1 629 155 DIFFERENCES IN BRAIN STRUCTURE AND FUNCTION AMONG YOGA PRACTITIONERS AND CONTROLS. BACKGROUND: YOGA IS A MIND-BODY BASED PHYSICAL ACTIVITY THAT HAS DEMONSTRATED A VARIETY OF PHYSIOLOGICAL, PSYCHOLOGICAL AND COGNITIVE HEALTH BENEFITS. ALTHOUGH YOGA PRACTICE HAS SHOWN TO IMPROVE COGNITIVE PERFORMANCE, FEW STUDIES HAVE EXAMINED THE UNDERLYING NEUROLOGICAL CORRELATES. OBJECTIVE: THE CURRENT STUDY AIMED TO DETERMINE THE DIFFERENCES IN GRAY MATTER VOLUME OF THE HIPPOCAMPUS, THALAMUS AND CAUDATE NUCLEUS AND BRAIN ACTIVATION DURING THE STERNBERG WORKING MEMORY TASK. METHOD: PARTICIPANTS WERE 13 EXPERIENCED YOGA PRACTITIONERS (MEAN AGE = 35.8), DEFINED AS HAVING MORE THAN 3 YEARS OF REGULAR YOGA PRACTICE, AND 13 AGE- AND SEX-MATCHED CONTROLS (MEAN AGE = 35.7). ALL PARTICIPANTS COMPLETED A 6-MIN WALK TEST TO ASSESS FITNESS, PSYCHOSOCIAL AND DEMOGRAPHIC QUESTIONNAIRES; AND UNDERWENT MAGNETIC RESONANCE IMAGING TO ASSESS GRAY MATTER VOLUME AND BRAIN ACTIVATION. RESULTS: THERE WERE NO GROUP DIFFERENCES ON DEMOGRAPHIC MEASURES OF INCOME, EDUCATION AND ON ESTIMATED VO2MAX OR PHYSICAL ACTIVITY LEVELS. GRAY MATTER VOLUME DIFFERENCES WERE OBSERVED IN THE LEFT HIPPOCAMPUS, SHOWING GREATER VOLUME IN EXPERIENCED YOGA PRACTITIONERS COMPARED TO CONTROLS (P = 0.017). THE FUNCTIONAL MRI RESULTS REVEALED LESS ACTIVATION IN THE DORSOLATERAL PREFRONTAL CORTEX IN YOGA PRACTITIONERS COMPARED TO CONTROLS DURING THE ENCODING PHASE OF THE STERNBERG TASK (P < 0.05). REACTION TIME AND ACCURACY ON THE TASK DID NOT DIFFER BETWEEN THE GROUPS. CONCLUSIONS: OUR RESULTS SUGGEST AN ASSOCIATION BETWEEN REGULAR LONG-TERM YOGA PRACTICE AND DIFFERENTIAL STRUCTURE AND FUNCTION OF SPECIFIC BRAIN REGIONS INVOLVED IN EXECUTIVE FUNCTION, SPECIFICALLY WORKING MEMORY, WHICH HAS PREVIOUSLY SHOWN TO IMPROVE WITH YOGA PRACTICE. FUTURE STUDIES NEED TO EXAMINE INTERVENTION EFFECTS OF YOGA AND EXPLORE ITS POTENTIAL TO MAINTAIN AND IMPROVE COGNITIVE HEALTH ACROSS THE LIFESPAN THROUGH LONGITUDINAL AND INTERVENTION STUDIES. 