1 443 158 CERVICAL ARTERIAL DISSECTION AND TRAUMATIC MYELOPATHY FOLLOWING YOGA: SURGICAL CASE REPORT. INTRODUCTION: CERVICAL SPONDYLOSIS CAN PREDISPOSE PATIENTS TO CENTRAL CANAL STENOSIS. IN THIS SETTING, MYELOPATHY THROUGH FURTHER FLATTENING OF THE CORD FROM EXTRINSIC COMPRESSION CAN BE PRECIPITATED BY RELATIVELY MINOR TRAUMAS. ARTERIAL DISSECTION IS SIMILARLY CONSIDERED A RESULT OF HIGH VELOCITY OR MOMENTUM DURING TRAUMA, COMMONLY ASSOCIATED WITH FRACTURES, CERVICAL HYPERFLEXION, OR DIRECT BLUNT FORCE TO THE NECK. OVERALL, PRECAUTIONS FOR BOTH ARTERIAL DISSECTION AND MYELOPATHY ARE RARELY CONSIDERED IN LOW-VELOCITY, STATIC ACTIVITIES SUCH AS YOGA. CASE PRESENTATION: THE AUTHORS REPORT THE CASE OF A 63-YEAR-OLD MAN WHO SUFFERED CONCURRENT CERVICAL MYELOPATHY FROM MULTILEVEL SPONDYLOPATHY, RIGHT VERTEBRAL ARTERY DISSECTION, AND LEFT CERVICAL CAROTID ARTERY DISSECTION FOLLOWING A YOGA SESSION. SYMPTOMATOLOGY CONSISTED OF ACUTE ONSET NECK PAIN, UPPER EXTREMITY SENSORY PARESTHESIA, WORSENING GAIT AND BALANCE, AND IMPAIRED DEXTERITY FOR SEVERAL WEEKS. CERVICAL MRI WAS OBTAINED GIVEN MYELOPATHIC SYMPTOMS AND REVEALED SPONDYLOSIS WITH COMPRESSION AND T2 SIGNAL CHANGE AT C3-C4. CT ANGIOGRAPHY OF THE NECK REVEALED AFOREMENTIONED DISSECTIONS WITHOUT FLOW LIMITING STENOSIS OR OCCLUSION. A THERAPEUTIC HEPARIN INFUSION WAS STARTED PREOPERATIVELY UNTIL THE PATIENT UNDERWENT C3-C4 ANTERIOR CERVICAL DISCECTOMY AND FUSION. ASPIRIN AND PLAVIX WERE THEN STARTED WITHOUT INCIDENCE AND THE PATIENT HAD SIGNIFICANT BUT GRADUAL IMPROVEMENT IN MYELOPATHIC SYMPTOMS AT 6-WEEK FOLLOW-UP. DISCUSSION: THE STATIC YET INTENSIVE POSES ASSOCIATED WITH YOGA PRESENT A RARE ETIOLOGY FOR ARTERIAL DISSECTION AND MYELOPATHY, BUT PATIENTS WITH PERSISTENT AND PROGRESSIVE SYMPTOMS SHOULD BE SCREENED WITH THE APPROPRIATE IMAGING MODALITY. CERVICAL DECOMPRESSION SHOULD BE EXPEDITED BEFORE INITIATING AN ANTIPLATELET MEDICATION. 2022 2 656 25 EEG SIGNAL BASED CLASSIFICATION BEFORE AND AFTER COMBINED YOGA AND SUDARSHAN KRIYA. NOWADAYS, THE STYLE OF LIVING IS RESTLESS AND BUSY WHICH HAS RESULTED IN INCREASED STRESS AMONG MANY PEOPLE. STRESS CAUSES VARIOUS MENTAL AND HEALTH ILLNESS SUCH AS DEPRESSION, ANXIETY, MOOD DISORDERS, AND AGGRESSIVE BEHAVIOR. YOGA AND SUDARSHAN KRIYA (SK) MEDITATION ARE HEALTHY WAYS TO ERADICATE STRESS FROM PEOPLE'S LIVES. BASED ON THE PREVIOUS STUDY, IT HAS BEEN ANALYZED THAT SK PRACTICE HELPS TO ENHANCE RELAXATION, MANAGEMENT OF EMOTION, ALERTNESS, FOCUS, AND ANTIDEPRESSANT EFFECT. IN THIS PAPER, THE COMBINED IMPACT OF YOGA AND SK MEDITATION HAS BEEN ANALYZED ON BRAIN SIGNALS BY USING STATISTICAL PARAMETERS. TO THE BEST OF THE AUTHORS' KNOWLEDGE, NO SUCH STUDY HAS BEEN CONDUCTED IN THE PAST. IN THIS STUDY, THE PRE AND POST ELECTROENCEPHALOGRAM (EEG) SIGNALS WERE CAPTURED FROM THE CONTROL AND STUDY GROUP BEFORE AND AFTER THREE MONTHS REGULAR PRACTICE OF COMBINED YOGA AND SK. DISCRETE WAVELET TRANSFORM (DWT) HAS BEEN USED TO DECOMPOSE THE SIGNAL INTO 6 SUB-BANDS (0-4, 4-8, 8-16, 16-32, 32-64, 64-128) HERTZ (HZ) BY USING DB4 WAVELET FOR ANALYSIS, STATISTICAL FEATURES SUCH AS VARIANCE, STANDARD DEVIATION, KURTOSIS, ZERO CROSSING, MAXIMUM AND MINIMUM HAVE BEEN CALCULATED FROM EACH SUB-BAND. THE OBTAINED PARAMETERS HAVE BEEN VALIDATED BY USING KRUSKAL-WALLIS STATISTICAL TEST. FURTHER, ARTIFICIAL NEURAL NETWORK (ANN) HAS BEEN APPLIED ON AFOREMENTIONED STATISTICAL PARAMETERS TO CLASSIFY SUBJECTS AS MEDITATORS AND NON-MEDITATORS. THE EXPERIMENTAL RESULTS INDICATED THAT THE PROPOSED METHOD ACHIEVED 87.2% ACCURACY FOR CLASSIFICATION AND COULD BE FURTHER EXTENDED TO CONSTRUCT AN ACCURATE CLASSIFICATION SYSTEM FOR DETECTION OF MEDITATORS AND NON-MEDITATORS. THIS STUDY FORMS A SCIENTIFIC FOUNDATION TO ENCOURAGE THE USE OF MEDITATION IN CLINICAL PRACTICES. 