1 1668 150 NEUROCOGNITIVE CORRELATES OF THE EFFECTS OF YOGA MEDITATION PRACTICE ON EMOTION AND COGNITION: A PILOT STUDY. MINDFULNESS MEDITATION INVOLVES ATTENDING TO EMOTIONS WITHOUT COGNITIVE FIXATION OF EMOTIONAL EXPERIENCE. OVER TIME, THIS PRACTICE IS HELD TO PROMOTE ALTERATIONS IN TRAIT AFFECTIVITY AND ATTENTIONAL CONTROL WITH RESULTANT EFFECTS ON WELL-BEING AND COGNITION. HOWEVER, RELATIVELY LITTLE IS KNOWN REGARDING THE NEURAL SUBSTRATES OF MEDITATION EFFECTS ON EMOTION AND COGNITION. THE PRESENT STUDY INVESTIGATED THE NEUROCOGNITIVE CORRELATES OF EMOTION INTERFERENCE ON COGNITION IN YOGA PRACTITIONERS AND A MATCHED CONTROL GROUP (CG) UNDERWENT FMRI WHILE PERFORMING AN EVENT-RELATED AFFECTIVE STROOP TASK. THE TASK INCLUDES IMAGE VIEWING TRIALS AND STROOP TRIALS BRACKETED BY NEUTRAL OR NEGATIVE EMOTIONAL DISTRACTORS. DURING IMAGE VIEWING TRIALS, YOGA PRACTITIONERS EXHIBITED LESS REACTIVITY IN RIGHT DORSOLATERAL PREFRONTAL CORTEX (DLPFC) TO NEGATIVE AS COMPARED TO NEUTRAL IMAGES; WHEREAS THE CG HAD THE OPPOSITE PATTERN. A MAIN EFFECT OF VALENCE (NEGATIVE > NEUTRAL) WAS OBSERVED IN LIMBIC REGIONS (E.G., AMYGDALA), OF WHICH THE MAGNITUDE WAS INVERSELY RELATED TO DLPFC ACTIVATION. EXPLORATORY ANALYSES REVEALED THAT THE MAGNITUDE OF AMYGDALA ACTIVATION PREDICTED DECREASED SELF-REPORTED POSITIVE AFFECT IN THE CG, BUT NOT AMONG YOGA PRACTITIONERS. DURING STROOP TRIALS, YOGA PRACTITIONERS HAD GREATER ACTIVATION IN VENTROLATERAL PREFRONTAL CORTEX (VLPFC) DURING STROOP TRIALS WHEN NEGATIVE, COMPARED TO NEUTRAL, EMOTIONAL DISTRACTOR WERE PRESENTED; THE CG EXHIBITED THE OPPOSITE PATTERN. TAKEN TOGETHER, THESE DATA SUGGEST THAT THOUGH YOGA PRACTITIONERS EXHIBIT LIMBIC REACTIVITY TO NEGATIVE EMOTIONAL STIMULI, SUCH REACTIVITY DOES NOT HAVE DOWNSTREAM EFFECTS ON LATER MOOD STATE. THIS UNCOUPLING OF VIEWING NEGATIVE EMOTIONAL IMAGES AND AFFECT AMONG YOGA PRACTITIONERS MAY BE OCCASIONED BY THEIR SELECTIVE IMPLEMENTATION OF FRONTAL EXECUTIVE-DEPENDENT STRATEGIES TO REDUCE EMOTIONAL INTERFERENCE DURING COMPETING COGNITIVE DEMANDS AND NOT DURING EMOTIONAL PROCESSING PER SE. 2012 2 1098 44 EFFECTS OF YOGA RESPIRATORY PRACTICE (BHASTRIKA PRANAYAMA) ON ANXIETY, AFFECT, AND BRAIN FUNCTIONAL CONNECTIVITY AND ACTIVITY: A RANDOMIZED CONTROLLED TRIAL. PRANAYAMA REFERS TO A SET OF YOGA BREATHING EXERCISES. RECENT EVIDENCE SUGGESTS THAT THE PRACTICE OF PRANAYAMA HAS POSITIVE EFFECTS ON MEASURES OF CLINICAL STRESS AND ANXIETY. THIS STUDY EXPLORED THE IMPACT OF A BHASTRIKA PRANAYAMA TRAINING PROGRAM ON EMOTION PROCESSING, ANXIETY, AND AFFECT. WE USED A RANDOMIZED CONTROLLED TRIAL DESIGN WITH THIRTY HEALTHY YOUNG