2018 2 2704 32 YOGA INTERVENTIONS INVOLVING OLDER ADULTS: INTEGRATIVE REVIEW. THERE IS GROWING SCIENTIFIC EVIDENCE THAT YOGA INTERVENTIONS HAVE POSITIVE IMPACTS ON HEALTH IN COMMUNITY-DWELLING OLDER ADULTS. OLDER ADULTS ARE AN EXPONENTIALLY GROWING COHORT; EFFORTS TO IMPROVE THEIR HEALTH CAN ALSO CONTRIBUTE TO COMMUNITY HEALTH. THE OBJECTIVE OF THE CURRENT INTEGRATIVE REVIEW WAS TO EXAMINE QUANTITATIVE EVIDENCE CONCERNING EFFECTIVENESS OF YOGA INTERVENTIONS RELATED TO THE HEALTH OF COMMUNITY-DWELLING OLDER ADULTS. SIX STUDIES MET INCLUSION CRITERIA OF COMMUNITY-DWELLING OLDER ADULTS, RANDOMIZED CONTROLLED TRIAL (RCT) DESIGN, AND YOGA INTERVENTION IN THE PAST 10 YEARS. HATHA YOGA WAS MOST FREQUENTLY USED; INTERVENTIONS WERE WELL-RECEIVED WITH HIGH ADHERENCE RATES. BENEFITS FROM PARTICIPATION IN YOGA INCLUDED IMPROVEMENTS IN PSYCHOLOGICAL AND PHYSICAL HEALTH, SUCH AS REDUCTIONS IN ANGER, ANXIETY, AND FEAR OF FALLING, AND INCREASES IN WELL-BEING, SELF-EFFICACY, IMPROVED EXECUTIVE AND IMMUNOLOGICAL FUNCTION, STRENGTH, AND BALANCE. FINDINGS REVEAL THAT ADDITIONAL WELL-DESIGNED YOGA RCTS ARE INDICATED WITH LONGER INTERVENTION AND FOLLOW UP TO ASSESS LIFESPAN CHANGES. [JOURNAL OF GERONTOLOGICAL NURSING, 48(2), 43-52.]. 2022 3 1106 39 EFFECTS OF YOGA, AEROBIC, AND STRETCHING AND TONING EXERCISES ON COGNITION IN ADULT CANCER SURVIVORS: PROTOCOL OF THE STAY FIT PILOT RANDOMIZED CONTROLLED TRIAL. BACKGROUND: CANCER SURVIVORS EXPERIENCE COMPROMISED QUALITY OF LIFE DUE TO IMPAIRED COGNITIVE FUNCTION AS A RESULT OF CANCER DIAGNOSIS AND TREATMENT. ALTHOUGH EXERCISE HAS PROVEN TO BE EFFECTIVE IN IMPROVING COGNITIVE FUNCTION ACROSS THE LIFESPAN, INTERVENTIONS COMPREHENSIVELY TESTING THE EFFECTIVENESS FOR CANCER SURVIVORS ARE LIMITED. THE STAY FIT TRIAL IS A THREE-ARMED PILOT RANDOMIZED CONTROLLED TRIAL DESIGNED TO COMPARE THE EFFECTS OF A 12-WEEK YOGA, AEROBIC WALKING, AND STRETCH AND TONE INTERVENTION ON COGNITIVE FUNCTION AMONG ADULT CANCER SURVIVORS. METHODS: THIS PILOT STUDY AIMS TO RECRUIT 75 ADULT CANCER SURVIVORS WHO WILL COMPLETE ASSESSMENTS OF COGNITIVE FUNCTION, CARDIOVASCULAR FITNESS, PHYSICAL ACTIVITY, AND PSYCHOSOCIAL MEASURES AT BASELINE AND AFTER THE 12-WEEK INTERVENTION. THE AIMS OF STAY FIT ARE (1) TO ASSESS THE EFFICACY OF YOGA TO IMPROVE COGNITIVE FUNCTION AMONG CANCER SURVIVORS, COMPARED TO AEROBIC EXERCISE AND AN ACTIVE CONTROL GROUP; (2) TO EXAMINE CHANGES IN CARDIOVASCULAR FITNESS AS A RESULT OF THE INTERVENTIONS; AND (3) TO ASSESS CHANGES IN QUALITY OF LIFE AMONG OUR POPULATION AS A RESULT OF THE EXERCISE INTERVENTIONS. DISCUSSION: THE STAY FIT TRIAL WILL TEST THE EFFECTIVENESS OF YOGA, AEROBIC EXERCISE, AND STRETCHING AND