2019 3 58 28 A COMPARISON OF EMG OUTPUT OF FOUR LOWER EXTREMITY MUSCLES DURING SELECTED YOGA POSTURES. THE PURPOSE OF THIS STUDY WAS TO USE SURFACE ELECTROMYOGRAPHY (EMG) ANALYSIS TO EXAMINE THE MUSCLE ACTIVATION OF THE ANTERIOR TIBIALIS (TA), GASTROCNEMIUS (GA), RECTUS FEMORIS (RF) AND BICEPS FEMORIS (BF) MUSCLES DURING SEVERAL YOGA POSES: TREE POSE (VRKSASHANA), HALF MOON POSE (ARDHA CHANDRASANA) AND WARRIOR III (VIRABADRASANA) WHEN COMPARED TO A REST POSE (MOUNTAIN POSE). TEN HEALTHY FEMALES WITH MORE THAN 3 MONTHS OF CONTINUOUS YOGA EXPERIENCE WHO PRACTICED AT LEAST 1.5H PER WEEK WERE RECRUITED. EMG ACTIVITY WAS RECORDED FROM THE AFOREMENTIONED MUSCLES DURING MOUNTAIN POSE ("REST") FOR 30S, THREE TIMES. SUBJECTS THEN PERFORMED THE FOLLOWING YOGA POSES IN A RANDOMIZED SEQUENCE WHILE SURFACE EMG ACTIVITY WAS RECORDED: TREE POSE, HALF-MOON, AND WARRIOR III. EACH POSE WAS HELD FOR 20S TO 30S AND PERFORMED THREE TIMES. EMG DATA WERE BAND PASS FILTERED AND THE ROOT MEAN SQUARE (RMS) WAS OBTAINED. THE PEAK RMS OF EACH OF THE RESTING TRIALS WAS OBTAINED AND AVERAGED TO PRODUCE AN AVERAGE PEAK RESTING RMS VALUE. THE STUDY REVEALED SIGNIFICANTLY GREATER EMG ACTIVITY IN TA AND GA IN ALL THREE POSES WHEN COMPARED TO BF AND RF. BF PRODUCED GREATER EMG ACTIVITY THAN RF IN WARRIOR III. IN CONCLUSION, SINGLE LIMB YOGA POSES REQUIRE INCREASED USE OF THE ANKLE MUSCULATURE WHEN COMPARED TO THIGH MUSCULATURE. 2019 4 2282 23 THE THERAPEUTIC VALUE OF YOGA IN NEUROLOGICAL DISORDERS. BACKGROUND: THE ANCIENT MIND AND BODY HEALING METHODS OF YOGA RECENTLY SPARKED FERVOR IN THE SCIENTIFIC COMMUNITY AS AN ALTERNATIVE AND COMPLEMENTARY MEANS OF THERAPY. SINCE THE WORLD HEALTH ORGANIZATION OFFICIALLY BEGAN PROMOTING YOGA IN DEVELOPING COUNTRIES IN 1978, YOGA HAS BEEN CITED FOR ITS THERAPEUTIC POTENTIAL AND HAS BEEN WIDELY RECOGNIZED IN WESTERN CULTURE. HOWEVER, AS AN INCREASING NUMBER OF PEOPLE PRACTICE YOGA FOR REMEDIAL PURPOSES, RESEARCHERS RAISE TWO IMPORTANT QUESTIONS: 1) IS YOGA A VALID COMPLEMENTARY MANAGEMENT AND REHABILITATION TREATMENT MODALITY? 2) WHAT CONDITIONS SHOW PROMISE OF TREATMENT WITH THIS INTERVENTION?. OBJECTIVE: THIS REVIEW ARTICLE USES COMPREHENSIVE SCIENTIFIC, EVIDENCE-BASED STUDIES TO ANALYZE THE EFFICACY OF VARIOUS BASIC AND APPLIED ASPECTS OF YOGA IN DISEASE PREVENTION AND HEALTH PROMOTION. IT SPECIFICALLY INTENDS TO EXPOSE THE EFFECTS OF YOGA IN NEUROLOGICAL DISORDERS, PARTICULARLY EPILEPSY, STROKE, MULTIPLE SCLEROSIS, ALZHEIMER'S DISEASE, PERIPHERAL NERVOUS SYSTEM DISEASE, AND FIBROMYALGIA. MATERIALS AND METHODS: INFORMATION WAS GATHERED FROM VARIOUS RESOURCES INCLUDING PUBMED, OVID, MD-CONSULT, USC, AND U.C.L.A. LIBRARIES. STUDIES WERE SELECTED AND REVIEWED ON THE BASIS OF SAMPLE SIZE, CONTROL, RANDOMIZATION, DOUBLE-BLINDING, AND STATISTICAL ANALYSIS OF RESULTS. RESULTS: THE PRATICE OF YOGA AND MEDITATION DEMONSTRATES STATISTICALLY ENCOURAGING PHYSIOLOGICAL AND PSYCHOLOGICAL IMPROVEMENTS IN THE AFOREMENTIONED NEUROLOGICAL DISORDERS. HOWEVER, THERE WERE CERTAIN FLAWS AND INADEQUACIES IN THE STUDY DESIGNS EMPLOYED TO EVALUATE THE SAME. A CRITICAL ANALYSIS OF THESE STUDIES IS PRESENTED. CONCLUSIONS: WITH THE AIM TO FOCUS ATTENTION ON THIS WIDESPREAD YET LARGELY UNEXAMINED TREATMENT MODALITY, THIS PAPER SEEKS TO PROVIDE DIRECTION AND SUPPORT FOR FURTHER RESEARCH NECESSARY TO VALIDATE YOGA AS AN INTEGRATIVE, ALTERNATIVE, AND COMPLEMENTARY THERAPY. 2012 5 303 23 AN EMPIRICAL COMPARISON OF MACHINE LEARNING ALGORITHMS FOR THE CLASSIFICATION OF BRAIN SIGNALS TO ASSESS THE IMPACT OF COMBINED YOGA AND SUDARSHAN KRIYA. TODAY'S FAST PACED LIFE REPORTS SO MUCH STRESS AMONG PEOPLE THAT IT MAY LEAD TO VARIOUS PSYCHOLOGICAL AND PHYSICAL ILLNESSES. YOGA AND MEDITATION ARE THE BEST STRATEGIES TO REDUCE THE EFFECT OF STRESS ON PHYSICAL AND MENTAL LEVEL WITHOUT ANY SIDE-EFFECTS. IN THIS STUDY, COMBINED YOGA AND SUDARSHAN KRIYA (SK) HAS BEEN USED AS AN ALTERNATIVE AND COMPLEMENTARY THERAPY FOR THE MANAGEMENT OF STRESS. THE AIM OF THE STUDY IS TO FIND A METHOD TO CLASSIFY THE MEDITATOR AND NON-MEDITATOR STATES WITH THE BEST ACCURACY. THE 50 SUBJECTS HAVE BEEN PARTICIPATING IN THIS STUDY AND DIVIDED INTO TWO GROUPS, I.E. STUDY AND CONTROL GROUP. THE SUBJECTS WITH REGULAR PRACTICE OF YOGA AND SK ARE KNOWN AS MEDITATORS AND THE ONES WITHOUT ANY PRACTICE OF YOGA AND MEDITATION WERE KNOWN AS NON-MEDITATORS. ELECTROENCEPHALOGRAM (EEG) SIGNALS WERE ACQUIRED FROM THESE BOTH GROUPS BEFORE AND AFTER 3 MONTHS. THE STATISTICAL PARAMETERS WERE COMPUTED FROM THESE ACQUIRED EEG SIGNALS USING DISCRETE WAVELET TRANSFORM (DWT). THESE EXTRACTED STATISTICAL PARAMETERS WERE GIVEN AS INPUT TO THE CLASSIFIERS. THE DECISION TREE, DISCRIMINANT ANALYSIS, LOGISTIC REGRESSION, SUPPORT VECTOR MACHINE (SVM), WEIGHTED K- NEAREST NEIGHBOUR (KNN) AND ENSEMBLE CLASSIFIERS WERE USED FOR CLASSIFICATION OF MEDITATOR AND NON- MEDITATOR STATES FROM THE ACQUIRED EEG SIGNALS. THE RESULTS HAVE DEMONSTRATED THAT THE SVM METHOD GIVES THE HIGHEST CLASSIFICATION ACCURACY AS COMPARED TO OTHER CLASSIFIERS. THE PROPOSED METHOD CAN BE USED AS A DIAGNOSIS SYSTEM IN CLINICAL PRACTICES. 