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Gomez-Pinilla F, Thapak P. Exercise epigenetics is fueled by cell bioenergetics: Supporting role on brain plasticity and cognition. Free Radic Biol Med 2024; 220:43-55. [PMID: 38677488 PMCID: PMC11144461 DOI: 10.1016/j.freeradbiomed.2024.04.237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/04/2024] [Accepted: 04/24/2024] [Indexed: 04/29/2024]
Abstract
Exercise has the unique aptitude to benefit overall health of body and brain. Evidence indicates that the effects of exercise can be saved in the epigenome for considerable time to elevate the threshold for various diseases. The action of exercise on epigenetic regulation seems central to building an "epigenetic memory" to influence long-term brain function and behavior. As an intrinsic bioenergetic process, exercise engages the function of the mitochondria and redox pathways to impinge upon molecular mechanisms that regulate synaptic plasticity and learning and memory. We discuss how the action of exercise uses mechanisms of bioenergetics to support a "epigenetic memory" with long-term implications for neural and behavioral plasticity. This information is crucial for directing the power of exercise to reduce the burden of neurological and psychiatric disorders.
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Affiliation(s)
- Fernando Gomez-Pinilla
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA, 90095, USA; Department of Neurosurgery, UCLA Brain Injury Research Center, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
| | - Pavan Thapak
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA, 90095, USA
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2
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Liu C, Gao S, Li S. The effect of physical exercise intervention on the ability of daily living in patients with Alzheimer's dementia: a meta-analysis. Front Aging Neurosci 2024; 16:1391611. [PMID: 38882523 PMCID: PMC11177344 DOI: 10.3389/fnagi.2024.1391611] [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: 02/26/2024] [Accepted: 05/16/2024] [Indexed: 06/18/2024] Open
Abstract
Objective To systematically evaluate the effect of physical exercise intervention on the activities of daily living (ADL) on patients with Alzheimer's dementia (AD) and explore the optimal exercise scheme. Methods PubMed, EMBASE, the Cochrane Library, Web of Science, and Science Direct databases were searched from 1987 to December 2023 to collect randomized controlled trials (RCTs). Two investigators independently screened the literature and extracted data according to the inclusion and exclusion criteria. The quality of the included studies was evaluated using Cochrane Review Manager 5.3. And STATA 16.0 was used for performing the meta-analysis. Results Fifteen randomized controlled trials were included. The results of the meta-analysis showed that physical exercise had a positive effect on the improvement of ADL in patients with AD [standardized mean difference (SMD) = 0.312, 95% confidence interval (CI 0.039-0.585), P = 0.02], and the difference was statistically significant. The results of subgroup analysis showed that anaerobic exercises such as strength and balance training with a medium cycle of 12-16 weeks and lasting 30-45 min each time were more ideal for the improvement of basic daily living ability of AD patients. Conclusion Physical exercise can effectively improve activities of daily living in patients with Alzheimer's dementia and it may be a potential non-drug treatment for AD patients.
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Affiliation(s)
- Chenyu Liu
- School of Sports Science, Qufu Normal University, Qufu, Shandong, China
| | - Shiying Gao
- School of Psychology, Shanghai Sport University, Shanghai, China
| | - Shanshan Li
- School of Physical Education, Sichuan University, Chengdu, Sichuan, China
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3
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Merzbach V, Jewiss M, Scruton A, Gordon D. The Effects of Prescribed Physical and Cognitive Exercise on Life Satisfaction, Self-Efficacy and Mood States in Adults with Down Syndrome: The MinDSets Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2024; 21:610. [PMID: 38791824 PMCID: PMC11121286 DOI: 10.3390/ijerph21050610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 04/29/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024]
Abstract
Down syndrome (DS) is characterised by a duplication of chromosome-21 and is linked to co-occurring physical and mental health conditions, including low self-efficacy and disturbed mood states. The purpose of this study was to investigate the effects of an eight-week prescribed physical and/or cognitive training intervention on measures of mood disturbance, life satisfaction and self-efficacy in a population of adults with DS. Eighty-three participants (age 27.1 ± 8.0 years) from across five continents volunteered. Participants were assigned using matched groups based upon performance in a modified six-minute walk test to either an exercise (EXE) 3 × 30 min of walking/jogging per week, cognitive training (COG) 6 × 20 min per week, a combined group (COM) or the control (CON) who did not complete any intervention. Profile of Mood States (POMS) were assessed using a five-point scale across 65 categories pre- and post-study as well as upon completion of each week of the intervention. In addition, Satisfaction with Life Scale (SWLS) and self-efficacy using the Generalised Self-Efficacy scale (GSE) were recorded before and after the intervention. GSE increased for all participants by 1.9 ± 5.2 (p = 0.002) from pre- to post-intervention, while POMS showed significant changes for the whole group from pre- to post-intervention for tension (p < 0.001), depression (p < 0.001) and for anger (p < 0.001). In addition, significant correlations were observed between SWLS and ΔTMD, Δtension, Δanger, and Δfatigue (p < 0.05) for EXE. Both COG and EXE provide a framework for empowering enhancements in life satisfaction, self-efficacy and mood states fostering improvements in quality of life.
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Affiliation(s)
- Viviane Merzbach
- Cambridge Centre for Sport & Exercise Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK; (V.M.); (M.J.); (A.S.)
| | - Matthew Jewiss
- Cambridge Centre for Sport & Exercise Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK; (V.M.); (M.J.); (A.S.)
| | - Adrian Scruton
- Cambridge Centre for Sport & Exercise Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK; (V.M.); (M.J.); (A.S.)
| | - Dan Gordon
- Cambridge Centre for Sport & Exercise Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK; (V.M.); (M.J.); (A.S.)
- Complexité, Innovation, Activités Motrices et Sportives (CIAMS), Université, Paris-Saclay, CEDEX, 91405 Orsay, France
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4
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Mehren A, Philipsen A. [Is Physical Activity a Treatment Option for ADHD?]. ZEITSCHRIFT FUR KINDER- UND JUGENDPSYCHIATRIE UND PSYCHOTHERAPIE 2024; 52:124-133. [PMID: 38335974 DOI: 10.1024/1422-4917/a000963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
Is Physical Activity a Treatment Option for ADHD? Abstract: Physical activity as an option for the prevention and treatment of psychiatric disorders is increasingly becoming the focus of research. In particular, because of improvements in cognitive functioning, attentional performance, impulsivity, and hyperactivity, physical exercise could be a promising treatment option for attention deficit hyperactivity disorder (ADHD). In this narrative review, we present and evaluate the current state of research on exercise effects in children and adolescents as well as in adults with ADHD. While studies of the short-term effects of a single bout of physical activity indicate robust effects on attention and inhibitory control, results on the impact on further symptoms of ADHD as well as in adults are mixed. Randomized controlled trials of longer-term physical activity are scarce and show high heterogeneity. Nevertheless, they are encouraging for further research in this area.
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Affiliation(s)
- Aylin Mehren
- Klinik und Poliklinik für Psychiatrie und Psychotherapie, Universitätsklinikum Bonn, Deutschland
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen Medical Centre, The Netherlands
| | - Alexandra Philipsen
- Klinik und Poliklinik für Psychiatrie und Psychotherapie, Universitätsklinikum Bonn, Deutschland
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5
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Zhang R, Liu S, Mousavi SM. Cognitive Dysfunction and Exercise: From Epigenetic to Genetic Molecular Mechanisms. Mol Neurobiol 2024:10.1007/s12035-024-03970-7. [PMID: 38286967 DOI: 10.1007/s12035-024-03970-7] [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: 11/16/2023] [Accepted: 01/19/2024] [Indexed: 01/31/2024]
Abstract
Maintaining good health is crucial, and exercise plays a vital role in achieving this goal. It offers a range of positive benefits for cognitive function, regardless of age. However, as our population ages and life expectancy increases, cognitive impairment has become a prevalent issue, often coexisting with age-related neurodegenerative conditions. This can result in devastating consequences such as memory loss, difficulty speaking, and confusion, greatly hindering one's ability to lead an ordinary life. In addition, the decrease in mental capacity has a significant effect on an individual's physical and emotional well-being, greatly reducing their overall level of contentment and causing a significant financial burden for communities. While most current approaches aim to slow the decline of cognition, exercise offers a non-pharmacological, safe, and accessible solution. Its effects on cognition are intricate and involve changes in the brain's neural plasticity, mitochondrial stability, and energy metabolism. Moreover, exercise triggers the release of cytokines, playing a significant role in the body-brain connection and its impact on cognition. Additionally, exercise can influence gene expression through epigenetic mechanisms, leading to lasting improvements in brain function and behavior. Herein, we summarized various genetic and epigenetic mechanisms that can be modulated by exercise in cognitive dysfunction.
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Affiliation(s)
- Runhong Zhang
- Department of Physical Education, Luliang University, Lishi, 033000, Shanxi, China.
| | - Shangwu Liu
- Department of Physical Education, Luliang University, Lishi, 033000, Shanxi, China
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Liu J, Pan M, Sun M, Shi H, Feng R. Nutritional Status and Physical Exercise Are Associated with Cognitive Function in Chinese Community-Dwelling Older Adults: The Role of Happiness. Nutrients 2024; 16:203. [PMID: 38257095 PMCID: PMC10819784 DOI: 10.3390/nu16020203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/29/2023] [Accepted: 01/05/2024] [Indexed: 01/24/2024] Open
Abstract
We aim to assess the relationship between nutrition status, physical exercise, and cognitive function and particularly examine how happiness modifies and mediates the relationship, among 699 seniors aged 60 and above in Shanghai, China. Linear regression models were used to validate the effects of nutrition and exercise on cognitive function and to test their interaction effects with happiness. When the interactions were significant, stratified analyses in sub-groups were conducted. Mediation effects of happiness were examined using two-step causal mediation models. We confirmed that better nutrition (p < 0.001) and exercise (p = 0.009) were significantly associated with less cognitive decline. Furthermore, the effects of nutrition and exercise on cognitive decline were significant in the unhappy (happiness < 20) (p < 0.001) and younger (age < 74) sub-groups (p = 0.015). Happiness partially mediated 11.5% of the negative association of cognitive decline with nutrition (p = 0.015) and 23.0% of that with exercise (p = 0.017). This study suggests that happiness moderates and partially mediates the effects of exercise and nutrition on cognitive status. The beneficial effects of exercise and nutrition were stronger in less happy or younger seniors. Future intervention studies are required to confirm this path relationship.
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Affiliation(s)
- Jianghong Liu
- School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA; (M.P.); (H.S.)
| | - Michael Pan
- School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA; (M.P.); (H.S.)
- School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - McKenna Sun
- School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA; (M.P.); (H.S.)
- College of Arts & Sciences, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Haoer Shi
- School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA; (M.P.); (H.S.)
- School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Rui Feng
- Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA;
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He LW, Guo XJ, Zhao C, Rao JS. Rehabilitation Training after Spinal Cord Injury Affects Brain Structure and Function: From Mechanisms to Methods. Biomedicines 2023; 12:41. [PMID: 38255148 PMCID: PMC10813763 DOI: 10.3390/biomedicines12010041] [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: 11/01/2023] [Revised: 12/03/2023] [Accepted: 12/12/2023] [Indexed: 01/24/2024] Open
Abstract
Spinal cord injury (SCI) is a serious neurological insult that disrupts the ascending and descending neural pathways between the peripheral nerves and the brain, leading to not only functional deficits in the injured area and below the level of the lesion but also morphological, structural, and functional reorganization of the brain. These changes introduce new challenges and uncertainties into the treatment of SCI. Rehabilitation training, a clinical intervention designed to promote functional recovery after spinal cord and brain injuries, has been reported to promote activation and functional reorganization of the cerebral cortex through multiple physiological mechanisms. In this review, we evaluate the potential mechanisms of exercise that affect the brain structure and function, as well as the rehabilitation training process for the brain after SCI. Additionally, we compare and discuss the principles, effects, and future directions of several rehabilitation training methods that facilitate cerebral cortex activation and recovery after SCI. Understanding the regulatory role of rehabilitation training at the supraspinal center is of great significance for clinicians to develop SCI treatment strategies and optimize rehabilitation plans.
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Affiliation(s)
- Le-Wei He
- Beijing Key Laboratory for Biomaterials and Neural Regeneration, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China; (L.-W.H.); (X.-J.G.)
| | - Xiao-Jun Guo
- Beijing Key Laboratory for Biomaterials and Neural Regeneration, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China; (L.-W.H.); (X.-J.G.)
| | - Can Zhao
- Institute of Rehabilitation Engineering, China Rehabilitation Science Institute, Beijing 100068, China
| | - Jia-Sheng Rao
- Beijing Key Laboratory for Biomaterials and Neural Regeneration, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China; (L.-W.H.); (X.-J.G.)
