The Experts below are selected from a list of 63405 Experts worldwide ranked by ideXlab platform

Marc Roig - One of the best experts on this subject based on the ideXlab platform.

  • Exercise reduces competition between procedural and declarative memory systems
    eNeuro, 2020
    Co-Authors: Jing Chen, Marc Roig, David L Wright
    Abstract:

    Abstract The neural systems that govern declarative and procedural memory processing do not always operate independently. Direct evidence of competition between these two memory systems in humans is supported by studies showing that performing a declarative learning task immediately after motor skill learning can disrupt procedural memory and abolish the off-line gains in skill performance obtained during consolidation. The aim of the present study was to extend recent investigations demonstrating that the exposure to a brief bout of Cardiovascular Exercise can protect procedural memory by enhancing postpractice consolidation. We used an experimental paradigm designed to assess whether Exercise can also protect procedural memory consolidation from interference induced with declarative learning. The implicit acquisition of a serial reaction time task (SRTT) was tested after a 6-h waked-filled period. Participants who were exposed to a non-learning vowel counting (VC) task following the practice of the SRTT exhibited successful procedural memory consolidation and significant off-line gains in skill performance. Confirming that declarative memory processes can interfere with procedural memory consolidation, off-line gains in motor skill performance were suppressed when the performance of the VC task was replaced with a word list (WL) task requiring declarative learning. Performing a bout of Cardiovascular Exercise after the SRTT protected the newly formed procedural memory from the interference produced by the WL task. Protection was evidenced by a return of significant off-line gains in skill performance after the waked-filled period. Exercise optimizes the utilization of neural resources reducing interference between procedural and declarative memory systems.

  • Acute Exercise Protects Newly Formed Motor Memories Against rTMS-induced Interference Targeting Primary Motor Cortex
    Neuroscience, 2020
    Co-Authors: Mikkel Malling Beck, Marc Roig, Marcus Udsen Grandjean, Sander Hartmand, Meaghan Elizabeth Spedden, Lasse Christiansen, Jesper Lundbye-jensen
    Abstract:

    Abstract Acute Cardiovascular Exercise can promote motor memory consolidation following motor practice, and thus long-term retention, but the underlying mechanisms remain sparsely elucidated. Here we test the hypothesis that the positive behavioral effects of acute Exercise involve the primary motor cortex and the corticospinal pathway by interfering with motor memory consolidation using non-invasive, low frequency, repetitive transcranial magnetic stimulation (rTMS). Forty-eight able-bodied, young adult male participants (mean age = 24.8 y/o) practiced a visuomotor accuracy task demanding precise and fast pinch force control. Following motor practice, participants either rested or Exercised (20 min total: 3 × 3 min at 90% VO2peak) before receiving either sham rTMS or supra-threshold rTMS (115% RMT, 1 Hz) targeting the hand area of the contralateral primary motor cortex for 20 min. Retention was evaluated 24 h following motor practice, and motor memory consolidation was operationalized as overnight changes in motor performance. Low-frequency rTMS resulted in off-line decrements in motor performance compared to sham rTMS, but these were counteracted by a preceding bout of intense Exercise. These findings demonstrate that a single session of Exercise promotes early motor memory stabilization and protects the primary motor cortex and the corticospinal system against interference.

  • the protective effects of acute Cardiovascular Exercise on the interference of procedural memory
    Psychological Research-psychologische Forschung, 2019
    Co-Authors: J S Jo, Marc Roig, Steven E Riechman, Jing Chen, David L Wright
    Abstract:

    Numerous studies have reported a positive impact of acute Exercise for procedural skill memory. Previous work has revealed this effect, but these findings are confounded by a potential contribution of a night of sleep to the reported Exercise-mediated reduction in interference. Thus, it remains unclear if exposure to a brief bout of Exercise can provide protection to a newly acquired motor memory. The primary objective of the present study was to examine if a single bout of moderate-intensity Cardiovascular Exercise after practice of a novel motor sequence reduces the susceptibility to retroactive interference. To address this shortcoming, 17 individuals in a control condition practiced a novel motor sequence that was followed by test after a 6-h wake-filled interval. A separate group of 17 individuals experienced practice with an interfering motor sequence 45 min after practice with the original sequence and were then administered test trials 6 h later. One additional group of 12 participants was exposed to an acute bout of Exercise immediately after practice with the original motor sequence but prior to practice with the interfering motor sequence and the subsequent test. In comparison with the control condition, increased response times were revealed during the 6-h test for the individuals that were exposed to interference. The introduction of an acute bout of Exercise between the practice of the two motor sequences produced a reduction in interference from practice with the second task at the time of test, however, this effect was not statistically significant. These data reinforce the hypothesis that while there may be a contribution from Exercise to post-practice consolidation of procedural skills which is independent of sleep, sleep may interact with Exercise to strengthen the effects of the latter on procedural memory.