ADULTS ASSESSED AT BASELINE AND AFTER 4 WEEKS OF PRANAYAMA PRACTICES. TWO FUNCTIONAL MAGNETIC RESONANCE IMAGING (MRI) PROTOCOLS WERE USED BOTH AT BASELINE AND POST-INTERVENTION: AN EMOTION TASK AS WELL AS A RESTING-STATE ACQUISITION. OUR RESULTS SUGGEST THAT PRANAYAMA SIGNIFICANTLY DECREASED STATES OF ANXIETY AND NEGATIVE AFFECT. THE PRACTICE OF PRANAYAMA ALSO MODULATED THE ACTIVITY OF BRAIN REGIONS INVOLVED IN EMOTIONAL PROCESSING, PARTICULARLY THE AMYGDALA, ANTERIOR CINGULATE, ANTERIOR INSULA, AND PREFRONTAL CORTEX. RESTING-STATE FUNCTIONAL MRI (FMRI) SHOWED SIGNIFICANTLY REDUCED FUNCTIONAL CONNECTIVITY INVOLVING THE ANTERIOR INSULA AND LATERAL PORTIONS OF THE PREFRONTAL CORTEX. CORRELATION ANALYSIS REVEALED THAT CHANGES IN CONNECTIVITY BETWEEN THE VENTROLATERAL PREFRONTAL CORTEX AND THE RIGHT ANTERIOR INSULA WERE ASSOCIATED WITH CHANGES IN ANXIETY. ALTHOUGH IT SHOULD BE NOTED THAT THESE ANALYSES WERE PRELIMINARY AND EXPLORATORY, IT PROVIDES THE FIRST EVIDENCE THAT 4 WEEKS OF B. PRANAYAMA SIGNIFICANTLY REDUCE THE LEVELS OF ANXIETY AND NEGATIVE AFFECT, AND THAT THESE CHANGES ARE ASSOCIATED WITH THE MODULATION OF ACTIVITY AND CONNECTIVITY IN BRAIN AREAS INVOLVED IN EMOTION PROCESSING, ATTENTION, AND AWARENESS. THE STUDY WAS REGISTERED AT HTTPS://WWW.ENSAIOSCLINICOS.GOV.BR/RG/RBR-2GV5C2/(RBR-2GV5C2). 2020 3 1972 35 SHORT-TERM SAHAJA YOGA MEDITATION TRAINING MODULATES BRAIN STRUCTURE AND SPONTANEOUS ACTIVITY IN THE EXECUTIVE CONTROL NETWORK. INTRODUCTION: WHILE CROSS-SECTIONAL STUDIES HAVE SHOWN NEURAL CHANGES IN LONG-TERM MEDITATORS, THEY MIGHT BE CONFOUNDED BY SELF-SELECTION AND POTENTIAL BASELINE DIFFERENCES BETWEEN MEDITATORS AND NON MEDITATORS. PROSPECTIVE LONGITUDINAL STUDIES OF THE EFFECTS OF MEDITATION IN NAIVE SUBJECTS ARE MORE CONCLUSIVE WITH RESPECT TO CAUSAL INFERENCES, BUT RELATED EVIDENCE IS SO FAR LIMITED. METHODS: HERE, WE ASSESSED THE EFFECTS OF A 4-WEEK SAHAJA YOGA MEDITATION TRAINING ON GRAY MATTER DENSITY AND SPONTANEOUS RESTING-STATE BRAIN ACTIVITY IN A GROUP OF 12 MEDITATION-NAIVE HEALTHY ADULTS. RESULTS: COMPARED WITH 30 CONTROL SUBJECTS, THE PARTICIPANTS TO MEDITATION TRAINING SHOWED INCREASED GRAY MATTER DENSITY AND CHANGES IN THE COHERENCE OF INTRINSIC BRAIN ACTIVITY IN TWO ADJACENT REGIONS OF THE RIGHT INFERIOR FRONTAL GYRUS ENCOMPASSING THE ANTERIOR COMPONENT OF THE EXECUTIVE CONTROL NETWORK. BOTH THESE MEASURES CORRELATED WITH SELF-REPORTED WELL-BEING SCORES IN THE MEDITATION GROUP. CONCLUSIONS: THE SIGNIFICANT IMPACT OF A BRIEF MEDITATION TRAINING ON BRAIN REGIONS ASSOCIATED WITH ATTENTION, SELF-CONTROL, AND SELF-AWARENESS MAY REFLECT THE ENGAGEMENT OF COGNITIVE CONTROL SKILLS IN SEARCHING FOR A STATE OF MENTAL SILENCE, A DISTINCTIVE FEATURE OF SAHAJA YOGA MEDITATION. THE MANIFOLD IMPLICATIONS OF THESE FINDINGS INVOLVE BOTH MANAGERIAL AND REHABILITATIVE SETTINGS CONCERNED WITH WELL-BEING AND EMOTIONAL STATE IN NORMAL AND PATHOLOGICAL CONDITIONS. 