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8
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Bugge Kambestad O, Sirevåg K, Mrdalj J, Hovland A, Bruun Endal T, Andersson E, Sjøbø T, Haukenes Stavestrand S. Physical Exercise and Serum BDNF Levels: Accounting for the Val66Met Polymorphism in Older Adults. Cogn Behav Neurol 2023; 36:219-227. [PMID: 37404130 PMCID: PMC10683974 DOI: 10.1097/wnn.0000000000000349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 03/28/2023] [Indexed: 07/06/2023]
Abstract
BACKGROUND Brain-derived neurotrophic factor (BDNF) expression, which can be measured in blood serum, has been found to increase with aerobic exercise. The link between BDNF level, physical exercise, and genetic status (Val66Met polymorphism) has not been well researched in older adults. OBJECTIVE To investigate the possible link between BDNF expression, acute aerobic exercise, and the Val66Met polymorphism in older adults. METHOD Twenty-three healthy older adults participated in one session of acute aerobic exercise. Their serum BDNF levels were measured both at baseline and post exercise. Saliva samples were collected to identify each individual's genetic status. RESULTS At baseline, the individuals' mean serum BDNF level was 16.03 ng/mL (Val66Val = 15.89 ng/mL; Val66Met = 16.34 ng/mL); post exercise, the individuals' mean serum BDNF level was 16.81 ng/mL (Val66Val = 16.14 ng/mL; Val66Met = 18.34 ng/mL). CONCLUSION One session of acute aerobic exercise significantly increased the individuals' mean serum BDNF level. Males had higher BDNF levels than females. There was a significant interaction between gender and BDNF expression post exercise and a significant between-group effect of gender. The Val66Met carriers had a more positive response to the acute aerobic exercise compared with the Val66Val carriers, although without a significant difference between the two groups.
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Affiliation(s)
- Oda Bugge Kambestad
- Solli District Psychiatric Centre, Nesttun, Norway
- Institute for Clinical Psychology, University of Bergen, Bergen, Norway
| | - Kristine Sirevåg
- Solli District Psychiatric Centre, Nesttun, Norway
- Institute for Clinical Psychology, University of Bergen, Bergen, Norway
| | - Jelena Mrdalj
- Department of Biological and Medical Psychology, University of Bergen, Bergen, Norway
| | - Anders Hovland
- Solli District Psychiatric Centre, Nesttun, Norway
- Institute for Clinical Psychology, University of Bergen, Bergen, Norway
| | | | - Eva Andersson
- The Swedish School of Sport and Health Sciences, Stockholm, Sweden
- Karolinska Institute, Department of Neuroscience, Stockholm, Sweden
| | - Trond Sjøbø
- Solli District Psychiatric Centre, Nesttun, Norway
| | - Silje Haukenes Stavestrand
- Solli District Psychiatric Centre, Nesttun, Norway
- Institute for Clinical Psychology, University of Bergen, Bergen, Norway
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9
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Mallick R, Duttaroy AK. Epigenetic modification impacting brain functions: Effects of physical activity, micronutrients, caffeine, toxins, and addictive substances. Neurochem Int 2023; 171:105627. [PMID: 37827244 DOI: 10.1016/j.neuint.2023.105627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/06/2023] [Accepted: 10/07/2023] [Indexed: 10/14/2023]
Abstract
Changes in gene expression are involved in many brain functions. Epigenetic processes modulate gene expression by histone modification and DNA methylation or RNA-mediated processes, which is important for brain function. Consequently, epigenetic changes are also a part of brain diseases such as mental illness and addiction. Understanding the role of different factors on the brain epigenome may help us understand the function of the brain. This review discussed the effects of caffeine, lipids, addictive substances, physical activity, and pollutants on the epigenetic changes in the brain and their modulatory effects on brain function.
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Affiliation(s)
- Rahul Mallick
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Finland
| | - Asim K Duttaroy
- Department of Nutrition, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, POB 1046 Blindern, Oslo, Norway.
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Zhao Y, Huang B, Yu Y, Luan J, Huang S, Liu Y, Yang H, Chen Y, Yang R, Dong J, Shi H. Exercise to prevent the negative effects of sleep deprivation: A systematic review and meta-analysis. Neurosci Biobehav Rev 2023; 155:105433. [PMID: 37898446 DOI: 10.1016/j.neubiorev.2023.105433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 10/07/2023] [Accepted: 10/22/2023] [Indexed: 10/30/2023]
Abstract
Ample sleep is an important basis for maintaining health, however with the pace of life accelerating in modern society, more people are using sacrificial sleep to cope with these social changes. Sleep deprivation can have negative effects on cognitive performance and psychosomatic health. It is well known that exercise, as a beneficial intervention strategy for human health, has been increasingly used in the clinic. But it's not clear if it can prevent the negative effects of sleep deprivation. In this meta-analysis, we reviewed 23 articles from PubMed and Web of Science to investigate whether moderate physical exercise can prevent the negative effects of sleep deprivation in rodents. Our findings suggest that exercise can prevent sleep deprivation-induced cognitive impairment and anxiety-like behaviors through multiple pathways. We also discuss possible molecular mechanisms involved in this protective effect, highlighting the potential of exercise as a preventive or therapeutic strategy for sleep deprivation-induced negative effects.
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Affiliation(s)
- Ye Zhao
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Boya Huang
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Yang Yu
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Jiage Luan
- Nursing School, Hebei Medical University, Shijiazhuang 050017, China
| | - Shihao Huang
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence, Peking University, Beijing 100191, China
| | - Ye Liu
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Huiping Yang
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Yifei Chen
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Rui Yang
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Jing Dong
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology, Wuhan 430000, Hubei, China
| | - Haishui Shi
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China; Nursing School, Hebei Medical University, Shijiazhuang 050017, China.
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11
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Merzbach V, Ferrandino M, Gernigon M, Marques Pinto J, Scruton A, Gordon D. Impact of Prescribed Exercise on the Physical and Cognitive Health of Adults with Down Syndrome: The MinDSets Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:7121. [PMID: 38063551 PMCID: PMC10706086 DOI: 10.3390/ijerph20237121] [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: 08/25/2023] [Revised: 09/29/2023] [Accepted: 10/06/2023] [Indexed: 12/18/2023]
Abstract
The duplication of chromosome 21, as evidenced in Down Syndrome (DS), has been linked to contraindications to health, such as chronotropic and respiratory incompetence, neuromuscular conditions, and impaired cognitive functioning. The purpose of this study was to examine the effects of eight weeks of prescribed exercise and/or cognitive training on the physical and cognitive health of adults with DS. Eighty-three participants (age 27.1 ± 8.0 years) across five continents participated. Physical fitness was assessed using a modified version of the six-minute walk test (6MWT), while cognitive and executive functions were assessed using the Corsi block test, the Sustained-Attention-To-Response Task (SART), and the Stroop task (STROOP). All were completed pre- and post-intervention. Participants were assigned to eight weeks of either exercise (EXE), 3 × 30 min of walking/jogging per week, cognitive training (COG) 6 × ~20 min per week, a combined group (COM), and a control group (CON) engaging in no intervention. 6MWT distance increased by 11.4% for EXE and 9.9% for COM (p < 0.05). For SART, there were positive significant interactions between the number of correct and incorrect responses from pre- to post-intervention when participants were asked to refrain from a response (NO-GO-trials) across all experimental groups (p < 0.05). There were positive significant interactions in the number of correct, incorrect, and timeout incompatible responses for STROOP in EXE, COG, and COM (p < 0.05). Walking generated a cognitive load attributed to heightened levels of vigilance and decision-making, suggesting that exercise should be adopted within the DS community to promote physical and cognitive well-being.
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Affiliation(s)
- Viviane Merzbach
- Cambridge Centre for Sport & Exercise Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK; (V.M.); (M.F.); (M.G.); (J.M.P.); (A.S.)
| | - Michael Ferrandino
- Cambridge Centre for Sport & Exercise Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK; (V.M.); (M.F.); (M.G.); (J.M.P.); (A.S.)
| | - Marie Gernigon
- Cambridge Centre for Sport & Exercise Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK; (V.M.); (M.F.); (M.G.); (J.M.P.); (A.S.)
- CIAMS, Université Paris-Saclay, CEDEX, 91405 Orsay, France
- CIAMS, Université d’Orléans, 45067 Orléans, France
| | - Jorge Marques Pinto
- Cambridge Centre for Sport & Exercise Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK; (V.M.); (M.F.); (M.G.); (J.M.P.); (A.S.)
| | - Adrian Scruton
- Cambridge Centre for Sport & Exercise Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK; (V.M.); (M.F.); (M.G.); (J.M.P.); (A.S.)
| | - Dan Gordon
- Cambridge Centre for Sport & Exercise Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK; (V.M.); (M.F.); (M.G.); (J.M.P.); (A.S.)
- CIAMS, Université Paris-Saclay, CEDEX, 91405 Orsay, France
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12
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Piccardi L, Pecchinenda A, Palmiero M, Giancola M, Boccia M, Giannini AM, Guariglia C. The contribution of being physically active to successful aging. Front Hum Neurosci 2023; 17:1274151. [PMID: 38034073 PMCID: PMC10682790 DOI: 10.3389/fnhum.2023.1274151] [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: 08/07/2023] [Accepted: 10/19/2023] [Indexed: 12/02/2023] Open
Abstract
Growing old involves changes in physical, psychological, and cognitive functions. Promoting physical and mental health has become one of the priorities for an aging population. Studies have demonstrated the benefits of engaging in regular physical activity. Here, we aimed to understand the relationships between physical activity and working memory complaints in attention, memory storage, and executive functions. We hypothesized that physical activity was negatively associated with complaints in working memory domains after controlling for socio-demographics and distress factors, such as anxiety, stress, and depression. Two hundred and twenty-three individuals aged between 65 and 100 years (74.84; SD = 7.74; 133 males) without self-reported neurological and/or psychiatric disorders completed a questionnaire on socio-demographic, with questions on physical activity and the Italian version of the working memory questionnaire (WMQ) and the DASS-21 measuring anxiety, stress, and depression. Results from three linear regression models showed that low physical activity was associated with complaints in attention (R2 = 0.35) and executive functions (R2 = 0.37) but not in memory storage (R2 = 0.28). Notably, age, gender, and total emotional distress (DASS score) were significant in all regression models. Our results suggested regular physical activity, even just walking, is crucial for maintaining efficient cognitive function. Theoretical and practical implications for engaging in physical activity programs and social aggregation during exercise are considered. Limitations are also presented.
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Affiliation(s)
- Laura Piccardi
- Department of Psychology, Sapienza University of Rome, Rome, Italy
- San Raffaele Cassino Hospital, Cassino, Italy
| | - Anna Pecchinenda
- Department of Psychology, Sapienza University of Rome, Rome, Italy
| | | | - Marco Giancola
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | - Maddalena Boccia
- Department of Psychology, Sapienza University of Rome, Rome, Italy
- IRCCS Fondazione Santa Lucia, Rome, Italy
| | | | - Cecilia Guariglia
- Department of Psychology, Sapienza University of Rome, Rome, Italy
- IRCCS Fondazione Santa Lucia, Rome, Italy
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13
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Ward NA, Reid-McCann R, Brennan L, Cardwell CR, de Groot C, Maggi S, McCaffrey N, McGuinness B, McKinley MC, Noale M, O'Neill RF, Prinelli F, Sergi G, Trevisan C, Volkert D, Woodside JV, McEvoy CT. Effects of PROtein enriched MEDiterranean Diet and EXercise on nutritional status and cognition in adults at risk of undernutrition and cognitive decline: the PROMED-EX Randomised Controlled Trial. BMJ Open 2023; 13:e070689. [PMID: 37880167 PMCID: PMC10603411 DOI: 10.1136/bmjopen-2022-070689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 08/31/2023] [Indexed: 10/27/2023] Open
Abstract
INTRODUCTION Undernutrition leading to unplanned weight loss is common in older age and has been linked to increased dementia risk in later life. Weight loss can precede dementia by a decade or more, providing a unique opportunity for early intervention to correct undernutrition and potentially prevent or delay cognitive impairment. The combined effects of diet and exercise on undernutrition have not yet been evaluated. The objective of this trial is to determine the effect of a protein-enriched Mediterranean diet, with and without exercise, on nutritional status and cognitive performance in older adults at risk of undernutrition and cognitive decline. METHODS One hundred and five participants aged 60 years and over at risk of undernutrition and with subjective cognitive decline will be recruited to participate in a 6-month, single-blind, parallel-group randomised controlled trial. Participants will be block randomised into one of three groups: group 1-PROMED-EX (diet+exercise), group 2-PROMED (diet only) and group 3-standard care (control). The primary outcome is nutritional status measured using the Mini Nutritional Assessment. Secondary outcomes include cognitive function, nutritional intake, body composition, physical function and quality of life. Mechanistic pathways for potential diet and exercise-induced change in nutritional status and cognition will be explored by measuring inflammatory, metabolic, nutritional and metabolomic biomarkers. ETHICS AND DISSEMINATION The study is approved by the UK Office for Research Ethics Committee (ref: 21/NW/0215). Written informed consent will be obtained from participants prior to recruitment. Research results will be disseminated to the public via meetings and media and the scientific community through conference presentations and publication in academic journals. TRIAL REGISTRATION NUMBER ClinicalTrials.gov Registry (NCT05166564).