  • a single bout of high intensity interval training improves motor skill retention in individuals with stroke
    Neurorehabilitation and Neural Repair, 2017
    Co-Authors: Jeanfrancois Nepveu, Ada Tang, Joyce Fung, Alexander Thiel, Jesper Lundbyejensen, Lara A Boyd, Marc Roig
    Abstract:

    Background. One bout of high-intensity Cardiovascular Exercise performed immediately after practicing a motor skill promotes changes in the neuroplasticity of the motor cortex and facilitates motor learning in nondisabled individuals. Objective. To determine if a bout of Exercise performed at high intensity is sufficient to induce neuroplastic changes and improve motor skill retention in patients with chronic stroke. Methods. Twenty-two patients with different levels of motor impairment were recruited. On the first session, the effects of a maximal graded Exercise test on corticospinal and intracortical excitability were assessed from the affected and unaffected primary motor cortex representational area of a hand muscle with transcranial magnetic stimulation. On the second session, participants were randomly assigned to an Exercise or a nonExercise control group. Immediately after practicing a motor task, the Exercise group performed 15 minutes of high-intensity interval training while the control group ...

  • changes in corticospinal excitability during consolidation predict acute Exercise induced off line gains in procedural memory
    Neurobiology of Learning and Memory, 2016
    Co-Authors: Fatemeh Ostadan, Carla Centeno, Jeanfelix Daloze, Mira Frenn, Jesper Lundbyejensen, Marc Roig
    Abstract:

    Abstract A single bout of Cardiovascular Exercise performed immediately after practicing a motor task improves the long-term retention of the skill through an optimization of memory consolidation. However, the specific brain mechanisms underlying the effects of acute Cardiovascular Exercise on procedural memory are poorly understood. We sought to determine if a single bout of Exercise modifies corticospinal excitability (CSE) during the early stages of memory consolidation. In addition, we investigated if changes in CSE are associated with Exercise-induced off-line gains in procedural memory. Participants practiced a serial reaction time task followed by either a short bout of acute Exercise or a similar rest period. To monitor changes in CSE we used transcranial magnetic stimulation applied to the primary motor cortex (M1) at baseline, 15, 35, 65 and 125 min after Exercise or rest. Participants in the Exercise condition showed larger (∼24%) improvements in procedural memory through consolidation although differences between groups did not reach statistical significance. Exercise promoted an increase in CSE, which remained elevated 2 h after Exercise. More importantly, global increases in CSE following Exercise correlated with the magnitude of off-line gains in skill level assessed in a retention test performed 8 h after motor practice. A single bout of Exercise modulates short-term neuroplasticity mechanisms subserving consolidation processes that predict off-line gains in procedural memory.

Harold W Kohl - One of the best experts on this subject based on the ideXlab platform.

  • peer reviewed prevalence of physical activity in the united states behavioral risk factor surveillance system 2001
    Preventing Chronic Disease, 2005
    Co-Authors: Caroline A Macera, Michelle M Yore, Deborah A Jones, Dexter C Kimsey, Harold W Kohl, Barbara E Ainsworth
    Abstract:

    Introduction The health benefits of regular Cardiovascular Exercise are well-known. Such Exercise, however, has traditionally been defined as vigorous physical activity, such as jogging, swimming, or aerobic dance. Exercise of moderate intensity also promotes health, and many U.S. adults may be experiencing the health benefits of Exercise through lifestyle activities of moderate intensity, such as yard work, housework, or walking for transportation. Until recently, public health surveillance systems have not included assessments of this type of physical activity, focusing on Exercise of vigorous intensity. We used an enhanced surveillance tool to describe the prevalence and amount of both moderate-intensity and vigorous-intensity physical activity among U.S. adults.

