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Jiang H, Zhao S, Wu Q, Cao Y, Zhou W, Gong Y, Shao C, Chi A. Dragon boat exercise reshapes the temporal-spatial dynamics of the brain. PeerJ 2024; 12:e17623. [PMID: 38952974 PMCID: PMC11216202 DOI: 10.7717/peerj.17623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 06/02/2024] [Indexed: 07/03/2024] Open
Abstract
Although exercise training has been shown to enhance neurological function, there is a shortage of research on how exercise training affects the temporal-spatial synchronization properties of functional networks, which are crucial to the neurological system. This study recruited 23 professional and 24 amateur dragon boat racers to perform simulated paddling on ergometers while recording EEG. The spatiotemporal dynamics of the brain were analyzed using microstates and omega complexity. Temporal dynamics results showed that microstate D, which is associated with attentional networks, appeared significantly altered, with significantly higher duration, occurrence, and coverage in the professional group than in the amateur group. The transition probabilities of microstate D exhibited a similar pattern. The spatial dynamics results showed the professional group had lower brain complexity than the amateur group, with a significant decrease in omega complexity in the α (8-12 Hz) and β (13-30 Hz) bands. Dragon boat training may strengthen the attentive network and reduce the complexity of the brain. This study provides evidence that dragon boat exercise improves the efficiency of the cerebral functional networks on a spatiotemporal scale.
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Affiliation(s)
- Hongke Jiang
- Department of Physical Education, Shanghai Maritime University, Shanghai, China
| | - Shanguang Zhao
- Department of Physical Education, Shanghai Maritime University, Shanghai, China
| | - Qianqian Wu
- School of Physical Education, Shaanxi Normal University, Xian, China
| | - Yingying Cao
- School of Physical Education, Shaanxi Normal University, Xian, China
| | - Wu Zhou
- School of Physical Education, Shaanxi Normal University, Xian, China
| | - Youwu Gong
- Department of Physical Education, Shanghai Maritime University, Shanghai, China
| | - Changzhuan Shao
- Department of Physical Education, Shanghai Maritime University, Shanghai, China
| | - Aiping Chi
- School of Physical Education, Shaanxi Normal University, Xian, China
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O'Brien MW, Bray NW, Quirion I, Ahmadi S, Faivre P, Gallant F, Gagnon C, Sénéchal M, Dupuy O, Bélanger M, Mekari S. Association between changes in habitual stepping activity and cognition in older adults. Sci Rep 2024; 14:8003. [PMID: 38580840 PMCID: PMC10997579 DOI: 10.1038/s41598-024-58833-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 04/03/2024] [Indexed: 04/07/2024] Open
Abstract
Advancing age is associated with declines in cognitive function. Although physical activity is thought to protect against this decline, it is unclear how a short-term uptake in daily steps or a decline in day-to-day step variability may contribute to cognition among older adults. We tested associations between changes in step counts, day-to-day step variability and executive cognitive functions among older adults taking part in a physical activity intervention. Thirty-seven older adults (33 females; 71.4 ± 6.3 years) completed a 10-week personalized physical activity intervention. Participants wore a Fitbit to measure daily step counts throughout the study. They also completed a computerized Stroop task before and after the intervention. Average step counts and step count variability via average-real-variability (ARV) were determined. Compared to pre-intervention, step counts increased (p < 0.001) and step variability decreased post-intervention (p = 0.04). Models describing the changes in step counts and ARV over the 10-weeks were cubic (both, p < 0.04). Reaction times during the simple (p = 0.002) and switching (p = 0.04) conditions were faster post-intervention. Change in step variability was positively associated with the change in reaction time for the switching condition (β = 0.029, p = 0.002). On average, a reduction in day-to-day step variability was associated with improvements in cognitive flexibility.
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Affiliation(s)
- Myles W O'Brien
- Department of Medicine, Université de Sherbrooke, Sherbrooke, Québec, Canada
- Centre de Formation Médicale du Nouveau-Brunswick, Université de Sherbrooke, Moncton, Canada
| | - Nick W Bray
- Recovery and Performance Laboratory, Faculty of Medicine, Memorial University of Newfoundland, St. John's, Newfoundland and Labrador, Canada
| | - Isadora Quirion
- Department of Medicine, Université de Sherbrooke, Sherbrooke, Québec, Canada
- Centre de Formation Médicale du Nouveau-Brunswick, Université de Sherbrooke, Moncton, Canada
| | - Shirko Ahmadi
- Department of Medicine, Université de Sherbrooke, Sherbrooke, Québec, Canada.
- Centre de Formation Médicale du Nouveau-Brunswick, Université de Sherbrooke, Moncton, Canada.
| | - Pierre Faivre
- Department of Medicine, Université de Sherbrooke, Sherbrooke, Québec, Canada
- Laboratory MOVE (EA 6314), Faculty of Sport Sciences, University of Poitiers, Poitiers, France
| | - Francois Gallant
- Department of Medicine, Université de Sherbrooke, Sherbrooke, Québec, Canada
- Centre de Formation Médicale du Nouveau-Brunswick, Université de Sherbrooke, Moncton, Canada
- Department of Family Medicine, Dalhousie University, Halifax, NS, Canada
- Vitalité Health Network, Moncton, Canada
| | - Caroline Gagnon
- Department of Medicine, Université de Sherbrooke, Sherbrooke, Québec, Canada
- Centre de Formation Médicale du Nouveau-Brunswick, Université de Sherbrooke, Moncton, Canada
| | - Martin Sénéchal
- Faculty of Kinesiology, University of New Brunswick, New Brunswick, Canada
- Cardiometabolic Exercise & Lifestyle Laboratory, Faculty of Kinesiology, University of New Brunswick, New Brunswick, Canada
| | - Olivier Dupuy
- Laboratory MOVE (EA 6314), Faculty of Sport Sciences, University of Poitiers, Poitiers, France
| | - Mathieu Bélanger
- Department of Medicine, Université de Sherbrooke, Sherbrooke, Québec, Canada
- Centre de Formation Médicale du Nouveau-Brunswick, Université de Sherbrooke, Moncton, Canada
| | - Said Mekari
- Department of Medicine, Université de Sherbrooke, Sherbrooke, Québec, Canada
- Centre de Formation Médicale du Nouveau-Brunswick, Université de Sherbrooke, Moncton, Canada
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Wang J, Zhao X, Bi Y, Jiang S, Sun Y, Lang J, Han C. Executive function elevated by long term high-intensity physical activity and the regulation role of beta-band activity in human frontal region. Cogn Neurodyn 2023; 17:1463-1472. [PMID: 37974584 PMCID: PMC10640436 DOI: 10.1007/s11571-022-09905-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 09/19/2022] [Accepted: 10/17/2022] [Indexed: 11/09/2022] Open
Abstract
The importance of physical activity (PA) to people's health has become a consensus around the world, and regular long-term PA has been accepted as an alternative preventive measure for many chronic medical conditions. Although the daily PA have several benefits for the public, the systematic research on its effect in human physiology, cognition and cerebral nerve level is not fully studied. Hence, in this study, we aim to investigate this question in several specific aspects: basal heart rate, executive function, and neural oscillatory activity in the brain. A total of 146 subjects participated in this study and they were divided into two groups. One group (SG) is the long-term training (more than 8 years) subjects in soccer (n = 31), and the other group (CG) is a normal control group (n = 115). The heart rate was monitored with a portable equipment. Besides, 24 subjects (14 in SG and 10 in CG) participated the Go/No-Go task and EEG recording before and after exercise fatigue task. In the physiology level, we found that in the non-training time, the heart rate in CG group is significantly higher than that of the SG group (P < 0.001). In the cognition level, we found that the SG group has a faster reaction time that that of CG group (P < 0.01), while for the accuracy, two groups did show significant difference. In the neural level in the brain, we found a significant abnormal increased beta-band (around 25 Hz) activity in CG group after the exercise fatigue task immediately. Long-term high-intensity physical activity reduces basal heart rate, improves executive function, and improve the central tolerance of the body under the stimulation of fatigue and stress. These benefits of long-term activity could be used as a manual to guide people's healthy life.