2022 6 1014 29 EFFECTS OF PILATES AND YOGA IN PATIENTS WITH CHRONIC NECK PAIN: A SONOGRAPHIC STUDY. BACKGROUND: VARIOUS STUDIES HAVE SHOWN THE EFFICACY OF CONVENTIONAL ISOMETRIC, PILATES AND YOGA EXERCISES. HOWEVER, DATA ON THE EFFECTS AND COMPARISON OF THESE SPECIFIC EXERCISES ON THE CERVICAL MUSCLE MORPHOLOGY ARE INSUFFICIENT OR LACKING. OBJECTIVE: TO INVESTIGATE THE EFFECTS OF DIFFERENT EXERCISE TREATMENTS ON NECK MUSCLES IN PATIENTS WITH CHRONIC NECK PAIN. DESIGN: A RANDOMIZED STUDY. METHODS: FIFTY-SIX PATIENTS WITH CHRONIC NECK PAIN WERE RANDOMIZED INTO 3 GROUPS AS FOLLOWS: PILATES GROUP (N = 20), YOGA GROUP (N = 18) AND ISOMETRIC GROUP (N = 18). DEMOGRAPHICS AND BACKGROUND INFORMATION WERE RECORDED. THE THICKNESS AND CROSS-SECTIONAL AREA OF NECK MUSCLES WERE EVALUATED BY ULTRASOUND IMAGING. CERVICAL MOTIONS WERE MEASURED WITH A GONIOMETER. PAIN SEVERITY WAS EVALUATED WITH THE MCGILL PAIN SCALE, DISABILITY WITH THE NECK DISABILITY INDEX, QUALITY OF LIFE WITH THE NOTTINGHAM HEALTH PROFILE, AND EMOTIONAL STATUS WITH THE BECK DEPRESSION INVENTORY. IN ADDITION TO A CONVENTIONAL PHYSIO-THERAPY PROGRAMME, 15 SESSIONS OF PHYSICAL THERAPY, INCLUDING HOT PACK, ULTRASOUND, AND TRANSCUTANEOUS ELECTRICAL NERVE STIMULATION (TENS), WERE PROVIDED TO ALL PATIENTS. ALL GROUPS PERFORMED THE EXERCISES FOR 6 WEEKS. THE AFOREMENTIONED ASSESSMENTS WERE PERFORMED BEFORE AND 6 WEEKS AFTER THE TREATMENT. RESULTS: ALTHOUGH PAIN, DISABILITY, DEPRESSION AND QUALITY OF LIFE IMPROVED SIMILARLY WITHIN ALL GROUPS (ALL P < 0.05), MUSCLE THICKNESS VALUES AS REGARDS THE SEMISPINALIS CAPITIS WERE INCREASED ONLY IN THE PILATES GROUP (P = 0.022). STUDY LIMITATIONS: THE LACK OF COMPLEX (PROGRESSIVE RESISTIVE) EXERCISE TREATMENT PROTOCOLS, SHORT TREATMENT DURATION AND PARTIAL SUPERVISION. CONCLUSION: ALL 3 TYPES OF EXERCISE HAD FAVOURABLE EFFECTS ON PAIN AND FUNCTIONAL SCORES, BUT NO DIFFERENCES WERE FOUND AMONG THE GROUPS, EXCEPT FOR THE PILATES GROUP, IN WHICH THE SEMISPINALIS CAPITIS MUSCLE INCREASED IN THICKNESS. 2018 7 335 28 APPLYING THE S-ART FRAMEWORK TO YOGA: EXPLORING THE SELF-REGULATORY ACTION OF YOGA PRACTICE IN TWO CULTURALLY DIVERSE SAMPLES. MINDFULNESS PRACTICES FORM THE CORE OF NUMEROUS THERAPEUTIC PROGRAMS AND INTERVENTIONS FOR STRESS REDUCTION AND THE TREATMENT OF DIFFERENT HEALTH CONDITIONS RELATED TO STRESS AND LIFE HABITS. WAYS AND MEANS TO REGULATE ONESELF EFFECTIVELY ALSO FORM THE FOUNDATION OF THE PATH OF YOGA IN THE ACCOMPLISHMENT OF HOLISTIC HEALTH AND WELL-BEING. THE SELF-AWARENESS, SELF-REGULATION, AND SELF-TRANSCENDENCE (S-ART) MODEL CAN BE CONSIDERED AS AN OVERARCHING NEUROBIOLOGICAL FRAMEWORK TO EXPLAIN THE SELF-REGULATORY MECHANISMS OF WELL-BEING PRESENT IN MINDFULNESS-BASED PRACTICES. THE CURRENT STUDY, BY CONNECTING AND APPLYING THE S-ART FRAMEWORK TO THE SELF-REGULATORY MECHANISMS IN YOGA AND GENERATING RELATED HYPOTHESES, PROVIDES A THEORY-LED EXPLANATION OF THE ACTION OF YOGA PRACTICES, WHICH IS SPARSE IN THE LITERATURE. TESTING THE S-ART MODEL IN YOGA IN TWO CULTURALLY DIVERSE SAMPLES, ASSESSING THE MODEL-MAPPED PSYCHOLOGICAL MECHANISMS OF ACTION, AND EXPLORING THE INFLUENCE OF PERSEVERANCE IN YOGA PRACTICE ARE THE ORIGINAL CONTRIBUTIONS OF THIS STUDY. THE STUDY SAMPLE COMPRISED 362 YOGA PRACTITIONERS AND NON-PRACTITIONERS (197 INDIAN AND 165 SPANISH), WHO COMPLETED FOUR TESTS OF PSYCHOLOGICAL VARIABLES INDICATIVE OF THE AFOREMENTIONED THREE S-ART ABILITIES. THESE TESTS WERE MULTIDIMENSIONAL ASSESSMENT OF INTEROCEPTIVE AWARENESS (MAIA), EXPERIENCES QUESTIONNAIRE-DECENTERING (EQ-D) SUBSCALE, DIFFICULTIES IN EMOTION REGULATION SCALE (DERS), AND RELATIONAL COMPASSION SCALE (RCS). THE RESULTS INDICATED SIGNIFICANTLY BETTER SELF-AWARENESS AND SELF-REGULATORY ABILITIES IN YOGA PRACTITIONERS (INDIAN AND SPANISH IN A COMBINATION) THAN NON-PRACTITIONERS, REFLECTED IN HIGHER LEVELS OF INTEROCEPTIVE AWARENESS AND DECENTERING