1 2423 129 YOGA AND MINDFULNESS INTERVENTIONS FOR PRESCHOOL-AGED CHILDREN IN EDUCATIONAL SETTINGS: A SYSTEMATIC REVIEW. EARLY CHILDHOOD AND THE PRE-SCHOOL STAGE OF DEVELOPMENT CONSTITUTE A DYNAMIC PERIOD FOR ACQUISITION OF SOCIAL-EMOTIONAL COMPETENCIES. YOGA AND MINDFULNESS PRACTICES (YMP) HAVE BECOME INCREASINGLY USED IN SCHOOLS FOR SOCIAL EMOTIONAL LEARNING, BUT LESS IS KNOWN ABOUT THEIR UTILITY IN EARLY CHILDHOOD SETTINGS. A SYSTEMATIC REVIEW USING PRISMA GUIDELINES WAS UNDERTAKEN TO EXPLORE THE EFFECT OF YMP ON SOCIAL EMOTIONAL FUNCTION AMONG PRESCHOOL-AGED CHILDREN (3-5 YEARS). THE REVIEW RESULTED IN IDENTIFICATION OF 1115 RECORDS, OF WHICH 80 FULL TEXT ARTICLES WERE SCREENED, WITH FINAL INCLUSION OF 16 STUDIES. INCLUDED STUDIES EVALUATED THE EFFECT OF YMP ON SOCIAL-EMOTIONAL FUNCTIONING, AND IDENTIFIED THE POTENTIAL FOR YMP TO IMPROVE REGULATORY SKILLS SUCH AS BEHAVIORAL SELF-REGULATION AND EXECUTIVE FUNCTION. AMONG STUDIES REVIEWED, 13 REPORTED IMPROVEMENTS IN THESE DOMAINS, BUT QUALITY APPRAISAL INDICATED SIGNIFICANT VARIABILITY IN RISK OF BIAS ACROSS STUDIES, AND HETEROGENEITY OF OUTCOME MEASUREMENTS HINDERED COMPARISON. PROGRAMS APPEARED TO PRODUCE BETTER RESULTS WHEN IMPLEMENTED FOR AT LEAST 6 WEEKS AND AMONG CHILDREN WHO HAD LOWER BASELINE SOCIAL-EMOTIONAL FUNCTIONING. YMP CONSTITUTE A PROMISING STRATEGY FOR SOCIAL EMOTIONAL DEVELOPMENT IN EARLY CHILDHOOD SETTINGS, BUT ADDITIONAL RIGOROUSLY DESIGNED STUDIES ARE NEEDED TO EXPAND UNDERSTANDING OF HOW AND WHY THESE PROGRAMS ARE EFFECTIVE. 2021 2 2170 32 THE EFFECTS OF YOGA ON ANXIETY AND STRESS. STRESS AND ANXIETY HAVE BEEN IMPLICATED AS CONTRIBUTORS TO MANY CHRONIC DISEASES AND TO DECREASED QUALITY OF LIFE, EVEN WITH PHARMACOLOGIC TREATMENT. EFFORTS ARE UNDERWAY TO FIND NON-PHARMACOLOGIC THERAPIES TO RELIEVE STRESS AND ANXIETY, AND YOGA IS ONE OPTION FOR WHICH RESULTS ARE PROMISING. THE FOCUS OF THIS REVIEW IS ON THE RESULTS OF HUMAN TRIALS ASSESSING THE ROLE OF YOGA IN IMPROVING THE SIGNS AND SYMPTOMS OF STRESS AND ANXIETY. OF 35 TRIALS ADDRESSING THE EFFECTS OF YOGA ON ANXIETY AND STRESS, 25 NOTED A SIGNIFICANT DECREASE IN STRESS AND/OR ANXIETY SYMPTOMS WHEN A YOGA REGIMEN WAS IMPLEMENTED; HOWEVER, MANY OF THE STUDIES WERE ALSO HINDERED BY LIMITATIONS, SUCH AS SMALL STUDY POPULATIONS, LACK OF RANDOMIZATION, AND LACK OF A CONTROL GROUP. FOURTEEN OF THE 35 STUDIES REPORTED BIOCHEMICAL AND PHYSIOLOGICAL MARKERS OF STRESS AND ANXIETY, BUT YIELDED INCONSISTENT SUPPORT OF YOGA FOR RELIEF OF STRESS AND ANXIETY. EVALUATION OF THE CURRENT PRIMARY LITERATURE IS SUGGESTIVE OF BENEFITS OF YOGA IN RELIEVING STRESS AND ANXIETY, BUT FURTHER INVESTIGATION INTO THIS RELATIONSHIP USING LARGE, WELL-DEFINED POPULATIONS, ADEQUATE CONTROLS, RANDOMIZATION AND LONG DURATION SHOULD BE EXPLORED BEFORE RECOMMENDING YOGA AS A TREATMENT OPTION. 2012 3 1669 27 NEUROPHYSIOLOGICAL AND NEUROCOGNITIVE MECHANISMS UNDERLYING THE EFFECTS OF YOGA-BASED PRACTICES: TOWARDS A COMPREHENSIVE THEORETICAL FRAMEWORK. DURING RECENT DECADES NUMEROUS YOGA-BASED PRACTICES (YBP) HAVE EMERGED IN THE WEST, WITH THEIR AIMS RANGING FROM FITNESS GAINS TO THERAPEUTIC BENEFITS AND SPIRITUAL DEVELOPMENT. YOGA IS ALSO BEGINNING TO SPARK GROWING INTEREST WITHIN THE SCIENTIFIC COMMUNITY, AND YOGA-BASED INTERVENTIONS HAVE BEEN ASSOCIATED WITH MEASUREABLE CHANGES IN PHYSIOLOGICAL PARAMETERS, PERCEIVED EMOTIONAL STATES, AND COGNITIVE FUNCTIONING. YBP TYPICALLY INVOLVE A COMBINATION OF POSTURES OR MOVEMENT SEQUENCES, CONSCIOUS REGULATION OF THE BREATH, AND VARIOUS TECHNIQUES TO IMPROVE ATTENTIONAL FOCUS. HOWEVER, SO FAR LITTLE IF ANY RESEARCH HAS ATTEMPTED TO DECONSTRUCT THE ROLE OF THESE DIFFERENT COMPONENT PARTS IN ORDER TO BETTER UNDERSTAND THEIR RESPECTIVE CONTRIBUTION TO THE EFFECTS OF YBP. A CLEAR