TONING EXERCISES IN IMPROVING COGNITIVE FUNCTION AND FITNESS AMONG ADULT CANCER SURVIVORS. THE RESULTS OF THIS PILOT STUDY WILL ENABLE US TO UNDERSTAND THE MOST EFFECTIVE PHYSICAL ACTIVITY MODALITY TO IMPROVE COGNITIVE FUNCTION IN THIS POPULATION AND POTENTIALLY COMBAT CANCER-RELATED COGNITIVE IMPAIRMENT. TRIAL REGISTRATION: CLINICALTRIALS.GOV NCT03650322 . REGISTERED ON 28 AUGUST 2018. 2020 4 1289 36 GREATER WIDESPREAD FUNCTIONAL CONNECTIVITY OF THE CAUDATE IN OLDER ADULTS WHO PRACTICE KRIPALU YOGA AND VIPASSANA MEDITATION THAN IN CONTROLS. THERE HAS BEEN A GROWING INTEREST IN UNDERSTANDING HOW CONTEMPLATIVE PRACTICES AFFECT BRAIN FUNCTIONAL ORGANIZATION. HOWEVER, MOST STUDIES HAVE RESTRICTED THEIR EXPLORATION TO PREDEFINED NETWORKS. FURTHERMORE, SCIENTIFIC COMPARISONS OF DIFFERENT CONTEMPLATIVE TRADITIONS ARE LARGELY LACKING. HERE WE EXPLORED DIFFERENCES IN WHOLE BRAIN RESTING STATE FUNCTIONAL CONNECTIVITY BETWEEN EXPERIENCED YOGA PRACTITIONERS, EXPERIENCED MEDITATORS, AND MATCHED CONTROLS. ANALYSES WERE REPEATED IN AN INDEPENDENT SAMPLE OF EXPERIENCED MEDITATORS AND MATCHED CONTROLS. ANALYSES UTILIZING NETWORK-BASED STATISTICS (ZALESKY ET AL., 2010) REVEALED DIFFERENCE COMPONENTS FOR YOGA PRACTITIONERS > CONTROLS AND MEDITATORS > CONTROLS IN WHICH THE RIGHT CAUDATE WAS A CENTRAL NODE. FOLLOW UP ANALYSES REVEALED THAT YOGA PRACTITIONERS AND MEDITATORS HAD SIGNIFICANTLY GREATER DEGREE CENTRALITY IN THE CAUDATE THAN CONTROLS. THIS GREATER DEGREE CENTRALITY WAS NOT DRIVEN BY SINGLE CONNECTIONS BUT BY GREATER CONNECTIVITY BETWEEN THE CAUDATE AND NUMEROUS BRAIN REGIONS. FINDINGS OF GREATER CAUDATE CONNECTIVITY IN MEDITATORS THAN IN CONTROLS WAS REPLICATED IN AN INDEPENDENT DATASET. THESE FINDINGS SUGGEST THAT YOGA AND MEDITATION PRACTITIONERS HAVE STRONGER FUNCTIONAL CONNECTIVITY WITHIN BASAL GANGLIA CORTICO-THALAMIC FEEDBACK LOOPS THAN NON-PRACTITIONERS. ALTHOUGH WE COULD NOT PROVIDE EVIDENCE FOR ITS MECHANISTIC ROLE, THIS GREATER CONNECTIVITY MIGHT BE RELATED TO THE OFTEN REPORTED EFFECTS OF MEDITATION AND YOGA ON BEHAVIORAL FLEXIBILITY, MENTAL HEALTH, AND WELL-BEING. 