ABILITIES. MOREOVER, PERSEVERANCE IN YOGA PRACTICE ACTED AS A SIGNIFICANT PREDICTOR OF SELF-AWARENESS AND SELF-REGULATION IN PRACTITIONERS. AN ANALYSIS OF EACH CULTURAL SAMPLE REVEALED SOME DIFFERENCES. YOGA PRACTICE AND PERSEVERANCE IN IT ACTED AS A SIGNIFICANT PREDICTOR OF INTEROCEPTIVE AWARENESS AND DECENTERING IN INDIAN PRACTITIONERS HAVING MORE THAN 1 YEAR OF SUSTAINED YOGA PRACTICE, BUT FOR THE SPANISH PARTICIPANTS, PHYSICAL EXERCISE AND FREQUENCY OF YOGA PRACTICE ACTED AS BETTER PREDICTORS OF INTEROCEPTIVE AWARENESS AND DECENTERING IN COMPARISON TO YOGA PRACTICE AND PERSEVERANCE IN IT. THE OBTAINED RESULTS SUGGESTED THAT THE S-ART MODEL PROVIDED PRELIMINARY BUT PROMISING EVIDENCE FOR THE SELF-REGULATORY MECHANISMS OF ACTION IN YOGA PRACTICE WITHIN A CULTURALLY DIVERSE SAMPLE OF YOGA PRACTITIONERS. THIS STUDY ALSO WIDENS THE SCOPE OF GENERATING FURTHER HYPOTHESES USING THE S-ART THEORETICAL FRAMEWORK FOR TESTING THE SELF-REGULATORY MECHANISMS OF ACTION IN YOGA PRACTICE. 2021 8 1208 24 EXPLORATION OF LOWER FREQUENCY EEG DYNAMICS AND CORTICAL ALPHA ASYMMETRY IN LONG-TERM RAJYOGA MEDITATORS. BACKGROUND: RAJYOGA MEDITATION IS TAUGHT BY PRAJAPITA BRAHMAKUMARIS WORLD SPIRITUAL UNIVERSITY (BRAHMAKUMARIS) AND HAS BEEN FOLLOWED BY MORE THAN ONE MILLION FOLLOWERS ACROSS THE GLOBE. HOWEVER, RARE STUDIES WERE CONDUCTED ON PHYSIOLOGICAL ASPECTS OF RAJYOGA MEDITATION USING ELECTROENCEPHALOGRAPHY (EEG). BAND POWER AND CORTICAL ASYMMETRY WERE NOT STUDIED WITH RAJYOGA MEDITATORS. AIMS: THIS STUDY AIMS TO INVESTIGATE THE EFFECT OF REGULAR MEDITATION PRACTICE ON EEG BRAIN DYNAMICS IN LOW-FREQUENCY BANDS OF LONG-TERM RAJYOGA MEDITATORS. SETTINGS AND DESIGN: SUBJECTS WERE MATCHED FOR AGE IN BOTH GROUPS. LOWER FREQUENCY EEG BANDS WERE ANALYZED IN RESTING AND DURING MEDITATION. MATERIALS AND METHODS: TWENTY-ONE MALE LONG-TERM MEDITATORS (LTMS) AND SAME NUMBER OF CONTROLS WERE SELECTED TO PARTICIPATE IN STUDY AS PAR INCLUSION CRITERIA. SEMI HIGH-DENSITY EEG WAS RECORDED BEFORE AND DURING MEDITATION IN LTM GROUP AND RESTING IN CONTROL GROUP. THE MAIN OUTCOME OF THE STUDY WAS SPECTRAL POWER OF ALPHA AND THETA BANDS AND CORTICAL (HEMISPHERICAL) ASYMMETRY CALCULATED USING BAND POWER. STATISTICAL ANALYSIS: ONE-WAY ANOVA WAS PERFORMED TO FIND THE SIGNIFICANT DIFFERENCE BETWEEN EEG SPECTRAL PROPERTIES OF GROUPS. PEARSON'S CHI-SQUARE TEST WAS USED TO FIND DIFFERENCE AMONG DEMOGRAPHICS DATA. RESULTS: RESULTS REVEAL HIGH-BAND POWER IN ALPHA AND THETA SPECTRA IN MEDITATORS. CORTICAL ASYMMETRY CALCULATED THROUGH EEG POWER WAS ALSO FOUND TO BE HIGH IN FRONTAL AS WELL AS PARIETAL CHANNELS. HOWEVER, NO CORRELATION WAS SEEN BETWEEN THE EXPERIENCE OF MEDITATION (YEARS, HOURS) PRACTICE AND EEG INDICES. CONCLUSION: OVERALL FINDINGS INDICATE CONTRIBUTION OF SMALLER FREQUENCIES (ALPHA AND THETA) WHILE MAINTAINING MEDITATIVE EXPERIENCE. THIS SUGGESTS A POSITIVE IMPACT OF MEDITATION ON FRONTAL AND PARIETAL AREAS OF BRAIN, INVOLVED IN THE PROCESSES OF REGULATION OF SELECTIVE AND SUSTAINED ATTENTION AS WELL AS PROVIDE EVIDENCE ABOUT THEIR INVOLVEMENT IN EMOTION AND COGNITIVE PROCESSING. 2018 9 2473 31 YOGA AS ADJUNCTIVE THERAPY IN THE TREATMENT OF PEOPLE WITH ANOREXIA NERVOSA: A DELPHI STUDY. BACKGROUND: THERE IS PRELIMINARY EVIDENCE TO SUGGEST THAT YOGA CAN BE BENEFICIAL IN REDUCING ANXIETY, DEPRESSION AND GENERAL EATING DISORDER SYMPTOMS IN PEOPLE WITH ANOREXIA NERVOSA (AN). IT IS UNCLEAR WHETHER THE THERAPEUTIC BENEFITS OF YOGA ARE SUPPORTED OR UTILISED IN THE TREATMENT OF AN AMONGST CLINICAL EXPERTS. THE PRESENT STUDY AIMED TO EXPLORE AND SYNTHESISE EXPERT OPINION ON THE USE OF YOGA AS AN ADJUNCTIVE THERAPY IN THE MANAGEMENT OF ANXIETY, DEPRESSION AND OVER-EXERCISE IN INDIVIDUALS WITH AN. METHODS: A DELPHI METHODOLOGY WAS EMPLOYED, WITH CLINICIANS CONSIDERED EXPERTS IN THE TREATMENT OF AN RECRUITED INTERNATIONALLY TO FORM THE PANEL (N = 18). THE FIRST ITERATION OF QUESTIONNAIRES COMPRISED OF FOUR OPEN-ENDED QUESTIONS CONCERNING THE EXPERTS' UNDERSTANDING OF THE TERM YOGA AND OPINIONS ON ITS' USE IN THERAPY GENERALLY AND MORE SPECIFICALLY IN THE TREATMENT OF AN. USING CONTENT ANALYSIS, STATEMENTS WERE DERIVED FROM THIS DATA AND INCLUDED AS LIKERT-BASED ITEMS IN TWO SUBSEQUENT ROUNDS WHERE PANELLISTS RATED THEIR LEVEL OF