OPERATIONAL DEFINITION OF YOGA-BASED THERAPEUTIC INTERVENTIONS FOR SCIENTIFIC PURPOSES, AS WELL AS A COMPREHENSIVE THEORETICAL FRAMEWORK FROM WHICH TESTABLE HYPOTHESES CAN BE FORMULATED, IS THEREFORE NEEDED. HERE WE PROPOSE SUCH A FRAMEWORK, AND OUTLINE THE BOTTOM-UP NEUROPHYSIOLOGICAL AND TOP-DOWN NEUROCOGNITIVE MECHANISMS HYPOTHESIZED TO BE AT PLAY IN YBP. 2015 4 93 30 A NARRATIVE REVIEW OF YOGA AND MINDFULNESS AS COMPLEMENTARY THERAPIES FOR ADDICTION. THIS PAPER REVIEWS THE PHILOSOPHICAL ORIGINS, CURRENT SCIENTIFIC EVIDENCE, AND CLINICAL PROMISE OF YOGA AND MINDFULNESS AS COMPLEMENTARY THERAPIES FOR ADDICTION. HISTORICALLY, THERE ARE EIGHT ELEMENTS OF YOGA THAT, TOGETHER, COMPRISE ETHICAL PRINCIPLES AND PRACTICES FOR LIVING A MEANINGFUL, PURPOSEFUL, MORAL AND SELF-DISCIPLINED LIFE. TRADITIONAL YOGA PRACTICES, INCLUDING POSTURES AND MEDITATION, DIRECT ATTENTION TOWARD ONE'S HEALTH, WHILE ACKNOWLEDGING THE SPIRITUAL ASPECTS OF ONE'S NATURE. MINDFULNESS DERIVES FROM ANCIENT BUDDHIST PHILOSOPHY, AND MINDFULNESS MEDITATION PRACTICES, SUCH AS GENTLE HATHA YOGA AND MINDFUL BREATHING, ARE INCREASINGLY INTEGRATED INTO SECULAR HEALTH CARE SETTINGS. CURRENT THEORETICAL MODELS SUGGEST THAT THE SKILLS, INSIGHTS, AND SELF-AWARENESS LEARNED THROUGH YOGA AND MINDFULNESS PRACTICE CAN TARGET MULTIPLE PSYCHOLOGICAL, NEURAL, PHYSIOLOGICAL, AND BEHAVIORAL PROCESSES IMPLICATED IN ADDICTION AND RELAPSE. A SMALL BUT GROWING NUMBER OF WELL-DESIGNED CLINICAL TRIALS AND EXPERIMENTAL LABORATORY STUDIES ON SMOKING, ALCOHOL DEPENDENCE, AND ILLICIT SUBSTANCE USE SUPPORT THE CLINICAL EFFECTIVENESS AND HYPOTHESIZED MECHANISMS OF ACTION UNDERLYING MINDFULNESS-BASED INTERVENTIONS FOR TREATING ADDICTION. BECAUSE VERY FEW STUDIES HAVE BEEN CONDUCTED ON THE SPECIFIC ROLE OF YOGA IN TREATING OR PREVENTING ADDICTION, WE PROPOSE A CONCEPTUAL MODEL TO INFORM FUTURE STUDIES ON OUTCOMES AND POSSIBLE MECHANISMS. ADDITIONAL RESEARCH IS ALSO NEEDED TO BETTER UNDERSTAND WHAT TYPES OF YOGA AND MINDFULNESS-BASED INTERVENTIONS WORK BEST FOR WHAT TYPES OF ADDICTION, WHAT TYPES OF PATIENTS, AND UNDER WHAT CONDITIONS. OVERALL, CURRENT FINDINGS INCREASINGLY SUPPORT YOGA AND MINDFULNESS AS PROMISING COMPLEMENTARY THERAPIES FOR TREATING AND PREVENTING ADDICTIVE BEHAVIORS. 2013 5 1949 36 SCHOOL-BASED YOGA INTERVENTION INCREASES ADOLESCENT RESILIENCE: A PILOT TRIAL. BACKGROUND: YOUTH OFTEN EXPERIENCE STRESSORS LEADING TO NEGATIVE LONG-TERM OUTCOMES. ENHANCING SOCIAL-EMOTIONAL ATTRIBUTES IS IMPORTANT TO FOSTER RESILIENCY TO FACE THESE CHALLENGES. YOGA MAY ENHANCE SOCIAL-EMOTIONAL RESILIENCY AMONG YOUTH. HOWEVER, RESEARCH REPLICATING SUCH RESULTS IN SCHOOL-SETTINGS IS LIMITED. THIS RESEARCH DETAILS AN INVESTIGATION OF THE EFFECTS OF THE KRIPALU YOGA IN THE SCHOOLS (KYIS) INTERVENTION INTEGRATED INTO A PHYSICAL EDUCATION CLASS AMONG A RACIALLY/ETHNICALLY DIVERSE STUDENT POPULATION. METHOD: MIDDLE SCHOOL SIXTH GRADE STUDENTS (N = 23 STUDENTS; 52% FEMALE; MEAN AGE = 12.1 YEARS) WERE EITHER ENROLLED IN PHYSICAL EDUCATION CLASS THAT INCLUDED KYIS (N = 9), OR WERE ENROLLED IN ART AND MUSIC (CONTROL CONDITION; N = 14). TO EVALUATE EFFECTS ON STUDENT CHARACTERISTICS, SELF-REPORT QUESTIONNAIRES OF SOCIAL-EMOTIONAL COMPETENCE AND PROBLEM BEHAVIOUR WERE ADMINISTERED PRE- AND POST-DELIVERY OF THE CURRICULUM. RESULTS: STUDENTS RECEIVING THE INTERVENTION INCREASED IN SOCIAL-EMOTIONAL COMPETENCE OVER TIME RELATIVE TO THE CONTROL CONDITION. ALTHOUGH PROMISING, RESULTS SHOULD BE INTERPRETED WITH CAUTION, AS STUDENTS WHO RECEIVED THE YOGA INTERVENTION SCORED SIGNIFICANTLY LOWER ON SOCIAL-EMOTIONAL COMPETENCE THAN STUDENTS IN THE CONTROL GROUP AT PRE-INTERVENTION MEASUREMENT TIME POINT. CONCLUSIONS: YOGA MAY IMPROVE SOCIAL-EMOTIONAL COMPETENCE AMONG YOUTH AND FUTURE RESEARCH SHOULD EXPLORE THE UTILITY OF YOGA CURRICULA IN SCHOOL SETTINGS. 