENESS ARE TWO YOGA PRACTICES WHICH IMPROVE ATTENTION. THE IMMEDIATE EFFECT OF HIGH FREQUENCY YOGA BREATHING AND BREATH AWARENESS (I) WERE ASSESSED ON THE PERFORMANCE ON THE O'CONNOR FINGER DEXTERITY TASK AND (II) (IN) A SHAPE AND SIZE DISCRIMINATION TASK. RESULTS: THERE WAS A SIGNIFICANT IMPROVEMENT IN THE FINGER DEXTERITY TASK BY 19% AFTER KAPALABHATI AND 9% AFTER BREATH AWARENESS (P<0.001 IN BOTH CASES, REPEATED MEASURES ANOVA AND POST-HOC ANALYSES). THERE WAS A SIGNIFICANT REDUCTION (P<0.001) IN ERROR (41% AFTER KAPALABHATI AND 21% AFTER BREATH AWARENESS) AS WELL AS TIME TAKEN TO COMPLETE THE SHAPE AND SIZE DISCRIMINATION TEST (15% AFTER KAPALABHATI AND 15% AFTER BREATH AWARENESS; P<0.001) WAS ALSO OBSERVED. CONCLUSION: BOTH KAPALABAHATI AND BREATH AWARENESS CAN IMPROVE FINE MOTOR SKILLS AND VISUAL DISCRIMINATION, WITH A GREATER MAGNITUDE OF CHANGE AFTER KAPALABHATI. 2012 12 2863 33 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 13 1350 30 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 14 523 29 COMPARISON OF CHANGES IN AUTONOMIC AND RESPIRATORY PARAMETERS OF GIRLS AFTER YOGA AND GAMES AT A COMMUNITY HOME. THE HEART RATE, BREATHING RATE, AND SKIN RESISTANCE WERE RECORDED FOR 20 COMMUNITY HOME GIRLS (HOME GROUP) AND FOR 20 AGE-MATCHED GIRLS FROM A REGULAR SCHOOL (SCHOOL GROUP). THE FORMER GROUP HAD A SIGNIFICANTLY HIGHER RATE OF BREATHING AND A MORE IRREGULAR BREATH PATTERN KNOWN TO CORRELATE WITH HIGH FEAR AND ANXIETY, THAN THE SCHOOL GROUP. SKIN RESISTANCE WAS SIGNIFICANTLY LOWER IN THE SCHOOL GROUP, WHICH MAY SUGGEST GREATER AROUSAL, 28 GIRLS OF THE HOME GROUP FORMED 14 PAIRS, MATCHED FOR AGE AND DURATION OF STAY IN THE HOME. SUBJECTS OF A PAIR WERE RANDOMLY ASSIGNED TO EITHER YOGA OR GAMES GROUPS. FOR THE FORMER EMPHASIS WAS ON RELAXATION AND AWARENESS, WHEREAS FOR THE LATTER INCREASING PHYSICAL ACTIVITY WAS EMPHASIZED. AT THE END OF AN HOUR DAILY FOR SIX MONTHS BOTH GROUPS SHOWED A SIGNIFICANT DECREASE IN THE RESTING HEART RATE RELATIVE TO INITIAL VALUES (WILCOXON PAIRED-SAMPLE REST), AND THE YOGA GROUP SHOWED A SIGNIFICANT DECREASE IN BREATH RATE, WHICH APPEARED MORE REGULAR BUT NO SIGNIFICANT INCREASE IN THE SKIN RESISTANCE. THESE RESULTS SUGGEST THAT A YOGA PROGRAM WHICH INCLUDES RELAXATION, AWARENESS, AND GRADED PHYSICAL ACTIVITY IS A USEFUL ADDITION TO THE ROUTINE OF COMMUNITY HOME CHILDREN. 1997 15 1727 28 PERFORMANCE IN A SUBSTITUTION TASK AND STATE ANXIETY FOLLOWING YOGA IN ARMY RECRUITS. 140 MEN (M AGE = 30.3 YR., SD = 5.7) FROM THE INDIAN ARMY IN NORTH INDIA PARTICIPATED IN THE STUDY. THEY WERE NAIVE TO YOGA AND WERE ASSIGNED TO YOGA AND BREATH AWARENESS GROUPS RANDOMLY, WITH 70 IN EACH GROUP. 