AGREEMENT ON EACH ITEM. SEVENTEEN OUT OF 18 RESPONDENTS COMPLETED ALL THREE ITERATIONS. RESULTS: CONSENSUS (LEVEL OF AGREEMENT DEFINED AT >/= 85%) WAS ACHIEVED FOR 36.47% OF THE ITEMS INCLUDED IN THE SECOND AND THIRD ROUNDS. THE PANEL REACHED CONSENSUS ON ITEMS DEFINING YOGA AND PERTAINING TO ITS' GENERAL BENEFITS. THE PANEL AGREED THAT YOGA IS A ADJUNCT THERAPY FOR VARIOUS PROBLEMS, CONSENSUS WAS NOT ACHIEVED ON THE SPECIFIC USE OF YOGA AS AN ADJUNCT THERAPY IN THE TREATMENT OF COMORBID ANXIETY, DEPRESSION OR TRAUMA IN PATIENTS WITH AN. ALTHOUGH THE EXPERT PANEL ACKNOWLEDGED A NUMBER OF BENEFITS FOR USE OF YOGA IN AN, THEY STRONGLY ENDORSED THAT FUTURE RESEARCH SHOULD EVALUATE THE POTENTIAL RISKS OF USING YOGA AS AN EMBODIED PRACTICE. CONCLUSIONS: IT IS POSSIBLE THAT YOGA COULD BE CONSIDERED FOR INCLUSION IN FUTURE GUIDELINES IF SUPPORTED BY EMPIRICAL RESEARCH. WE CONCLUDE THAT THERE SEEMS TO BE ENOUGH CONSENSUS THAT SUCH FURTHER SCIENTIFIC INVESTIGATION IS WARRANTED. THIS STUDY AIMED TO EXPLORE EXPERT OPINION ON THE USE OF YOGA AS AN ADJUNCTIVE THERAPY IN THE MANAGEMENT OF ANXIETY, DEPRESSION AND OVER-EXERCISE IN INDIVIDUALS WITH ANOREXIA NERVOSA (AN). CLINICIANS CONSIDERED EXPERTS IN THE TREATMENT OF AN RECRUITED INTERNATIONALLY TO FORM THE PANEL (N = 18). EXPERTS WERE ASKED ABOUT THEIR UNDERSTANDING OF THE TERM YOGA AND THEIR OPINIONS ON ITS' USE IN THERAPY. THE PANEL REACHED CONSENSUS ON ITEMS DEFINING YOGA AND PERTAINING TO ITS' GENERAL BENEFITS. ALTHOUGH THE PANEL AGREED THAT YOGA IS A NICE ADDITIONAL THERAPY FOR VARIOUS PROBLEMS, CONSENSUS WAS NOT ACHIEVED ON THE USE OF YOGA AS AN ADDITIONAL THERAPY IN THE TREATMENT OF SPECIFIC PROBLEMS LIKE ANXIETY, DEPRESSION OR TRAUMA IN PEOPLE WITH AN. THE EXPERT PANEL ACKNOWLEDGED A NUMBER OF BENEFITS FOR USE OF YOGA IN AN. HOWEVER THE PANEL STRONGLY CONSIDERED THAT FUTURE RESEARCH SHOULD EVALUATE THE POTENTIAL RISKS OF USING YOGA AS AN EMBODIED PRACTICE. THE AREAS OF COLLECTIVE AGREEMENT GAINED IN THE STUDY CAN SERVE AS PRELIMINARY GUIDELINES FOR THE USE OF YOGA IN AN WHILST GUIDING FUTURE RESEARCH DIRECTIONS. 2021 10 1918 20 ROLE OF YOGA AND MEDITATION AS COMPLIMENTARY THERAPEUTIC REGIME FOR STRESS-RELATED NEUROPSYCHIATRIC DISORDERS: UTILIZATION OF BRAIN WAVES ACTIVITY AS NOVEL TOOL. DURING RECENT DECADES, STRESS-RELATED NEUROPSYCHIATRIC DISORDERS SUCH AS ANXIETY, DEPRESSION, CHRONIC TENSION HEADACHE, AND MIGRAINE HAVE ESTABLISHED THEIR STRONGHOLD IN THE LIVES OF A VAST NUMBER OF PEOPLE WORLDWIDE. IN ORDER TO ADDRESS THIS GLOBAL PHENOMENON, INTENSIVE STUDIES HAVE BEEN CARRIED OUT LEADING TO THE ADVANCEMENT OF DRUGS LIKE ANTI-DEPRESSANTS, ANXIOLYTICS, AND ANALGESICS WHICH ALTHOUGH HELP IN COMBATING THE SYMPTOMS OF SUCH DISORDERS BUT ALSO CREATE LONG-TERM SIDE EFFECTS. THUS, AS AN ALTERNATIVE TO SUCH CLINICAL PRACTICES, VARIOUS COMPLEMENTARY THERAPIES SUCH AS YOGA AND MEDITATION HAVE BEEN PROVED TO BE EFFECTIVE IN ALLEVIATING THE CAUSES AND SYMPTOMS OF DIFFERENT NEUROPSYCHIATRIC DISORDERS. THE ROLE OF ALTERED BRAIN WAVES IN THIS CONTEXT HAS BEEN RECOGNIZED AND NEEDS TO BE PURSUED AT THE HIGHEST LEVEL. THUS, THE CURRENT STUDY PROVIDES A REVIEW FOCUSED ON DESCRIBING THE EFFECTS OF YOGA AND MEDITATION ON ANXIETY AND DEPRESSION AS WELL AS EXPLORING BRAIN WAVES AS A TOOL FOR ASSESSING THE POTENTIAL OF THESE COMPLEMENTARY THERAPIES FOR SUCH DISORDERS. 2020 11 2035 23 TELE-YOGA FOR CHRONIC PAIN: CURRENT STATUS AND FUTURE DIRECTIONS. PAIN IS A PERVASIVE, DEBILITATING DISORDER THAT IS RESISTANT TO LONG-TERM PHARMACOLOGICAL INTERVENTIONS. ALTHOUGH PSYCHOLOGICAL THERAPIES SUCH AS COGNITIVE BEHAVIOR THERAPY DEMONSTRATE MODERATE EFFICACY, MANY INDIVIDUALS CONTINUE TO HAVE ONGOING DIFFICULTIES FOLLOWING TREATMENT. THERE IS A CURRENT TREND TO ESTABLISH COMPLEMENTARY AND INTEGRATIVE HEALTH INTERVENTIONS FOR CHRONIC PAIN, FOR WHICH YOGA HAS BEEN FOUND TO HAVE EXCITING POTENTIAL. NEVERTHELESS, AN IMPORTANT CONSIDERATION WITHIN THE FIELD IS ACCESSIBILITY TO ADEQUATE CARE. TELEHEALTH CAN BE USED TO PROVIDE REAL-TIME INTERACTIVE VIDEO CONFERENCING LEADING TO INCREASED ACCESS TO HEALTH CARE FOR INDIVIDUALS LOCATED REMOTELY OR WHO OTHERWISE HAVE DIFFICULTY ACCESSING SERVICES, PERHAPS THROUGH ISSUES OF MOBILITY OR PROXIMITY OF ADEQUATE SERVICES. THIS ARTICLE ASSESSES THE CURRENT STATUS AND FEASIBILITY OF IMPLEMENTING TELE-YOGA FOR CHRONIC PAIN. METHODOLOGICAL LIMITATIONS AND RECOMMENDATIONS FOR FUTURE RESEARCH ARE DISCUSSED. 