  • prevalence of physical activity in the united states behavioral risk factor surveillance system 2001
    Preventing Chronic Disease, 2005
    Co-Authors: Caroline A Macera, Michelle M Yore, Deborah A Jones, Dexter C Kimsey, Barbara E Ainsworth, Harold W Kohl
    Abstract:

    INTRODUCTION: The health benefits of regular Cardiovascular Exercise are well-known. Such Exercise, however, has traditionally been defined as vigorous physical activity, such as jogging, swimming, or aerobic dance. Exercise of moderate intensity also promotes health, and many U.S. adults may be experiencing the health benefits of Exercise through lifestyle activities of moderate intensity, such as yard work, housework, or walking for transportation. Until recently, public health surveillance systems have not included assessments of this type of physical activity, focusing on Exercise of vigorous intensity. We used an enhanced surveillance tool to describe the prevalence and amount of both moderate-intensity and vigorous-intensity physical activity among U.S. adults. METHODS: We analyzed data from the 2001 Behavioral Risk Factor Surveillance System, a state-based, random-digit-dialed telephone survey administered to U.S. adults aged 18 years and older (n = 82,834 men and 120,286 women). Physical activity behavior was assessed using questions designed to quantify the frequency of participation in moderate- or vigorous-intensity physical activities performed during leisure time or for household chores and transportation. RESULTS: Overall, 45% of adults (48% of men and 43% of women) were active at recommended levels during nonworking hours (at least 30 minutes five or more days per week in moderate-intensity activities, equivalent to brisk walking, or at least 20 minutes three or more days per week in vigorous activities, equivalent to running, heavy yard work, or aerobic dance). Less than 16% of adults (15% of men and 17% of women) reported no moderate or vigorous activity in a usual week. CONCLUSION: Integrating surveillance of lifestyle activities into national systems is possible, and doing so may provide a more accurate representation of the prevalence of recommended levels of physical activity. These results, however, suggest that the majority of U.S. adults are not active at levels associated with the promotion and maintenance of health.

Barbara E Ainsworth - One of the best experts on this subject based on the ideXlab platform.

  • peer reviewed prevalence of physical activity in the united states behavioral risk factor surveillance system 2001
    Preventing Chronic Disease, 2005
    Co-Authors: Caroline A Macera, Michelle M Yore, Deborah A Jones, Dexter C Kimsey, Harold W Kohl, Barbara E Ainsworth
    Abstract:

    Introduction The health benefits of regular Cardiovascular Exercise are well-known. Such Exercise, however, has traditionally been defined as vigorous physical activity, such as jogging, swimming, or aerobic dance. Exercise of moderate intensity also promotes health, and many U.S. adults may be experiencing the health benefits of Exercise through lifestyle activities of moderate intensity, such as yard work, housework, or walking for transportation. Until recently, public health surveillance systems have not included assessments of this type of physical activity, focusing on Exercise of vigorous intensity. We used an enhanced surveillance tool to describe the prevalence and amount of both moderate-intensity and vigorous-intensity physical activity among U.S. adults.

  • prevalence of physical activity in the united states behavioral risk factor surveillance system 2001
    Preventing Chronic Disease, 2005
    Co-Authors: Caroline A Macera, Michelle M Yore, Deborah A Jones, Dexter C Kimsey, Barbara E Ainsworth, Harold W Kohl
    Abstract:

    INTRODUCTION: The health benefits of regular Cardiovascular Exercise are well-known. Such Exercise, however, has traditionally been defined as vigorous physical activity, such as jogging, swimming, or aerobic dance. Exercise of moderate intensity also promotes health, and many U.S. adults may be experiencing the health benefits of Exercise through lifestyle activities of moderate intensity, such as yard work, housework, or walking for transportation. Until recently, public health surveillance systems have not included assessments of this type of physical activity, focusing on Exercise of vigorous intensity. We used an enhanced surveillance tool to describe the prevalence and amount of both moderate-intensity and vigorous-intensity physical activity among U.S. adults. METHODS: We analyzed data from the 2001 Behavioral Risk Factor Surveillance System, a state-based, random-digit-dialed telephone survey administered to U.S. adults aged 18 years and older (n = 82,834 men and 120,286 women). Physical activity behavior was assessed using questions designed to quantify the frequency of participation in moderate- or vigorous-intensity physical activities performed during leisure time or for household chores and transportation. RESULTS: Overall, 45% of adults (48% of men and 43% of women) were active at recommended levels during nonworking hours (at least 30 minutes five or more days per week in moderate-intensity activities, equivalent to brisk walking, or at least 20 minutes three or more days per week in vigorous activities, equivalent to running, heavy yard work, or aerobic dance). Less than 16% of adults (15% of men and 17% of women) reported no moderate or vigorous activity in a usual week. CONCLUSION: Integrating surveillance of lifestyle activities into national systems is possible, and doing so may provide a more accurate representation of the prevalence of recommended levels of physical activity. These results, however, suggest that the majority of U.S. adults are not active at levels associated with the promotion and maintenance of health.