2020 6 653 14 EATING DISORDERS, EMBODIMENT, AND YOGA: A CONCEPTUAL OVERVIEW. YOGA AND ITS RELATION TO EMBODIMENT AND DISORDERED EATING HAS ONLY RECENTLY RECEIVED RESEARCH ATTENTION. NEVERTHELESS, EARLY RESEARCH INDICATES THAT YOGA IS AN EFFECTIVE TOOL IN THE PREVENTION AND TREATMENT OF EATING DISORDERS. IT IS ASSUMED THAT YOGA AMELIORATES EATING DISORDER SYMPTOMS AND FACILITATES A SHIFT FROM NEGATIVE TOWARDS POSITIVE BODY IMAGE AND WELL-BEING BY CULTIVATING POSITIVE EMBODIMENT (I.E., THE ABILITY TO FEEL A SENSE OF CONNECTION BETWEEN MIND AND BODY). IN ORDER TO PROVIDE THE CONTEXT OF THE CONSTRUCTS OF DISORDERED EATING, EMBODIMENT, AND YOGA, THIS ARTICLE PRESENTS A BRIEF OVERVIEW AND CONCEPTUALIZATION OF THESE CONSTRUCTS. THE THREE MAJOR EATING DISORDERS AND CURRENT TREATMENT METHODS ARE DESCRIBED. FURTHER, THE PHILOSOPHICAL ROOTS AND THEORETICAL MODELS OF EMBODIMENT ARE DELINEATED AND THEIR COMMUNAL CORE FEATURES ARE OUTLINED. LASTLY, THE ORIGIN, BASIC PRINCIPLES, AND MODERN INTERPRETATIONS OF YOGA ARE DISCUSSED. 2020 7 1489 28 INTERACTIONS BETWEEN BODY AND SOCIAL AWARENESS IN YOGA. BACKGROUND/OBJECTIVE: BODILY PROCESSES HAVE BEEN INTIMATELY LINKED TO SOCIAL-COGNITIVE AND AFFECTIVE FUNCTIONS, SUCH AS COMPASSION AND EMPATHY. YET, LITTLE IS KNOWN ABOUT HOW AWARENESS OF BODILY PROCESSES INFLUENCES SOCIAL AWARENESS AND VICE VERSA, ESPECIALLY IN NONOBSERVATIONAL BUT EXPERIENTIAL INVESTIGATIONS. THIS STUDY INVESTIGATED THE RELATIONSHIP BETWEEN PSYCHOMETRICALLY REPORTED BODY AND SOCIAL AWARENESS (INCLUDING ALTRUISM, EMPATHY, PERSPECTIVE-TAKING, AND COMPASSION) IN 90 YOGA AND YOGA-/MEDIATION-NAIVE CONTROL PARTICIPANTS. IN MODERN POSTURAL YOGA, ADVANCED PRACTITIONERS CLAIM BOTH INCREASED COMPASSION AND INNER FOCUS. METHODS: MULTIPLE REGRESSION ANALYSES WERE CONDUCTED TO PREDICT (1) THE LEVEL OF YOGA PRACTICE FROM BODY AWARENESS AND SOCIAL AWARENESS SKILLS IN THE YOGA GROUP AND (2) BODY AWARENESS FROM SOCIAL SKILLS IN BOTH GROUPS. RESULTS: BODY AWARENESS AND COMPASSION WERE SIGNIFICANT POSITIVE AND INDEPENDENT PREDICTORS OF YOGA EXPERTISE. THIS FINDING SUPPORTS PRACTITIONERS' ANECDOTAL CLAIMS BUT ALSO IMPLIES THAT BOTH FUNCTIONS TAP INTO DIFFERENT ASPECTS OF YOGA EXPERTISE. WHEN BODY AWARENESS WAS PREDICTED, ALTRUISM EMERGED AS A SIGNIFICANT NEGATIVE PREDICTOR IN THE YOGA GROUP (BUT NOT CONTROL GROUP) AS A FUNCTION OF YOGA PRACTICE. CONCLUSION: THESE RESULTS MIGHT COMPELLINGLY SUGGEST THAT, DESPITE HIGH COMPASSION, HEIGHTENED BODILY SELF-AWARENESS MIGHT INCREASE A SELF-CENTRED PERSPECTIVE AND LIMIT ALTRUISTIC ACTS IN ADVANCED YOGA PRACTITIONERS. 2017 8 571 15 DEFINING YOGA-NIDRA: TRADITIONAL ACCOUNTS, PHYSIOLOGICAL RESEARCH, AND FUTURE DIRECTIONS. THE TERM YOGA-NIDRA HAS BEEN USED IN MANY EMPIRICAL STUDIES TO REFER TO RELAXATION AND GUIDED IMAGERY. THESE TECHNIQUES DO NOT REPRESENT THE INTENTION OR PHYSIOLOGICAL CORRELATES OF YOGANIDRA DISCUSSED IN THE TRADITIONAL YOGA LITERATURE. WE PROPOSE AN OPERATIONAL DEFINITION OF YOGA-NIDRA THAT IS SUPPORTED BY SEVERAL PHYSIOLOGICALLY TESTABLE HYPOTHESES REGARDING ITS OUTCOMES AND EFFECTS. TRADITIONAL DESCRIPTIONS OF YOGA-NIDRA AND CONTEMPORARY ACCOUNTS OF ITS PRACTICE ARE REVIEWED, AND STUDIES EXAMINING THE PHYSIOLOGICAL CORRELATES OF YOGA-NIDRA ARE EXAMINED. PROPOSED HYPOTHESES FOR FUTURE RESEARCH USING THIS OPERATIONAL DEFINITION ARE PROVIDED. 