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Affiliation(s)
- Nicola Ann Ward
- Centre for Public Health, Queen's University Belfast, Belfast, UK
| | | | - Lorraine Brennan
- School of Agriculture and Food Science, Institute of Food and Health and Conway Institute, University College Dublin, Dublin, Ireland
| | | | - Cpgm de Groot
- Division of Human Nutrition, Wageningen University, Wageningen, The Netherlands
| | - Stefania Maggi
- Neuroscience Institute, Aging Branch, National Research Council, Padua, Italy
| | - Noel McCaffrey
- ExWell Medical, Irish Wheelchair Association, Dublin, Ireland
| | | | | | - Marianna Noale
- Neuroscience Institute, Aging Branch, National Research Council, Padua, Italy
| | - Roisin F O'Neill
- Centre for Public Health, Queen's University Belfast, Belfast, UK
| | - Federica Prinelli
- Institute for Biomedical Technologies, Epidemiology Unit, National Research Council, Segrate, Italy
| | - Giuseppe Sergi
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Caterina Trevisan
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Dorothee Volkert
- Institute for Biomedicine of Aging, Friedrich-Alexander-Universitat Erlangen-Nurnberg, Nuremberg, Germany
| | - Jayne V Woodside
- Centre for Public Health, Queen's University Belfast, Belfast, UK
| | - Claire T McEvoy
- Centre for Public Health, Queen's University Belfast, Belfast, UK
- Global Brain Health Institute, Trinity College Dublin, Ireland & University of California, San Francisco, California, USA
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14
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Campbell T, Cullen B. Estimating the effect of physical activity on cognitive function within the UK Biobank cohort. Int J Epidemiol 2023; 52:1592-1611. [PMID: 36749099 PMCID: PMC10555922 DOI: 10.1093/ije/dyad009] [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: 05/27/2022] [Accepted: 01/25/2023] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Physical activity (PA) has been associated with benefits for cognitive function (CF), but previous estimates of the strength of this relationship may have been biased due to limitations in statistical modelling practices that are common among observational studies. We aimed to address this by using a rigorously constructed conceptual causal model to guide an empirical analysis estimating the effect of PA on CF in the UK Biobank cohort of middle-aged and older adults. METHODS This study analysed a subsample of 334 227 adults from the UK Biobank prospective cohort study. PA was measured subjectively by self-report and by device using accelerometry, and CF was measured using objective cognitive tests. Composite CF measures were derived to represent general and domain-specific performance. Effect coefficients were estimated using regression models, adjusting for a wide range of confounders specified by the assumed causal model, including genetic risk factors, and relevant health, sociodemographic and behavioural variables from across the lifespan. RESULTS Results indicated very small effect sizes (standardized mean difference estimates all <0.01) of inconsistent direction, for both cross-sectional and longitudinal analyses. CONCLUSIONS The expected protective effect of PA on CF was not observed. This may reflect selection bias within UK Biobank, or the relatively young age of the sample at follow-up.
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Affiliation(s)
- Thomas Campbell
- School of Health and Wellbeing, University of Glasgow, Glasgow, UK
- NHS Lanarkshire Neuropsychology Service, Monklands Hospital, Airdrie, UK
| | - Breda Cullen
- School of Health and Wellbeing, University of Glasgow, Glasgow, UK
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15
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Troisi Lopez E, Liparoti M, Passarello N, Lucidi F, Mandolesi L. Multimodal Physical Exercise Affects Visuo-Spatial Working Memory: Preliminary Evidence from a Descriptive Study on Tai-Chi Practitioners and Runners. Brain Sci 2023; 13:1400. [PMID: 37891768 PMCID: PMC10605525 DOI: 10.3390/brainsci13101400] [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: 07/29/2023] [Revised: 09/27/2023] [Accepted: 09/29/2023] [Indexed: 10/29/2023] Open
Abstract
Recent evidence has shown a relationship between physical exercise (PE) and cognitive functioning. However, it is unknown if unimodal and multimodal modalities of PE affect cognitive abilities in different ways. To fill this gap, we analyzed the effects of unimodal PE (running) and multimodal PE (Tai Chi) on specific cognitive abilities. A sample of 33 participants (mean age = 52.6 ± 7.2) divided into eleven runners, eleven Tai Chi practitioners, and eleven age-matched sedentary individuals were subjected to a neuropsychological tests battery to assess shifting and problem solving abilities (Rule Shift Cards, BADS-RS, and Key Search tasks), verbal fluency (semantic and phonemic verbal fluency tasks), verbal memory (Rey's 15 words test), visuo-spatial working memory (Corsi test), and global cognitive functioning (clock-drawing test). The results showed significantly higher BADS-RS scores in runners and Tai Chi practitioners in comparison to the sedentary participants, thus evidencing improved shifting abilities for active individuals. Interestingly, post hoc analysis showed significantly higher span scores of Corsi test only in Tai Chi practitioners as compared to sedentary participants, suggesting how multimodal PE facilitates the visuo-spatial working memory processes. Although preliminary, our descriptive study indicates that the type of PE could modulate specific cognitive domains, even if the practice of motor activity favors a global cognitive improvement.
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Affiliation(s)
- Emahnuel Troisi Lopez
- Institute of Applied Sciences and Intelligent Systems, National Research Council, 80078 Pozzuoli, Italy;
| | - Marianna Liparoti
- Department of Social and Developmental Psychology, Faculty of Medicine and Psychology, University of Roma “Sapienza”, 00185 Rome, Italy; (M.L.); (F.L.)
| | - Noemi Passarello
- Department of Humanities, University of Naples Federico II, 80138 Naples, Italy;
| | - Fabio Lucidi
- Department of Social and Developmental Psychology, Faculty of Medicine and Psychology, University of Roma “Sapienza”, 00185 Rome, Italy; (M.L.); (F.L.)
| | - Laura Mandolesi
- Department of Humanities, University of Naples Federico II, 80138 Naples, Italy;
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16
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Bone JK, Fancourt D, Sonke JK, Bu F. Participatory and Receptive Arts Engagement in Older Adults: Associations with Cognition Over a Seven-Year Period. CREATIVITY RESEARCH JOURNAL 2023; 36:436-450. [PMID: 39140023 PMCID: PMC11318508 DOI: 10.1080/10400419.2023.2247241] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Indexed: 08/15/2024]
Abstract
There is growing evidence for the impact of arts engagement on later life cognition. However, confounding by socioeconomic factors may have led to an overestimation of this association. We analyzed data from 4,344 older adults in the Wisconsin Longitudinal Study. We measured participatory (e.g. painting, making music, crafts) and receptive (e.g. concert, play, museum) arts engagement separately. Participants completed six neurocognitive tests measuring two distinct domains of cognitive function (episodic/working memory and executive function/language) concurrently and seven years later. We used inverse probability of treatment weighting (IPTW) to remove confounding by a range of demographic and socioeconomic factors. Engaging in participatory or receptive arts for up to one hour per week (but not more frequently) was associated with better subsequent executive function/language. Similarly, engaging in receptive arts activities for up to three hours per week (but not more frequently) was associated with better subsequent episodic/working memory. These effects were of similar sizes to doing vigorous physical activity for up to one hour per week. However, our findings also highlight key methodological issues when exploring the relationship between arts engagement and cognition that should be considered in future studies, including measurement bias, life-course stage, length of follow-up, variation in outcomes, attrition, and missing data.
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17
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Wang D, Shi ZH. Do psychological distress and digital sports influence the willingness to take the vaccine and precautionary saving? Empirical evidence from Shanghai. ZEITSCHRIFT FUR GESUNDHEITSWISSENSCHAFTEN = JOURNAL OF PUBLIC HEALTH 2023:1-13. [PMID: 37361311 PMCID: PMC10119833 DOI: 10.1007/s10389-023-01915-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 04/05/2023] [Indexed: 06/28/2023]
Abstract
Aim The COVID-19 epidemic has caused risk and uncertainty. This study answers whether and how psychological distress and digital sports influence willingness to take the vaccine and precautionary savings. Subject and methods We conducted a cross-sectional study with an online survey sample of 1016 Shanghai residents who live and work there and are aged between 16-60. All of them experienced the COVID-19 lockdown in Shanghai. We used logistic regressions to examine the relationships between the variables of interest. Results Three findings were demonstrated. First, psychologically distressed individuals are less inclined to take the vaccine. Second, those engaged in fitness activities via digital media platforms are more willing to get vaccinated. Third, psychologically distressed individuals and digital video-based physical exercisers are more likely to precautionary save. Conclusions This study contributes to the literature by documenting how people changed their life from the perspective of finance and health during the lockdown and providing practical implications.
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Affiliation(s)
- Di Wang
- School of Management, Shanwei Institute of Technology, Shanwei, Guangdong China
| | - Zhong-hua Shi
- School of Education, Shanwei Institute of Technology, Shanwei, Guangdong China
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18
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Bhattacharya P, Chatterjee S, Roy D. Impact of exercise on brain neurochemicals: a comprehensive review. SPORT SCIENCES FOR HEALTH 2023. [DOI: 10.1007/s11332-022-01030-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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19
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Everly J, Plummer J, Lohman M, Neils-Strunjas J. A Tutorial for Speech-Language Pathologists: Physical Activity and Social Engagement to Prevent or Slow Cognitive Decline in Older Adults. AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2023; 32:83-95. [PMID: 36450149 DOI: 10.1044/2022_ajslp-22-00035] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
PURPOSE This tutorial provides an overview of two behavioral approaches, physical activity and social engagement, to prevent or slow cognitive decline in older adults and to increase awareness in the field of speech-language pathology of the important role that speech-language pathologists (SLPs) play in an interprofessional team working with this population. METHOD A review of exercise science, neuroscience, and social science literature was used to synthesize evidence and to outline the impact of physical activity and social engagement on cognition. The following topics were explored: How do exercise and social engagement support cognition? What are modifiable risk factors of dementia? What is the impact of inactivity and isolation on cognition? What is the potential role of the SLP on an interprofessional team focusing on preventive measures for cognitive decline? What is the impact of physical exercise and social engagement on nursing home residents? RESULTS Research increasingly points to the critical importance of physical activity and social engagement to prevent cognitive decline in normal aging and to slow cognitive decline associated with mild cognitive impairment and dementia. Research suggests that physical activity maintains or improves memory, attention, executive function, visuospatial function, speed of processing, and general cognitive function. Social engagement has been found to maintain and improve general cognitive function. CONCLUSIONS Behavioral interventions are an effective strategy to prevent or slow cognitive decline in the older adult population. SLPs have a role to play on an interprofessional team that works to prevent cognitive decline. By considering factors that play a role in the prevention of cognitive decline, such as physical activity and social engagement, the quality of life and overall health of older adults can be improved. Areas of improvement include memory, attention, executive function, visuospatial function, speed of processing, and general cognitive function.
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Affiliation(s)
- Janet Everly
- Department of Communication Sciences and Disorders, Arnold School of Public Health, University of South Carolina, Columbia
| | - Jamie Plummer
- Department of Communication Sciences and Disorders, Arnold School of Public Health, University of South Carolina, Columbia
| | - Matthew Lohman
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia
| | - Jean Neils-Strunjas
- Department of Communication Sciences and Disorders, Arnold School of Public Health, University of South Carolina, Columbia
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20
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Galle SA, Deijen JB, Milders MV, De Greef MHG, Scherder EJA, van Duijn CM, Drent ML. The effects of a moderate physical activity intervention on physical fitness and cognition in healthy elderly with low levels of physical activity: a randomized controlled trial. Alzheimers Res Ther 2023; 15:12. [PMID: 36631905 PMCID: PMC9832427 DOI: 10.1186/s13195-022-01123-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 06/22/2022] [Indexed: 01/13/2023]
Abstract
BACKGROUND Increasing physical activity is one of the most promising and challenging interventions to delay or prevent cognitive decline and dementia. METHODS We conducted a randomized controlled trial to assess the effects of a physical activity intervention, aimed at increasing step count, in elderly with low levels of physical activity on measures of strength, balance, aerobic capacity, and cognition. Participants were assigned to 9 months of exercise counseling or active control. RESULTS The intention-to-treat analyses show that the intervention, compared to control, increases the level of physical activity, but has no significant effect on physical fitness and cognition. Those who increased their physical activity with 35% or more show significant improvements in aerobic capacity, gait speed, verbal memory, executive functioning, and global cognition, compared to those who did not achieve a 35% increase. LIMITATIONS The number of participants that achieved the intended improvement was lower than expected. CONCLUSION Responder analyses suggest an improvement of physical fitness and cognition in those who achieved an increase in physical activity of at least 35%. TRIAL REGISTRATION The trial protocol is registered at the Dutch Trial Register NL5675, August 1, 2016.