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Affiliation(s)
- Junxiang Wang
- College of P.E. and Sports, Beijing Normal University, Beijing, 100875 China
| | - Xudong Zhao
- College of P.E. and Sports, Beijing Normal University, Beijing, 100875 China
| | - Yan Bi
- College of P.E. and Sports, Beijing Normal University, Beijing, 100875 China
| | - Shan Jiang
- Department of Sports Science and Physical Education, Faculty of Education, The Chinese University of Hong Kong, Hong Kong, 999077 China
| | - Yinghua Sun
- College of P.E. and Sports, Beijing Normal University, Beijing, 100875 China
| | - Jian Lang
- College of P.E. and Sports, Beijing Normal University, Beijing, 100875 China
| | - Chuanliang Han
- Shenzhen Key Laboratory of Neuropsychiatric Modulation and Collaborative Innovation Center for Brain Science, Guangdong Provincial Key Laboratory of Brain Connectome and Behavior, CAS Center for Excellence in Brain Science and Intelligence Technology, Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen–Hong Kong Institute of Brain Science, Shenzhen Fundamental Research Institutions, Shenzhen, 518055 China
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James J, Pringle A, Mourton S, Roscoe CMP. The Effects of Physical Activity on Academic Performance in School-Aged Children: A Systematic Review. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1019. [PMID: 37371251 DOI: 10.3390/children10061019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/16/2023] [Accepted: 05/30/2023] [Indexed: 06/29/2023]
Abstract
Schools offer a unique environment to influence children's physical activity (PA) levels positively. This study aims to systematically review the evidence surrounding how PA affects academic performance by analysing how the frequency, intensity, time, and type of PA mediate academic performance outcomes. This review was conducted using the PRISMA framework. Keyword searches were conducted in Science Direct, PubMed, and SPORTDiscus. Children that were obese, typically developing, typical weight, disabled, with a developmental disability, from a low socio-economic background, or an ethnic minority were included. A total of 19 studies were included, with a total of 6788 participants, a mean age of 9.3 years (50.2% boys, and 49.8% girls). Overall, 63.2% were nondisabled, while 36.8% were diagnosed with a disability. Two authors met, reviewed papers with regard to the inclusion criteria, and agreed on outputs to be included. Evidence suggests that associations between PA and academic performance were primarily positive or nonsignificant. PA levels of 90 min plus per week were associated with improved academic performance, as was PA performed at moderate to vigorous intensity. The optimal duration of PA was 30-60 min per session, whilst various sports induced positive academic effects. Importantly, findings support that PA does not have a deleterious effect on academic performance but can enhance it.
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Affiliation(s)
- Joseph James
- Department of Sport and Exercise Science, Clinical Exercise and Rehabilitation Research Centre, University of Derby, Kedleston Road, Derby DE22 1GB, UK
| | - Andy Pringle
- Department of Sport and Exercise Science, Clinical Exercise and Rehabilitation Research Centre, University of Derby, Kedleston Road, Derby DE22 1GB, UK
| | - Stuart Mourton
- Department of Sport and Exercise Science, Clinical Exercise and Rehabilitation Research Centre, University of Derby, Kedleston Road, Derby DE22 1GB, UK
| | - Clare M P Roscoe
- Department of Sport and Exercise Science, Clinical Exercise and Rehabilitation Research Centre, University of Derby, Kedleston Road, Derby DE22 1GB, UK
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van der Weyden MS, Martin J, Rodriguez J, Boolani A. An Intense Bout of Acute Aerobic Exercise, but Not a Carbohydrate Supplement, Improves Cognitive Task Performance in a Sample of Black, Indigenous, and People of Color (BIPOC) Student Athletes. Sports (Basel) 2023; 11:sports11040088. [PMID: 37104162 PMCID: PMC10146807 DOI: 10.3390/sports11040088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/13/2023] [Accepted: 04/17/2023] [Indexed: 04/28/2023] Open
Abstract
BACKGROUND There are contradictory findings in the literature on whether an acute bout of aerobic exercise leads to a post-exercise improvement in cognitive function (CF). Moreover, participants used in the published literature are not representative of the racial make-up of sport or tactical populations. METHODS A randomized crossover design was incorporated, with participants randomly consuming water or a carbohydrate sports drink within the first 3 min of a graded maximal exercise test (GMET) conducted in a laboratory. Twelve self-identified African American participants, (seven males, five females, age = 21.42 ± 2.38 years, height = 174.94 ± 12.55 cm, mass = 82.45 ± 33.09 kg) completed both testing days. Participants completed the CF tests immediately pre- and post-GMET. CF was assessed with the Stroop color and word task (SCWT) and concentration task grid (CTG). Participants completed the GMET when they reported a score of 20 on the Borg ratings of perceived exertion scale. RESULTS Time to complete the SCWT incongruent task (p < 0.001) and CTG performance (p < 0.001) significantly improved post-GMET in both conditions. VO2max was positively correlated with pre- and post-GMET SCWT performance. CONCLUSIONS The findings of our study suggest that an acute bout of maximal exercise significantly improves CF. Additionally, cardiorespiratory fitness is positively associated with CF in our sample of student athletes from a historically Black college and university.
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Affiliation(s)
- Megan Sax van der Weyden
- Sports Medicine Assessment Research & Testing (SMART) Laboratory, George Mason University, Manassas, VA 20110, USA
| | - Joel Martin
- Sports Medicine Assessment Research & Testing (SMART) Laboratory, George Mason University, Manassas, VA 20110, USA
| | - Jose Rodriguez
- Department of Public Health, Yale University, New Haven, CT 06511, USA
| | - Ali Boolani
- Honors Program, Clarkson University, Potsdam, NY 13699, USA
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Molinaro L, Taborri J, Pauletto D, Guerra V, Molinaro D, Sicari G, Regina A, Guerra E, Rossi S. Measuring the Immediate Effects of High-Intensity Functional Training on Motor, Cognitive and Physiological Parameters in Well-Trained Adults. SENSORS (BASEL, SWITZERLAND) 2023; 23:3937. [PMID: 37112276 PMCID: PMC10142119 DOI: 10.3390/s23083937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/04/2023] [Accepted: 04/11/2023] [Indexed: 06/19/2023]
Abstract
The importance of physical activity has been widely demonstrated both in clinics and in sports. One of the new frontier training programs is high-intensity functional training (HIFT). The immediate effects of HIFT on the psychomotor and cognitive performance of well-trained people are still not clear. This paper aims to evaluate the immediate effects induced by HIFT on blood lactate levels, physical performance in terms of body stability and jump ability, and cognitive performance in terms of reaction time. Nineteen well-trained participants were enrolled in the experimental studies and asked to execute six repetitions of a circuit training. Data were gathered both in a pre-training session and after each one of the circuit repetitions. An immediate significant increase with respect to the baseline was observed during the first repetition, with a further increase after the third one. No effects on jump ability were found, whereas a deterioration in body stability was found. Positive immediate effects on cognitive performance in terms of accuracy and speed in task execution were assessed. The findings can be exploited by trainers during coaching to optimize the design of training programs.
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Affiliation(s)
- Luca Molinaro
- Department of Economics, Engineering, Society and Business Organization (DEIM), University of Tuscia, 01100 Viterbo, VT, Italy
| | - Juri Taborri
- Department of Economics, Engineering, Society and Business Organization (DEIM), University of Tuscia, 01100 Viterbo, VT, Italy
| | | | | | | | | | | | | | - Stefano Rossi
- Department of Economics, Engineering, Society and Business Organization (DEIM), University of Tuscia, 01100 Viterbo, VT, Italy
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Magnúsdóttir BB, Gylfason HF, Jóhannsdóttir KR. Blunted Cardiovascular Reactivity Predicts Worse Performance in Working Memory Tasks. Brain Sci 2023; 13:brainsci13040649. [PMID: 37190615 DOI: 10.3390/brainsci13040649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/29/2023] [Accepted: 04/09/2023] [Indexed: 05/17/2023] Open
Abstract
When we experience psychological challenges in the environment, our heart rate usually rises to make us more able to solve the task, but there is an individual difference in cardiovascular reactivity (CVR). Extreme CVR to environmental demands has been associated with worse health outcomes, with blunted CVR (little or no rise in heart rate) related to maladaptive behavior, including depression. The blunted CVR has been explained by motivational disengagement, which involves giving up on a task when facing obstacles. Disengagement is thought to be a habitual response that people might not be aware of, and, therefore, objective measures such as test performance might serve as a good measure of engagement. In this study, 66 participants solved different cognitive tasks while their CVR was measured. The aim was to test the association between test performance and reactivity, measured with the difference in heart rate at baseline and the mean heart rate while solving the tasks. Our results show a significant association between reactivity scores and performance in all tests, of various difficulty, indicating that blunted cardiovascular reactivity predicts poorer cognitive performance. Furthermore, we find an association between reactivity in one test and the performance in the other tests, suggesting that disengagement from environmental demands can be more general and not depend on the task at hand. The results, therefore, support earlier research suggesting that blunted CVR is associated with worse cognitive performance, and extends the literature by indicating that disengagement could be a more general maladaptive response to the environment.