2013 9 2438 18 YOGA AND QIGONG IN THE PSYCHOLOGICAL PREVENTION OF MENTAL HEALTH DISORDERS: A CONCEPTUAL SYNTHESIS. THE STUDY PROPOSES TO EXPLORE TWO ALTERNATIVE MEDICINE THERAPIES-QIGONG AND YOGA FOR BALANCING THE ESSENTIAL DUO OF HOLISTIC MIND-BODY AND CONSEQUENTLY OFFER A SOLUTION FOR STRESS, UNCERTAINTY, ANXIETY AND DEPRESSION. QUALITATIVE RESEARCH METHODS HAVE BEEN USED TO CREATE A CONCEPTUAL SYNTHESIS OF YOGA AND QIGONG. IT IS SUGGESTED THAT AN INCREASED SENSE OF CONTROL IS THE INTERFACE BETWEEN THESE TWO MODALITIES. THIS CONCEPTUAL CONGRUENCE OF QIGONG AND YOGA IS THOUGHT TO BE A SELECTIVE, CURATIVE METHOD, A PRESCRIPTION FOR IDEAL LIVING AND A GROUND OF HUMAN ESSENCE EXISTENCE. FURTHERMORE, THIS ESSENCE IS THOUGHT TO ENHANCE THE MIND'S SELF-REGULATORY PROCESSES AND PREVENT MENTAL HEALTH DISORDERS. THE TWO ALTERNATIVE THERAPIES CAN PREVENT MENTAL HEALTH DISORDERS SUCH AS ANXIETY, DEPRESSION AND, MINIMIZE MENTAL HEALTH DISRUPTIONS SUCH AS STRESS AND POOR QUALITY OF LIFE. IT IS SUGGESTED THAT PATIENTS AND/OR CLIENTS CAN BENEFIT FROM THIS FUSION. 2010 10 3 28 "I AM A NICE PERSON WHEN I DO YOGA!!!" A QUALITATIVE ANALYSIS OF HOW YOGA AFFECTS RELATIONSHIPS. PURPOSE: TO DEVELOP A BETTER UNDERSTANDING OF HOW YOGA PRACTICE AFFECTS ONE'S INTERPERSONAL RELATIONSHIPS. DESIGN: QUALITATIVE. METHOD: CONTENT ANALYSIS WAS USED TO QUALITATIVELY ANALYZE WRITTEN COMMENTS (N = 171) MADE REGARDING YOGA IMPROVING INTERPERSONAL RELATIONSHIPS IN A LARGE CROSS-SECTIONAL SURVEY OF YOGA PRACTITIONERS (N = 1,067). FINDINGS: FOUR THEMES WERE IDENTIFIED: YOGA PRACTICE LEADS TO PERSONAL TRANSFORMATION, INCREASES SOCIAL INTERACTION, PROVIDES COPING MECHANISMS TO WEATHER RELATIONSHIP LOSSES AND DIFFICULTIES, AND LEADS TO SPIRITUAL TRANSCENDENCE. PRACTITIONERS BELIEVED THAT THEIR INTERPERSONAL RELATIONSHIPS IMPROVED BECAUSE THEIR ATTITUDE AND PERSPECTIVE HAD CHANGED, MAKING THEM MORE PATIENT, KIND, MINDFUL, AND SELF-AWARE. THEY EXPRESSED AN ASPECT OF COMMUNITY THAT WAS BOTH PRACTICAL (THEY MET NEW FRIENDS) AND SPIRITUAL (THEY FELT THEY BELONGED). THEY THOUGHT THEY COULD BETTER WEATHER DIFFICULTIES SUCH AS DIVORCE AND DEATH. A NUMBER DISCUSSED FEELING A SENSE OF PURPOSE AND THAT THEIR PRACTICE CONTRIBUTED TO A GREATER GOOD. CONCLUSIONS: THERE APPEARS TO BE AN ASPECT OF COMMUNITY ASSOCIATED WITH YOGA PRACTICE THAT MAY BE BENEFICIAL TO ONE'S SOCIAL AND SPIRITUAL HEALTH. YOGA COULD BE BENEFICIAL FOR POPULATIONS AT RISK FOR SOCIAL ISOLATION, SUCH AS THOSE WHO ARE ELDERLY, BEREAVED, AND DEPRESSED, AS WELL AS INDIVIDUALS UNDERGOING INTERPERSONAL CRISES. 2014 11 946 31 EFFECTS OF A 12-WEEKS YOGA INTERVENTION ON MOTOR AND COGNITIVE ABILITIES OF PRESCHOOL CHILDREN. SINCE EARLY CHILDHOOD IS REGARDED AS AN IMPORTANT PERIOD OF MOTOR AND COGNITIVE DEVELOPMENT, UNDERSTANDING THE EFFECTS OF PHYSICAL ACTIVITY ON MOTOR ABILITES AND COGNITIVE DEVELOPMENT IN PRESCHOOL CHILDREN HAS MAJOR PUBLIC HEALTH IMPLICATIONS. THIS STUDY INVESTIGATES THE EFFECTS OF A 12 WEEKS' YOGA INTERVENTION PROGRAM ON MOTOR AND COGNITIVE ABILITIES IN PRESCHOOL CHILDREN. PRESCHOOL CHILDREN (N = 45; AGE 5-6 YEARS) ATTENDING REGULAR PRESCHOOL PROGRAMS WERE NON-RANDOMLY ASSIGNED TO YOGA INTERVENTION (N = 23; 30 MIN SESSIONS THREE TIMES PER WEEK) OR A CONTROL GROUP (N = 22; NO ADDITIONAL ORGANIZED PHYSICAL ACTIVITY PROGRAM). EXERCISE TRAINING FOR THE INTERVENTION GROUP INCLUDED YOGA PROGRAM. MOTOR ABILITIES (BOT-2 SUBTESTS: FINE MOTOR INTEGRATION, MANUAL DEXTERITY, BALANCE AND BILATERAL COORDINATION), AND COGNITIVE ABILITIES (SCHOOL MATURITY TEST SUBTESTS: VISUAL MEMORY, STACKING CUBES AND CODES) WERE ASSESSED BEFORE AND AFTER THE INTERVENTION PERIOD IN BOTH GROUPS. DATA WERE ANALYZED USING REPEATED-MEASURES ANOVA. PARTICIPANTS IN THE INTERVENTION GROUP IMPROVED FINE MOTOR INTEGRATION (P = 0.022), FINE MOTOR SKILLS IN GENERAL (0.029), BILATERAL COORDINATION (0.000), BALANCE (0.000), AND BODY COORDINATION (0.000). PRESCHOOL CHILDREN'S PARTICIPATION IN THE PRESCHOOL YOGA INTERVENTION SIGNIFICANTLY IMPROVED THEIR MOTOR ABILITIES, BUT NOT THEIR COGNITIVE ABILITIES. 