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Affiliation(s)
- Sara A. Galle
- grid.12380.380000 0004 1754 9227Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Van Der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands ,grid.5645.2000000040459992XDepartment of Epidemiology, Erasmus Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Jan Berend Deijen
- grid.12380.380000 0004 1754 9227Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Van Der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands ,Hersencentrum Mental Health Institute, Marnixstraat 364, 1016 XW Amsterdam, The Netherlands
| | - Maarten V. Milders
- grid.12380.380000 0004 1754 9227Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Van Der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
| | - Mathieu H. G. De Greef
- grid.4494.d0000 0000 9558 4598Human Movement Sciences, University of Groningen, University Medical Center Groningen, PO Box 196, 9700 AD Groningen, The Netherlands
| | - Erik J. A. Scherder
- grid.12380.380000 0004 1754 9227Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Van Der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
| | - Cornelia M. van Duijn
- grid.5645.2000000040459992XDepartment of Epidemiology, Erasmus Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands ,grid.4991.50000 0004 1936 8948Nuffield Department of Population Health, University of Oxford, Old Road Campus, Headington, Oxford, OX3 7LF UK ,Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Old Road Campus, Headington, Oxford, OX3 7LF UK
| | - Madeleine L. Drent
- grid.12380.380000 0004 1754 9227Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Van Der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands ,grid.509540.d0000 0004 6880 3010Department of Internal Medicine, Endocrinology Section, Amsterdam University Medical Center, PO Box 7057, 1007 MB Amsterdam, The Netherlands
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21
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Arida RM. Physical Exercise as a Strategy to Reduce Seizure Susceptibility. PHARMACORESISTANCE IN EPILEPSY 2023:453-477. [DOI: 10.1007/978-3-031-36526-3_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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22
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Lissek T. Activity-Dependent Induction of Younger Biological Phenotypes. Adv Biol (Weinh) 2022; 6:e2200119. [PMID: 35976161 DOI: 10.1002/adbi.202200119] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 07/11/2022] [Indexed: 01/28/2023]
Abstract
In several mammalian species, including humans, complex stimulation patterns such as cognitive and physical exercise lead to improvements in organ function, organism health and performance, as well as possibly longer lifespans. A framework is introduced here in which activity-dependent transcriptional programs, induced by these environmental stimuli, move somatic cells such as neurons and muscle cells toward a state that resembles younger cells to allow remodeling and adaptation of the organism. This cellular adaptation program targets several process classes that are heavily implicated in aging, such as mitochondrial metabolism, cell-cell communication, and epigenetic information processing, and leads to functional improvements in these areas. The activity-dependent gene program (ADGP) can be seen as a natural, endogenous cellular reprogramming mechanism that provides deep insight into the principles of inducible improvements in cell and organism function and can guide the development of therapeutic approaches for longevity. Here, these ADGPs are analyzed, exemplary critical molecular nexus points such as cAMP response element-binding protein, myocyte enhancer factor 2, serum response factor, and c-Fos are identified, and it is explored how one may leverage them to prevent, attenuate, and reverse human aging-related decline of body function.
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Affiliation(s)
- Thomas Lissek
- Interdisciplinary Center for Neurosciences, Heidelberg University, Im Neuenheimer Feld 366, 69120, Heidelberg, Germany
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23
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Pratchayasakul W, Arunsak B, Suparan K, Sriwichaiin S, Chunchai T, Chattipakorn N, Chattipakorn SC. Combined caloric restriction and exercise provides greater metabolic and neurocognitive benefits than either as a monotherapy in obesity with or without estrogen deprivation. J Nutr Biochem 2022; 110:109125. [PMID: 35977664 DOI: 10.1016/j.jnutbio.2022.109125] [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: 08/07/2021] [Revised: 06/27/2022] [Accepted: 06/29/2022] [Indexed: 01/13/2023]
Abstract
Neurodegeneration, as indicated by brain dysfunction and cognitive decline, is one of the complications associated with obesity and estrogen deprivation. Calorie restriction and exercise regimes improved brain function in neurodegenerative diseases. However, the comparative effects of a combination of calorie restriction with exercise, calorie restriction, and an exercise regime alone on brain/cognitive function in obesity with or without estrogen deprivation have not been investigated. Sixty female rats were fed a normal diet (ND) or a high-fat diet (HFD) for 27 weeks. At week 13, the ND-fed rats underwent a sham operation with sedentary lifestyle, HFD-fed rats were divided into two groups: each having either a sham operation (HFS) or ovariectomy (HFO). At week 20, HFD-fed rats in each group were divided into four subgroups undergoing either a sedentary lifestyle, calorie restriction, exercise regime or a combination of calorie restriction and exercise for 7 weeks. Insulin resistance, cognitive decline and hippocampal pathologies were found in both HFS and HFO rats. HFO rats had higher levels of insulin resistance and hippocampal reactive oxygen species levels than HFS rats. Calorie restriction decreased metabolic disturbance and hippocampal oxidative stress but failed to attenuate cognitive decline in HFS and HFO rats. Exercise attenuated metabolic/hippocampal dysfunctions, resulting in improved cognition only in HFS rats. Combined therapies restored brain function, and cognitive function in HFS and HFO rats. Therefore, a combination of calorie restriction with exercise is probably the greatest lifestyle modification to diminish the brain pathologies and cognitive decline in obesity with or without estrogen deprivation.
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Affiliation(s)
- Wasana Pratchayasakul
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Busarin Arunsak
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Kanokphong Suparan
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Sirawit Sriwichaiin
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Titikorn Chunchai
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Nipon Chattipakorn
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Siriporn C Chattipakorn
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand; Department of Oral Biology and Diagnostic Science, Faculty of Dentistry, Chiang Mai University, Diagnostic Sciences, Chiang Mai, Thailand.
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Passarello N, Varini L, Liparoti M, Troisi Lopez E, Sorrentino P, Alivernini F, Gigliotta O, Lucidi F, Mandolesi L. Boosting effect of regular sport practice in young adults: Preliminary results on cognitive and emotional abilities. Front Psychol 2022; 13:957281. [PMID: 36248595 PMCID: PMC9555280 DOI: 10.3389/fpsyg.2022.957281] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Several studies have shown that physical exercise (PE) improves behavior and cognitive functioning, reducing the risk of various neurological diseases, protecting the brain from the detrimental effects of aging, facilitating body recovery after injuries, and enhancing self-efficacy and self-esteem. Emotion processing and regulation abilities are also widely acknowledged to be key to success in sports. In this study, we aim to prove that regular participation in sports enhances cognitive and emotional functioning in healthy individuals. A sample of 60 students (mean age = 22.12; SD = 2.40; M = 30), divided into sportive and sedentary, were subjected to a neuropsychological tests battery to assess their overall cognitive abilities (Raven's Advanced Progressive Matrices, APM), verbal and graphic fluency (Word Fluency Task and modified Five Point Test, m-FPT), as well as their emotional awareness skills (Toronto Alexithymia Scale, TAS-20). Our results showed that sportive students performed better than sedentary ones in all cognitive tasks. Regarding emotional processing abilities, significant differences were found in the TAS-20 total score as well as in the Difficulty Describing Feelings (DDF) subscale and the Difficulty Identifying Feeling (DIF) subscale. Lastly, gender differences were found in the External-Oriented Thinking (EOT) subscale. Overall, our findings evidence that PE has positive effects on cognitive functioning and emotion regulation, suggesting how sports practice can promote mental health and wellbeing.
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Affiliation(s)
- Noemi Passarello
- Department of Humanities, “Federico II” University of Naples, Naples, Italy
| | - Ludovica Varini
- Department of Humanities, “Federico II” University of Naples, Naples, Italy
| | - Marianna Liparoti
- Department of Social and Developmental Psychology, “Sapienza” University of Rome, Rome, Italy
| | - Emahnuel Troisi Lopez
- Department of Motor Sciences and Wellness, University of Naples “Parthenope”, Naples, Italy
| | - Pierpaolo Sorrentino
- Institut de Neuroscience des Systemès, Aix-Marseille University, Marseille, France
| | - Fabio Alivernini
- Department of Social and Developmental Psychology, “Sapienza” University of Rome, Rome, Italy
| | - Onofrio Gigliotta
- Department of Humanities, “Federico II” University of Naples, Naples, Italy
| | - Fabio Lucidi
- Department of Social and Developmental Psychology, “Sapienza” University of Rome, Rome, Italy
| | - Laura Mandolesi
- Department of Humanities, “Federico II” University of Naples, Naples, Italy
- *Correspondence: Laura Mandolesi
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25
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Partial Least Squares Analysis of Alzheimer's Disease Biomarkers, Modifiable Health Variables, and Cognition in Older Adults with Mild Cognitive Impairment. J Int Neuropsychol Soc 2022; 28:781-789. [PMID: 34664547 PMCID: PMC9094430 DOI: 10.1017/s1355617721001041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVES To identify novel associations between modifiable physical and health variables, Alzheimer's disease (AD) biomarkers, and cognitive function in a cohort of older adults with Mild Cognitive Impairment (MCI). METHODS Metrics of cardiometabolic risk, stress, inflammation, neurotrophic/growth factors, AD, and cognition were assessed in 154 MCI participants (Mean age = 74.1 years) from the Alzheimer's Disease Neuroimaging Initiative. Partial Least Squares analysis was employed to examine associations among these physiological variables and cognition. RESULTS Latent variable 1 revealed a unique combination of AD biomarkers, neurotrophic/growth factors, education, and stress that were significantly associated with specific domains of cognitive function, including episodic memory, executive function, processing speed, and language, representing 45.2% of the cross-block covariance in the data. Age, body mass index, and metrics tapping basic attention or premorbid IQ were not significant. CONCLUSIONS Our data-driven analysis highlights the significant relationships between metrics associated with AD pathology, neuroprotection, and neuroplasticity, primarily with tasks tapping episodic memory, executive function, processing speed, and verbal fluency rather than more basic tasks that do not require mental manipulation (basic attention and vocabulary). These data also indicate that biological metrics are more strongly associated with episodic memory, executive function, and processing speed than chronological age in older adults with MCI.
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Lifestyle factors in multiple sclerosis disability progression and silent brain damage: A cross-sectional study. Mult Scler Relat Disord 2022; 65:104016. [DOI: 10.1016/j.msard.2022.104016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/02/2022] [Accepted: 07/01/2022] [Indexed: 11/17/2022]
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Gomez-Pinilla F, Mercado NM. How to boost the effects of exercise to favor traumatic brain injury outcome. SPORTS MEDICINE AND HEALTH SCIENCE 2022; 4:147-151. [PMID: 36090919 PMCID: PMC9453688 DOI: 10.1016/j.smhs.2022.06.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/03/2022] [Accepted: 06/10/2022] [Indexed: 10/25/2022] Open
Abstract
Physical rehabilitation is an effective therapy to normalize weaknesses encountered with neurological disorders such as traumatic brain injury (TBI). However, the efficacy of exercise is limited during the acute period of TBI because of metabolic dysfunction, and this may further compromise neuronal function. Here we discuss the possibility to normalize brain metabolism during the early post-injury convalescence period to support functional plasticity and prevent long-term functional deficits. Although BDNF possesses the unique ability to support molecular events involved with the transmission of information across nerve cells through activation of its TrkB receptor, the poor pharmacokinetic profile of BDNF has limited its therapeutic applicability. The flavonoid derivative, 7,8-dihydroxyflavone (7,8-DHF), signals through the same TrkB receptors and results in the activation of BDNF signaling pathways. We discuss how the pharmacokinetic limitations of BDNF may be avoided by the use of 7,8-DHF, which makes it a promising pharmacological agent for supporting activity-based rehabilitation during the acute post-injury period after TBI. In turn, docosahexaenoic acid (C22:6n-3; DHA) is abundant in the phospholipid composition of plasma membranes in the brain and its action is important for brain development and plasticity. DHA is a major modulator of synaptic membrane fluidity and function, which is fundamental for supporting cell signaling and synaptic plasticity. Exercise influences DHA function by normalizing DHA content in the brain, such that the collaborative action of exercise and DHA can be instrumental to boost BDNF function with strong therapeutic potential for reducing the deleterious effects of TBI on synaptic plasticity and cognition.