2019 4 2760 54 YOGA PRACTITIONERS UNIQUELY ACTIVATE THE SUPERIOR PARIETAL LOBULE AND SUPRAMARGINAL GYRUS DURING EMOTION REGULATION. CHRONIC STRESS CONTRIBUTES TO BOTH MENTAL AND PHYSICAL ILLNESS. A HIGH PREVALENCE AND COST OF STRESS-RELATED ILLNESSES NORTH AMERICA WARRANTS INVESTIGATION INTO ALTERNATIVE OR COMPLEMENTARY THERAPIES WHICH MAY HELP REDUCE ADVERSE REACTIONS TO STRESSFUL STIMULI. EMOTION REGULATION IS THE PROCESS OF MONITORING AND ADJUSTING EMOTIONAL RESPONSES TO ENVIRONMENTAL STIMULI AND STRESSORS. INDIVIDUALS WHO PARTICIPATE IN PHYSICAL ACTIVITY ARE LESS LIKELY TO HAVE ADVERSE RESPONSES TO POTENTIALLY STRESSFUL SITUATIONS, POTENTIALLY DUE TO ADAPTIONS IN EMOTION REGULATION. YOGA IS A FORM OF PHYSICAL ACTIVITY INVOLVING STRETCHING EXERCISES AND MEDITATION, THAT MAY LESSEN INDIVIDUALS' LEVELS OF STRESS AND ANXIETY AND IMPROVE EMOTION REGULATION. HIGH-FREQUENCY HEART RATE VARIABILITY (HF-HRV) IS CONSIDERED A MEASURE OF PARASYMPATHETIC NERVOUS SYSTEM (PNS) ACTIVITY DURING THE EMOTION REGULATION. MEASURING HRV AND BRAIN ACTIVITY USING FUNCTIONAL MAGNETIC RESONANCE IMAGING (FMRI) OFFERS A USEFUL, NONINVASIVE APPROACH TO EVALUATING "NEUROVISCERAL" COMPONENTS OF EMOTION REGULATION. WE AIMED TO DETERMINE WHETHER YOGA PRACTITIONERS (YP) EXHIBIT DIFFERENT PATTERNS OF BRAIN ACTIVATION COMPARED TO RECREATIONAL ATHLETES (RA) WITHOUT CURRENT YOGA EXPERIENCE, WHILE VIEWING EMOTIONALLY AROUSING VISUAL STIMULI. OUR SECONDARY AIM WAS TO EXAMINE POTENTIAL DIFFERENCES ACROSS GROUPS IN HRV THROUGHOUT THE PRESENTATION OF THESE STIMULI. ANALYSIS OF FMRI DATA DURING EXPOSURE TO EMOTION-EVOKING (EE) STIMULI REVEALED THAT THE YP GROUP ACTIVATED TWO UNIQUE BRAIN AREAS, NAMELY THE SUPERIOR PARIETAL LOBULE AND THE SUPRAMARGINAL GYRUS. THESE AREAS HAVE BEEN ASSOCIATED WITH ATTENTIONAL AWARENESS AND REDUCED EGOCENTRIC BIAS, PROCESSES THAT HAVE BEEN IMPLICATED IN EMOTION REGULATION BY OTHERS. THE RA GROUP ACTIVATED THE INFERIOR MIDDLE FRONTAL CORTEX, AN AREA ASSOCIATED WITH COGNITIVE REAPPRAISAL DURING EMOTION REGULATION. THE YP GROUP ALSO DEMONSTRATED A TREND TOWARDS A HIGHER RATIO OF LOW- TO HIGH-FREQUENCY HRV COMPARED TO THE RA GROUP. THE PRESENT FINDINGS SUPPORT THE PRESENCE OF EXPERIENCE-DEPENDENT NEUROVISCERAL MECHANISMS ASSOCIATED WITH EMOTION REGULATION. INDIVIDUALS WHO PRACTICE YOGA REGULATE THEIR NEUROVISCERAL RESPONSES TO POTENTIALLY STRESSFUL EXTERNAL STIMULI IN A DIFFERENT MANNER THAN RECREATIONAL ATHLETES WHO DO NOT ENGAGE IN YOGA PRACTICE. THE PRESENT STUDY HAD A SMALL SAMPLE SIZE (RA: N = 12; YP: N = 19), WHICH SHOULD BE TAKEN INTO ACCOUNT WHEN INTERPRETING THE RESULTS. 