2015 5 2371 38 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 6 1670 38 NEUROPROTECTIVE EFFECTS OF YOGA PRACTICE: AGE-, EXPERIENCE-, AND FREQUENCY-DEPENDENT PLASTICITY. YOGA COMBINES POSTURES, BREATHING, AND MEDITATION. DESPITE REPORTED HEALTH BENEFITS, YOGA'S EFFECTS ON THE BRAIN HAVE RECEIVED LITTLE STUDY. WE USED MAGNETIC RESONANCE IMAGING TO COMPARE AGE-RELATED GRAY MATTER (GM) DECLINE IN YOGIS AND CONTROLS. WE ALSO EXAMINED THE EFFECT OF INCREASING YOGA EXPERIENCE AND WEEKLY PRACTICE ON GM VOLUME AND ASSESSED WHICH ASPECTS OF WEEKLY PRACTICE CONTRIBUTED MOST TO BRAIN SIZE. CONTROLS DISPLAYED THE WELL DOCUMENTED AGE-RELATED GLOBAL BRAIN GM DECLINE WHILE YOGIS DID NOT, SUGGESTING THAT YOGA CONTRIBUTES TO PROTECT THE BRAIN AGAINST AGE-RELATED DECLINE. YEARS OF YOGA EXPERIENCE CORRELATED MOSTLY WITH GM VOLUME DIFFERENCES IN THE LEFT HEMISPHERE (INSULA, FRONTAL OPERCULUM, AND ORBITOFRONTAL CORTEX) SUGGESTING THAT YOGA TUNES THE BRAIN TOWARD A PARASYMPATICALLY DRIVEN MODE AND POSITIVE STATES. THE NUMBER OF HOURS OF WEEKLY PRACTICE CORRELATED WITH GM VOLUME IN THE PRIMARY SOMATOSENSORY CORTEX/SUPERIOR PARIETAL LOBULE (S1/SPL), PRECUNEUS/POSTERIOR CINGULATE CORTEX (PCC), HIPPOCAMPUS, AND PRIMARY VISUAL CORTEX (V1). COMMONALITY ANALYSES INDICATED THAT THE COMBINATION OF POSTURES AND MEDITATION CONTRIBUTED THE MOST TO THE SIZE OF THE HIPPOCAMPUS, PRECUNEUS/PCC, AND S1/SPL WHILE THE COMBINATION OF MEDITATION AND BREATHING EXERCISES CONTRIBUTED THE MOST TO V1 VOLUME. YOGA'S POTENTIAL NEUROPROTECTIVE EFFECTS MAY PROVIDE A NEURAL BASIS FOR SOME OF ITS BENEFICIAL EFFECTS. 2015 7 455 40 CHANGES IN NEURAL CONNECTIVITY AND MEMORY FOLLOWING A YOGA INTERVENTION FOR OLDER ADULTS: A PILOT STUDY. BACKGROUND: NO STUDY HAS EXPLORED THE EFFECT OF YOGA ON COGNITIVE DECLINE AND RESTING-STATE FUNCTIONAL CONNECTIVITY. OBJECTIVES: THIS STUDY EXPLORED THE RELATIONSHIP BETWEEN PERFORMANCE ON MEMORY TESTS AND RESTING-STATE FUNCTIONAL CONNECTIVITY BEFORE AND AFTER A YOGA INTERVENTION VERSUS ACTIVE CONTROL FOR SUBJECTS WITH MILD COGNITIVE IMPAIRMENT (MCI). METHODS: PARTICIPANTS ( >/= 55 Y) WITH MCI WERE RANDOMIZED TO RECEIVE A YOGA INTERVENTION OR ACTIVE "GOLD-STANDARD" CONTROL (I.E., MEMORY ENHANCEMENT TRAINING (MET)) FOR 12 WEEKS. RESTING-STATE FUNCTIONAL MAGNETIC RESONANCE IMAGING WAS USED TO MAP CORRELATIONS BETWEEN BRAIN NETWORKS AND MEMORY PERFORMANCE CHANGES OVER TIME. DEFAULT MODE NETWORKS (DMN), LANGUAGE AND SUPERIOR PARIETAL NETWORKS WERE CHOSEN AS NETWORKS OF INTEREST TO ANALYZE THE ASSOCIATION WITH CHANGES IN VERBAL AND VISUOSPATIAL MEMORY