20 HEALTHY MALES OF COMPARABLE AGE (M AGE = 33.7 YR., SD = 7.0) FORMED A COMPARISON GROUP. THEIR PERFORMANCE IN A DIGIT-LETTER SUBSTITUTION TASK AND A STATE ANXIETY SUBSCALE WAS ASSESSED IMMEDIATELY BEFORE AND AFTER TWO 45-MIN. SESSIONS. THE TWO GROUPS OF SOLDIERS PRACTICED EITHER YOGA OR BREATH AWARENESS. THE COMPARISON GROUP LISTENED TO MEDITATION MUSIC. DIGIT-LETTER SUBSTITUTION SCORES INCREASED IN BOTH GROUPS OF ARMY PERSONNEL AND IN THE COMPARISON GROUP. STATE ANXIETY DECREASED AFTER YOGA AND LISTENING TO MEDITATION MUSIC, BUT NOT AFTER BREATH AWARENESS. THIS SUGGESTS THAT EVEN IN ARMY PERSONNEL NAIVE TO YOGA, A YOGA-BASED INTERVENTION OR LISTENING TO MEDITATION MUSIC COULD REDUCE ANXIETY WHILE INCREASING PERFORMANCE ON AN ATTENTION TASK. 2012 16 98 31 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 17 463 40 CHANGES IN SHAPE AND SIZE DISCRIMINATION AND STATE ANXIETY AFTER ALTERNATE-NOSTRIL YOGA BREATHING AND BREATH AWARENESS IN ONE SESSION EACH. BACKGROUND YOGA BREATHING TECHNIQUES LIKE HIGH-FREQUENCY YOGA BREATHING (HFYB) AND BREATH AWARENESS (BAW) HAVE BEEN ASSOCIATED WITH IMPROVED PERFORMANCE IN THE SHAPE AND SIZE DISCRIMINATION TASK. A PUBMED SEARCH OF THE LITERATURE REVEALED THAT ALTERNATE-NOSTRIL BREATHING HAS BEEN SHOWN TO IMPROVE PERFORMANCE IN ATTENTION TASKS, BUT THE EFFECT ON TACTILE PERCEPTION HAS NOT BEEN STUDIED. HENCE, THE PRESENT STUDY WAS DESIGNED TO ASSESS THE IMMEDIATE EFFECTS OF ALTERNATE-NOSTRIL YOGA BREATHING (ANYB) COMPARED TO BREATH AWARENESS ON SHAPE AND SIZE DISCRIMINATION AND STATE ANXIETY. MATERIAL AND METHODS FIFTY HEALTHY MALE VOLUNTEERS AGES 20-50 YEARS (GROUP MEAN +/-S.D., 28.4+/-8.2 YEARS) WERE RECRUITED. EACH PARTICIPANT WAS ASSESSED IN 3 SESSIONS CONDUCTED ON 3 SEPARATE DAYS AT THE SAME TIME OF DAY. THE 3 SESSIONS WERE (I) ALTERNATE-NOSTRIL YOGA BREATHING (ANYB), (II) BREATH AWARENESS (BAW), AND (III) QUIET SITTING (QS), AND THE SEQUENCE OF THE SESSIONS WAS RANDOMLY ALLOCATED. THE SHAPE AND SIZE DISCRIMINATION TASK AND STATE ANXIETY WERE ASSESSED BEFORE AND AFTER ALL 3 SESSIONS. REPEATED MEASURES ANALYSIS OF VARIANCE (RM-ANOVA) FOLLOWED BY POST HOC TESTS FOR MULTIPLE COMPARISONS, WHICH WERE BONFERRONI-ADJUSTED, WERE PERFORMED TO COMPARE DATA BEFORE AND AFTER ALL 3 SESSIONS USING SPSS VERSION 18.0. RESULTS THE ERRORS SCORES IN THE SHAPE AND SIZE DISCRIMINATION TASK SHOWED A SIGNIFICANT REDUCTION AFTER THE ANYB SESSION (P<0.001). A SIGNIFICANT REDUCTION WAS FOUND IN THE LEVEL OF STATE ANXIETY AFTER BREATH AWARENESS (P<0.05) AND QUIET SITTING SESSIONS (P<0.001). CONCLUSIONS THE PRESENT RESULTS SUGGEST THAT ANYB: (I) IMPROVES PERFORMANCE IN A TASK WHICH REQUIRES PERCEPTUAL SENSITIVITY AND FOCUSED ATTENTION, BUT (II) DOES NOT REDUCE STATE ANXIETY FOLLOWING THIS TASK. 2019 18 454 35 CHANGES IN MIDLATENCY AUDITORY EVOKED POTENTIALS FOLLOWING TWO YOGA-BASED RELAXATION TECHNIQUES. PRACTICING MEDITATION WHILE FOCUSING ON A SOUND OR A SYMBOL INFLUENCED MIDLATENCY AUDITORY EVOKED POTENTIALS (MLAEPS). CYCLIC MEDITATION (CM) IS A TECHNIQUE COMBINING YOGA POSTURES WITH MEDITATION WHILE SUPINE, WHICH HAS INFLUENCED THE P300 EVENT-RELATED POTENTIAL. THE EFFECTS OF CM ON MLAEPS HAVE NOT BEEN PREVIOUSLY STUDIED. THE MLAEPS WERE STUDIED BEFORE AND AFTER THE PRACTICE OF CM COMPARED TO AN EQUAL DURATION OF SUPINE REST (SR) IN 47 MALE VOLUNTEERS (GROUP MEAN AGE 26.5 +/- 4.4 YEARS), RECORDED FROM THE VERTEX REFERENCED TO LINKED EARLOBES. THE SESSIONS WERE ONE DAY APART AND