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Mikulski T, Górecka M, Bogdan A, Młynarczyk M, Ziemba AW. Psychomotor Performance after 30 h of Sleep Deprivation Combined with Exercise. Brain Sci 2023; 13:brainsci13040570. [PMID: 37190535 DOI: 10.3390/brainsci13040570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/23/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Sleep deprivation (SD) usually impairs psychomotor performance, but most experiments are usually focused on sedentary conditions. The purpose of this study was to evaluate the influence of 30 h of complete SD combined with prolonged, moderate exercise (SDE) on human psychomotor performance. Eleven endurance-trained men accustomed to overnight exertion were tested twice: in well-slept and non-fatigued conditions (Control) and immediately after 30 h of SDE. They performed a multiple-choice reaction time test (MCRT) at rest and during each workload of the graded exercise test to volitional exhaustion. At rest, the MCRT was shorter after SDE than in the Control (300 ± 13 ms vs. 339 ± 11 ms, respectively, p < 0.05). During graded exercise, there were no significant differences in MCRT between groups, but the fastest reaction was observed at lower workloads after SDE (158 ± 7 W vs. 187 ± 11 W in Control, p < 0.05). The total number of missed reactions tended to be higher after SDE (8.4 ± 0.7 vs. 6.3 ± 0.8 in Control, p = 0.06). In conclusion, SDE is different from SD alone; however, well-trained men, accustomed to overnight exertion can maintain psychomotor abilities independently of the extent of central fatigue. Exercise can be used to enhance psychomotor performance in sleep-deprived subjects in whom special caution is required in order to avoid overload.
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Wu Q, Niu X, Zhang Y, Song J, Chi A. A Comparative Study of Inhibition Function between High-Intensity Interval Training and Moderate-Intensity Continuous Training in Healthy People: A Systematic Review with Meta-Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:2859. [PMID: 36833556 PMCID: PMC9956571 DOI: 10.3390/ijerph20042859] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 01/27/2023] [Accepted: 02/03/2023] [Indexed: 05/19/2023]
Abstract
Meta-analysis was used to compare the effects of two interventions, high-intensity interval training (HIIT) and moderate-intensity continuous training (MICT), on inhibition in executive function in healthy people, providing some theoretical basis for exercise practice and health interventions. We searched the PubMed, Science Direct, Web Of science, Cochrane, and CNKI databases for relevant articles on the inhibition function effects of HIIT and MICT in healthy populations for the period of library construction to 15 September 2022. The basic information of the screened literature was organized and summarized using Excel. Statistical analysis of the correct rate and response time indicators of the inhibition function in the HIIT and MICT groups was performed using Review Manager 5.3 analysis software. A total of 285 subjects from 8 studies were included in this study, the number of HIIT subjects was 142, the number of MICT subjects was 143, including teenagers, young adults, and the elderly. Eight studies included response time, and four included correct rate and response time. The standardized mean difference (SMD) for correct rate inhibition function in the HIIT and MICT groups was 0.14, 95% CI (-0.18, 0.47), SMD at response time was 0.03, 95% CI (-0.20, 0.27). In addition, no significant differences were found between the two exercise modalities in either the intervention period or the population receiving the intervention. Both HIIT and MICT could improve inhibition function in healthy people, but there was no significant difference in the improvement effect between them. It is hoped that this study can provide some references for people's choice of health intervention methods and clinical practice.
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Affiliation(s)
| | | | | | | | - Aiping Chi
- School of Sports, Shaanxi Normal University, Xi’an 710119, China
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Taylor JL, Barnes JN, Johnson BD. The Utility of High Intensity Interval Training to Improve Cognitive Aging in Heart Disease Patients. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:16926. [PMID: 36554807 PMCID: PMC9778921 DOI: 10.3390/ijerph192416926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/06/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Adults with cardiovascular disease and heart failure are at higher risk of cognitive decline. Cerebral hypoperfusion appears to be a significant contributor, which can result from vascular dysfunction and impairment of cerebral blood flow regulation. In contrast, higher cardiorespiratory fitness shows protection against brain atrophy, reductions in cerebral blood flow, and cognitive decline. Given that high intensity interval training (HIIT) has been shown to be a potent stimulus for improving cardiorespiratory fitness and peripheral vascular function, its utility for improving cognitive aging is an important area of research. This article will review the physiology related to cerebral blood flow regulation and cognitive decline in adults with cardiovascular disease and heart failure, and how HIIT may provide a more optimal stimulus for improving cognitive aging in this population.
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Affiliation(s)
- Jenna L. Taylor
- Human Integrative and Environmental Physiology Laboratory, Mayo Clinic, Rochester, MN 55902, USA
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN 55902, USA
| | - Jill N. Barnes
- Bruno Balke Biodynamics Laboratory, Department of Kinesiology, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Bruce D. Johnson
- Human Integrative and Environmental Physiology Laboratory, Mayo Clinic, Rochester, MN 55902, USA
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN 55902, USA
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Ballester-Ferrer JA, Bonete-López B, Roldan A, Cervelló E, Pastor D. Effect of acute exercise intensity on cognitive inhibition and well-being: Role of lactate and BDNF polymorphism in the dose-response relationship. Front Psychol 2022; 13:1057475. [PMID: 36570982 PMCID: PMC9780502 DOI: 10.3389/fpsyg.2022.1057475] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 11/14/2022] [Indexed: 12/13/2022] Open
Abstract
Introduction There is evidence in the literature that acute exercise can modify cognitive function after the effort. However, there is still some controversy concerning the most effective exercise modality to improve cognitive function in acute interventions. Regarding these different exercise modalities, the dose-response relationship between exercise intensity and cognitive response is one of the most challenging questions in exercise and cognition research. Methods In this study, we tested the impact of moderate-intensity (MICT), high-intensity (HIIT) exercise sessions, or control situation (CTRL) on cognitive inhibition (measured with the Stroop Test). Thirty-six young college students participated in this study, where a within-subject repeated measure design was used. Results ANOVA 2×3 demonstrated that HIIT improved the acute cognitive response to a higher degree when compared to MICT or CTRL (p < 0.05). The cognitive improvements correlated with lactate release, providing a plausible molecular explanation for the cognitive enhancement (r < -0.2 and p < 0.05 for all the Stroop conditions). Moreover, a positive trend in wellbeing was observed after both exercise protocols (HIIT and MICT) but not in the CTRL situation. Genetic BDNF single nucleotide polymorphism did not influence any interactions (p < 0.05). Discussion In this sense, our results suggest that exercise intensity could be a key factor in improved cognitive function following exercise in young college students, with no additional impact of BDNF polymorphism. Moreover, our results also provide evidence that exercise could be a useful tool in improving psychological wellbeing.
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Affiliation(s)
| | | | - Alba Roldan
- Sports Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, Elche, Spain
| | - Eduardo Cervelló
- Sports Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, Elche, Spain
| | - Diego Pastor
- Sports Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, Elche, Spain,*Correspondence: Diego Pastor,
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Haberstroh C, Weider S, Flemmen G, Loe H, Andersson HW, Hallgren M, Mosti MP. The effect of high-intensity interval training on cognitive function in patients with substance use disorder: Study protocol for a two-armed randomized controlled trial. Front Sports Act Living 2022; 4:954561. [PMID: 36570498 PMCID: PMC9780390 DOI: 10.3389/fspor.2022.954561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 11/21/2022] [Indexed: 12/13/2022] Open
Abstract
Introduction Substance use disorder (SUD) is characterized by cognitive impairment, especially executive dysfunction. Executive function is recognized as an important determinant of treatment outcome as it is associated with dropout rate, attendance to therapy and potential relapse after treatment termination. Physical activity can have beneficial effects on cognitive function, but there is still a lack of knowledge regarding potential benefits of aerobic exercise for executive function in SUD treatment. The aim of this study is to examine the effect of aerobic high-intensity interval training (HIIT) on cognitive function and the subsequent effect on treatment outcome in patients with SUD. Methods and analysis This study is a randomized controlled trial, including men and women ≥18 years with diagnosed SUD by ICD-10. The patients will be recruited from the department for inpatient treatment at Blue Cross - Lade Addiction Treatment Center, Trondheim, Norway. Participants will be randomized 1:1 into either HIIT (3x/week) + treatment as usual (TAU), or TAU alone. Study outcomes will be assessed at baseline, after eight weeks of intervention, and at 3- and 12-months follow-up. The primary outcome is to compare the change in executive function (via altered BRIEF-A score, Behavior Rating Inventory of Executive Function-Adult) measured between the two study groups after eight weeks. Secondary outcomes include mapping of cognitive function in different subgroups (e.g. type of substance, age, fitness level), collecting self-reported information about quality of life, craving, sleep quality, etc., as well as assessing compliance to TAU and long-term treatment outcome. Ethics and dissemination The project was approved by the Regional Ethical Committee and will be performed in accordance with this protocol and the Declaration of Helsinki. Written informed consent will be obtained from all participants prior to inclusion. This project will explore a novel approach to how exercise can be applied in SUD treatment, beyond the well-known effects on physical health. We expect to achieve new knowledge in regard to what extent HIIT can improve cognitive abilities and subsequent treatment outcome in SUD. Trial registration number https://www.clinicaltrials.gov/NCT05324085.