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Affiliation(s)
- Fernando Gomez-Pinilla
- Department of Integrative Biology & Physiology, University of California at Los Angeles (UCLA), Los Angeles, CA, 90095, USA
- Department of Neurosurgery, UCLA Brain Injury Research Center, University of California at Los Angeles, Los Angeles, CA, 90095, USA
| | - Natosha M. Mercado
- Department of Integrative Biology & Physiology, University of California at Los Angeles (UCLA), Los Angeles, CA, 90095, USA
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Spatial Olfactory Memory and Spatial Olfactory Navigation, Assessed with a Variant of Corsi Test, Is Modulated by Gender and Sporty Activity. Brain Sci 2022; 12:brainsci12081108. [PMID: 36009170 PMCID: PMC9406228 DOI: 10.3390/brainsci12081108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 08/13/2022] [Accepted: 08/17/2022] [Indexed: 11/27/2022] Open
Abstract
Many studies have focused on navigation, spatial skills, and the olfactory system in comparative models, including those concerning the relationship between them and physical activity. Although the results are often in contrast with each other, it is assumed that physical activity can affect cognition in different ways—both indirectly and through a certain influence on some brain structures. In contrast, there is little research that focuses on the relationship between spatial abilities and olfactory abilities in humans. This research aimed to evaluate and compare the performance in working memory tasks of athletes and non-athletes who require good visual–spatial navigation, olfactory–spatial navigation, and olfactory–semantic skills. The study involved 236 participants (83 athletes) between the ages of 18 and 40. All subjects were matched by age or sex. The standard Corsi Block Tapping Test (CBTT) was administrated to investigate the visual-spatial memory. Olfactory–spatial navigation and olfactory–semantic skills were assessed with two modified versions of CBTT: Olfactory CBTT (OCBTT) and Semantic–Olfactory CBTT (SOCBTT) respectively. The results show differences between the CORSI conditions in direction of a poor performance for athletes. A gender effect in favor of men was also found, particularly in the classic version of the CBTT. Both groups performed better in the classic version of the CBTT than OCBTT and SOCBTT. The mean of SOCBTT results is markedly lower, perhaps due to the different information processing systems needed to perform this kind of task. It is possible to explain how sports practice can affect tasks that require spatial skills and olfactory perception differently, thus supporting new hypotheses and opening new scientific horizons.
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Koblinsky ND, Power KA, Middleton L, Ferland G, Anderson ND. The Role of the Gut Microbiome in Diet and Exercise Effects on Cognition: A Review of the Intervention Literature. J Gerontol A Biol Sci Med Sci 2022; 78:195-205. [PMID: 35977540 PMCID: PMC9951060 DOI: 10.1093/gerona/glac166] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Indexed: 11/13/2022] Open
Abstract
Interest in the gut-brain axis and its implications for neurodegenerative diseases, such as Alzheimer's disease and related dementias, is growing. Microbial imbalances in the gastrointestinal tract, which are associated with impaired cognition, may represent a therapeutic target for lowering dementia risk. Multicomponent lifestyle interventions are a promising dementia risk reduction strategy and most often include diet and exercise, behaviors that are also known to modulate the gut microbiome. A better understanding of the role of the gut microbiome in diet and exercise effects on cognition may help to optimize these lifestyle interventions. The purpose of this review is to summarize findings from diet and exercise interventions that have investigated cognitive changes via effects on the microbiome. We aim to discuss the underlying mechanisms, highlight current gaps in the field, and provide new research directions. There is evidence mainly from rodent studies supporting the notion that microbiota changes mediate the effects of diet and exercise on cognition, with potential mechanisms including end-product metabolites and regulation of local and systemic inflammation. The field lacks whole diet and exercise interventions, especially those involving human participants. It is further limited by heterogeneous rodent models, outcome assessments, and the absence of proper mediation analyses. Trials including older adults with dementia risk factors, factorial designs of diet and exercise, and pre and post measures of microbiota, end-product metabolites, and inflammation would help to elucidate and potentially leverage the role of the microbiome in lowering dementia risk through lifestyle modification.
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Affiliation(s)
- Noah D Koblinsky
- Rotman Research Institute, Baycrest Health Sciences, Toronto, Ontario, Canada
| | - Krista A Power
- School of Nutrition Sciences, University of Ottawa, Ottawa, Ontario, Canada
| | - Laura Middleton
- Department of Kinesiology and Health Sciences, University of Waterloo, Waterloo, Ontario, Canada
| | - Guylaine Ferland
- Montreal Heart Institute Research Centre, Montreal, Quebec, Canada,Departments of Psychology and Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - Nicole D Anderson
- Address correspondence to: Nicole D. Anderson, PhD, CPsych, Rotman Research Institute, Baycrest Health Sciences, 3560 Bathurst St., M6A 2E1 Toronto, ON, Canada. E-mail:
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Xu Y, Zhang W, Zhang K, Feng M, Duan T, Chen Y, Wei X, Luo Y, Ni G. Basketball training frequency is associated with executive functions in boys aged 6 to 8 years. Front Hum Neurosci 2022; 16:917385. [PMID: 35937678 PMCID: PMC9353049 DOI: 10.3389/fnhum.2022.917385] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 06/29/2022] [Indexed: 11/16/2022] Open
Abstract
This study investigates the relationship between the frequency of basketball training and executive functions (inhibitory control, working memory, and cognitive flexibility) in boys aged 6 to 8. A total of 40 boys recruited from a local after-school basketball training club were divided into a low-frequency group (once a week) and a high-frequency group (at least twice a week). An additional 20 age-matched boys recruited from a local elementary school were considered as the control group (no training experience). All subjects conducted the Stop-signal task, the N-back task, and the switching task at rest. The mean reaction time and accuracy data obtained from each task were used in statistical analysis. There was no significant group difference in either the accuracy or reaction time of inhibitory control. Meanwhile, no significant difference was found in the reaction time of working memory across groups. However, the high-frequency group exhibited significantly higher accuracy (93.00 ± 4.31%) with regard to working memory than the low-frequency group (85.4 ± 6.04%, P < 0.001) and the control group (83.73 ± 7.70%, P < 0.001), respectively. A positive correlation was also found between the accuracy of working memory and groups. Furthermore, in comparison with the control group, the high-frequency group exhibited significantly higher cognitive flexibility accuracy (91.93 ± 7.40% vs. 85.70 ± 9.75%, P = 0.004) and shorter reaction time (934.24 ± 213.02 ms vs. 1,122.06 ± 299.14 ms, P < 0.001). There was also a positive correlation between the accuracy of cognitive flexibility and groups. These findings suggest that regular basketball training, especially with higher frequency, is beneficial to working memory and cognitive flexibilityin boys aged 6 to 8.
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Affiliation(s)
- Yue Xu
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Wanxia Zhang
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Kexin Zhang
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Min Feng
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Tianqi Duan
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Yilin Chen
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Xuexiang Wei
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Yanlin Luo
- Department of Neurobiology, Capital Medical University, Beijing, China
- *Correspondence: Yanlin Luo Guoxin Ni
| | - Guoxin Ni
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
- *Correspondence: Yanlin Luo Guoxin Ni
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Multitask Versus Multicomponent Training on Cognitive and Motor Functions in Persons With Mild Cognitive Impairment: A Randomized Trial. J Aging Phys Act 2022; 30:1024-1037. [PMID: 35453122 DOI: 10.1123/japa.2021-0408] [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: 10/21/2021] [Revised: 02/11/2022] [Accepted: 03/01/2022] [Indexed: 11/18/2022]
Abstract
This study aims to compare the effects of multitask (MTT; multiple tasks performed simultaneously) and multicomponent training (MCT; various types of exercise performed sequentially) on processing speed, cognitive functions, gait speed, and balance functions in persons with mild cognitive impairment. Forty-two persons with mild cognitive impairment were randomly allocated to MTT (n = 21) or MCT (n = 21). Outcome measures included processing speed, cognitive functions (attention and executive functions), single-task gait speed, dual-task gait speed (DTGS-Arithmetic and DTGS-Verbal), and balance functions. Processing speed (except inhibition), cognitive functions, gait speed, and balance functions improved in the MTT and MCT groups following training, with no significant differences between the groups in processing speed or cognitive functions. The MCT group improved more on single-task gait speed (F = 15.097; p = .000; r = .270) and DTGS (DTGS-Arithmetic; F = 10.594; p = .002; r = .214), while the MTT group improved more on balance functions (F = 4.366; p = .043; r = .101). MTT and MCT strategies can be used to improve cognitive and physical outcomes in persons with mild cognitive impairment.
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Koblinsky ND, Anderson ND, Ajwani F, Parrott MD, Dawson D, Marzolini S, Oh P, MacIntosh B, Middleton L, Ferland G, Greenwood CE. Feasibility and preliminary efficacy of the LEAD trial: a cluster randomized controlled lifestyle intervention to improve hippocampal volume in older adults at-risk for dementia. Pilot Feasibility Stud 2022; 8:37. [PMID: 35139918 PMCID: PMC8826667 DOI: 10.1186/s40814-022-00977-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 01/11/2022] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Healthy diet and exercise are associated with reduced risk of dementia in older adults. The impact of diet and exercise interventions on brain health is less consistent, especially with dietary interventions which rely on varying approaches. Our objective was to evaluate the feasibility and preliminary efficacy of a 6-month intervention combining exercise with a novel dietary counseling approach to improve hippocampal volume among older adults at-risk for dementia. METHODS Participants with vascular risk factors and subjective cognitive decline or early mild cognitive impairment were cluster randomized in groups of 3-4 to the diet intervention (DIET) or control education (ED) group. All participants engaged in 1 h of supervised exercise per week and additional exercise at home. DIET involved 1 h per week of group-based dietary counseling comprising education, goal setting, and strategy training. ED involved 1 h per week of group-based brain health education classes. Our primary outcome was change in hippocampal volume from baseline to 6 months. Secondary outcomes included changes in cognitive function, blood biomarkers, diet, and fitness. Recruitment challenges and early discontinuation of the trial due to COVID-19 necessitated a revised focus on feasibility and preliminary efficacy. RESULTS Of 190 older adults contacted, 14 (7%) were eligible and enrolled, constituting 21% of our recruitment target. All participants completed the intervention and attended 90% of exercise and DIET/ED sessions on average. All 6-month assessments prior to COVID-19 were completed but disruptions to in-person testing resulted in incomplete data collection. No serious adverse events occurred and all participants expressed positive feedback about the study. Preliminary findings did not identify any significant changes in hippocampal volume; however, substantial improvements in diet and HbA1c were observed with DIET compared to ED (d = 1.75 and 1.07, respectively). CONCLUSIONS High adherence and retention rates were observed among participants and preliminary findings illustrate improvements in diet quality and HbA1c. These results indicate that a larger trial is feasible if difficulties surrounding recruitment can be mitigated. TRIAL REGISTRATION ClinicalTrials.gov identifier: NCT03056508 .
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Affiliation(s)
- N D Koblinsky
- Rotman Research Institute, Baycrest Health Sciences, Toronto, Canada
| | - N D Anderson
- Rotman Research Institute, Baycrest Health Sciences, Toronto, Canada.
- Departments of Psychology and Psychiatry, University of Toronto, Toronto, Canada.
| | - F Ajwani
- Rotman Research Institute, Baycrest Health Sciences, Toronto, Canada
- KITE, Toronto Rehabilitation Institute - the University Health Network, Toronto, Canada
| | - M D Parrott
- PERFORM Centre, Concordia University, Montreal, Canada
| | - D Dawson
- Rotman Research Institute, Baycrest Health Sciences, Toronto, Canada
- Department of Occupational Sciences and Occupational Therapy and Rehabilitation Sciences Institute, University of Toronto, Toronto, Canada
| | - S Marzolini
- KITE, Toronto Rehabilitation Institute - the University Health Network, Toronto, Canada
| | - P Oh
- KITE, Toronto Rehabilitation Institute - the University Health Network, Toronto, Canada
| | - B MacIntosh
- Hurvitz Brain Sciences, Sunnybrook Research Institute, University of Toronto, Toronto, Canada
| | | | - G Ferland
- Montreal Heart Institute Research Centre, Montreal, Canada
- Department of Nutrition, Université de Montréal, Montreal, Canada
| | - C E Greenwood
- Rotman Research Institute, Baycrest Health Sciences, Toronto, Canada
- Department of Nutritional Sciences, University of Toronto, Toronto, Canada
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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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Ghaheri S, Panahpour H, Abdollahzadeh M, Saadati H. Adolescent enriched environment exposure alleviates cognitive impairment in sleep-deprived male rats: Role of hippocampal BDNF. Int J Dev Neurosci 2021; 82:133-145. [PMID: 34937120 DOI: 10.1002/jdn.10165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 12/13/2021] [Accepted: 12/18/2021] [Indexed: 11/07/2022] Open
Abstract
Developmental life experience has long-lasting influences on the brain and behavior. The present study aims to examine the long-term effects of the enriched environment (EE), which was imposed during the adolescence period of life, on their passive avoidance and recognition memories as well as anxiety-like behaviors and hippocampal brain-derived neurotrophic factor (BDNF) levels, in sleep-deprived male rats. In the present study, the male pups were separated from their mothers in postnatal day 21 (PND21) and were housed in the standard or EE for 40 days. In PND 61, the rats were allocated in four groups: control, SD (sleep deprivation), EE, and EE+SD groups. Sleep deprivation was induced in rats by a modified multiple platform model for 24 hours. Open field, novel object recognition memory, and passive avoidance memory tests were used to examine behavior and cognitive ability. The expression of hippocampal BDNF levels was determined by PCR. The results revealed that SD increased anxiety-like behaviors and impaired cognitive ability, while adolescent EE housing alleviated these changes. In addition, EE reversed SD-induced changes in hippocampal BDNF level. We also demonstrated that EE not only has beneficial effects on the cognitive functions of normal rats but also declined memory deficits induced by sleep deprivation. In conclusion, our results suggest that housing in EE during the adolescence period of life reduces cognitive impairment induced by SD. The increase of the BDNF level in the hippocampus is a possible mechanism to alleviate cognitive performance in sleep-deprived rats.