2021 12 2714 25 YOGA LESSONS FOR CONSCIOUSNESS RESEARCH: A PARALIMBIC NETWORK BALANCING BRAIN RESOURCE ALLOCATION. CONSCIOUSNESS HAS BEEN PROPOSED TO PLAY A KEY ROLE IN SHAPING FLEXIBLE LEARNING AND AS SUCH IS THOUGHT TO CONFER AN EVOLUTIONARY ADVANTAGE. ATTENTION AND AWARENESS ARE THE PERHAPS MOST IMPORTANT UNDERLYING PROCESSES, YET THEIR PRECISE RELATIONSHIP IS PRESENTLY UNCLEAR. BOTH OF THESE PROCESSES MUST, HOWEVER, SERVE THE EVOLUTIONARY IMPERATIVES OF SURVIVAL AND PROCREATION. THEY ARE THUS INTIMATELY BOUND BY REWARD AND EMOTION TO HELP TO PRIORITIZE EFFICIENT BRAIN RESOURCE ALLOCATION IN ORDER TO PREDICT AND OPTIMIZE BEHAVIOR. HERE WE SHOW HOW THIS PROCESS IS SERVED BY A PARALIMBIC NETWORK CONSISTING PRIMARILY OF REGIONS LOCATED ON THE MIDLINE OF THE HUMAN BRAIN. USING MANY DIFFERENT TECHNIQUES, EXPERIMENTS HAVE DEMONSTRATED THAT THIS NETWORK IS EFFECTIVE AND SPECIFIC FOR SELF-AWARENESS AND CONTRIBUTES TO THE SENSE OF UNITY OF CONSCIOUSNESS BY ACTING AS A COMMON NEURAL PATH FOR A WIDE VARIETY OF CONSCIOUS EXPERIENCES. INTERESTINGLY, HEMODYNAMIC ACTIVITY IN THE NETWORK DECREASES WITH FOCUSING ON EXTERNAL STIMULI, WHICH HAS LED TO THE IDEA OF A DEFAULT MODE NETWORK. THIS NETWORK IS ONE OF MANY NETWORKS THAT WAX AND VANE AS RESOURCES ARE ALLOCATED TO ACCOMMODATE THE DIFFERENT CYCLICAL NEEDS OF THE ORGANISM PRIMARILY RELATED TO THE FUNDAMENTAL PLEASURES AFFORDED BY EVOLUTION: FOOD, SEX, AND CONSPECIFICS. HERE WE HYPOTHESIZE, HOWEVER, THAT THE PARALIMBIC NETWORK SERVES A CRUCIAL ROLE IN BALANCING AND REGULATING BRAIN RESOURCE ALLOCATION, AND DISCUSS HOW IT CAN BE THOUGHT OF AS A LINK BETWEEN CURRENT THEORIES OF SO-CALLED "DEFAULT MODE," "RESTING STATE NETWORKS," AND "GLOBAL WORKSPACE." WE SHOW HOW MAJOR DEVELOPMENTAL DISORDERS OF SELF-AWARENESS AND SELF-CONTROL CAN ARISE FROM PROBLEMS IN THE PARALIMBIC NETWORK AS DEMONSTRATED HERE BY THE EXAMPLE OF ASPERGER SYNDROME. WE CONCLUDE THAT ATTENTION, AWARENESS, AND EMOTION ARE INTEGRATED BY A PARALIMBIC NETWORK THAT HELPS TO EFFICIENTLY ALLOCATE BRAIN RESOURCES TO OPTIMIZE BEHAVIOR AND HELP SURVIVAL. 2011 13 2443 20 YOGA AND SEXUAL FUNCTIONING: A REVIEW. YOGA IS AN ANCIENT PRACTICE WITH EASTERN ROOTS THAT INVOLVES BOTH PHYSICAL POSTURES (ASANAS) AND BREATHING TECHNIQUES (PRANAYAMAS). THERE IS ALSO A COGNITIVE COMPONENT FOCUSING ON MEDITATION AND CONCENTRATION, WHICH AIDS IN ACHIEVING THE GOAL OF UNION BETWEEN THE SELF AND THE SPIRITUAL. ALTHOUGH NUMEROUS EMPIRICAL STUDIES HAVE FOUND A BENEFICIAL EFFECT OF YOGA ON DIFFERENT ASPECTS OF PHYSICAL AND PSYCHOLOGICAL FUNCTIONING, CLAIMS OF YOGA'S BENEFICIAL EFFECTS ON SEXUALITY DERIVE FROM A RICH BUT NONEMPIRICAL LITERATURE. THE GOAL OF THIS ARTICLE IS TO REVIEW THE PHILOSOPHY AND FORMS OF YOGA, TO REVIEW THE NONEMPIRICAL AND (LIMITED) EMPIRICAL LITERATURES LINKING YOGA WITH ENHANCED SEXUALITY, AND TO PROPOSE SOME FUTURE RESEARCH AVENUES FOCUSINGING ON YOGA AS A TREATMENT FOR SEXUAL COMPLAINTS. 2009 14 1908 40 REVIEW: YOGA AND MINDFULNESS FOR YOUTH WITH AUTISM SPECTRUM DISORDER: REVIEW OF THE CURRENT EVIDENCE. BACKGROUND: YOGA AND MINDFULNESS-BASED PROGRAMS ARE BECOMING INCREASINGLY POPULAR AS A SUPPLEMENTAL INTERVENTION FOR CHILDREN AND ADOLESCENTS WITH AUTISM SPECTRUM DISORDERS (ASD). INCREASING NUMBERS OF CHILDREN, PARENTS, AND SCHOOLS ARE PARTICIPATING IN PROGRAMS AROUND THE COUNTRY WITH AN ENTHUSIASM THAT FAR EXCEEDS THE RESEARCH SUPPORT FOR THEIR EFFICACY. THERAPIES THAT ARE SAFE BUT NOT EFFECTIVE MAY NOT CAUSE IMMEDIATE HARM. NEVERTHELESS, THE MISAPPROPRIATION OF LIMITED TIME AND FINANCIAL RESOURCES MAY RESULT IN MISSED OPPORTUNITIES. THE NEED FOR CLEARLY DEFINED, EVIDENCE-BASED THERAPIES FOR YOUTH WITH ASD IS ESSENTIAL. METHOD: ELECTRONIC DATABASES WERE SEARCHED FOR PEER-REVIEWED INTERVENTION RESEARCH STUDIES USING THE KEY WORDS AUTISTIC OR AUTISM IN COMBINATION WITH YOGA, MINDFULNESS, OR