2018 5 2449 39 YOGA AND THE INTERPLAY BETWEEN ATTENTIONAL LOAD AND EMOTION INTERFERENCE. THIS STUDY COMPARED 45 YOGA PRACTITIONERS (M AGE = 29.7 YR., SD = 6.4) AND 45 MATCHED CONTROLS (M AGE = 29.3 YR., SD = 6.2) ON THE PERFORMANCE OF A BEHAVIORAL TASK THAT ASSESSED NEGATIVE EMOTION INTERFERENCE DURING A HIGH- AND A LOW-ATTENTIONAL DEMAND CONDITION, AS WELL AS ON STATE AND TRAIT ANXIETY SCORES. OUTCOMES WERE ALSO COMPARED BETWEEN BEGINNER AND ADVANCED PRACTITIONERS. FOR THE BEHAVIORAL TASK, THE FINAL SAMPLE COMPRISED 36 YOGA AND 38 CONTROL PARTICIPANTS. THE YOGA GROUP PRESENTED LOWER EMOTION INTERFERENCE IN THE HIGH ATTENTIONAL CONDITION, COMPARED TO THE LOW ATTENTIONAL CONDITION; RATED EMOTIONAL IMAGES AS LESS UNPLEASANT, COMPARED TO CONTROLS; AND REPORTED LOWER STATE AND TRAIT ANXIETY SCORES RELATIVE TO CONTROLS. ALSO, EMOTION INTERFERENCE IN THE LOW ATTENTIONAL CONDITION WAS LOWER AMONG ADVANCED PRACTITIONERS AND STATE ANXIETY WAS LOWER AMONG PRACTITIONERS ATTENDING MORE THAN TWO WEEKLY YOGA CLASSES. THE RESULTS SUGGESTED THAT YOGA MAY HELP IMPROVE SELF-REGULATORY SKILLS AND LOWER ANXIETY. THE PSYCHOLOGICAL MECHANISMS UNDERLYING THE RELATIONSHIP BETWEEN YOGA AND EMOTION REGULATION SHOULD BE FURTHER INVESTIGATED IN LONGITUDINAL STUDIES. 2015 6 1288 37 GREATER CORTICAL THICKNESS IN ELDERLY FEMALE YOGA PRACTITIONERS-A CROSS-SECTIONAL STUDY. YOGA, A MIND-BODY ACTIVITY THAT REQUIRES ATTENTIONAL ENGAGEMENT, HAS BEEN ASSOCIATED WITH POSITIVE CHANGES IN BRAIN STRUCTURE AND FUNCTION, ESPECIALLY IN AREAS RELATED TO AWARENESS, ATTENTION, EXECUTIVE FUNCTIONS AND MEMORY. NORMAL AGING, ON THE OTHER HAND, HAS ALSO BEEN ASSOCIATED WITH STRUCTURAL AND FUNCTIONAL BRAIN CHANGES, BUT THESE GENERALLY INVOLVE DECREASED COGNITIVE FUNCTIONS. THE AIM OF THIS CROSS-SECTIONAL STUDY WAS TO COMPARE BRAIN CORTICAL THICKNESS (CT) IN ELDERLY YOGA PRACTITIONERS AND A GROUP OF AGE-MATCHED HEALTHY NON-PRACTITIONERS. WE TESTED 21 OLDER WOMEN WHO HAD PRACTICED HATHA YOGA FOR AT LEAST 8 YEARS AND 21 WOMEN NAIVE TO YOGA, MEDITATION OR ANY MIND-BODY INTERVENTIONS WHO WERE MATCHED TO THE FIRST GROUP IN AGE, YEARS OF FORMAL EDUCATION AND PHYSICAL ACTIVITY LEVEL. A T1-WEIGHTED MPRAGE SEQUENCE WAS ACQUIRED FOR EACH PARTICIPANT. YOGA PRACTITIONERS SHOWED SIGNIFICANTLY GREATER CT IN A LEFT PREFRONTAL LOBE CLUSTER, WHICH INCLUDED PORTIONS OF THE LATERAL MIDDLE FRONTAL GYRUS, ANTERIOR SUPERIOR FRONTAL GYRUS AND DORSAL SUPERIOR FRONTAL GYRUS. WE FOUND GREATER CT IN THE LEFT PREFRONTAL CORTEX OF HEALTHY ELDERLY WOMEN WHO TRAINED YOGA FOR A MINIMUM OF 8 YEARS COMPARED WITH WOMEN IN THE CONTROL GROUP. 