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Affiliation(s)
- Safa Ghaheri
- Department of Physiology, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Hamdollah Panahpour
- Department of Physiology, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
- Pharmaceutical Sciences Research Center, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Maryam Abdollahzadeh
- Department of Physiology, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Hakimeh Saadati
- Department of Physiology, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
- Pharmaceutical Sciences Research Center, Ardabil University of Medical Sciences, Ardabil, Iran
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Polverino A, Sorrentino P, Pesoli M, Mandolesi L. Nutrition and cognition across the lifetime: an overview on epigenetic mechanisms. AIMS Neurosci 2021; 8:448-476. [PMID: 34877399 PMCID: PMC8611190 DOI: 10.3934/neuroscience.2021024] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 07/12/2021] [Indexed: 12/28/2022] Open
Abstract
The functioning of our brain depends on both genes and their interactions with environmental factors. The close link between genetics and environmental factors produces structural and functional cerebral changes early on in life. Understanding the weight of environmental factors in modulating neuroplasticity phenomena and cognitive functioning is relevant for potential interventions. Among these, nutrition plays a key role. In fact, the link between gut and brain (the gut-brain axis) is very close and begins in utero, since the Central Nervous System (CNS) and the Enteric Nervous System (ENS) originate from the same germ layer during the embryogenesis. Here, we investigate the epigenetic mechanisms induced by some nutrients on the cognitive functioning, which affect the cellular and molecular processes governing our cognitive functions. Furthermore, epigenetic phenomena can be positively affected by specific healthy nutrients from diet, with the possibility of preventing or modulating cognitive impairments. Specifically, we described the effects of several nutrients on diet-dependent epigenetic processes, in particular DNA methylation and histones post-translational modifications, and their potential role as therapeutic target, to describe how some forms of cognitive decline could be prevented or modulated from the early stages of life.
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Affiliation(s)
- Arianna Polverino
- Institute of Diagnosis and Treatment Hermitage Capodimonte, Naples, Italy.,Department of Motor and Wellness Sciences, University of Naples "Parthenope", Naples, Italy
| | - Pierpaolo Sorrentino
- Institut de Neurosciences des Systèmes, Aix-Marseille University, Marseille, France.,Institute of Applied Sciences and Intelligent Systems, National Research Council, Pozzuoli, Italy
| | - Matteo Pesoli
- Department of Motor and Wellness Sciences, University of Naples "Parthenope", Naples, Italy
| | - Laura Mandolesi
- Department of Humanities Studies, University of Naples Federico II, Naples, Italy
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Zhang T, Wang K, Li N, Hurr C, Luo J. The Relationship between Different Amounts of Physical Exercise, Internal Inhibition, and Drug Craving in Individuals with Substance-Use Disorders. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182312436. [PMID: 34886162 PMCID: PMC8656815 DOI: 10.3390/ijerph182312436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/29/2021] [Accepted: 11/22/2021] [Indexed: 11/16/2022]
Abstract
Purpose: To explore the relationship between different amounts of physical exercise and drug craving in individuals with substance-use disorders (SUD), and to reveal the mediating role of internal inhibition between physical activity and drug craving. Method: This study adopted the Physical Activity Rating Scale, Internal Inhibition Scale, and Drug Craving Scale to assess 438 cases of SUD in a compulsory isolation detoxification center in southwest China. Results: (1) The amount of physical exercise individuals with SUD engaged in was positively correlated with internal inhibition and negatively correlated with drug craving, while the amount of physical exercise was negatively correlated with drug craving. (2) The amount of physical exercise was able to negatively predict drug craving in addicts, the amount of physical exercise and internal inhibition were able to jointly predict drug craving, and internal inhibition played a mediating role between the amount of physical exercise and drug craving (the mediating effect was 0.22). (3) There was a dose-effect relationship regarding different amounts of physical exercises and drug craving. Internal inhibition did not mediate between a low amount of physical exercise and drug craving, it played a partial mediating role between a moderate amount of physical exercise and drug craving (the mediating effect was −0.19), and it played a partial mediating role between a high amount of physical exercise and drug craving (the mediating effect was −0.15). Conclusions: Physical activity has a positive effect on reducing drug craving in individuals with SUD. Moreover, in the process of sports rehabilitation for SUD, medium or high amounts of physical activity were required in order to effectively reduce and alleviate drug cravings.
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Affiliation(s)
- Tingran Zhang
- Research Centre for Activity Detoxification, College of Physical Education, Southwest University, Chongqing 400715, China; (T.Z.); (K.W.)
- Integrative Exercise Physiology Laboratory, Department of Physical Education, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si 54896, Jeollabuk-do, Korea;
| | - Kun Wang
- Research Centre for Activity Detoxification, College of Physical Education, Southwest University, Chongqing 400715, China; (T.Z.); (K.W.)
| | - Ning Li
- Integrative Exercise Physiology Laboratory, Department of Physical Education, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si 54896, Jeollabuk-do, Korea;
| | - Chansol Hurr
- Integrative Exercise Physiology Laboratory, Department of Physical Education, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si 54896, Jeollabuk-do, Korea;
- Correspondence: (C.H.); (J.L.)
| | - Jiong Luo
- Research Centre for Activity Detoxification, College of Physical Education, Southwest University, Chongqing 400715, China; (T.Z.); (K.W.)
- Correspondence: (C.H.); (J.L.)
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Exergame training-induced neuroplasticity and cognitive improvement in institutionalized older adults: A preliminary investigation. Physiol Behav 2021; 241:113589. [PMID: 34509470 DOI: 10.1016/j.physbeh.2021.113589] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 08/05/2021] [Accepted: 09/07/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND Prior research has reported cognitive improvements in elderly individuals when mental and physical exercise are practiced simultaneously, as in exergaming. However, the molecular mechanisms driving this beneficial response remain unclear. Moreover, there is robust evidence that regular exercise increases neurotrophic factors and promotes neuroplasticity, contributing to cognitive improvement. This research aimed to assess the impact of a 6-week Xbox 360 Kinect exergame protocol on cognitive function and brain-derived neurotrophic factor (BDNF) levels in institutionalized older individuals. METHODS Participants living in a long-term care facility were included. The intervention (Xbox 360 Kinect exergame protocol) was conducted individually and consisted of two sessions per week (40 min each) over 6 weeks. Participants' cognitive function (Montreal Cognitive Assessment, MoCA) was evaluated before and after the intervention. Blood samples (15 ml) were collected at the same time to measure BDNF levels. RESULTS Although there were no changes in total MoCA scores, exergame training improved the "language" domain and demonstrated a tendency toward an improvement in the "abstraction" and "memory/delayed recall" domains. Furthermore, BDNF levels were significantly increased after the intervention. CONCLUSION BDNF enhancement might mediate, at least in part, the cognitive changes induced by a 6-week Xbox 360 Kinect exergame protocol in institutionalized older adults.
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Lubans DR, Leahy AA, Mavilidi MF, Valkenborghs SR. Physical Activity, Fitness, and Executive Functions in Youth: Effects, Moderators, and Mechanisms. Curr Top Behav Neurosci 2021; 53:103-130. [PMID: 34697789 DOI: 10.1007/7854_2021_271] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Over the last decade, a growing body of research has examined the link between physical activity, fitness, and cognitive function in children and adolescents. Physical activity experimental research conducted with children and adolescents has identified selectively greater effects for tasks requiring higher order executive functions. As such, the primary aim of our chapter is to provide an overview of findings from systematic reviews and meta-analyses that have examined the effects of physical activity on measures of executive function in child and adolescent populations. We begin our chapter with definitions of key concepts associated with physical activity, fitness and cognitive function. We then provide a synthesis of systematic reviews and meta-analyses that have examined the acute and chronic effect of physical activity on EFs. Following this, we discuss the quantitative (e.g., time, intensity) and qualitative (e.g., type) characteristics of physical activity that may moderate effects. The next section focuses on the neurobiological, psychosocial and behavioral mechanisms responsible for the effect of physical activity on executive functions. We conclude by highlighting the limitations of the existing evidence base and providing recommendations for future research.
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Affiliation(s)
| | - Angus A Leahy
- The University of Newcastle, Callaghan, NSW, Australia
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Liu T, Hettish L, Lo WJ, Gray M, Li C. FEASibility testing a randomized controlled trial of an exercise program to improve cognition for T2DM patients (the FEAST trial): A study protocol. Res Nurs Health 2021; 44:746-757. [PMID: 34402090 PMCID: PMC8440487 DOI: 10.1002/nur.22174] [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: 03/02/2021] [Revised: 07/24/2021] [Accepted: 07/28/2021] [Indexed: 11/06/2022]
Abstract
While cognitive dysfunction is an important concern in persons with type 2 diabetes mellitus (T2DM), it has received little attention in the T2DM literature. Although it often remains unrecognized, cognitive dysfunction associated with T2DM can lead to severe consequences. Prior research studies have consistently shown that aerobic exercise enhances cognitive function among healthy subjects. However, very few studies have examined the effects of aerobic exercise on cognitive function in persons with T2DM. In addition, one important single-nucleotide polymorphism that influences cognition in humans is the brain-derived neurotrophic factor (BDNF) Val66Met variant. Despite strong evidence suggesting aerobic exercise has a beneficial effect on cognitive function, there is significant variability in individual response to exercise programs on cognitive outcomes among Val/Val versus Met carriers. However, the evidence on how the BDNF Val66Met variant influences cognitive outcomes following an aerobic exercise intervention among individuals with T2DM is currently lacking. Therefore, the purpose of this randomized controlled trial is to pilot-test a 3-month supervised exercise program to improve plasma BDNF levels and cognition, overall and according to genotypes of the BDNF Val66Met variant. A total of 81 patients with T2DM will be randomly assigned to either aerobic exercise group (n = 54) or attention control group (n = 27) for 3 months. Outcomes of interest include postintervention changes in plasma BDNF levels, fasting blood glucose, hemoglobin A1c, body mass index, executive function, memory, and processing speed. This study will provide further evidence on use of exercise as a non-pharmaceutical, low-cost intervention to improve cognition in this population.
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Affiliation(s)
- Tingting Liu
- Eleanor Mann School of Nursing, University of Arkansas, College of Education and Health Professions, Fayetteville, Arkansas, USA
| | - Lindsey Hettish
- Eleanor Mann School of Nursing, University of Arkansas, College of Education and Health Professions, Fayetteville, Arkansas, USA
| | - Wen-Juo Lo
- Department of Rehabilitation, Human Resources, and Communication Disorders, University of Arkansas College of Education and Health Professions, Fayetteville, Arkansas, USA
| | - Michelle Gray
- Department of Health, Human Performance and Recreation, Exercise Science Research Center, Fayetteville, Arkansas, USA
| | - Changwei Li
- Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana, USA
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Micheli L, Creanza TM, Ceccarelli M, D'Andrea G, Giacovazzo G, Ancona N, Coccurello R, Scardigli R, Tirone F. Transcriptome Analysis in a Mouse Model of Premature Aging of Dentate Gyrus: Rescue of Alpha-Synuclein Deficit by Virus-Driven Expression or by Running Restores the Defective Neurogenesis. Front Cell Dev Biol 2021; 9:696684. [PMID: 34485283 PMCID: PMC8415876 DOI: 10.3389/fcell.2021.696684] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 07/21/2021] [Indexed: 02/05/2023] Open
Abstract
The dentate gyrus of the hippocampus and the subventricular zone are neurogenic niches where neural stem and progenitor cells replicate throughout life to generate new neurons. The Btg1 gene maintains the stem cells of the neurogenic niches in quiescence. The deletion of Btg1 leads to an early transient increase of stem/progenitor cells division, followed, however, by a decrease during adulthood of their proliferative capability, accompanied by apoptosis. Since a physiological decrease of neurogenesis occurs during aging, the Btg1 knockout mouse may represent a model of neural aging. We have previously observed that the defective neurogenesis of the Btg1 knockout model is rescued by the powerful neurogenic stimulus of physical exercise (running). To identify genes responsible for stem and progenitor cells maintenance, we sought here to find genes underlying this premature neural aging, and whose deregulated expression could be rescued by running. Through RNA sequencing we analyzed the transcriptomic profiles of the dentate gyrus isolated from Btg1 wild-type or Btg1 knockout adult (2-month-old) mice submitted to physical exercise or sedentary. In Btg1 knockout mice, 545 genes were deregulated, relative to wild-type, while 2081 genes were deregulated by running. We identified 42 genes whose expression was not only down-regulated in the dentate gyrus of Btg1 knockout, but was also counter-regulated to control levels by running in Btg1 knockout mice, vs. sedentary. Among these 42 counter-regulated genes, alpha-synuclein (Snca), Fos, Arc and Npas4 showed significantly greater differential regulation. These genes control neural proliferation, apoptosis, plasticity and memory and are involved in aging. In particular, Snca expression decreases during aging. We tested, therefore, whether an Snca-expressing lentivirus, by rescuing the defective Snca levels in the dentate gyrus of Btg1 knockout mice, could also reverse the aging phenotype, in particular the defective neurogenesis. We found that the exogenous expression of Snca reversed the Btg1 knockout-dependent decrease of stem cell proliferation as well as the increase of progenitor cell apoptosis. This indicates that Snca has a functional role in the process of neural aging observed in this model, and also suggests that Snca acts as a positive regulator of stem cell maintenance.