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Affiliation(s)
- Carolin Haberstroh
- Department of Research and Development, Clinic of Substance Use and Addiction Medicine, St Olavs University Hospital, Trondheim, Norway,Department of Mental Health, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway,Correspondence: Carolin Haberstroh Mats Peder Mosti
| | - Siri Weider
- Department of Psychology, Faculty of Social and Educational Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - Grete Flemmen
- Department of Research and Development, Clinic of Substance Use and Addiction Medicine, St Olavs University Hospital, Trondheim, Norway,Department of Mental Health, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - Henrik Loe
- Department of Research and Development, Clinic of Substance Use and Addiction Medicine, St Olavs University Hospital, Trondheim, Norway
| | - Helle Wessel Andersson
- Department of Research and Development, Clinic of Substance Use and Addiction Medicine, St Olavs University Hospital, Trondheim, Norway
| | - Mats Hallgren
- Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden
| | - Mats Peder Mosti
- Department of Research and Development, Clinic of Substance Use and Addiction Medicine, St Olavs University Hospital, Trondheim, Norway,Correspondence: Carolin Haberstroh Mats Peder Mosti
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13
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The impact of a short-period head-down tilt on executive function in younger adults. Sci Rep 2022; 12:20888. [PMID: 36463320 PMCID: PMC9719537 DOI: 10.1038/s41598-022-25123-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 11/24/2022] [Indexed: 12/07/2022] Open
Abstract
Microgravity has been shown to be a significant stressor on the cardiovascular system and the brain due to the redistribution of fluids that occurs in the absence of gravitational force, but there is scarce literature surrounding the effects of microgravity on cerebral hemodynamics and cognition. Understanding the early effects that simulated gravity has on cognitive function is essential for developing proper physical and cognitive countermeasures to assure safe and effective cognitive/decisions making while astronauts prepare for the initial launch or when they arrive in a microgravity environment. Therefore, this study aims to determine how an acute simulation of microgravity would alter cerebral oxygenation and executive functions. Sixty-five young healthy participants (22 ± 6 years, 21 females) completed a thirty (30) minute horizontal (00 tilt) followed by a 90-min - 6° head-down-tilt (HDT) protocol. Cerebral oxygenation in the prefrontal cortex was monitored throughout the testing session using near-infrared spectroscopy. Cognition was also measured using a computerized Stroop Task. Our results demonstrate that cerebral oxygenation was higher during HDT compared to the horizontal supine position (9.11 ± 1.3 vs. 7.51 ± 1.8, p = 0.02). For the cognitive results, the non-executive performance of the Stroop task remained stable during HDT (652.46 ± 19.3 vs. 632.49 ± 14.5, p = 0.09). However, reaction time during the executive task performance was improved after the HDT (1058 ± 195-950 ± 158 ms, p < 0.01). Our results suggest that an acute bout of simulated microgravity can enhance executive functioning.
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14
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Hebisz P, Cortis C, Hebisz R. Acute Effects of Sprint Interval Training and Chronic Effects of Polarized Training (Sprint Interval Training, High Intensity Interval Training, and Endurance Training) on Choice Reaction Time in Mountain Bike Cyclists. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:14954. [PMID: 36429672 PMCID: PMC9690254 DOI: 10.3390/ijerph192214954] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/10/2022] [Accepted: 11/11/2022] [Indexed: 06/16/2023]
Abstract
This study evaluated the acute effects of sprint interval training and chronic effects of polarized training on choice reaction time in cyclists. Twenty-six mountain bike cyclists participated in the study and were divided into experimental (E) and control (C) groups. The cyclists trained for 9-weeks and performed five training sessions each week. Types of training sessions: (1) sprint interval training (SIT) which consisted of 8-16, 30 s repetitions at maximal intensity, (2) high-intensity interval training (HIIT) included 5 to 7, 5-min efforts at an intensity of 85-95% maximal aerobic power (Pmax), and (3) endurance training (ET) performed at an intensity of 55-60% Pmax, lasting 120--180 min. In each week the cyclists performed: in group E a polarized training program, which included 2 × SIT, 1 × HIIT and 2 × ET, while in group C 2 × HIIT and 3 × ET. Before (acute effects) and after the 9-week training period (chronic effects) participants performed laboratory sprint interval testing protocol (SITP), which consisted of 12 maximal repetitions lasting 30 s. During SITP maximal and mean anaerobic power, as well as lactate ion concentration and blood pH were measured. Choice reaction time (RT) was measured 4-times: before and immediately after the SITP test-before and after the 9-week training period. Evaluated the average choice RT, minimal choice RT (shortest reaction), maximal choice RT (longest reaction), and the number of incorrect reactions. Before the training period as acute effects of SITP, it was observed: a shorter average choice RT (F = 13.61; p = 0.001; η2 = 0.362) and maximal choice RT (F = 4.71; p = 0.040; η2 = 0.164), and a decrease the number of incorrect reactions (F = 53.72; p = 0.000; η2 = 0.691), for E and C groups. After the 9-week training period, chronic effects showed that choice RT did not change in any of the cyclists' groups. Only in the E group after the polarized training period, the number of incorrect reactions decreased (F = 49.03; p = 0.000; η2 = 0.671), average anaerobic power increased (F = 8.70; p = 0.007; η2 = 0.274) and blood pH decreased (F = 27.20; p = 0.000; η2 = 0.531), compared to the value before the training period. In conclusion, a shorter choice RT and a decrease in the number of incorrect reactions as acute effects of SITP, and a decrease in the number of incorrect reactions and higher average power as chronic effects of the polarized training program are beneficial for mountain bike cyclists.
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Affiliation(s)
- Paulina Hebisz
- Department of Physiology and Biochemistry, Wroclaw University of Health and Sport Sciences, 51-612 Wroclaw, Poland
| | - Cristina Cortis
- Department of Human Sciences, Society and Health, University of Cassino and Lazio Meridionale, 03043 Cassino, Italy
| | - Rafal Hebisz
- Department of Physiology and Biochemistry, Wroclaw University of Health and Sport Sciences, 51-612 Wroclaw, Poland
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15
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Pellegrini-Laplagne M, Dupuy O, Sosner P, Bosquet L. Effect of simultaneous exercise and cognitive training on executive functions, baroreflex sensitivity, and pre-frontal cortex oxygenation in healthy older adults: a pilot study. GeroScience 2022; 45:119-140. [PMID: 35881301 PMCID: PMC9315336 DOI: 10.1007/s11357-022-00595-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 05/20/2022] [Indexed: 02/02/2023] Open
Abstract
Aging is characterized by cognitive decline affecting daily functioning. To manage this socio-economic challenge, several non-pharmacological methods such as physical, cognitive, and combined training are proposed. Although there is an important interest in this subject, the literature is still heterogeneous. The superiority of simultaneous training compared to passive control and physical training alone seems clear but very few studies compared simultaneous training to cognitive training alone. The aim of this pilot study was to investigate the effect of simultaneous exercise and cognitive training on several cognitive domains in healthy older adults, in comparison with either training alone. Thirty-five healthy older adults were randomized into one of three experimental groups: exercise training, cognitive training, and simultaneous exercise and cognitive training. The protocol involved two 30-min sessions per week for 24 weeks. Cognitive performance in several domains, pre-frontal cortex oxygenation, and baroreflex sensitivity were assessed before and after the intervention. All groups improved executive performance, including flexibility or working memory. We found a group by time interaction for inhibition cost (F(2,28) = 6.44; p < 0.01) and baroreflex sensitivity during controlled breathing (F(2,25) = 4.22; p = 0.01), the magnitude of improvement of each variable being associated (r = -0.39; p = 0.03). We also found a decrease in left and right pre-frontal cortex oxygenation in all groups during the trail making test B. A simultaneous exercise and cognitive training are more efficient than either training alone to improve executive function and baroreflex sensitivity. The results of this study may have important clinical repercussions by allowing to optimize the interventions designed to maintain the physical and cognitive health of older adults.
