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Exercise and memory

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https://www.readbyqxmd.com/read/27911299/chronotropic-response-and-cognitive-function-in-a-cohort-at-risk-for%C3%A2-alzheimer-s-disease
#1
Lena L Law, Stephanie A Schultz, Elizabeth A Boots, Jean A Einerson, Ryan J Dougherty, Jennifer M Oh, Claudia E Korcarz, Dorothy F Edwards, Rebecca L Koscik, N Maritza Dowling, Catherine L Gallagher, Barbara B Bendlin, Cynthia M Carlsson, Sanjay Asthana, Bruce P Hermann, Mark A Sager, Sterling C Johnson, Dane B Cook, James H Stein, Ozioma C Okonkwo
The objective of this study was to examine the association of chronotropic response (CR) and heart rate (HR) recovery- two indices of cardiovascular function within the context of a graded exercise test- with cognitive performance in a cognitively healthy, late-middle-aged cohort at risk for Alzheimer's disease (AD). Ninety participants (age = 63.52±5.86 years; 65.6% female) from the Wisconsin Registry for Alzheimer's Prevention participated in this study. They underwent graded exercise testing and a comprehensive neuropsychological assessment that assessed the following four cognitive domains: Immediate Memory, Verbal & Learning Memory, Working Memory, and Speed & Flexibility...
December 1, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27909646/the-neural-mechanisms-of-meditative-practices-novel-approaches-for-healthy-aging
#2
REVIEW
Bianca P Acevedo, Sarah Pospos, Helen Lavretsky
OBJECTIVES: Meditation has been shown to have physical, cognitive, and psychological health benefits that can be used to promote healthy aging. However, the common and specific mechanisms of response remain elusive due to the diverse nature of mind-body practices. METHODS: In this review, we aim to compare the neural circuits implicated in focused-attention meditative practices that focus on present-moment awareness to those involved in active-type meditative practices (e...
2016: Current Behavioral Neuroscience Reports
https://www.readbyqxmd.com/read/27908782/adaptive-responses-of-neuronal-mitochondria-to-bioenergetic-challenges-roles-in-neuroplasticity-and-disease-resistance
#3
REVIEW
Sophia M Raefsky, Mark P Mattson
An important concept in neurobiology is "neurons that fire together, wire together" which means that the formation and maintenance of synapses is promoted by activation of those synapses. Very similar to the effects of the stress of exercise on muscle cells, emerging findings suggest that neurons respond to activity by activating signaling pathways (e.g., Ca(2+), CREB, PGC-1α, NF-κB) that stimulate mitochondrial biogenesis and cellular stress resistance. These pathways are also activated by aerobic exercise and food deprivation, two bioenergetic challenges of fundamental importance in the evolution of the brains of all mammals, including humans...
November 28, 2016: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/27904422/the-effect-of-preventive-therapeutic-and-protective-exercises-on-hippocampal-memory-mediators-in-stressed-rats
#4
Maryam Radahmadi, Nasrin Hosseini, Hojjatallah Alaei, Mohammad Reza Sharifi
BACKGROUND: Exercise plays a significant role in learning and memory. The present study focuses on the hippocampal corticosterone (CORT), interleukin-1 beta (IL-1β), glucose, and brain-derived neurotrophic factor (BDNF) levels in preventive, therapeutic, and protective exercises in stressful conditions. METHODS: Forty male rats were randomly divided into four groups: the control group and the preventive, therapeutic, and protective exercise groups. The treadmill running was applied at a speed of 20-21m/min and a chronic stress of 6 hours/day for 21 days...
September 2016: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/27897671/high-intensity-interval-exercise-promotes-motor-cortex-disinhibition-and-early-motor-skill-consolidation
#5
Ellen L Stavrinos, James P Coxon
Gamma-aminobutyric acid (GABA) inhibition shapes motor cortex output, gates synaptic plasticity in the form of long-term potentiation, and plays an important role in motor learning. Remarkably, recent studies have shown that acute cardiovascular exercise can improve motor memory, but the cortical mechanisms are not completely understood. We investigated whether an acute bout of lower-limb high-intensity interval (HIT) exercise could promote motor memory formation in humans through changes in cortical inhibition within the hand region of the primary motor cortex...