MEDITATION. EIGHT STUDIES MET INCLUSION CRITERIA. RESULTS: THE FINDINGS ARE DESCRIBED IN THIS CRITICAL REVIEW OF EIGHT EMPIRICAL RESEARCH STUDIES THAT IMPLEMENTED YOGA AND MINDFULNESS-BASED INTERVENTIONS FOR CHILDREN WITH ASD. ALTHOUGH FEW STUDIES REPORTED IMPROVEMENTS IN CORE SYMPTOMS OF ASD, PRELIMINARY FINDINGS SUGGEST THAT YOGA AND MINDFULNESS-BASED INTERVENTIONS ARE FEASIBLE AND MAY IMPROVE A VARIETY OF PROSOCIAL BEHAVIORS, INCLUDING COMMUNICATION AND IMITATIVE BEHAVIORS; INCREASED TOLERANCE OF SITTING AND OF ADULT PROXIMITY; SELF-CONTROL; QUALITY OF LIFE; AND SOCIAL RESPONSIVENESS, SOCIAL COMMUNICATION, SOCIAL COGNITION, PREOCCUPATIONS, AND SOCIAL MOTIVATION. REDUCTIONS IN AGGRESSIVE BEHAVIORS, IRRITABILITY, LETHARGY, SOCIAL WITHDRAWAL, AND NONCOMPLIANCE WERE ALSO REPORTED. CONCLUSIONS: BASED ON THE AVAILABLE LITERATURE, THE EMPIRICAL EVIDENCE TO SUPPORT THE EFFICACY OF YOGA AND MINDFULNESS-BASED INTERVENTIONS FOR CHILDREN AND ADOLESCENTS WITH ASD IS INCONCLUSIVE. THE CURRENT BODY OF RESEARCH HAS SIGNIFICANT LIMITATIONS, INCLUDING SMALL SAMPLE SIZES, NO FIDELITY MEASURES, AND NO CONTROL GROUPS. EACH OF THE EIGHT STUDIES, HOWEVER, REPORTED SOME POSITIVE EFFECTS ON SOCIAL, EMOTIONAL, OR BEHAVIORAL METRICS. THESE EARLY RESULTS ARE PROMISING AND SUFFICIENT TO WARRANT SUPPORT FOR FURTHER RESEARCH. 2019 15 145 36 A QUALITATIVE EVALUATION OF STUDENT LEARNING AND SKILLS USE IN A SCHOOL-BASED MINDFULNESS AND YOGA PROGRAM. PREVIOUS STUDIES ON SCHOOL-BASED MINDFULNESS AND YOGA PROGRAMS HAVE FOCUSED PRIMARILY ON QUANTITATIVE MEASUREMENT OF PROGRAM OUTCOMES. THIS STUDY USED QUALITATIVE DATA TO INVESTIGATE PROGRAM CONTENT AND SKILLS THAT STUDENTS REMEMBERED AND APPLIED IN THEIR DAILY LIVES. DATA WERE GATHERED FOLLOWING A 16-WEEK MINDFULNESS AND YOGA INTERVENTION DELIVERED AT THREE URBAN SCHOOLS BY A COMMUNITY NON-PROFIT ORGANIZATION. WE CONDUCTED FOCUS GROUPS AND INTERVIEWS WITH NINE CLASSROOM TEACHERS WHO DID NOT PARTICIPATE IN THE PROGRAM AND HELD SIX FOCUS GROUPS WITH 22 FIFTH AND SIXTH GRADE PROGRAM PARTICIPANTS. THIS STUDY ADDRESSES TWO PRIMARY RESEARCH QUESTIONS: (1) WHAT SKILLS DID STUDENTS LEARN, RETAIN, AND UTILIZE OUTSIDE THE PROGRAM? AND (2) WHAT CHANGES DID CLASSROOM TEACHERS EXPECT AND OBSERVE AMONG PROGRAM RECIPIENTS? FOUR MAJOR THEMES RELATED TO SKILL LEARNING AND APPLICATION EMERGED AS FOLLOWS: (1) YOUTHS RETAINED AND UTILIZED PROGRAM SKILLS INVOLVING BREATH WORK AND POSES; (2) KNOWLEDGE ABOUT HEALTH BENEFITS OF THESE TECHNIQUES PROMOTED SELF-UTILIZATION AND SHARING OF SKILLS; (3) YOUTHS DEVELOPED KEENER EMOTIONAL APPRAISAL THAT, COUPLED WITH NEW AND IMPROVED EMOTIONAL REGULATION SKILLS, HELPED DE-ESCALATE NEGATIVE EMOTIONS, PROMOTE CALM, AND REDUCE STRESS; AND (4) YOUTHS AND TEACHERS REPORTED REALISTIC AND OPTIMISTIC EXPECTATIONS FOR FUTURE IMPACT OF ACQUIRED PROGRAM SKILLS. WE DISCUSS IMPLICATIONS OF THESE FINDINGS FOR GUIDING FUTURE RESEARCH AND PRACTICE. 2016 16 148 22 A QUALITATIVE EXPLORATION OF IMPLEMENTATION FACTORS IN A SCHOOL-BASED MINDFULNESS AND YOGA PROGRAM: LESSONS LEARNED FROM STUDENTS AND TEACHERS. IDENTIFYING FACTORS RELEVANT FOR SUCCESSFUL IMPLEMENTATION OF SCHOOL-BASED INTERVENTIONS IS ESSENTIAL TO ENSURE THAT PROGRAMS ARE PROVIDED IN AN EFFECTIVE AND ENGAGING MANNER. THE PERSPECTIVES OF TWO KEY STAKEHOLDERS CRITICAL FOR IDENTIFYING IMPLEMENTATION BARRIERS AND FACILITATORS - STUDENTS AND THEIR CLASSROOM TEACHERS - MERIT ATTENTION IN THIS CONTEXT AND HAVE RARELY BEEN EXPLORED USING QUALITATIVE METHODS. THIS STUDY REPORTS QUALITATIVE PERSPECTIVES OF FIFTH AND SIXTH GRADE PARTICIPANTS AND THEIR TEACHERS OF A 16-WEEK SCHOOL-BASED MINDFULNESS AND YOGA PROGRAM IN THREE PUBLIC SCHOOLS SERVING LOW-INCOME URBAN COMMUNITIES. FOUR THEMES RELATED TO PROGRAM IMPLEMENTATION BARRIERS AND FACILITATORS EMERGED: PROGRAM DELIVERY FACTORS, PROGRAM BUY-IN, IMPLEMENTER COMMUNICATION WITH TEACHERS, AND INSTRUCTOR QUALITIES. FEEDBACK FROM STUDENTS AND TEACHERS IS DISCUSSED IN THE CONTEXT OF INFORMING IMPLEMENTATION, ADAPTATION, AND FUTURE DEVELOPMENT OF SCHOOL-BASED MINDFULNESS AND YOGA PROGRAMMING IN URBAN SETTINGS. 