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Affiliation(s)
- Manon Pellegrini-Laplagne
- grid.11166.310000 0001 2160 6368Laboratoire MOVE (EA6314), Faculté des sciences du sport, Université de Poitiers, 8 allée Jean Monnet – TSA 31113 – 96073 Poitiers cedex 9, Poitiers, France
| | - Olivier Dupuy
- Laboratoire MOVE (EA6314), Faculté des sciences du sport, Université de Poitiers, 8 allée Jean Monnet - TSA 31113 - 96073 Poitiers cedex 9, Poitiers, France. .,School of Kinesiology and Physical Activity Sciences (EKSAP), Faculty of Medicine, University of Montreal, Montreal, Canada.
| | - Phillipe Sosner
- grid.11166.310000 0001 2160 6368Laboratoire MOVE (EA6314), Faculté des sciences du sport, Université de Poitiers, 8 allée Jean Monnet – TSA 31113 – 96073 Poitiers cedex 9, Poitiers, France ,Mon Stade, Paris, France
| | - Laurent Bosquet
- grid.11166.310000 0001 2160 6368Laboratoire MOVE (EA6314), Faculté des sciences du sport, Université de Poitiers, 8 allée Jean Monnet – TSA 31113 – 96073 Poitiers cedex 9, Poitiers, France ,grid.14848.310000 0001 2292 3357School of Kinesiology and Physical Activity Sciences (EKSAP), Faculty of Medicine, University of Montreal, Montreal, Canada
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16
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Sebastião E, Mangino M, Kim H, Siqueira V, Camic C. High Intensity Interval Training among middle-aged and older adults: a review of protocols and outcomes. Sci Sports 2022. [DOI: 10.1016/j.scispo.2021.07.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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17
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Effect of physical exercise on cognitive function after chemotherapy in patients with breast cancer: a randomized controlled trial (PAM study). Breast Cancer Res 2022; 24:36. [PMID: 35619188 PMCID: PMC9135390 DOI: 10.1186/s13058-022-01530-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 05/13/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Up to 60% of breast cancer patients treated with chemotherapy is confronted with cognitive problems, which can have a significant impact on daily activities and quality of life (QoL). We investigated whether exercise training improves cognition in chemotherapy-exposed breast cancer patients 2-4 years after diagnosis. METHODS Chemotherapy-exposed breast cancer patients, with both self-reported cognitive problems and lower than expected performance on neuropsychological tests, were randomized to an exercise or control group. The 6-month exercise intervention consisted of supervised aerobic and strength training (2 h/week), and Nordic/power walking (2 h/week). Our primary outcome was memory functioning (Hopkins Verbal Learning Test-Revised; HVLT-R). Secondary outcomes included online neuropsychological tests (Amsterdam Cognition Scan; ACS), self-reported cognition (MD Anderson Symptom Inventory for multiple myeloma; MDASI-MM), physical fitness (relative maximum oxygen uptake; VO2peak), fatigue (Multidimensional Fatigue Inventory), QoL (European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire; EORTC QLQ C-30), depression (Patient Health Questionnaire-9, Hospital Anxiety and Depression Scale; HADS), and anxiety (HADS). HVLT-R total recall was analyzed with a Fisher exact test for clinically relevant improvement (≥ 5 words). Other outcomes were analyzed using multiple regression analyses adjusted for baseline and stratification factors. RESULTS We randomized 181 patients to the exercise (n = 91) or control group (n = 90). Two-third of the patients attended ≥ 80% of the exercise sessions, and physical fitness significantly improved compared to control patients (B VO2peak 1.4 ml/min/kg, 95%CI:0.6;2.2). No difference in favor of the intervention group was seen on the primary outcome. Significant beneficial intervention effects were found for self-reported cognitive functioning [MDASI-MM severity (B-0.7, 95% CI - 1.2; - 0.1)], fatigue, QoL, and depression. A hypothesis-driven analysis in highly fatigued patients showed positive exercise effects on tested cognitive functioning [ACS Reaction Time (B-26.8, 95% CI - 52.9; - 0.6) and ACS Wordlist Learning (B4.4, 95% CI 0.5; 8.3)]. CONCLUSIONS A 6-month exercise intervention improved self-reported cognitive functioning, physical fitness, fatigue, QoL, and depression in chemotherapy-exposed breast cancer patients with cognitive problems. Tested cognitive functioning was not affected. However, subgroup analysis indicated a positive effect of exercise on tested cognitive functioning in highly fatigued patients. Trial Registration Netherlands Trial Registry: Trial NL5924 (NTR6104). Registered 24 October 2016, https://www.trialregister.nl/trial/5924 .
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18
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Acute Effect of a Simultaneous Exercise and Cognitive Task on Executive Functions and Prefrontal Cortex Oxygenation in Healthy Older Adults. Brain Sci 2022; 12:brainsci12040455. [PMID: 35447987 PMCID: PMC9027217 DOI: 10.3390/brainsci12040455] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/08/2022] [Accepted: 03/18/2022] [Indexed: 02/04/2023] Open
Abstract
The rapid increase in population aging and associated age-related cognitive decline requires identifying innovative and effective methods to prevent it. To manage this socio-economic challenge, physical, cognitive, and combined stimulations are proposed. The superiority of simultaneous training compared to passive control and physical training alone seems to be an efficient method, but very few studies assess the acute effect on executive function. This study aimed to investigate the acute effect of simultaneous physical and cognitive exercise on executive functions in healthy older adults, in comparison with either training alone. Seventeen healthy older adults performed three experimental conditions in randomized order: physical exercise, cognitive exercise, and simultaneous physical and cognitive exercise. The protocol involved a 30 min exercise duration at 60% of theoretical maximal heart rate or 30 min of cognitive exercise or both. Executive functions measured by the Stroop task and pre-frontal cortex oxygenation were assessed before and after the intervention. We found a main effect of time on executive function and all experimental condition seems to improve inhibition and flexibility scores (<0.05). We also found a decrease in cerebral oxygenation (Δ[HbO2]) in both hemispheres after each intervention in all cognitive performance assessed (p < 0.05). Simultaneous physical and cognitive exercise is as effective a method as either physical or cognitive exercise alone for improving executive function. The results of this study may have important clinical repercussions by allowing to optimize the interventions designed to maintain the cognitive health of older adults since simultaneous provide a time-efficient strategy to improve cognitive performance in older adults.
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19
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Planned Physical Workload in Young Tennis Players Induces Changes in Iron Indicator Levels but Does Not Cause Overreaching. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19063486. [PMID: 35329172 PMCID: PMC8953378 DOI: 10.3390/ijerph19063486] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 03/09/2022] [Accepted: 03/12/2022] [Indexed: 02/04/2023]
Abstract
The current study aimed to examine the impact of the training load of two different training camps on the immunological response in tennis players, including their iron metabolism. Highly ranked Polish tennis players, between the ages of 12 and 14 years, participated in two training camps that were aimed at physical conditioning and at improving technical skills. At baseline and after each camp, blood samples were analyzed, and the fatigue was assessed. The levels of pro- and anti-inflammatory indicators, iron, and hepcidin were determined. The levels of the heat shock proteins, (Hsp) 27 and 70, were also measured. All the effects were evaluated using magnitude-based inference. Although the training camps had different objectives, the physiological responses of the participants were similar. The applied programs induced a significant drop in the iron and hepcidin levels (a small-to-very-large effect) and enhanced the anti-inflammatory response. The tumor necrosis factor α levels were elevated at the beginning of each camp but were decreased towards the end, despite the training intensity being medium/high. The changes were more pronounced in the female players compared to the male players. Altogether, the results suggest that low-grade inflammation in young tennis athletes may be attenuated in response to adequately designed training. To this end, the applied physical workload with a controlled diet and rest-controlled serum iron levels could be the marker of well-designed training.