PERFORMANCE. RESULTS: FOURTEEN YOGA AND 11 MET PARTICIPANTS COMPLETED THE STUDY. THE YOGA GROUP DEMONSTRATED A STATISTICALLY SIGNIFICANT IMPROVEMENT IN DEPRESSION AND VISUOSPATIAL MEMORY. WE OBSERVED IMPROVED VERBAL MEMORY PERFORMANCE CORRELATED WITH INCREASED CONNECTIVITY BETWEEN THE DMN AND FRONTAL MEDIAL CORTEX, PREGENUAL ANTERIOR CINGULATE CORTEX, RIGHT MIDDLE FRONTAL CORTEX, POSTERIOR CINGULATE CORTEX, AND LEFT LATERAL OCCIPITAL CORTEX. IMPROVED VERBAL MEMORY PERFORMANCE POSITIVELY CORRELATED WITH INCREASED CONNECTIVITY BETWEEN THE LANGUAGE PROCESSING NETWORK AND THE LEFT INFERIOR FRONTAL GYRUS. IMPROVED VISUOSPATIAL MEMORY PERFORMANCE CORRELATED INVERSELY WITH CONNECTIVITY BETWEEN THE SUPERIOR PARIETAL NETWORK AND THE MEDIAL PARIETAL CORTEX. CONCLUSION: YOGA MAY BE AS EFFECTIVE AS MET IN IMPROVING FUNCTIONAL CONNECTIVITY IN RELATION TO VERBAL MEMORY PERFORMANCE. THESE FINDINGS SHOULD BE CONFIRMED IN LARGER PROSPECTIVE STUDIES. 2016 8 1667 46 NEUROCHEMICAL AND NEUROANATOMICAL PLASTICITY FOLLOWING MEMORY TRAINING AND YOGA INTERVENTIONS IN OLDER ADULTS WITH MILD COGNITIVE IMPAIRMENT. BEHAVIORAL INTERVENTIONS ARE BECOMING INCREASINGLY POPULAR APPROACHES TO AMELIORATE AGE-RELATED COGNITIVE DECLINE, BUT THEIR UNDERLYING NEUROBIOLOGICAL MECHANISMS AND CLINICAL EFFICIENCY HAVE NOT BEEN FULLY ELUCIDATED. THE PRESENT STUDY EXPLORED BRAIN PLASTICITY ASSOCIATED WITH TWO BEHAVIORAL INTERVENTIONS, MEMORY ENHANCEMENT TRAINING (MET) AND A MIND-BODY PRACTICE (YOGIC MEDITATION), IN HEALTHY SENIORS WITH MILD COGNITIVE IMPAIRMENT (MCI) USING STRUCTURAL MAGNETIC RESONANCE IMAGING (S-MRI) AND PROTON MAGNETIC RESONANCE SPECTROSCOPY ((1)H-MRS). SENIOR PARTICIPANTS (AGE >/=55 YEARS) WITH MCI WERE RANDOMIZED TO THE MET OR YOGIC MEDITATION INTERVENTIONS. FOR BOTH INTERVENTIONS, PARTICIPANTS COMPLETED EITHER MET TRAINING OR KUNDALINI YOGA (KY) FOR 60-MIN SESSIONS OVER 12 WEEKS, WITH 12-MIN DAILY HOMEWORK ASSIGNMENTS. GRAY MATTER VOLUME AND METABOLITE CONCENTRATIONS IN THE DORSAL ANTERIOR CINGULATE CORTEX (DACC) AND BILATERAL HIPPOCAMPUS WERE MEASURED BY STRUCTURAL MRI AND (1)H-MRS AT BASELINE AND AFTER 12 WEEKS OF TRAINING. METABOLITES MEASURED INCLUDED GLUTAMATE-GLUTAMINE (GLX), CHOLINE-CONTAINING COMPOUNDS (CHO, INCLUDING GLYCEROPHOSPHOCHOLINE AND PHOSPHOCHOLINE), GAMMA-AMINOBUTYRIC ACID (GABA), AND N-ACETYL ASPARTATE AND