2017 17 1500 20 INTRODUCTION TO THE SPECIAL ISSUE ON YOGA AND POSITIVE EMBODIMENT: A NOTE FROM THE EDITORS ON HOW WE GOT HERE. STUDYING THE PRACTICE OF YOGA AND ITS RELATIONSHIP TO BODY IMAGE, EMBODIMENT, AND EATING DISORDERS BRINGS TOGETHER THE PROFESSIONAL AND PERSONAL ASPECTS OF OUR LIVES AS YOGA PRACTITIONERS, RESEARCHERS, AND WOMEN LIVING IN BODIES WITHIN A SOCIETY THAT CAN BE TOUGH ON BODY APPRECIATION. DEVELOPING THIS EDITION ON "YOGA FOR POSITIVE EMBODIMENT IN EATING DISORDER PREVENTION AND TREATMENT" HAS BEEN A WORK OF LOVE FOR ALL OF US. AS YOGA PRACTITIONERS, WE HAVE PERSONALLY EXPERIENCED THE BENEFITS OF YOGA IN OUR OWN BODIES AND FELT THAT THERE MAY BE BENEFITS FOR OTHERS. AS RESEARCHERS, WE ARE DEDICATED TO THE EXPLORATION AND UTILIZATION OF EVIDENCE-BASED PRACTICES TO ENHANCE WELL-BEING, PROMOTE A POSITIVE BODY IMAGE AND SENSE OF EMBODIMENT, AND BOTH PREVENT AND TREAT EATING DISORDERS. OUR EXPERIENCES AS YOGA PRACTITIONERS, IN CONJUNCTION WITH OUR CURIOSITY AS RESEARCHERS, LED US TO EXPLORE THE EXTANT EVIDENCE FOR YOGA AS A TOOL FOR LEADING TO IMPROVEMENTS IN BODY IMAGE, DISORDERED EATING BEHAVIORS, AND EATING DISORDERS, AND TO EMBARK ON OUR OWN RESEARCH IN THIS AREA TO FILL NECESSARY GAPS IN OUR KNOWLEDGE BASE. OUR LONG-TERM DEDICATION TO THE FIELDS OF BODY IMAGE AND EATING DISORDERS, IN CONJUNCTION WITH OUR EMERGING INTEREST IN YOGA AS A POTENTIAL TOOL, LED US TO THE COMPILATION OF THIS EDITION ON YOGA AND POSITIVE EMBODIMENT. 2020 18 2269 34 THE RELATIONSHIP BETWEEN YOGA AND SPIRITUALITY: A SYSTEMATIC REVIEW OF EMPIRICAL RESEARCH. OBJECTIVE: BOTH YOGA PRACTICE AND SPIRITUALITY ARE ASSOCIATED WITH BENEFICIAL MENTAL HEALTH OUTCOMES. WITHIN YOGA RESEARCH, HOWEVER, SPIRITUALITY IS STILL A WIDELY NEGLECTED AREA. THE PRESENT SYSTEMATIC REVIEW AIMS TO EXPLORE EMPIRICAL STUDIES, WHICH DO, IN FACT, INVESTIGATE THE RELATIONSHIP BETWEEN YOGA AND SPIRITUALITY IN ORDER TO PROVIDE AN OVERVIEW AND FUTURE DIRECTIONS FOR RESEARCH ON THIS TOPIC. THE REVIEW EXAMINES WHETHER AVAILABLE EMPIRICAL RESEARCH SUPPORTS AN ASSOCIATION BETWEEN YOGA PRACTICE AND SPIRITUALITY AND, IF SO, WHICH SPECIFIC ASPECTS OF SPIRITUALITY ARE ASSOCIATED WITH YOGA PRACTICE. METHODS: THE SYSTEMATIC REVIEW FOLLOWED THE PRISMA GUIDELINE (PROSPERO REGISTRATION NUMBER: CRD42020155043). EMPIRICAL STUDIES WRITTEN IN ENGLISH, GERMAN, OR HUNGARIAN LANGUAGE WERE SELECTED FROM A DATABASE SEARCH IN GOOGLE SCHOLAR, PSYCINFO, AND SCIENCE DIRECT. A TOTAL OF 30 STUDIES MET THE FINAL INCLUSION CRITERIA. RESULTS: ACCORDING TO THE QUANTITATIVE AND QUALITATIVE STUDIES REVIEWED, YOGA PRACTICE SEEMS TO BE POSITIVELY ASSOCIATED WITH SPIRITUALITY. THIS ASSOCIATION CONCERNS VARIOUS ASPECTS OF SPIRITUALITY, SUCH AS SPIRITUAL ASPIRATIONS, A SEARCH FOR INSIGHT/WISDOM, AN INTEGRATIVE WORLDVIEW, A SENSE OF MEANING AND PEACE, FAITH, HOPE, COMPASSION, AND HAPPINESS WITHIN. TO HARNESS THE POTENTIAL SPIRITUAL BENEFITS OF YOGA, REGULAR PRACTICE APPEARS TO BE ESSENTIAL. YOGA PRACTITIONERS SEEM TO HAVE BOTH PHYSICAL AND SPIRITUAL MOTIVES FOR PRACTICING. AT LEAST IN WESTERN SOCIETIES, HOWEVER, PHYSICAL INTENTIONS ARE MORE PREVALENT THAN SPIRITUAL ONES. THE MEANING OF SPIRITUALITY FOR YOGA PRACTITIONERS IS ALSO DISCUSSED. DUE TO RISK OF BIAS OF THE MAJORITY OF THE REVIEWED STUDIES, HOWEVER, OUTCOMES MUST BE TAKEN WITH CAUTION. CONCLUSION: YOGA PRACTICE MAY BE POSITIVELY ASSOCIATED WITH SEVERAL ASPECTS OF SPIRITUALITY. FOR MORE