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20
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Marko DM, Finch MS, Mohammad A, MacNeil AJ, Klentrou P, MacPherson REK. Post-Exercise Serum from Humans Influences the Biological Tug of War of APP Processing in Human Neuronal Cells. Am J Physiol Cell Physiol 2022; 322:C614-C623. [PMID: 35196169 DOI: 10.1152/ajpcell.00418.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Neurodegenerative diseases such as Alzheimer's disease (AD) are becoming more prevalent in our aging society. One specific neuropathological hallmark of this disease is the accumulation of amyloid-β (Aβ) peptides, which aggregate to form extra-neuronal plaques. Increased Aβ peptides are often observed well before symptoms of AD develop, highlighting the importance of targeting Aβ producing pathways early on in disease progression. Evidence indicates that exercise has the capacity to reduce Aβ peptide production in the brain however the mechanisms remain unknown. Exercise-induced signaling mediators could be the driving force behind some of the beneficial effects observed in the brain with exercise. The purpose of this study was to examine if post-exercise serum and the factors it contains can alter neuronal APP processing. Human SH-SY5Y neuronal cells were differentiated with retinoic acid for 5 days and treated with 10% pre- or post-exercise serum from humans for 30 minutes. Cells were collected for analysis of acute (30 minutes; n=6) or adaptive (24 hours post-treatment; n=6) responses. There were no statistical differences in ADAM10 and BACE1 mRNA or protein expression with post-exercise serum treatment at either time point. However, there was an increase in the ratio of sAPPa to sAPPβ protein content (p=0.05) after 30 minutes of post-exercise serum treatment. Additionally, 30 minutes of post-exercise serum treatment increased ADAM10 (p=0.01) and BACE1 (p=0.02) activity. These findings suggest that post-exercise serum modulates important enzymes involved in APP processing, pushing the cascade towards the non-amyloidogenic arm.
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Affiliation(s)
- Daniel M Marko
- Department of Health Sciences, Brock University, St. Catharines, ON, Canada
| | - Michael S Finch
- Department of Health Sciences, Brock University, St. Catharines, ON, Canada
| | - Ahmad Mohammad
- Department of Health Sciences, Brock University, St. Catharines, ON, Canada
| | - Adam J MacNeil
- Department of Health Sciences, Brock University, St. Catharines, ON, Canada
| | - Panagiota Klentrou
- Department of Health Sciences, Brock University, St. Catharines, ON, Canada.,Department of Kinesiology, Brock University, St. Catharines, ON, Canada
| | - Rebecca E K MacPherson
- Department of Health Sciences, Brock University, St. Catharines, ON, Canada.,Centre for Neuroscience, Brock University, St. Catharines, ON, Canada
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21
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Zhang Y, Ke L, Fu Y, Di Q, Ma X. Physical activity attenuates negative effects of short-term exposure to ambient air pollution on cognitive function. ENVIRONMENT INTERNATIONAL 2022; 160:107070. [PMID: 34973588 DOI: 10.1016/j.envint.2021.107070] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 12/02/2021] [Accepted: 12/25/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND As physical activity benefits brain health whereas air pollution damages it, the cognitive response to these exposures may interact. PURPOSE This study aimed to assess the short-term joint effect of physical activity and air pollution on cognitive function in a panel of healthy young adults. METHODS We followed ninety healthy subjects aged around 22 years from September 2020 to June 2021 and measured their personal exposure to fine particulate matter (PM2.5) (μg/m3) and daily accelerometer-based moderate-to-vigorous physical activity (MVPA) (min/day) in 4 one-week-long sessions over the study period. At the end of each measurement session, we assessed executive function using Stroop color-word test and collected resting-state electroencephalogram (EEG) signals. RESULTS We found short-term PM2.5 exposure damaged executive function (βPM25 = 0.0064, p = 0.039) but physical activity could counterbalance it (βMVPA = -0.0047, p = 0.048), whereby beta-3 wave played as a potential mediating role. MVPA-induced improvement on executive function was larger in polluted air (βMVPA = -0.010, p = 0.035) than that in clean air (βMVPA = -0.003, p = 0.45). To offset the negative effect of air pollution on cognitive function, individuals should do extra 13.6 min MVPA every day for every 10 μg/m3 increase in daily PM2.5. CONCLUSION This study implies that physical activity could be used as a preventive approach to compensate the cognitive damages of air pollution.
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Affiliation(s)
- Yao Zhang
- Division of Sports Science & Physical Education, Tsinghua University, Beijing 100084, China.
| | - Limei Ke
- School of Medicine, Tsinghua University, Beijing 100084, China.
| | - Yingyao Fu
- Division of Sports Science & Physical Education, Tsinghua University, Beijing 100084, China.
| | - Qian Di
- Vanke School of Public Health, Tsinghua University, Beijing 100084, China; Institute for Healthy China, Tsinghua University, Beijing 100084, China.
| | - Xindong Ma
- Division of Sports Science & Physical Education, Tsinghua University, Beijing 100084, China.
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22
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Hashimoto T, Tsukamoto H, Ando S, Ogoh S. Effect of Exercise on Brain Health: The Potential Role of Lactate as a Myokine. Metabolites 2021; 11:metabo11120813. [PMID: 34940571 PMCID: PMC8709217 DOI: 10.3390/metabo11120813] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/26/2021] [Accepted: 11/27/2021] [Indexed: 12/24/2022] Open
Abstract
It has been well established in epidemiological studies and randomized controlled trials that habitual exercise is beneficial for brain health, such as cognition and mental health. Generally, it may be reasonable to say that the physiological benefits of acute exercise can prevent brain disorders in late life if such exercise is habitually/chronically conducted. However, the mechanisms of improvement in brain function via chronic exercise remain incompletely understood because such mechanisms are assumed to be multifactorial, such as the adaptation of repeated acute exercise. This review postulates that cerebral metabolism may be an important physiological factor that determines brain function. Among metabolites, the provision of lactate to meet elevated neural activity and regulate the cerebrovascular system and redox states in response to exercise may be responsible for exercise-enhanced brain health. Here, we summarize the current knowledge regarding the influence of exercise on brain health, particularly cognitive performance, with the underlying mechanisms by means of lactate. Regarding the influence of chronic exercise on brain function, the relevance of exercise intensity and modality, particularly high-intensity interval exercise, is acknowledged to induce “metabolic myokine” (i.e., lactate) for brain health.
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Affiliation(s)
- Takeshi Hashimoto
- Faculty of Sport and Health Science, Ritsumeikan University, Shiga 525-8577, Japan; (T.H.); (H.T.)
| | - Hayato Tsukamoto
- Faculty of Sport and Health Science, Ritsumeikan University, Shiga 525-8577, Japan; (T.H.); (H.T.)
| | - Soichi Ando
- Graduate School of Informatics and Engineering, The University of Electro-Communications, Tokyo 182-8585, Japan;
| | - Shigehiko Ogoh
- Department of Biomedical Engineering, Toyo University, Saitama 350-8585, Japan
- Correspondence:
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23
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Menglu S, Suyong Y, Xiaoyan W, Schöllhorn WI, Dong Z. Cognitive effectiveness of high-intensity interval training for individuals with methamphetamine dependence: a study protocol for randomised controlled trial. Trials 2021; 22:650. [PMID: 34556153 PMCID: PMC8460192 DOI: 10.1186/s13063-021-05615-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 09/13/2021] [Indexed: 12/02/2022] Open
Abstract
INTRODUCTION Cognitive deficit is a common syndrome of methamphetamine (MA) dependence. It is related to decision-making, control ability, and social functioning. High-intensity interval training (HIIT) is a training technique that requires people to work out at full intensity during a short period. Many studies have already shown the potential effects of HIIT on cognitive functions. The purpose of this trial is to evaluate the cognitive effects of HIIT on individuals with MA dependence. METHODS AND ANALYSIS A total of 240 individuals with MA dependence will be randomly assigned to the HIIT group, moderate-intensity continuous training (MICT) group and control (CON) group. HIIT will consist of a 24-min HIIT exercise on a treadmill. MICT will consist of a 1-h body-mind exercise. CON will be their traditional intervention. The experimental period will be 12 months with 3 interventions weekly for the first 6 months and follow-up for the next 6 months. All subjects will be given cognitive tests at baseline, after intervention and at follow-up. Cognitive performances will be compared by a mixed-model analysis for repeated measures. DISCUSSION HIIT training may reduce illicit drug cravings amongst individuals with MA dependence; hence, HIIT may have a good effect on the cognitive functions, such as memory and executive function, of individuals with MA dependence. TRIAL REGISTRATION Chinese Clinical Trial Registry ChiCTR2000032492 . Registered on April 30, 2020 ( http://www.chictr.org.cn/edit.aspx?pid=52127&htm=4 ).