2018 12 76 25 A HEURISTIC MODEL LINKING YOGA PHILOSOPHY AND SELF-REFLECTION TO EXAMINE UNDERLYING MECHANISMS OF ADD-ON YOGA TREATMENT IN SCHIZOPHRENIA. PRELIMINARY EVIDENCE SUGGESTS EFFICACY OF YOGA AS ADD-ON TREATMENT FOR SCHIZOPHRENIA, BUT THE UNDERLYING MECHANISM BY WHICH YOGA IMPROVES THE SYMPTOMS OF SCHIZOPHRENIA IS NOT COMPLETELY UNDERSTOOD. YOGA IMPROVES SELF-REFLECTION IN HEALTHY INDIVIDUALS, AND SELF-REFLECTION ABNORMALITIES ARE TYPICALLY SEEN IN SCHIZOPHRENIA. HOWEVER, WHETHER YOGA TREATMENT IMPROVES IMPAIRMENTS IN SELF-REFLECTION TYPICALLY SEEN IN PATIENTS WITH SCHIZOPHRENIA IS NOT EXAMINED. THIS PAPER DISCUSSES THE POTENTIAL MECHANISM OF YOGA IN THE TREATMENT OF SCHIZOPHRENIA AND PROPOSES A TESTABLE HYPOTHESIS FOR FURTHER EMPIRICAL STUDIES. IT IS PROPOSED THAT SELF-REFLECTION ABNORMALITIES IN SCHIZOPHRENIA IMPROVE WITH YOGA AND THE NEUROBIOLOGICAL CHANGES ASSOCIATED WITH THIS CAN BE EXAMINED USING EMPIRICAL BEHAVIOURAL MEASURES AND NEUROIMAGING MEASURES SUCH AS MAGNETIC RESONANCE IMAGING. 2016 13 1590 11 MEDITATION AND YOGA CAN MODULATE BRAIN MECHANISMS THAT AFFECT BEHAVIOR AND ANXIETY-A MODERN SCIENTIFIC PERSPECTIVE. MEDITATION AND YOGA TECHNIQUES ARE RECEIVING INCREASED ATTENTION THROUGHOUT THE WORLD, DUE TO THE ACCUMULATION OF EVIDENCE BASED RESEARCH THAT PROVES THE DIRECT AND INDIRECT BENEFITS OF SUCH PRACTICES. BASED ON STUDIES CONDUCTED SO FAR, IT HAS BEEN FOUND THAT THE PRACTICE OF MEDITATION TRIGGERS NEUROTRANSMITTERS THAT MODULATE PSYCHOLOGICAL DISORDERS SUCH AS ANXIETY. THIS PAPER WILL REVIEW THE PSYCHOLOGICAL EFFECTS OF THE PRACTICE OF MEDITATION, THE ROLE OF NEUROTRANSMITTERS, AND STUDIES USING EEG AND FMRI. 2015 14 2371 22 WHAT HAS NEUROIMAGING TAUGHT US ON THE NEUROBIOLOGY OF YOGA? A REVIEW. YOGA IS BECOMING INCREASINGLY POPULAR WORLDWIDE, WITH SEVERAL IMPLICATED PHYSICAL AND MENTAL BENEFITS. HERE WE PROVIDE A COMPREHENSIVE AND CRITICAL REVIEW OF THE RESEARCH GENERATED FROM THE EXISTING NEUROIMAGING LITERATURE IN STUDIES OF YOGA PRACTITIONERS. WE REVIEWED 34 INTERNATIONAL PEER-REVIEWED NEUROIMAGING STUDIES OF YOGA USING MAGNETIC RESONANCE IMAGING (MRI), POSITRON EMISSION TOMOGRAPHY (PET), OR SINGLE-PHOTON EMISSION COMPUTED TOMOGRAPHY (SPECT): 11 MORPHOLOGICAL AND 26 FUNCTIONAL STUDIES, INCLUDING THREE STUDIES THAT WERE CLASSIFIED AS BOTH MORPHOLOGICAL AND FUNCTIONAL. CONSISTENT FINDINGS INCLUDE INCREASED GRAY MATTER VOLUME IN THE INSULA AND HIPPOCAMPUS, INCREASED ACTIVATION OF PREFRONTAL CORTICAL REGIONS, AND FUNCTIONAL CONNECTIVITY CHANGES MAINLY WITHIN THE DEFAULT MODE NETWORK. THERE IS QUITE SOME VARIABILITY IN THE NEUROIMAGING FINDINGS THAT PARTIALLY REFLECTS DIFFERENT YOGA STYLES AND APPROACHES, AS WELL AS SAMPLE SIZE LIMITATIONS. DIRECT COMPARATOR GROUPS SUCH AS PHYSICAL ACTIVITY ARE SCARCELY USED SO FAR. FINALLY, HYPOTHESES ON THE UNDERLYING NEUROBIOLOGY DERIVED FROM THE IMAGING FINDINGS ARE DISCUSSED IN THE LIGHT OF THE POTENTIAL BENEFICIAL EFFECTS OF YOGA. 2020 15 2372 26 WHAT HELPS OLDER PEOPLE PERSEVERE WITH YOGA CLASSES? A REALIST PROCESS EVALUATION OF A COVID-19-AFFECTED YOGA PROGRAM FOR FALL PREVENTION. BACKGROUND: FALLS AMONG OLDER PEOPLE ARE A MAJOR GLOBAL HEALTH CONCERN. THIS PROCESS EVALUATION INVESTIGATES THE EXPERIENCE OF PARTICIPANTS AGED 60+ IN A YOGA PROGRAM AIMED AT PREVENTING FALLS WHICH TRANSITIONED FROM STUDIO-BASED CLASSES TO ONLINE CLASSES IN RESPONSE TO COVID-19 RESTRICTIONS. WE SOUGHT TO UNDERSTAND HOW THE SUCCESSFUL AGEING (SAGE) YOGA PROGRAM FUNCTIONED IN BOTH SETTINGS AND AS A HYBRID PROGRAM, AND TO EXPLAIN WHY IT WORKED WELL FOR MOST PARTICIPANTS. METHODS: REALIST PROCESS EVALUATION WAS USED TO EXPLORE THE FACTORS THAT FACILITATED A SUCCESSFUL TRANSITION FOR MOST PARTICIPANTS, AND TO CONSIDER WHY IT DID NOT WORK FOR A MINORITY. THIS APPROACH DEVELOPS PROGRAM THEORIES THAT DESCRIBE WHICH MECHANISMS AN INTERVENTION IS (OR IS NOT) ACTIVATING, AND HOW THIS IS MEDIATED BY CONTEXT TO GENERATE PROCESS OUTCOMES. DATA INCLUDED INTERVIEWS WITH PARTICIPANTS (N = 21) AND YOGA INSTRUCTORS (N = 3), SELF-REPORT FEEDBACK FORMS (N = 46), OBSERVATION OF CLASSES AND ROUTINE PROCESS