N-ACETYLASPARTYL-GLUTAMATE (NAA-NAAG). IN TOTAL, 11 PARTICIPANTS COMPLETED MET AND 14 COMPLETED YOGIC MEDITATION FOR THIS STUDY. STRUCTURAL MRI ANALYSIS SHOWED AN INTERACTION BETWEEN TIME AND GROUP IN DACC, INDICATING A TREND TOWARDS INCREASED GRAY MATTER VOLUME AFTER THE MET INTERVENTION. (1)H-MRS ANALYSIS SHOWED AN INTERACTION BETWEEN TIME AND GROUP IN CHOLINE-CONTAINING COMPOUNDS IN BILATERAL HIPPOCAMPUS, INDUCED BY SIGNIFICANT DECREASES AFTER THE MET INTERVENTION. THOUGH PRELIMINARY, OUR RESULTS SUGGEST THAT MEMORY TRAINING INDUCES STRUCTURAL AND NEUROCHEMICAL PLASTICITY IN SENIORS WITH MCI. FURTHER RESEARCH IS NEEDED TO DETERMINE WHETHER MIND-BODY INTERVENTIONS LIKE YOGA YIELD SIMILAR NEUROPLASTIC CHANGES. 2016 9 2531 37 YOGA EFFECTS ON BRAIN HEALTH: A SYSTEMATIC REVIEW OF THE CURRENT LITERATURE. YOGA IS THE MOST POPULAR COMPLEMENTARY HEALTH APPROACH PRACTICED BY ADULTS IN THE UNITED STATES. IT IS AN ANCIENT MIND AND BODY PRACTICE WITH ORIGINS IN INDIAN PHILOSOPHY. YOGA COMBINES PHYSICAL POSTURES, RHYTHMIC BREATHING AND MEDITATIVE EXERCISE TO OFFER THE PRACTITIONERS A UNIQUE HOLISTIC MIND-BODY EXPERIENCE. WHILE THE HEALTH BENEFITS OF PHYSICAL EXERCISE ARE WELL ESTABLISHED, IN RECENT YEARS, THE ACTIVE ATTENTIONAL COMPONENT OF BREATHING AND MEDITATION PRACTICE HAS GARNERED INTEREST AMONG EXERCISE NEUROSCIENTISTS. AS THE SCIENTIFIC EVIDENCE FOR THE PHYSICAL AND MENTAL HEALTH BENEFITS OF YOGA CONTINUES TO GROW, THIS ARTICLE AIMS TO SUMMARIZE THE CURRENT KNOWLEDGE OF YOGA PRACTICE AND ITS DOCUMENTED POSITIVE EFFECTS FOR BRAIN STRUCTURE AND FUNCTION, AS ASSESSED WITH MRI, FMRI, AND SPECT. WE REVIEWED 11 STUDIES EXAMINING THE EFFECTS OF YOGA PRACTICE ON THE BRAIN STRUCTURES, FUNCTION AND CEREBRAL BLOOD FLOW. COLLECTIVELY, THE STUDIES DEMONSTRATE A POSITIVE EFFECT OF YOGA PRACTICE ON THE STRUCTURE AND/OR FUNCTION OF THE HIPPOCAMPUS, AMYGDALA, PREFRONTAL CORTEX, CINGULATE CORTEX AND BRAIN NETWORKS INCLUDING THE DEFAULT MODE NETWORK (DMN). THE STUDIES OFFER PROMISING EARLY EVIDENCE THAT BEHAVIORAL INTERVENTIONS LIKE YOGA MAY HOLD PROMISE TO MITIGATE AGE-RELATED AND NEURODEGENERATIVE DECLINES AS MANY OF THE REGIONS IDENTIFIED ARE KNOWN TO DEMONSTRATE SIGNIFICANT AGE-RELATED ATROPHY. 