Caroline A Macera - One of the best experts on this subject based on the ideXlab platform.

  • peer reviewed prevalence of physical activity in the united states behavioral risk factor surveillance system 2001
    Preventing Chronic Disease, 2005
    Co-Authors: Caroline A Macera, Michelle M Yore, Deborah A Jones, Dexter C Kimsey, Harold W Kohl, Barbara E Ainsworth
    Abstract:

    Introduction The health benefits of regular Cardiovascular Exercise are well-known. Such Exercise, however, has traditionally been defined as vigorous physical activity, such as jogging, swimming, or aerobic dance. Exercise of moderate intensity also promotes health, and many U.S. adults may be experiencing the health benefits of Exercise through lifestyle activities of moderate intensity, such as yard work, housework, or walking for transportation. Until recently, public health surveillance systems have not included assessments of this type of physical activity, focusing on Exercise of vigorous intensity. We used an enhanced surveillance tool to describe the prevalence and amount of both moderate-intensity and vigorous-intensity physical activity among U.S. adults.

  • prevalence of physical activity in the united states behavioral risk factor surveillance system 2001
    Preventing Chronic Disease, 2005
    Co-Authors: Caroline A Macera, Michelle M Yore, Deborah A Jones, Dexter C Kimsey, Barbara E Ainsworth, Harold W Kohl
    Abstract:

    INTRODUCTION: The health benefits of regular Cardiovascular Exercise are well-known. Such Exercise, however, has traditionally been defined as vigorous physical activity, such as jogging, swimming, or aerobic dance. Exercise of moderate intensity also promotes health, and many U.S. adults may be experiencing the health benefits of Exercise through lifestyle activities of moderate intensity, such as yard work, housework, or walking for transportation. Until recently, public health surveillance systems have not included assessments of this type of physical activity, focusing on Exercise of vigorous intensity. We used an enhanced surveillance tool to describe the prevalence and amount of both moderate-intensity and vigorous-intensity physical activity among U.S. adults. METHODS: We analyzed data from the 2001 Behavioral Risk Factor Surveillance System, a state-based, random-digit-dialed telephone survey administered to U.S. adults aged 18 years and older (n = 82,834 men and 120,286 women). Physical activity behavior was assessed using questions designed to quantify the frequency of participation in moderate- or vigorous-intensity physical activities performed during leisure time or for household chores and transportation. RESULTS: Overall, 45% of adults (48% of men and 43% of women) were active at recommended levels during nonworking hours (at least 30 minutes five or more days per week in moderate-intensity activities, equivalent to brisk walking, or at least 20 minutes three or more days per week in vigorous activities, equivalent to running, heavy yard work, or aerobic dance). Less than 16% of adults (15% of men and 17% of women) reported no moderate or vigorous activity in a usual week. CONCLUSION: Integrating surveillance of lifestyle activities into national systems is possible, and doing so may provide a more accurate representation of the prevalence of recommended levels of physical activity. These results, however, suggest that the majority of U.S. adults are not active at levels associated with the promotion and maintenance of health.

Jesper Lundbyejensen - One of the best experts on this subject based on the ideXlab platform.

  • a single bout of high intensity interval training improves motor skill retention in individuals with stroke
    Neurorehabilitation and Neural Repair, 2017
    Co-Authors: Jeanfrancois Nepveu, Ada Tang, Joyce Fung, Alexander Thiel, Jesper Lundbyejensen, Lara A Boyd, Marc Roig
    Abstract:

    Background. One bout of high-intensity Cardiovascular Exercise performed immediately after practicing a motor skill promotes changes in the neuroplasticity of the motor cortex and facilitates motor learning in nondisabled individuals. Objective. To determine if a bout of Exercise performed at high intensity is sufficient to induce neuroplastic changes and improve motor skill retention in patients with chronic stroke. Methods. Twenty-two patients with different levels of motor impairment were recruited. On the first session, the effects of a maximal graded Exercise test on corticospinal and intracortical excitability were assessed from the affected and unaffected primary motor cortex representational area of a hand muscle with transcranial magnetic stimulation. On the second session, participants were randomly assigned to an Exercise or a nonExercise control group. Immediately after practicing a motor task, the Exercise group performed 15 minutes of high-intensity interval training while the control group ...