2017 7 361 32 ASSOCIATIONS BETWEEN ATTENTION, AFFECT AND CARDIAC ACTIVITY IN A SINGLE YOGA SESSION FOR FEMALE CANCER SURVIVORS: AN ENACTIVE NEUROPHENOMENOLOGY-BASED APPROACH. YOGA PRACTICE IS REPORTED TO LEAD TO IMPROVEMENTS IN QUALITY OF LIFE, PSYCHOLOGICAL FUNCTIONING, AND SYMPTOM INDICES IN CANCER SURVIVORS. IMPORTANTLY, MEDITATIVE STATES EXPERIENCED WITHIN YOGA PRACTICE ARE CORRELATED TO NEUROPHYSIOLOGICAL SYSTEMS THAT MODERATE BOTH FOCUS OF ATTENTION AND AFFECTIVE VALENCE. THE CURRENT STUDY USED A MIXED METHODS APPROACH BASED IN NEUROPHENOMENOLOGY TO INVESTIGATE ASSOCIATIONS BETWEEN ATTENTION, AFFECT, AND CARDIAC ACTIVITY DURING A SINGLE YOGA SESSION FOR FEMALE CANCER SURVIVORS. YOGA PRACTICE WAS ASSOCIATED WITH A LINEAR INCREASE IN ASSOCIATIVE ATTENTION AND POSITIVE AFFECTIVE VALENCE, WHILE SHIFTS IN CARDIAC ACTIVITY WERE RELATED TO THE INTENSITY OF EACH YOGA SEQUENCE. CHANGES IN ATTENTION AND AFFECT WERE PREDICTED BY CONCURRENTLY ASSESSED CARDIAC ACTIVITY. AWARENESS OF BREATHING, PHYSICAL MOVEMENT, AND INCREASED RELAXATION WERE REPORTED BY PARTICIPANTS AS POTENTIAL MECHANISMS FOR YOGA'S SALUTARY EFFECTS. WHILE YOGA PRACTICE SHARES COMMONALITIES WITH EXERCISE AND RELAXATION TRAINING, YOGA MAY SERVE PRIMARILY AS A PROMISING MEDITATIVE ATTENTION-AFFECT REGULATION TRAINING METHODOLOGY. 2014 8 1304 39 HATHA YOGA PRACTICE IMPROVES ATTENTION AND PROCESSING SPEED IN OLDER ADULTS: RESULTS FROM AN 8-WEEK RANDOMIZED CONTROL TRIAL. BACKGROUND: AGE-RELATED COGNITIVE DECLINE IS WELL DOCUMENTED ACROSS VARIOUS ASPECTS OF COGNITIVE FUNCTION, INCLUDING ATTENTION AND PROCESSING SPEED, AND LIFESTYLE BEHAVIORS SUCH AS PHYSICAL ACTIVITY PLAY AN IMPORTANT ROLE IN PREVENTING COGNITIVE DECLINE AND MAINTAINING OR EVEN IMPROVING COGNITIVE FUNCTION. PURPOSE: THE PURPOSE OF THIS STUDY WAS TO EVALUATE THE EFFECTS OF AN 8-WEEK HATHA YOGA INTERVENTION ON ATTENTION AND PROCESSING SPEED AMONG OLDER ADULTS. METHODS: PARTICIPANTS (N = 118; MEAN AGE, 62 +/- 5.59) WERE RANDOMLY ASSIGNED TO AN 8-WEEK HATHA YOGA GROUP OR A STRETCHING CONTROL GROUP AND COMPLETED COGNITIVE ASSESSMENTS-ATTENTION NETWORK TASK, TRAIL MAKING TEST PARTS A AND B, AND PATTERN COMPARISON TEST-AT BASELINE AND AFTER THE 8-WEEK INTERVENTION. RESULTS: ANALYSES OF COVARIANCE REVEALED SIGNIFICANTLY FASTER REACTION TIMES FOR THE YOGA GROUP ON THE ATTENTION NETWORK TASK'S NEUTRAL, CONGRUENT, AND INCONGRUENT CONDITIONS (P