SUBJECTS WERE RANDOMLY ASSIGNED TO EACH SESSION. THE PA WAVE PEAK LATENCY AND NB WAVE PEAK LATENCY SIGNIFICANTLY INCREASED FOLLOWING CM COMPARED TO BEFORE CM (REPEATED MEASURES ANOVA, POST-HOC ANALYSIS WITH LEAST SIGNIFICANT DIFFERENCE, P<0.05). THERE WAS A SIGNIFICANT INCREASE IN THE PEAK AMPLITUDE OF THE NB WAVE (P<0.05) COMPARED TO BEFORE CM. POST SR THERE WAS A SIGNIFICANT INCREASE IN THE PEAK LATENCY OF THE NA WAVE (P<0.05) COMPARED TO BEFORE SR. IN CONCLUSION FOLLOWING CM THE LATENCIES OF NEURAL GENERATORS CORRESPONDING TO CORTICAL AREAS IS PROLONGED, WHEREAS FOLLOWING SR A SIMILAR CHANGE OCCURS AT MESENCEPHALIC-DIENCEPHALIC LEVELS. 2009 19 1986 33 SPATIAL AND VERBAL MEMORY TEST SCORES FOLLOWING YOGA AND FINE ARTS CAMPS FOR SCHOOL CHILDREN. THE PERFORMANCE SCORES OF CHILDREN (AGED 11 TO 16 YEARS) IN VERBAL AND SPATIAL MEMORY TESTS WERE COMPARED FOR TWO GROUPS (N = 30, EACH), ONE ATTENDING A YOGA CAMP AND THE OTHER A FINE ARTS CAMP. BOTH GROUPS WERE ASSESSED ON THE MEMORY TASKS INITIALLY AND AFTER TEN DAYS OF THEIR RESPECTIVE INTERVENTIONS. A CONTROL GROUP (N = 30) WAS SIMILARLY STUDIED TO ASSESS THE TEST-RETEST EFFECT. AT THE FINAL ASSESSMENT THE YOGA GROUP SHOWED A SIGNIFICANT INCREASE OF 43% IN SPATIAL MEMORY SCORES (MULTIVARIATE ANALYSIS, TUKEY TEST), WHILE THE FINE ARTS AND CONTROL GROUPS SHOWED NO CHANGE. THE RESULTS SUGGEST THAT YOGA PRACTICE, INCLUDING PHYSICAL POSTURES, YOGA BREATHING, MEDITATION AND GUIDED RELAXATION IMPROVED DELAYED RECALL OF SPATIAL INFORMATION. 2004 20 1463 38 INFLUENCE OF YOGA-BASED PERSONALITY DEVELOPMENT PROGRAM ON PSYCHOMOTOR PERFORMANCE AND SELF-EFFICACY IN SCHOOL CHILDREN. SELECTIVE ATTENTION AND EFFICACY ARE IMPORTANT COMPONENTS OF SCHOLASTIC PERFORMANCE IN SCHOOL CHILDREN. WHILE ATTEMPTS ARE BEING MADE TO INTRODUCE NEW METHODS TO IMPROVE ACADEMIC PERFORMANCE EITHER AS PART OF CURRICULAR OR EXTRACURRICULAR ACTIVITIES IN SCHOOLS, THE SUCCESS RATES ARE MINIMAL. HENCE, THIS STUDY ASSESSED THE EFFECT OF YOGA-BASED INTERVENTION ON PSYCHOMOTOR PERFORMANCE AND SELF-EFFICACY IN SCHOOL CHILDREN. TWO HUNDRED TEN SCHOOL CHILDREN WITH AGES RANGING FROM 11 TO 16 YEARS (MEAN AGE +/- SD; 13.7 +/- 0.8 YEARS) SATISFYING THE INCLUSION AND EXCLUSION CRITERIA WERE RECRUITED FOR THE 10-DAY YOGA PROGRAM. AN EQUAL NUMBER OF AGE-MATCHED PARTICIPANTS (N = 210; MEAN +/- SD; 13.1 +/- 0.8 YEARS) WERE SELECTED FOR THE CONTROL GROUP. PARTICIPANTS WERE ASSESSED FOR ATTENTION AND PERFORMANCE AT THE BEGINNING AND END OF 10 DAYS USING TRAIL MAKING TASK (TMT) A AND B, AND SELF-EFFICACY QUESTIONNAIRE. THE YOGA GROUP SHOWED HIGHER SELF-EFFICACY AND IMPROVED PERFORMANCE AFTER 10 DAYS OF YOGA INTERVENTION. THE PERFORMANCE IN TMT-A AND -B OF THE YOGA GROUP SHOWED A SIGNIFICANTLY HIGHER NUMBER OF ATTEMPTS WITH A REDUCTION IN TIME TAKEN TO COMPLETE THE TASK AND A NUMBER OF WRONG ATTEMPTS COMPARED WITH CONTROL GROUP. RESULTS SUGGEST THAT YOGA PRACTICE ENHANCES SELF-EFFICACY AND PROCESSING SPEED WITH FINE MOTOR COORDINATION, VISUAL-MOTOR INTEGRATION, VISUAL PERCEPTION, PLANNING ABILITY, AND COGNITIVE PERFORMANCE. 2016