MEASURES. RESULTS: FACTORS THAT FACILITATED A SUCCESSFUL TRANSITION FOR MOST PARTICIPANTS INCLUDED THE QUALITY OF YOGA INSTRUCTION, THE PROGRAM FORMAT AND INHERENT CHARACTERISTICS OF YOGA. GAINS IN TRANSITIONING ONLINE INCLUDED CONTINUITY AND GREATER CONVENIENCE. LOSSES INCLUDED PERCEIVED REDUCTION IN THE EFFECTIVENESS OF YOGA INSTRUCTION. THERE WERE GREATER CHALLENGES FOR PEOPLE STRUGGLING WITH PAIN AND IN DISADVANTAGEOUS HOME ENVIRONMENTS. WE IDENTIFIED SIX PROGRAM THEORIES CONFIGURED AROUND 16 MECHANISMS: 1. IT'S WORTH THE EFFORT AND 2. IN EXPERT HANDS (THESE HAD THE SAME MECHANISMS: VALUE EXPECTANCY, THERAPEUTIC ALLIANCE AND ACHIEVEMENT/MASTERY), 3. A COMMUNAL EXPERIENCE (THESE MECHANISMS WERE SHARED EXPERIENCE, SOCIAL CONNECTION, SOCIAL COMPARISON AND PEER CHECKING), 4. PUTTING YOGA WITHIN REACH (ACCESSIBILITY, CONVENIENCE, GRATITUDE), 5. BUILDING YOGA HABITS (PURPOSEFUL STRUCTURE, MOMENTUM, ACCOUNTABILITY AND CONTINUITY), AND 6. YOGA'S SPECIAL PROPERTIES (EMBODIMENT AND MINDFULNESS). CONCLUSIONS: THIS STUDY SHOWED THAT ONLINE DELIVERY OF A YOGA PROGRAM FOR PEOPLE AGED 60+ RETAINED MUCH OF THE VALUE OF A FACE-TO-FACE PROGRAM FOR THE MAJORITY OF PARTICIPANTS, AND INCREASED THE VALUE FOR SOME. THE STRUCTURED, COMMUNAL NATURE OF AN ORGANISED GROUP PROGRAM DELIVERED BY A SKILLED INSTRUCTOR, TOGETHER WITH YOGA'S INTRINSIC FOCUS ON MINDFULNESS, FACILITATED CONTINUED ENGAGEMENT AND PERCEIVED HEALTH BENEFITS, DESPITE THE CHANGE IN DELIVERY MODE. 2022 16 1698 25 PAIN-RELATED ENCEPHALIC REGIONS INFLUENCED BY YOGA MEDITATION: AN INTEGRATIVE REVIEW. INTRODUCTION: THE MECHANISMS UNDERLYING THE USE OF YOGA IN PAIN RELIEF ARE STILL UNCLEAR. THIS STUDY REVIEWED LITERATURE REPORTS ON ENCEPHALIC ACTIVITY RELATED TO ANALGESIA INDUCED BY YOGA MEDITATION PRACTICE. METHODS: THIS INTEGRATIVE REVIEW EXAMINED STUDIES PUBLISHED IN THE PUBMED, LILACS AND MEDLINE DATABASES WITHOUT RESTRICTION OF THE YEAR OF PUBLICATION. THE RESEARCH INVOLVED 16 DESCRIPTORS RELATED TO THE WORDS: YOGA, PAIN AND NEUROIMAGING METHODS. INCLUSION CRITERIA INVOLVED ONLY THE PUBLICATIONS AVAILABLE ONLINE, WITH FREE ACCESS AND WRITTEN IN ENGLISH. RESULTS: 2 CASE STUDIES AND 1 PILOT STUDY MET THE CRITERIA. YOGA MEDITATION PRACTICE INDUCES ANALGESIA PRIMARILY THROUGH ATTENUATION OF THE MEDIAL PAIN PERCEPTION SYSTEM INCLUDING THE ANTERIOR CINGULATE CORTEX AND INSULA REGIONS, AS WELL AS THE LATERAL SYSTEM INCLUDING THE SECONDARY SENSORY CORTEX AND THALAMUS. CONCLUSION: YOGA INDUCED ANALGESIA IS A POTENTIALLY IMPORTANT ADJUNCT TO CURRENT PAIN MANAGEMENT. THIS INTEGRATIVE REVIEW REVEALED THAT THERE IS A NEED FOR FURTHER RESEARCH THAT ANALYZES THE ENCEPHALIC REGIONS RELATED TO ANALGESIA INDUCED BY YOGA PRACTICE. 2018 17 2436 21 YOGA AND PSYCHIATRIC DISORDERS: A REVIEW OF BIOMARKER EVIDENCE. TRADITIONALLY, YOGA HAS BEEN USED AS A MEANS FOR SPIRITUAL GROWTH BUT OVER THE PAST TWO DECADES OR SO ITS THERAPEUTIC BENEFITS IN PSYCHIATRIC DISORDERS HAVE BEEN SCIENTIFICALLY EXPLORED. YOGA HAS BEEN SHOWN TO BE USEFUL AS A MONO-THERAPY IN MILD TO MODERATE DEPRESSION AND AS AN ADJUVANT IN SEVERAL PSYCHIATRIC DISORDERS INCLUDING SCHIZOPHRENIA, ANXIETY DISORDERS, SUBSTANCE USE DISORDERS AND MILD COGNITIVE IMPAIRMENT. FURTHERMORE, SYSTEMATIC ATTEMPTS HAVE BEEN MADE TO UNDERSTAND THE BIOLOGICAL CORRELATES OF YOGA IN THESE PSYCHIATRIC DISORDERS. GIVEN THAT NO PSYCHIATRIC DISORDER HAS STRONG AND ESTABLISHED BIOMARKERS, IT IS INTERESTING THAT PRELIMINARY RESEARCH HAS DEMONSTRATED SIGNIFICANT CHANGES IN CERTAIN IMPORTANT BIOMARKERS FOLLOWING REGULAR YOGA PRACTICE. IN THIS BRIEF REVIEW, WE PROVIDE AN UPDATE ON THE EFFECTS OF YOGA ON BIOCHEMICAL, NEURO-PHYSIOLOGICAL AND NEURO-IMAGING RELATED BIO-MARKERS IN PSYCHIATRIC DISORDERS. ALTHOUGH FINDINGS AND TRENDS ARE PROMISING, MUCH MORE RESEARCH IS WARRANTED TO ESTABLISH A DEFINITE BIOLOGICAL BASIS FOR YOGA IN PSYCHIATRY. 