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Affiliation(s)
- Laura Micheli
- Institute of Biochemistry and Cell Biology, National Research Council, Rome, Italy
| | - Teresa Maria Creanza
- Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing, National Research Council, Bari, Italy
| | - Manuela Ceccarelli
- Institute of Biochemistry and Cell Biology, National Research Council, Rome, Italy
| | - Giorgio D'Andrea
- Institute of Biochemistry and Cell Biology, National Research Council, Rome, Italy
| | - Giacomo Giacovazzo
- Preclinical Neuroscience, European Center for Brain Research (CERC)/IRCCS Santa Lucia Foundation, Rome, Italy
| | - Nicola Ancona
- Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing, National Research Council, Bari, Italy
| | - Roberto Coccurello
- Preclinical Neuroscience, European Center for Brain Research (CERC)/IRCCS Santa Lucia Foundation, Rome, Italy.,Institute for Complex Systems, National Research Council, Rome, Italy
| | - Raffaella Scardigli
- Institute of Translational Pharmacology, National Research Council, Rome, Italy
| | - Felice Tirone
- Institute of Biochemistry and Cell Biology, National Research Council, Rome, Italy
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Lefferts WK, Rosenberg AJ, Schroeder EC, Grigoriadis G, Sandroff BM, Motl RW, Baynard T. Assessment of Cerebrovascular Dynamics and Cognitive Function with Acute Aerobic Exercise in Persons with Multiple Sclerosis. Int J MS Care 2021; 23:162-169. [PMID: 34483755 DOI: 10.7224/1537-2073.2020-003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Background Cognitive dysfunction in multiple sclerosis (MS) may partially stem from inadequate cerebral blood flow. Cerebral blood flow and cognitive function improve with aerobic exercise in healthy adults. The effect of aerobic exercise on cerebrovascular hemodynamics and cognitive performance in persons with MS is unclear. The acute effect of aerobic exercise versus quiet rest on cerebrovascular hemodynamics and cognitive performance in relapsing-remitting MS was examined. Methods Sixteen adults with relapsing-remitting MS underwent cerebrovascular hemodynamics and cognitive performance testing before, 2 minutes after, and 30 minutes after aerobic exercise (20-minute treadmill walking, 60% peak oxygen consumption) and a time-matched seated control. Brachial blood pressure was obtained via an oscillometric cuff. Right middle cerebral artery (MCA) blood velocity was measured via transcranial Doppler and used to calculate mean velocity, pulsatility index (PI), and conductance. Carotid artery stiffness was measured via ultrasonography and tonometry. Cognitive performance (accuracy, reaction time) was assessed using a modified flanker task. Results Exercise elicited significant increases in mean pressure and carotid artery stiffness and decreases in MCA conductance at 2 minutes after exercise, which subsided by 30 minutes (P < .05). Exercise did not significantly alter MCA PI. Flanker reaction time decreased during posttesting in both conditions (P < .05). There were no condition × time interactions for cognitive performance. Conclusions Persons with MS seem resilient to exercise-induced acute changes in MCA PI despite transient carotid stiffening, potentially via reductions in MCA conductance. These data suggest that changes in cognitive performance after acute aerobic exercise are not directly related to transient cerebrovascular responses in persons with MS.
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Dhir S, Teo WP, Chamberlain SR, Tyler K, Yücel M, Segrave RA. The Effects of Combined Physical and Cognitive Training on Inhibitory Control: A Systematic Review and Meta-Analysis. Neurosci Biobehav Rev 2021; 128:735-748. [PMID: 34256070 PMCID: PMC7611490 DOI: 10.1016/j.neubiorev.2021.07.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 06/25/2021] [Accepted: 07/07/2021] [Indexed: 11/29/2022]
Abstract
While strong inhibitory control is critical for health and wellbeing, there are no broadly applicable effective behavioural interventions that enhance it. This meta-analysis examined the neurocognitive rationale for combined physical and cognitive training and synthesised the rapidly growing body of evidence examining combined paradigms to enhance inhibitory control. Across the research to date, there was a small positive effect (n studies = 16, n participants = 832) of combined training on improving inhibitory control. Sub-group analyses showed small-moderate positive effects when the physical component of the combined training was moderately intense, as opposed to low or vigorous intensities; moderate positive effects were found in older adults, as compared to adolescents and adults; and healthy individuals and those with vascular cognitive impairment, as compared to ADHD, ASD, mild cognitive impairment and cancer survivors. This is the first meta-analysis to provide evidence that combined physical, specifically when moderately intense, and cognitive training has the capacity to improve inhibitory control, particularly when delivered to healthy individuals and those experiencing age-related decline.
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Affiliation(s)
- Sakshi Dhir
- BrainPark, Turner Institute for Brain and Mental Health, School of Psychological Sciences and Monash Biomedical Imaging Facility, Monash University, Melbourne, Victoria, Australia.
| | - Wei-Peng Teo
- Physical Education and Sports Science Academic Group, National Institute of Education, Nanyang Technological University, Singapore; Institute for Physical Activity and Nutrition, Deakin University, Melbourne, Australia
| | - Samuel R Chamberlain
- Department of Psychiatry, Faculty of Medicine, University of Southampton, UK; Southern Health NHS Foundation Trust, UK
| | - Kaelasha Tyler
- BrainPark, Turner Institute for Brain and Mental Health, School of Psychological Sciences and Monash Biomedical Imaging Facility, Monash University, Melbourne, Victoria, Australia
| | - Murat Yücel
- BrainPark, Turner Institute for Brain and Mental Health, School of Psychological Sciences and Monash Biomedical Imaging Facility, Monash University, Melbourne, Victoria, Australia
| | - Rebecca A Segrave
- BrainPark, Turner Institute for Brain and Mental Health, School of Psychological Sciences and Monash Biomedical Imaging Facility, Monash University, Melbourne, Victoria, Australia
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Miyamoto T, Nishiwaki E, Uho T, Mizutani R, Miyamae N, Yamada E. Effect of pedaling cadence on serum levels of brain-derived neurotrophic factor during ergometric exercise in healthy adults. SPORT SCIENCES FOR HEALTH 2021. [DOI: 10.1007/s11332-020-00706-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Mendonça DCB, Fernandes DR, Hernandez SS, Soares FDG, Figueiredo KD, Coelho FGDM. Physical exercise is effective for neuropsychiatric symptoms in Alzheimer's disease: a systematic review. ARQUIVOS DE NEURO-PSIQUIATRIA 2021; 79:447-456. [PMID: 34161531 DOI: 10.1590/0004-282x-anp-2020-0284] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 08/03/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Neuropsychiatric symptoms are disorders frequently seen in Alzheimer's disease. These symptoms contribute to reduction of brain reserve capacity and, in addition, they present unfavorable implications, such as: poor prognosis for the disease, increased functional decline, increased burden on the caregiver and institutionalization. This scenario makes neuropsychiatric symptoms one of the biggest problems in Alzheimer's disease, and gives rise to a need for treatments focused on improving these symptoms. Sow progress in drug trials has led to interest in exploring non-pharmacological measures for improving the neuropsychiatric symptoms of Alzheimer's disease, such as physical exercise. OBJECTIVE To ascertain the effect of exercise on the neuropsychiatric symptoms of Alzheimer's disease and its implications. METHODS This was a systematic review of effective longitudinal research, conducted by searching for articles in the PubMed, Web of Science, CINAHL and Scopus electronic databases, from 2009 to 2019. Studies in which the sample consisted of elderly people aged 65 years old or over with a diagnosis of Alzheimer's disease were included. Initially 334 articles were identified. After exclusions, 21 articles remained to be read in full. From these, five articles fitted the eligibility criteria, and a further two articles were added through manual searches in the references of the articles found. RESULTS Out of the seven articles analyzed in this review, five studies revealed that physical exercise had a positive effect on the neuropsychiatric symptoms of Alzheimer's disease. CONCLUSION This systematic review indicated that physical exercise is a favorable non-pharmacological means for attenuating the neuropsychiatric symptoms of elderly people with Alzheimer's disease, with special attention to aerobic exercises.
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Affiliation(s)
| | - Denise Rodrigues Fernandes
- Universidade Federal de Uberlândia, Programa de Pós-Graduação em Ciências da Saúde, Uberlândia MG, Brazil
| | - Salma Soleman Hernandez
- Universidade do Estado de Santa Catarina, Programa de Pós-Graduação em Ciências do Movimento Humano, Florianópolis SC, Brazil
| | | | - Karina de Figueiredo
- Universidade Federal do Triângulo Mineiro, Programa de Pós-Graduação em Educação Física, Uberaba MG, Brazil
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Marques A, Marconcin P, Werneck AO, Ferrari G, Gouveia ÉR, Kliegel M, Peralta M, Ihle A. Bidirectional Association between Physical Activity and Dopamine Across Adulthood-A Systematic Review. Brain Sci 2021; 11:829. [PMID: 34201523 PMCID: PMC8301978 DOI: 10.3390/brainsci11070829] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/17/2021] [Accepted: 06/18/2021] [Indexed: 11/16/2022] Open
Abstract
Physical activity (PA) may influence the secretion of neurotransmitters and thereby have positive consequences for an individual's vulnerability (i.e., reducing anxiety and depressive symptoms). This systematic review aims to analyse the potential bidirectional effects of exercise on dopamine from young adulthood to old age. The article search was conducted in PubMed, Scopus, and Web of Science in December 2020. The inclusion criteria were longitudinal and experimental study design; outcomes included dopamine and exercise; effect of exercise on dopamine and vice versa; adults; and articles published in English, Portuguese, or Spanish. Fifteen articles were included in the review. We observed robust findings concerning the potential effects of PA on dopamine, which notably seem to be observable across a wide range of participants characteristics (including age and sex), a variety of PA characteristics, and a broad set of methods to analyse dopamine. By contrast, regarding the potential effects of dopamine on PA, findings were mixed across studies. Thus, there are robust effects of physical exercise on dopamine. These findings further strengthen the idea that innovative approaches could include PA interventions for treating and preventing mental disorders. Therefore, it seems that PA is a potential alternative to deal with mental health issues.
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Affiliation(s)
- Adilson Marques
- CIPER, Faculty of Human Kinetics, University of Lisbon, 1499-002 Cruz Quebrada, Portugal; (A.M.); (M.P.)
- ISAMB, University of Lisbon, 1649-004 Lisbon, Portugal
| | - Priscila Marconcin
- Faculty of Human Kinetics, University of Lisbon, 1649-004 Lisbon, Portugal
| | - André O. Werneck
- Center for Epidemiological Research in Nutrition and Health, Department of Nutrition, School of Public Health, University of São Paulo (USP), São Paulo 05508-220, Brazil;
| | - Gerson Ferrari
- Escuela de Ciencias de la Actividad Física, el Deporte y la Salud, Universidad de Santiago de Chile (USACH), Santiago 9170124, Chile;
| | - Élvio R. Gouveia
- Departamento de Educação Física e Desporto, Universidade da Madeira, 9000-390 Funchal, Portugal;
- Interactive Technologies Institute, LARSyS, 9020-105 Funchal, Portugal
- Center for the Interdisciplinary Study of Gerontology and Vulnerability, University of Geneva, 1205 Geneva, Switzerland; (M.K.); (A.I.)
| | - Matthias Kliegel
- Center for the Interdisciplinary Study of Gerontology and Vulnerability, University of Geneva, 1205 Geneva, Switzerland; (M.K.); (A.I.)
- Swiss National Centre of Competence in Research LIVES—Overcoming Vulnerability, Life Course Perspectives, 1015 Lausanne, Switzerland
- Department of Psychology, University of Geneva, 1205 Geneva, Switzerland
| | - Miguel Peralta
- CIPER, Faculty of Human Kinetics, University of Lisbon, 1499-002 Cruz Quebrada, Portugal; (A.M.); (M.P.)
- ISAMB, University of Lisbon, 1649-004 Lisbon, Portugal
| | - Andreas Ihle
- Center for the Interdisciplinary Study of Gerontology and Vulnerability, University of Geneva, 1205 Geneva, Switzerland; (M.K.); (A.I.)