2019 10 2743 53 YOGA PRACTICE IMPROVES EXECUTIVE FUNCTION BY ATTENUATING STRESS LEVELS. BACKGROUND: PROLONGED ACTIVATION OF THE HYPOTHALAMUS-PITUITARY-ADRENAL SYSTEM IS THOUGHT TO HAVE DELETERIOUS EFFECTS ON BRAIN FUNCTION. NEUROENDOCRINE STUDIES SUGGEST THAT BRAIN EXPOSURE TO HIGHER CORTISOL CONCENTRATIONS CONTRIBUTE TO COGNITIVE DEFICITS AS WE AGE. MIND-BODY TECHNIQUES SUCH AS YOGA HAVE SHOWN TO IMPROVE STRESS LEVELS BY RESTORING THE BODY'S SYMPATHETIC-PARASYMPATHETIC BALANCE. THE OBJECTIVE OF THIS STUDY WAS TO DETERMINE WHETHER YOGA PRACTICE MODERATED THE STRESS RESPONSE RESULTING IN IMPROVED EXECUTIVE FUNCTION. METHODS: SEDENTARY COMMUNITY DWELLING OLDER ADULTS (N=118, MEAN AGE=62.02) WERE RANDOMIZED TO AN 8-WEEK YOGA INTERVENTION OR A STRETCHING CONTROL GROUP. AT BASELINE AND FOLLOWING 8 WEEKS, ALL PARTICIPANTS COMPLETED MEASURES OF EXECUTIVE FUNCTION, SELF-REPORTED STRESS AND ANXIETY AND PROVIDED SALIVA SAMPLES BEFORE AND AFTER COGNITIVE TESTING TO ASSESS CORTISOL. RESULTS: YOGA PARTICIPANTS SHOWED IMPROVED ACCURACY ON EXECUTIVE FUNCTION MEASURES AND AN ATTENUATED CORTISOL RESPONSE COMPARED TO THEIR STRETCHING COUNTERPARTS WHO SHOWED INCREASED CORTISOL LEVELS AND POOR COGNITIVE PERFORMANCE AT FOLLOW UP. THE CHANGE IN CORTISOL LEVELS AS WELL AS SELF-REPORTED STRESS AND ANXIETY LEVELS PREDICTED PERFORMANCE ON THE RUNNING SPAN TASK, N-BACK WORKING MEMORY AND TASK SWITCHING PARADIGM (BETA'S=0.27-0.38, P'S/=55 YEARS OF AGE) WITH MCI WERE RANDOMIZED TO EITHER A 12-WEEK KY INTERVENTION OR MEMORY ENHANCEMENT TRAINING (MET; GOLD-STANDARD, ACTIVE CONTROL). COGNITIVE (I.E. MEMORY AND EXECUTIVE FUNCTIONING) AND MOOD (I.E. DEPRESSION, APATHY, AND RESILIENCE) ASSESSMENTS WERE ADMINISTERED AT BASELINE, 12 WEEKS AND 24 WEEKS. RESULTS: AT BASELINE, 81 PARTICIPANTS HAD NO SIGNIFICANT BASELINE GROUP DIFFERENCES IN CLINICAL OR DEMOGRAPHIC CHARACTERISTICS. AT 12 WEEKS AND 24 WEEKS, BOTH KY AND MET GROUPS SHOWED SIGNIFICANT IMPROVEMENT IN MEMORY; HOWEVER, ONLY KY SHOWED SIGNIFICANT IMPROVEMENT IN EXECUTIVE FUNCTIONING. ONLY THE KY GROUP SHOWED SIGNIFICANT IMPROVEMENT IN DEPRESSIVE SYMPTOMS AND RESILIENCE AT WEEK 12. CONCLUSION: KY GROUP SHOWED SHORT- AND LONG-TERM IMPROVEMENTS IN EXECUTIVE FUNCTIONING AS COMPARED TO MET, AND BROADER EFFECTS ON DEPRESSED MOOD AND RESILIENCE. THIS OBSERVATION SHOULD BE CONFIRMED IN FUTURE CLINICAL TRIALS OF YOGA INTERVENTION FOR TREATMENT AND PREVENTION OF COGNITIVE DECLINE (NCT01983930). 