2021 18 1575 23 MANAGING MENTAL HEALTH DISORDERS RESULTING FROM TRAUMA THROUGH YOGA: A REVIEW. THERE ARE MANY AND VARIED TYPES OF TRAUMA. THE EXTENT TO WHICH TRAUMA INFLUENCES THE MENTAL HEALTH OF AN INDIVIDUAL DEPENDS ON THE NATURE OF TRAUMA, AS WELL AS ON THE INDIVIDUAL'S COPING CAPABILITIES. OFTEN TRAUMA IS FOLLOWED BY DEPRESSION, ANXIETY, AND PTSD. AS THE PHARMACOLOGICAL REMEDIES FOR THESE CONDITIONS OFTEN HAVE UNDESIRABLE SIDE-EFFECTS, NONPHARMACOLOGICAL REMEDIES ARE THOUGHT OF AS A POSSIBLE ADD-ON TREATMENT. YOGA IS ONE SUCH MIND-BODY INTERVENTION. THIS PAPER COVERS ELEVEN STUDIES INDEXED IN PUBMED, IN WHICH MENTAL HEALTH DISORDERS RESULTING FROM TRAUMA WERE MANAGED THROUGH YOGA INCLUDING MEDITATION. THE AIM WAS TO EVALUATE THE USE OF YOGA IN MANAGING TRAUMA-RELATED DEPRESSION, ANXIETY, PTSD AND PHYSIOLOGICAL STRESS FOLLOWING EXPOSURE TO NATURAL CALAMITIES, WAR, INTERPERSONAL VIOLENCE, AND INCARCERATION IN A CORRECTIONAL FACILITY. AN ATTEMPT HAS ALSO BEEN MADE TO EXPLORE POSSIBLE MECHANISMS UNDERLYING BENEFITS SEEN. AS MOST OF THESE STUDIES WERE NOT DONE ON PERSONS EXPOSED TO TRAUMA THAT HAD PRACTICED YOGA, THIS IS A DEFINITE AREA FOR FURTHER RESEARCH. 2012 19 2067 23 THE CONSCIOUSNESS STATE OF TRADITIONAL NIDRA YOGA/MODERN YOGA NIDRA: PHENOMENOLOGICAL CHARACTERIZATION AND PRELIMINARY INSIGHTS FROM AN EEG STUDY. NIDRA YOGA IS AN ANCIENT YOGIC PRACTICE CAPABLE OF INDUCING ALTERED STATES OF CONSCIOUSNESS CHARACTERIZED BY DEEP RELAXATION, STRONG CONCENTRATION, ACUTE SELF-AWARENESS, AND JOY. IN MODERN CONTEMPLATIVE NEUROSCIENCE LANGUAGE, IT IS KNOWN BY THE NAME YOGA NIDRA, AND FEW STUDIES HAVE INVESTIGATED ITS PHENOMENOLOGICAL AND PSYCHOPHYSIOLOGICAL EFFECTS. SIX HEALTHY VOLUNTEERS (FOUR FEMALES AGED 31-74) PERFORMED 12 YOGA NIDRA SESSIONS GUIDED BY AN EXPERT DURING A 6-DAY RETREAT. EACH SESSION CONSISTED OF 10 MINUTES IN A RESTING STATE (BASELINE) FOLLOWED BY 2 HOURS OF YOGA NIDRA. PSYCHOMETRIC DATA REGARDING DISSOCIATIVE EXPERIENCES (CLINICIAN ADMINISTERED DISSOCIATIVE STATES SCALE) AND THE STATE OF CONSCIOUSNESS (PHENOMENOLOGY OF CONSCIOUSNESS INVENTORY) WERE COLLECTED AFTER BASELINE AND YOGA NIDRA, WHILE HIGH-DENSITY EEG WAS RECORDED DURING THE ENTIRE SESSION. DURING NIDRA SESSIONS, NO SLEEP HALLMARKS (I.E., K-COMPLEXES AND SLEEP SPINDLES) WERE DETECTED BY THE EEG IN ANY SUBJECT. PSYCHOMETRIC DATA WE RE ANALYZED USING A WILCOXON SIGNED-RANK TEST CORRECTED WITH THE FALSE DISCOVERY RATE APPROACH FOR MULTIPLE COMPARISONS. COMPARED TO BASELINE, YOGA NIDRA PRACTICE WAS RELATED TO: (1) INCREASED DISSOCIATIVE EFFECTS (P = 0.022); (2) PERCEPTION OF BEING IN AN ALTERED STATE OF CONSCIOUSNESS (P = 0.026); (3) ALTERATIONS IN PERCEIVED BODY IMAGE (P = 0.022); (4) INCREASED "MEANINGFULNESS" ATTRIBUTED TO THE EXPERIENCE (P = 0.026); (5) REDUCED RATIONAL THINKING (P = 0.029); AND (6) REDUCED VOLITIONAL THOUGHT CONTROL (P = 0.026). FIRST-PERSON EXPERIENCE IS DISCUSSED IN RELATION TO DESCRIPTIVE EEG POWER SPECTRAL DENSITY ANALYSIS, WHICH WAS PERFORMED IN ONE SUBJECT BECAUSE OF SEVERE EEG ARTIFACTS IN THE OTHER RECORDINGS; THAT SUBJECT SHOWED, COMPARED TO BASELINE: (1) EARLY INCREASE OF ALPHA AND BETA POWER, FOLLOWED BY A PROGRESSIVE WIDESPREAD REDUCTION; (2) WIDESPREAD EARLY INCREASE OF THETA POWER, FOLLOWED BY A PROGRESSIVE REDUCTION; AND (3) WIDESPREAD INCREASE OF GAMMA POWER IN THE LATEST STAGES. THE PRESENT PRELIMINARY RESULTS ENRICH THE KNOWLEDGE OF YOGA NIDRA, ELUCIDATING ITS PHENOMENOLOGY AND SUGGESTING SOME PSYCHOPHYSIOLOGICAL CORRELATES THAT FUTURE STUDIES MAY ADDRESS. 2021 20 1294 20 GUIDELINES FOR DEVELOPING YOGA INTERVENTIONS FOR RANDOMIZED TRIALS. LITTLE GUIDANCE IS AVAILABLE TO ASSIST RESEARCHERS IN DEVELOPING TREATMENT PROTOCOLS FOR RESEARCH ON YOGA FOR HEALTH CONCERNS. BECAUSE YOGA IS A COMPLEX MULTIFACTORIAL MIND-BODY DISCIPLINE HISTORICALLY DEVELOPED FOR NONMEDICAL PURPOSES, NUMEROUS DECISIONS MUST BE MADE IN ORDER TO THOUGHTFULLY DEVELOP SUCH PROTOCOLS. IN THIS PAPER, A SYSTEMATIC APPROACH IS PROPOSED TO ASSIST RESEARCHERS IN SELECTING AN INTERVENTION THAT IS APPROPRIATE FOR THE CONDITION UNDER CONSIDERATION AND EXPLICITLY DEVELOPED. RESEARCHERS NEED TO CONSIDER THE TYPE OR "STYLE" OF YOGA, THE COMPONENTS TO INCLUDE (E.G., BREATHING EXERCISES, POSTURES) AS WELL AS THE SPECIFIC PROTOCOL FOR EACH COMPONENT, THE DOSE TO BE DELIVERED (FREQUENCY, DURATION OF PRACTICE, AND THE TOTAL DURATION OF PRACTICE), AND ISSUES RELATED TO SELECTION OF INSTRUCTORS AND MONITORING THE FIDELITY TO THE INTERVENTION. EACH OF THESE DOMAINS AND THE KEY ISSUES FOR THE DEVELOPMENT OF PROTOCOLS IS DISCUSSED. FINALLY, SOME AREAS FOR FURTHER RESEARCH RELATED TO PROTOCOL DEVELOPMENT ARE RECOMMENDED. 2012