- Swiss National Centre of Competence in Research LIVES—Overcoming Vulnerability, Life Course Perspectives, 1015 Lausanne, Switzerland
- Department of Psychology, University of Geneva, 1205 Geneva, Switzerland
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Kida E, Walus M, Albertini G, Golabek AA. Long-term voluntary running modifies the levels of proteins of the excitatory/inhibitory system and reduces reactive astrogliosis in the brain of Ts65Dn mouse model for Down syndrome. Brain Res 2021; 1766:147535. [PMID: 34043998 DOI: 10.1016/j.brainres.2021.147535] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 05/20/2021] [Accepted: 05/22/2021] [Indexed: 09/30/2022]
Abstract
We showed previously that voluntary long-term running improved cognition and motor skills, but in an age-dependent manner, in the Ts65Dn mouse model for Down syndrome (DS). Presently, we investigated the effect of running on the levels of some key proteins of the excitatory/inhibitory system, which is impaired in the trisomic brain, and on astroglia, a vital component of this system. Ts65Dn mice had free access to a running wheel for 9-13 months either from weaning or from the age of 7 months. Sedentary Ts65Dn mice served as controls. We found that running modified the levels of four of the seven proteins we tested that are associated with the glutamatergic/GABA-ergic system. Thus, Ts65Dn runners demonstrated increased levels of glutamine synthetase and metabotropic glutamate receptor 1 and decreased levels of glutamate transporter 1 and glutamic acid decarboxylase 65 (GAD65) versus sedentary mice, but of metabotropic glutamate receptor 1 and GAD65 only in the post-weaning cohort. GAD67, ionotropic N-methyl-D-aspartate type receptor subunit 1, and GABAAα5 receptors' levels were similar in runners and sedentary animals. The number of glial fibrillary acidic protein (GFAP)-positive astrocytes and the levels of GFAP were significantly reduced in runners relative to sedentary mice. Our study provides new insight into the mechanisms underlying the beneficial effect of voluntary, sustained running on function of the trisomic brain by identifying the involvement of proteins associated with glutamatergic and GABAergic systems and reduction in reactive astrogliosis.
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Affiliation(s)
- Elizabeth Kida
- Department of Developmental Neurobiology, New York State Institute for Basic Research in Developmental Disabilities, Staten Island, NY 10314, USA
| | - Marius Walus
- Department of Developmental Neurobiology, New York State Institute for Basic Research in Developmental Disabilities, Staten Island, NY 10314, USA
| | - Giorgio Albertini
- Child Development Department, IRCCS San Raffaele Pisana, Rome and San Raffaele Cassino, Italy
| | - Adam A Golabek
- Department of Developmental Neurobiology, New York State Institute for Basic Research in Developmental Disabilities, Staten Island, NY 10314, USA.
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Yogev-Seligmann G, Eisenstein T, Ash E, Giladi N, Sharon H, Nachman S, Bregman N, Kodesh E, Hendler T, Lerner Y. Neurocognitive Plasticity Is Associated with Cardiorespiratory Fitness Following Physical Exercise in Older Adults with Amnestic Mild Cognitive Impairment. J Alzheimers Dis 2021; 81:91-112. [PMID: 33720893 DOI: 10.3233/jad-201429] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Aerobic training has been shown to promote structural and functional neurocognitive plasticity in cognitively intact older adults. However, little is known about the neuroplastic potential of aerobic exercise in individuals at risk of Alzheimer's disease (AD) and dementia. OBJECTIVE We aimed to explore the effect of aerobic exercise intervention and cardiorespiratory fitness improvement on brain and cognitive functions in older adults with amnestic mild cognitive impairment (aMCI). METHODS 27 participants with aMCI were randomized to either aerobic training (n = 13) or balance and toning (BAT) control group (n = 14) for a 16-week intervention. Pre- and post-assessments included functional MRI experiments of brain activation during associative memory encoding and neural synchronization during complex information processing, cognitive evaluation using neuropsychological tests, and cardiorespiratory fitness assessment. RESULTS The aerobic group demonstrated increased frontal activity during memory encoding and increased neural synchronization in higher-order cognitive regions such as the frontal cortex and temporo-parietal junction (TPJ) following the intervention. In contrast, the BAT control group demonstrated decreased brain activity during memory encoding, primarily in occipital, temporal, and parietal areas. Increases in cardiorespiratory fitness were associated with increases in brain activationin both the left inferior frontal and precentral gyri. Furthermore, changes in cardiorespiratory fitness were also correlated with changes in performance on several neuropsychological tests. CONCLUSION Aerobic exercise training may result in functional plasticity of high-order cognitive areas, especially, frontal regions, among older adults at risk of AD and dementia. Furthermore, cardiorespiratory fitness may be an important mediating factor of the observed changes in neurocognitive functions.
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Affiliation(s)
- Galit Yogev-Seligmann
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Sagol Brain Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Tamir Eisenstein
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Sagol Brain Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Elissa Ash
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Nir Giladi
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.,Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
| | - Haggai Sharon
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Sagol Brain Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.,Pain Management & Neuromodulation Centre, Guy's & St Thomas' NHS Foundation Trust, London, UK.,Institute of Pain Medicine, Department of Anesthesiology and Critical Care Medicine, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Shikma Nachman
- Sagol Brain Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Noa Bregman
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Neurology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Einat Kodesh
- Department of Physical Therapy Faculty of Social Welfare & Health Sciences, University of Haifa, Haifa, Israel
| | - Talma Hendler
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Sagol Brain Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.,Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel.,School of Psychological Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Yulia Lerner
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Sagol Brain Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.,Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
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Ten Brinke LF, Hsu CL, Erickson KI, Handy TC, Liu-Ambrose T. Functional Connectivity and Response Inhibition: A Secondary Analysis of an 8-Week Randomized Controlled Trial of Computerized Cognitive Training. J Alzheimers Dis 2021; 80:1525-1537. [PMID: 33720882 DOI: 10.3233/jad-200844] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Evidence suggests that computerized cognitive training (CCT) can improve cognitive function in older adults, particularly executive functions. However, the underlying mechanisms by which CCT may improve executive functions are not well established. OBJECTIVE To determine: 1) inter-network functional connectivity correlates of changes in executive functions; and 2) the effect of CCT on these functional connectivity correlates. METHODS This secondary analysis included a subset of 124 adults aged 65-85 years enrolled in an 8-week randomized controlled trial of CCT. Participants were randomized to either: 1) group-based CCT 3x/week for 1 hour plus 3x/week home-based training; 2) group-based CCT preceded by brisk walking (Ex+CCT) 3x/week for 1 hour plus 3x/week home-based training; or 3) group-based balanced and toned (BAT) classes 3x/week for 1 hour (control). At baseline and trial completion, 65 of the 124 participants completed resting-state functional magnetic resonance imaging and neuropsychological tests of executive functions, specifically the Stroop Colour-Word Test and Flanker Test. RESULTS Improved performance on the Stroop Colour-Word Test and Flanker Test were associated with decreased correlation between the default mode network (DMN) and the fronto-parietal network (FPN) (p < 0.05). Compared with BAT, CCT alone significantly decreased correlation between the left dorsolateral prefrontal cortex and both the left and right medial temporal gyrus (-0.143, 95%CI [-0.256,-0.030], p = 0.014, and -0.123, 95%CI [-0.242,-0.004], p = 0.043, respectively). CONCLUSION Decreased correlation between DMN and FPN, indicating less connection between these networks, may be an underlying mechanism by which CCT improves executive functions. Future studies are needed to replicate this finding.
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Affiliation(s)
- Lisanne F Ten Brinke
- Aging, Mobility, and Cognitive Neuroscience Laboratory, Department of Physical Therapy, University of British Columbia, Vancouver, British Columbia, Canada.,Djavad Mowafaghian Centre for Brain Health, Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Vancouver, British Columbia, Canada.,Centre for Hip Health and Mobility, Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Canada
| | - Chun Liang Hsu
- Aging, Mobility, and Cognitive Neuroscience Laboratory, Department of Physical Therapy, University of British Columbia, Vancouver, British Columbia, Canada.,Djavad Mowafaghian Centre for Brain Health, Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Vancouver, British Columbia, Canada.,Centre for Hip Health and Mobility, Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Canada.,Hinda and Arthur Marcus Institute for Aging Research, Hebrew Senior Life, Boston, MA, USA
| | - Kirk I Erickson
- Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Todd C Handy
- Department of Psychology, University of British Columbia, Vancouver, BC, Canada
| | - Teresa Liu-Ambrose
- Aging, Mobility, and Cognitive Neuroscience Laboratory, Department of Physical Therapy, University of British Columbia, Vancouver, British Columbia, Canada.,Djavad Mowafaghian Centre for Brain Health, Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Vancouver, British Columbia, Canada.,Centre for Hip Health and Mobility, Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Canada
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de Siqueira Mendes FDCC, Paixão LTVB, Diniz DG, Anthony DC, Brites D, Diniz CWP, Sosthenes MCK. Sedentary Life and Reduced Mastication Impair Spatial Learning and Memory and Differentially Affect Dentate Gyrus Astrocyte Subtypes in the Aged Mice. Front Neurosci 2021; 15:632216. [PMID: 33935629 PMCID: PMC8081835 DOI: 10.3389/fnins.2021.632216] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 03/03/2021] [Indexed: 11/13/2022] Open
Abstract
To explore the impact of reduced mastication and a sedentary lifestyle on spatial learning and memory in the aged mice, as well as on the morphology of astrocytes in the molecular layer of dentate gyrus (MolDG), different masticatory regimens were imposed. Control mice received a pellet-type hard diet, while the reduced masticatory activity group received a pellet diet followed by a powdered diet, and the masticatory rehabilitation group received a pellet diet, followed by powder diet and then a pellet again. To mimic sedentary or active lifestyles, mice were housed in an impoverished environment of standard cages or in an enriched environment. The Morris Water Maze (MWM) test showed that masticatory-deprived group, regardless of environment, was not able to learn and remember the hidden platform location, but masticatory rehabilitation combined with enriched environment recovered such disabilities. Microscopic three-dimensional reconstructions of 1,800 glial fibrillary acidic protein (GFAP)-immunolabeled astrocytes from the external third of the MolDG were generated using a stereological systematic and random sampling approach. Hierarchical cluster analysis allowed the characterization into two main groups of astrocytes with greater and lower morphological complexities, respectively, AST1 and AST2. When compared to compared to the hard diet group subjected to impoverished environment, deprived animals maintained in the same environment for 6 months showed remarkable shrinkage of astrocyte branches. However, the long-term environmental enrichment (18-month-old) applied to the deprived group reversed the shrinkage effect, with significant increase in the morphological complexity of AST1 and AST2, when in an impoverished or enriched environment. During housing under enriched environment, complexity of branches of AST1 and AST2 was reduced by the powder diet (pellet followed by powder regimes) in young but not in old mice, where it was reversed by pellet diet (pellet followed by powder and pellet regime again). The same was not true for mice housed under impoverished environment. Interestingly, we were unable to find any correlation between MWM data and astrocyte morphological changes. Our findings indicate that both young and aged mice subjected to environmental enrichment, and under normal or rehabilitated masticatory activity, preserve spatial learning and memory. Nonetheless, data suggest that an impoverished environment and reduced mastication synergize to aggravate age-related cognitive decline; however, the association with morphological diversity of AST1 and AST2 at the MolDG requires further investigation.
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Affiliation(s)
- Fabíola de Carvalho Chaves de Siqueira Mendes
- Laboratório de Investigações em Neurodegeneração e Infecção, Instituto de Ciências Biológicas, Hospital Universitário João de Barros Barreto, Universidade Federal do Pará, Belém, Brazil.,Curso de Medicina, Centro Universitário do Estado do Pará, Belém, Brazil
| | - Luisa Taynah Vasconcelos Barbosa Paixão
- Laboratório de Investigações em Neurodegeneração e Infecção, Instituto de Ciências Biológicas, Hospital Universitário João de Barros Barreto, Universidade Federal do Pará, Belém, Brazil
| | - Daniel Guerreiro Diniz
- Laboratório de Investigações em Neurodegeneração e Infecção, Instituto de Ciências Biológicas, Hospital Universitário João de Barros Barreto, Universidade Federal do Pará, Belém, Brazil.,Laboratório de Microscopia Eletrônica, Instituto Evandro Chagas, Belém, Brazil
| | - Daniel Clive Anthony
- Laboratory of Experimental Neuropathology, Department of Pharmacology, University of Oxford, Oxford, United Kingdom
| | - Dora Brites
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal.,Department of Biochemistry and Human Biology, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Cristovam Wanderley Picanço Diniz
- Laboratório de Investigações em Neurodegeneração e Infecção, Instituto de Ciências Biológicas, Hospital Universitário João de Barros Barreto, Universidade Federal do Pará, Belém, Brazil
| | - Marcia Consentino Kronka Sosthenes
- Laboratório de Investigações em Neurodegeneração e Infecção, Instituto de Ciências Biológicas, Hospital Universitário João de Barros Barreto, Universidade Federal do Pará, Belém, Brazil
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