2017 19 643 29 DOES YOGA ENGENDER FITNESS IN OLDER ADULTS? A CRITICAL REVIEW. INTEREST IN YOGA IS GROWING, ESPECIALLY AMONG OLDER ADULTS. THIS REVIEW CRITICALLY SUMMARIZES THE CURRENT LITERATURE TO INVESTIGATE WHETHER PHYSICAL FITNESS AND FUNCTION BENEFITS ARE ENGENDERED THROUGH THE PRACTICE OF YOGA IN OLDER ADULTS. A COMPREHENSIVE SEARCH YIELDED 507 STUDIES; 10 STUDIES WITH 544 PARTICIPANTS (69.6 +/- 6.3 YR, 71% FEMALE) WERE INCLUDED. LARGE VARIABILITY IN YOGA STYLES AND MEASUREMENT OUTCOMES MAKE IT CHALLENGING TO INTERPRET RESULTS ACROSS STUDIES. STUDIES REPORTED MODERATE IMPROVEMENTS FOR GAIT (ES = 0.54, 0.80), BALANCE (ES = 0.25-1.61), UPPER/LOWER BODY FLEXIBILITY (ES = 0.25, 0.70), LOWER BODY STRENGTH (ES = 0.51), AND WEIGHT LOSS (ES = 0.73, 0.99).YOGA MAY ENGENDER IMPROVEMENTS IN SOME COMPONENTS OF FITNESS IN OLDER ADULTS. HOWEVER, MORE EVIDENCE IS NEEDED TO DETERMINE ITS EFFECTIVENESS AS AN ALTERNATIVE EXERCISE TO PROMOTE FITNESS IN OLDER ADULTS. FURTHER INVESTIGATION INTO YOGA AS AN EXERCISE ACTIVITY FOR OLDER ADULTS IS WARRANTED. 2011 20 2437 38 YOGA AND PSYCHOPHYSIOLOGICAL DETERMINANTS OF CARDIOVASCULAR HEALTH: COMPARING YOGA PRACTITIONERS, RUNNERS, AND SEDENTARY INDIVIDUALS. BACKGROUND: THE EVIDENCE OF CARDIOVASCULAR BENEFITS OF YOGA IS PROMISING, BUT LACKS DEMONSTRATIONS OF SPECIFICITY COMPARED TO OTHER INTERVENTIONS. PURPOSE: THE PRESENT CROSS-SECTIONAL STUDY EXAMINED CARDIOVASCULAR HEALTH MARKERS IN LONG-TERM PRACTITIONERS OF YOGA (YOGIS), RUNNERS, AND SEDENTARY INDIVIDUALS. METHODS: WE COMPARED PHYSIOLOGICAL, PSYCHOLOGICAL, AND LIFESTYLE VARIABLES ASSOCIATED WITH CARDIOVASCULAR HEALTH ACROSS GROUPS. RESULTS: YOGIS (N = 47) AND RUNNERS (N = 46) SHOWED FAVORABLE PROFILES COMPARED TO SEDENTARY INDIVIDUALS (N = 52) ON HEART RATE, HEART RATE VARIABILITY, DEPRESSION, PERCEIVED STRESS, AND CIGARETTE SMOKING. RUNNERS AND MALE YOGIS SHOWED SUPERIOR AEROBIC FITNESS COMPARED TO THE SEDENTARY GROUP. RUNNERS REPORTED GREATER SOCIAL SUPPORT COMPARED TO OTHER GROUPS. YOGIS DEMONSTRATED A LOWER RESPIRATION RATE COMPARED TO SEDENTARY INDIVIDUALS AND WERE MORE LIKELY TO REFRAIN FROM EATING MEAT COMPARED TO OTHER GROUPS. CONCLUSIONS: YOGIS AND RUNNERS DEMONSTRATED SEVERAL CARDIOVASCULAR HEALTH ADVANTAGES OVER SEDENTARY INDIVIDUALS. OUR FINDINGS RAISE THE POSSIBILITY THAT YOGA MAY IMPROVE AEROBIC FITNESS IN MEN BUT NOT WOMEN. 2014