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Affiliation(s)
- Shen Menglu
- Wushu College, Shanghai University of Sport, 399 Changhai Road, Shanghai, China
| | - Yang Suyong
- School of Sport Psychology, Shanghai University of Sport, Shanghai, China
| | - Wang Xiaoyan
- School of Physical Education, Hangzhou Normal University, Zhejiang, China
| | | | - Zhu Dong
- School of International Education, Shanghai University of Sport, 399 Changhai Road, Shanghai, China
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24
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Tsai CL, Pan CY, Tseng YT, Chen FC, Chang YC, Wang TC. Acute effects of high-intensity interval training and moderate-intensity continuous exercise on BDNF and irisin levels and neurocognitive performance in late middle-aged and older adults. Behav Brain Res 2021; 413:113472. [PMID: 34274372 DOI: 10.1016/j.bbr.2021.113472] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 07/13/2021] [Accepted: 07/14/2021] [Indexed: 01/30/2023]
Abstract
The purposes of the present study were (1) to explore and compare the acute effects of high-intensity interval training (HIIT) and moderate-intensity continuous exercise (MICE) on neurocognitive performance and molecular biomarkers in late middle-aged and older adults, and (2) to examine the relationships of HIIT/MICE exercise-induced neurocognitive changes with changes in circulating irisin and BDNF levels elicited by different acute exercise modes. Using a within-subject design, twenty-one participants completed an acute bout of 30 min of HIIT, MICE, or a non-exercise-intervention (REST) session in a counterbalanced order. The neuropsychological [i.e., accuracy rate (AR) and reaction time (RT)] and neurophysiological [i.e., event-related potential (ERP) P3 latency and amplitude] indices were simultaneously measured when the participants performed a working memory task at baseline and after an intervention mode. Blood samples were also taken before and after the intervention mode. The results showed that, although ARs were significantly increased only via the MICE intervention mode, the acute HIIT and MICE interventions improved RT performance and increased ERP P3 amplitudes in the late middle-aged and older adults under consideration. Serum BDNF levels were significantly increased with the acute HIIT and MICE interventions, and significant irisin level increases were only observed following the HIIT intervention. However, changes in the levels of Irisin and BDNF pre- and post-intervention were not correlated with changes in neurocognitive performance, with the exception of the correlation between the changes in irisin levels and RTs with acute exercise in the MICE intervention mode. The present findings suggested similar beneficial effects on neurocognitive performance (i.e., RTs and ERP P3 amplitudes) and peripheral BDNF levels following MICE and HIIT interventions in the middle-aged and older adults. In terms of ARs and irisin, the two acute exercise modes appear to induce divergent effects. Irisin may play a potential facilitating role in the neuropsychological (e.g., RT) performance of working memory in such a group. However, the mechanisms remain to be determined.
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Affiliation(s)
- Chia-Liang Tsai
- Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Taiwan.
| | - Chien-Yu Pan
- Department of Physical Education, National Kaohsiung Normal University, Taiwan
| | - Yu-Ting Tseng
- Department of Kinesiology, National Tsing Hua University, Taiwan; Research Center for Education and Mind Sciences, National Tsing Hua University, Taiwan
| | - Fu-Chen Chen
- Department of Physical Education, National Kaohsiung Normal University, Taiwan
| | - Yu-Chuan Chang
- Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Taiwan
| | - Tsai-Chiao Wang
- Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Taiwan
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Park SY, Reinl M, Schott N. Effects of acute exercise at different intensities on fine motor-cognitive dual-task performance while walking: A functional near-infrared spectroscopy study. Eur J Neurosci 2021; 54:8225-8248. [PMID: 33876859 DOI: 10.1111/ejn.15241] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 04/09/2021] [Accepted: 04/11/2021] [Indexed: 11/26/2022]
Abstract
Studies on the effects of acute exercises on cognitive functions vary greatly and depend on the duration and intensity of exercise and the type of cognitive tasks. This study aimed to investigate the neural correlates that underpin the acute effects of high-intensity interval (HIIE) versus moderate-intensity continuous exercise (MCE) on fine motor-cognitive performance while walking (dual-task, DT) in healthy young adults. Twenty-nine healthy right-handers (mean age: 25.1 years ± 4.04; 7 female) performed the digital trail-making-test (dTMT) while walking (5 km/h) before and after acute exercise. During task performance, the hemodynamic activation of the frontopolar area (FPA), dorsolateral prefrontal (DLPFC), and motor cortex (M1) was recorded using functional near-infrared spectroscopy (fNIRS). Both HIIE and MCE resulted in improved dTMT performance, as reflected by an increase in the number of completed circles and a reduction in the time within and between circuits (reflecting improvements in working memory, inhibition, and decision making). Notably, HIIE evoked higher cortical activity on all brain areas measured in the present study than the MCE group. To our knowledge, these results provide the first empirical evidence using a mobile neuroimaging approach that both HIIE and MCE improve executive function during walking, likely mediated by increased activation of the task-related area of the prefrontal cortex and the ability to effectively use, among other things, high fitness levels as neural enrichment resources.
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Affiliation(s)
- Soo-Yong Park
- Department of Sport and Exercise Science, Institute of Sport Psychology and Human Movement Performance, University of Stuttgart, Stuttgart, Germany
| | - Maren Reinl
- Department of Sport and Exercise Science, Institute of Sport Psychology and Human Movement Performance, University of Stuttgart, Stuttgart, Germany
| | - Nadja Schott
- Department of Sport and Exercise Science, Institute of Sport Psychology and Human Movement Performance, University of Stuttgart, Stuttgart, Germany
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Yan-Guang Y, Jing-Yi C, Xiao-Wu P, Meng-Lu S, Su-Yong Y, Ding X, Ke X, Tian-Yuan W, Jia-Bin W, Dong Z. Comparison of physical effect between two training methods for individuals with substance use disorder. BMC Sports Sci Med Rehabil 2021; 13:6. [PMID: 33478548 PMCID: PMC7818546 DOI: 10.1186/s13102-021-00234-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 01/14/2021] [Indexed: 12/11/2022]
Abstract
Background HIIT has recently been widely used for health promotion in healthy people and patients with chronic diseases. Exercise can help SUD reduce drug cravings, enhance mental health and return to normal life. However, whether HIIT can bring better physical rehabilitation benefits to individuals with SUD than MICT is unclear. The study aimed to compare the effects of HIIT versus MICT on the physical fitness of individuals with SUD. Methods One hundred twenty individuals with amphetamine-type stimulant dependence voluntarily participated in this study. They were randomly assigned to the HIIT group and MICT group. Both groups received training three times a week. The intervention lasted from January 2019 to December 2019. Physical fitness was assessed at the baseline, 3 months, 6 months, 9 months and 12 months, including blood pressure (BP), vital capacity(VC), hand grip, push-up, sit-and-reach, one-leg standing with eyes closed and choice reaction time. The craving level was assessed using the Visual Analog Scale at baseline, 6 months and 12 months to see any change along with the improvement in physical fitness. Two-way repeated measures ANOVA was applied to analyse the differences in change by group (HIIT and MICT) and time (baseline, 3 months, 6 months, 9 months and 12 months). Results The within-group factor displayed significant changes in the HIIT and MICT groups in terms of systolic BP (F (4,336) = 12.799, P < 0.001,η2 = 0.204), diastolic BP (F(4,336) = 9.495, P < 0.001, η2 = 0.16), VC (F(4,336) = 18.121, P < 0.001, η2 = 0.177), hand grip (F(4,336) = 34.815, P < 0.001, η2 = 0.293), sit-and-reach (F(4,336) = 13.871, P < 0.001, η2 = 0.142), push-up (F(4,336) = 28.805, P < 0.001, η2 = 0.255), one-leg standing with eyes closed (F(4,336) = 14.495, P < 0.001, η2 = 0.156) and choice reaction time (F(4,336) = 20.603, P < 0.001, η2 = 0.197). The craving level decreased after 12 months of intervention in both groups (F(2,168) = 11.25, P < 0.001, η2 = 0.118), but no significant differences in physical fitness and craving level were found in between groups and the interactions of group × time. Conclusions After 12 months of intervention, physical fitness improved while craving level decreased in the two groups. These findings suggest that both HIIT and MICT have positive effects on individuals with SUD in terms of physical fitness. Trial registration ChiCTR1900022158 Chinese Clinical Trial Registry: Registered 27th March, 2019.