  • changes in corticospinal excitability during consolidation predict acute Exercise induced off line gains in procedural memory
    Neurobiology of Learning and Memory, 2016
    Co-Authors: Fatemeh Ostadan, Carla Centeno, Jeanfelix Daloze, Mira Frenn, Jesper Lundbyejensen, Marc Roig
    Abstract:

    Abstract A single bout of Cardiovascular Exercise performed immediately after practicing a motor task improves the long-term retention of the skill through an optimization of memory consolidation. However, the specific brain mechanisms underlying the effects of acute Cardiovascular Exercise on procedural memory are poorly understood. We sought to determine if a single bout of Exercise modifies corticospinal excitability (CSE) during the early stages of memory consolidation. In addition, we investigated if changes in CSE are associated with Exercise-induced off-line gains in procedural memory. Participants practiced a serial reaction time task followed by either a short bout of acute Exercise or a similar rest period. To monitor changes in CSE we used transcranial magnetic stimulation applied to the primary motor cortex (M1) at baseline, 15, 35, 65 and 125 min after Exercise or rest. Participants in the Exercise condition showed larger (∼24%) improvements in procedural memory through consolidation although differences between groups did not reach statistical significance. Exercise promoted an increase in CSE, which remained elevated 2 h after Exercise. More importantly, global increases in CSE following Exercise correlated with the magnitude of off-line gains in skill level assessed in a retention test performed 8 h after motor practice. A single bout of Exercise modulates short-term neuroplasticity mechanisms subserving consolidation processes that predict off-line gains in procedural memory.

  • acute Exercise and motor memory consolidation the role of Exercise intensity
    PLOS ONE, 2016
    Co-Authors: Richard Thomas, Marc Roig, Lasse Christiansen, Svend Sparre Geertsen, Line K Johnsen, Christian Ritz, Jesper Lundbyejensen
    Abstract:

    A single bout of high intensity aerobic Exercise (~90% VO2peak) was previously demonstrated to amplify off-line gains in skill level during the consolidation phase of procedural memory. High intensity Exercise is not always a viable option for many patient groups or in a rehabilitation setting where low to moderate intensities may be more suitable. The aim of this study was to investigate the role of intensity in mediating the effects of acute Cardiovascular Exercise on motor skill learning. We investigated the effects of different Exercise intensities on the retention (performance score) of a visuomotor accuracy tracking task. Thirty six healthy male subjects were randomly assigned to one of three groups that performed either a single bout of aerobic Exercise at 20 min post motor skill learning at 45% (EX45), 90% (EX90) maximal power output (Wmax) or rested (CON). Randomization was stratified to ensure that the groups were matched for relative peak oxygen consumption (ml O2/min/kg) and baseline score in the tracking task. Retention tests were carried out at 1 (R1) and 7 days (R7) post motor skill learning. At R1, changes in performance scores were greater for EX90 compared to CON (p<0.001) and EX45 (p = 0.011). The EX45 and EX90 groups demonstrated a greater change in performance score at R7 compared to the CON group (p = 0.003 and p<0.001, respectively). The change in performance score for EX90 at R7 was also greater than EX45 (p = 0.049). We suggest that Exercise intensity plays an important role in modulating the effects that a single bout of Cardiovascular Exercise has on the consolidation phase following motor skill learning. There appears to be a dose-response relationship in favour of higher intensity Exercise in order to augment off-line effects and strengthen procedural memory.

  • time dependent effects of Cardiovascular Exercise on memory
    Exercise and Sport Sciences Reviews, 2016
    Co-Authors: Marc Roig, Fatemeh Ostadan, Lara A Boyd, Richard Thomas, Cameron S Mang, Nicholas J Snow, Jesper Lundbyejensen
    Abstract:

    We present new evidence supporting the hypothesis that the effects of Cardiovascular Exercise on memory can be regulated in a time-dependent manner. When the Exercise stimulus is coupled temporally with specific phases of the memory formation process, a single bout of Cardiovascular Exercise may be sufficient to improve memory.