EVIDENCE, FURTHER INVESTIGATION OF THE TOPIC IS SUGGESTED. PARTICULARLY, WE PROPOSE THE INCLUSION OF HOLISTIC FORMS OF YOGA PRACTICE AND A COMPARISON OF EASTERN AND WESTERN APPROACHES TO YOGA. 2021 19 347 33 ASSESSING FIDELITY OF IMPLEMENTATION (FOI) FOR SCHOOL-BASED MINDFULNESS AND YOGA INTERVENTIONS: A SYSTEMATIC REVIEW. AS SCHOOL-BASED MINDFULNESS AND YOGA PROGRAMS GAIN POPULARITY, THE SYSTEMATIC STUDY OF FIDELITY OF PROGRAM IMPLEMENTATION (FOI) IS CRITICAL TO PROVIDE A MORE ROBUST UNDERSTANDING OF THE CORE COMPONENTS OF MINDFULNESS AND YOGA INTERVENTIONS, THEIR POTENTIAL TO IMPROVE SPECIFIED TEACHER AND STUDENT OUTCOMES, AND OUR ABILITY TO IMPLEMENT THESE PROGRAMS CONSISTENTLY AND EFFECTIVELY. THIS PAPER REVIEWS THE CURRENT STATE OF THE SCIENCE WITH RESPECT TO INCLUSION AND REPORTING OF FOI IN PEER-REVIEWED STUDIES EXAMINING THE EFFECTS OF SCHOOL-BASED MINDFULNESS AND/OR YOGA PROGRAMS TARGETING STUDENTS AND/OR TEACHERS IMPLEMENTED IN GRADES KINDERGARTEN THROUGH TWELVE (K-12) IN NORTH AMERICA. ELECTRONIC SEARCHES IN PSYCHINFO AND WEB OF SCIENCE FROM THEIR INCEPTION THROUGH MAY 2014, IN ADDITION TO HAND SEARCHES OF RELEVANT REVIEW ARTICLES, IDENTIFIED 312 PUBLICATIONS, 48 OF WHICH MET INCLUSION CRITERIA. FINDINGS INDICATED A RELATIVE PAUCITY OF RIGOROUS FOI. FEWER THAN 10% OF STUDIES OUTLINED POTENTIAL CORE PROGRAM COMPONENTS OR REFERENCED A FORMAL THEORY OF ACTION, AND FEWER THAN 20% ASSESSED ANY ASPECT OF FOI BEYOND PARTICIPANT DOSAGE. THE EMERGING NATURE OF THE EVIDENCE BASE PROVIDES A CRITICAL WINDOW OF OPPORTUNITY TO GRAPPLE WITH KEY ISSUES RELEVANT TO FOI OF MINDFULNESS-BASED AND YOGA PROGRAMS, INCLUDING IDENTIFYING ESSENTIAL ELEMENTS OF THESE PROGRAMS THAT SHOULD BE FAITHFULLY IMPLEMENTED AND HOW WE MIGHT DEVELOP RIGOROUS MEASURES TO ACCURATELY CAPTURE THEM. CONSIDERATION OF THESE QUESTIONS AND SUGGESTED NEXT STEPS ARE INTENDED TO HELP ADVANCE THE EMERGING FIELD OF SCHOOL-BASED MINDFULNESS AND YOGA INTERVENTIONS. 2016 20 21 30 "YOGA RESETS MY INNER PEACE BAROMETER": A QUALITATIVE STUDY ILLUMINATING THE PATHWAYS OF HOW YOGA IMPACTS ONE'S RELATIONSHIP TO ONESELF AND TO OTHERS. OBJECTIVES: THE PURPOSE OF THIS QUALITATIVE STUDY WAS TWOFOLD: (1) TO BETTER UNDERSTAND HOW YOGA PRACTITIONERS PERCEIVE INTRA- AND INTERPERSONAL OUTCOMES OF THEIR YOGA PRACTICE, AND (2) TO DEVELOP A CONCEPTUAL MODEL OF YOGA EFFECTS ON INTRA- AND INTERPERSONAL OUTCOMES THAT MAY UNDERLIE THE "RELATIONAL" INFLUENCES OF YOGA. DESIGN: AS PART OF A LARGER STUDY, 107 COMMUNITY-DWELLING YOGA PRACTITIONERS (AGE M=41.2+/-15.9YEARS) COMPLETED OPEN-ENDED QUESTIONS WHICH ASKED QUESTIONS FOCUSING ON WHETHER YOGA INFLUENCES ONE'S RELATIONSHIP TO ONESELF AND TO OTHERS. A SUBSAMPLE (N=12) COMPLETED IN-DEPTH INTERVIEWS. THE OPEN-ENDED RESPONSES WERE ANALYZED USING CONTENT ANALYSIS, AND VERBATIM INTERVIEW TRANSCRIPTS WERE ANALYZED FOR EMERGENT THEMES USING A CONSTANT COMPARISON APPROACH. RESULTS: FOUR EMERGING THEMES WERE IDENTIFIED SUCH THAT PRACTITIONERS TALKED ABOUT THE ABILITY OF YOGA TO GENERATE CALM STATES, MINDFULNESS, (SELF-)COMPASSION, AND A SENSE OF CONNECTEDNESS. THROUGHOUT THE THEMES, A COMMON PATTERN EMERGED SUCH THAT YOGA PRACTICE FIRST LED TO POSITIVE INTRAPERSONAL CHANGES, WHICH THEN INFLUENCED ONE'S INTERPERSONAL RELATIONSHIPS. BASED ON THESE RESULTS, A CONCEPTUAL MODEL WAS DEVELOPED DEPICTING POTENTIAL PATHWAYS OF HOW YOGA WORKS TO ENHANCE RELATIONAL OUTCOMES. CONCLUSION: FINDINGS DEMONSTRATE THE PROMISE YOGA HOLDS TO IMPROVE ONE'S RELATIONSHIP TO ONESELF (INTRAPERSONAL) THROUGH MINDFULNESS AND SELF-COMPASSION, AND TO OTHERS (INTERPERSONAL), THROUGH THE ENHANCEMENT OF COMPASSION AND SOCIAL CONNECTEDNESS, WHICH MAY POTENTIALLY LEAD TO ENHANCED HEALTH AND WELLBEING OUTCOMES. FURTHER EMPIRICAL TESTING OF THE MODEL IS WARRANTED. 2018