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Affiliation(s)
- Yang Yan-Guang
- Wushu College, Shanghai University of Sport, 200438, Shanghai, China
| | - Chen Jing-Yi
- Wushu College, Shanghai University of Sport, 200438, Shanghai, China
| | - Pang Xiao-Wu
- Wushu College, Shanghai University of Sport, 200438, Shanghai, China
| | - Shen Meng-Lu
- Wushu College, Shanghai University of Sport, 200438, Shanghai, China
| | - Yang Su-Yong
- School of Sport Psychology, Shanghai University of Sport, 200438, Shanghai, China
| | - Xu Ding
- Shanghai Drug Administration, 200080, Shanghai, China
| | - Xiao Ke
- Shanghai Gaojing Drug Compulsory Detoxification and Rehabilitation Center, 200439, Shanghai, China
| | - Wang Tian-Yuan
- Wushu College, Shanghai University of Sport, 200438, Shanghai, China
| | - Wang Jia-Bin
- Wushu College, Shanghai University of Sport, 200438, Shanghai, China
| | - Zhu Dong
- School of International Education, Shanghai University of Sport, 200438, 650 Qing Yuan Huan road, Yang Pu District, Shanghai, China.
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Perrey S. Exercise: A Gate That Primes the Brain to Perform. Brain Sci 2020; 10:brainsci10120980. [PMID: 33327404 PMCID: PMC7764905 DOI: 10.3390/brainsci10120980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 12/10/2020] [Indexed: 11/16/2022] Open
Abstract
The improvement of exercise performance encountered in sports not only represents the enhancement of physical strength but also includes the development of psychological and cognitive functions [...].
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Affiliation(s)
- Stéphane Perrey
- EuroMov Digital Health in Motion, University Montpellier, IMT Mines Ales, 34090 Montpellier, France
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28
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Mekari S, Neyedli HF, Fraser S, O’Brien MW, Martins R, Evans K, Earle M, Aucoin R, Chiekwe J, Hollohan Q, Kimmerly DS, Dupuy O. High-Intensity Interval Training Improves Cognitive Flexibility in Older Adults. Brain Sci 2020; 10:brainsci10110796. [PMID: 33137993 PMCID: PMC7693870 DOI: 10.3390/brainsci10110796] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/21/2020] [Accepted: 10/26/2020] [Indexed: 12/14/2022] Open
Abstract
Introduction: Regular aerobic exercise is associated with better executive function in older adults. It is unclear if high-intensity-interval-training (HIIT) elicits moderate-intensity continuous training (MICT) or resistance training (RT). We hypothesized that HIIT would augment executive function more than MICT and RT. Methods: Sixty-nine older adults (age: 68 ± 7 years) performed six weeks (three days/week) of HIIT (2 × 20 min bouts alternating between 15 s intervals at 100% of peak power output (PPO) and passive recovery (0% PPO); n = 24), MICT (34 min at 60% PPO; n = 19), or whole-body RT (eight exercise superior improvements in executive function of older adults than moderate-intensity-continuous-training, 2 × 10 repetitions; n = 26). Cardiorespiratory fitness (i.e., V˙O2max) and executive function were assessed before and after each intervention via a progressive maximal cycle ergometer protocol and the Stroop Task, respectively. Results: The V˙O2max findings revealed a significant group by time interaction (p = 0.001) in which all groups improved following training, but HIIT and MICT improved more than RT. From pre- to post-training, no interaction in the naming condition of the Stroop Task was observed (p > 0.10). However, interaction from pre- to post-training by group was observed, and only the HIIT group exhibited a faster reaction time (from 1250 ± 50 to 1100 ± 50 ms; p < 0.001) in switching (cognitive flexibility). Conclusion: Despite similar improvements in cardiorespiratory fitness, HIIT, but not MICT nor RT, enhanced cognitive flexibility in older adults. Exercise programs should consider using HIIT protocols in an effort to combat cognitive decline in older adults.
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Affiliation(s)
- Said Mekari
- School of Kinesiology, Acadia University, 550. Main Street, Wolfville, NS B4P 2R6, Canada; (R.M.); (K.E.); (M.E.); (R.A.); (J.C.); (Q.H.)
- Correspondence: ; Tel.: +1-(902)-585-1566
| | - Heather F. Neyedli
- Division of Kinesiology, Faculty of Health, School of Health and Human Performance, Dalhousie University, Halifax, NS B3H 1T8, Canada; (H.F.N.); (M.W.O.); (D.S.K.)
| | - Sarah Fraser
- Interdisciplinary School of Health Sciences, University of Ottawa, Ottawa, ON K1N 74K, Canada;
| | - Myles W. O’Brien
- Division of Kinesiology, Faculty of Health, School of Health and Human Performance, Dalhousie University, Halifax, NS B3H 1T8, Canada; (H.F.N.); (M.W.O.); (D.S.K.)
| | - Ricardo Martins
- School of Kinesiology, Acadia University, 550. Main Street, Wolfville, NS B4P 2R6, Canada; (R.M.); (K.E.); (M.E.); (R.A.); (J.C.); (Q.H.)
| | - Kailey Evans
- School of Kinesiology, Acadia University, 550. Main Street, Wolfville, NS B4P 2R6, Canada; (R.M.); (K.E.); (M.E.); (R.A.); (J.C.); (Q.H.)
| | - Meghan Earle
- School of Kinesiology, Acadia University, 550. Main Street, Wolfville, NS B4P 2R6, Canada; (R.M.); (K.E.); (M.E.); (R.A.); (J.C.); (Q.H.)
| | - Rachelle Aucoin
- School of Kinesiology, Acadia University, 550. Main Street, Wolfville, NS B4P 2R6, Canada; (R.M.); (K.E.); (M.E.); (R.A.); (J.C.); (Q.H.)
| | - Joy Chiekwe
- School of Kinesiology, Acadia University, 550. Main Street, Wolfville, NS B4P 2R6, Canada; (R.M.); (K.E.); (M.E.); (R.A.); (J.C.); (Q.H.)
| | - Quinn Hollohan
- School of Kinesiology, Acadia University, 550. Main Street, Wolfville, NS B4P 2R6, Canada; (R.M.); (K.E.); (M.E.); (R.A.); (J.C.); (Q.H.)
| | - Derek S. Kimmerly
- Division of Kinesiology, Faculty of Health, School of Health and Human Performance, Dalhousie University, Halifax, NS B3H 1T8, Canada; (H.F.N.); (M.W.O.); (D.S.K.)
| | - Olivier Dupuy
- Laboratory MOVE (EA 6314), Faculty of Sport Sciences, University of Poitiers, 86000 Poitiers, France;
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Lehmann N, Villringer A, Taubert M. Intrinsic Connectivity Changes Mediate the Beneficial Effect of Cardiovascular Exercise on Sustained Visual Attention. Cereb Cortex Commun 2020; 1:tgaa075. [PMID: 34296135 PMCID: PMC8152900 DOI: 10.1093/texcom/tgaa075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 10/05/2020] [Accepted: 10/06/2020] [Indexed: 01/21/2023] Open
Abstract
Cardiovascular exercise (CE) is an evidence-based healthy lifestyle strategy. Yet, little is known about its effects on brain and cognition in young adults. Furthermore, evidence supporting a causal path linking CE to human cognitive performance via neuroplasticity is currently lacking. To understand the brain networks that mediate the CE-cognition relationship, we conducted a longitudinal, controlled trial with healthy human participants to compare the effects of a 2-week CE intervention against a non-CE control group on cognitive performance. Concomitantly, we used structural and functional magnetic resonance imaging to investigate the neural mechanisms mediating between CE and cognition. On the behavioral level, we found that CE improved sustained attention, but not processing speed or short-term memory. Using graph theoretical measures and statistical mediation analysis, we found that a localized increase in eigenvector centrality in the left middle frontal gyrus, probably reflecting changes within an attention-related network, conveyed the effect of CE on cognition. Finally, we found CE-induced changes in white matter microstructure that correlated with intrinsic connectivity changes (intermodal correlation). These results suggest that CE is a promising intervention strategy to improve sustained attention via brain plasticity in young, healthy adults.
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Affiliation(s)
- Nico Lehmann
- Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig 04103, Germany
- Department of Sport Science, Faculty of Human Sciences, Institute III, Otto von Guericke University, Magdeburg 39104, Germany
| | - Arno Villringer
- Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig 04103, Germany
- Mind and Brain Institute, Charité and Humboldt University, Berlin 10117, Germany
| | - Marco Taubert
- Department of Sport Science, Faculty of Human Sciences, Institute III, Otto von Guericke University, Magdeburg 39104, Germany
- Center for Behavioral and Brain Science (CBBS), Otto von Guericke University, Magdeburg 39106, Germany
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