November 29, 2016: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/27895607/caffeine-enhances-memory-performance-in-young-adults-during-their-non-optimal-time-of-day
#6
Stephanie M Sherman, Timothy P Buckley, Elsa Baena, Lee Ryan
Many college students struggle to perform well on exams in the early morning. Although students drink caffeinated beverages to feel more awake, it is unclear whether these actually improve performance. After consuming coffee (caffeinated or decaffeinated), college-age adults completed implicit and explicit memory tasks in the early morning and late afternoon (Experiment 1). During the morning, participants ingesting caffeine demonstrated a striking improvement in explicit memory, but not implicit memory. Caffeine did not alter memory performance in the afternoon...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27889837/exercise-training-effects-on-memory-and-hippocampal-viscoelasticity-in-multiple-sclerosis-a-novel-application-of-magnetic-resonance-elastography
#7
Brian M Sandroff, Curtis L Johnson, Robert W Motl
INTRODUCTION: Cognitive impairment is common and debilitating among persons with multiple sclerosis (MS) and might be managed with exercise training. However, the effects of exercise training on viscoelastic brain properties in this population are unknown. The present pilot study adopted a single-blind randomized controlled trial (RCT) design and is the first to examine the effect of an aerobic exercise training intervention on learning and memory and hippocampal viscoelasticity using magnetic resonance elastography (MRE) in persons with MS...
November 26, 2016: Neuroradiology
https://www.readbyqxmd.com/read/27889264/recall-of-others-actions-after-incidental-encoding-reveals-episodic-like-memory-in-dogs
#8
Claudia Fugazza, Ákos Pogány, Ádám Miklósi
The existence of episodic memory in non-human animals is a debated topic that has been investigated using different methodologies that reflect diverse theoretical approaches to its definition. A fundamental feature of episodic memory is recalling after incidental encoding, which can be assessed if the recall test is unexpected [1]. We used a modified version of the "Do as I Do" method [2], relying on dogs' ability to imitate human actions, to test whether dogs can rely on episodic memory when recalling others' actions from the past...
November 22, 2016: Current Biology: CB
https://www.readbyqxmd.com/read/27878552/strength-and-aerobic-exercises-improve-spatial-memory-in-aging-rats-through-stimulating-distinct-neuroplasticity-mechanisms
#9
Thais Ceresér Vilela, Alexandre Pastoris Muller, Adriani Paganini Damiani, Tamires Pavei Macan, Sabrina da Silva, Paula Bortoluzzi Canteiro, Alisson de Sena Casagrande, Giulia Dos Santos Pedroso, Renata Tiscoski Nesi, Vanessa Moraes de Andrade, Ricardo Aurino de Pinho
Aging is associated with impaired cognition and memory and increased susceptibility to neurodegenerative disorders. Physical exercise is neuroprotective; however, the major evidence of this effect involves studies of only aerobic training in young animals. The benefits of other exercise protocols such as strength training in aged animals remains unknown. Here, we investigated the effect of aerobic and strength training on spatial memory and hippocampal plasticity in aging rats. Aging Wistar rats performed aerobic or strength training for 50 min 3 to 4 days/week for 8 weeks...
November 22, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27876478/physical-exercise-helped-to-maintain-and-restore-functioning-in-chinese-older-adults-with-mild-cognitive-impairment-a-5-year-prospective-study-of-the-hong-kong-memory-and-ageing-prospective-study-hk-maps
#10
Duan Yang Ma, Candy H Y Wong, Grace T Y Leung, Ada W T Fung, Wai Chi Chan, Linda C W Lam
OBJECTIVE: This study investigated the potential of physical exercise habit as a lifestyle modification against cognitive and functional decline at the community level. METHODS: A total of 454 community-dwelling Chinese older adults without dementia participated in the Hong Kong Memory and Ageing Prospective Study at baseline and follow-up at 5 years. Their cognitive and functional performances were assessed by the Cantonese version of the Mini-Mental State Examination (CMMSE) and the Chinese version of Disability Assessment in Dementia (DAD)...
November 18, 2016: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/27876096/a-randomised-controlled-trial-of-the-effects-of-very-low-carbohydrate-and-high-carbohydrate-diets-on-cognitive-performance-in-patients-with-type-2-diabetes
#11
Jeannie Tay, Ian T Zajac, Campbell H Thompson, Natalie D Luscombe-Marsh, Vanessa Danthiir, Manny Noakes, Jonathan D Buckley, Gary A Wittert, Grant D Brinkworth
This study compared the longer-term effects of a very low-carbohydrate, high-fat diet with a high-carbohydrate, low-fat diet on cognitive performance in individuals with type 2 diabetes (T2D). In total, 115 obese adults with T2D (sixty-six males, BMI: 34·6 (sd 4·3) kg/m2, age: 58 (sd 7) years, HbA1c: 7·3 (sd 1·1) %, diabetes duration: 8 (sd 6) years) were randomised to consume either an energy-restricted, very low-carbohydrate, low-saturated-fat (LC) diet or an energy-matched high unrefined carbohydrate, low-fat (HC) diet with supervised aerobic/resistance exercise (60 min, 3 d/week) for 52 weeks...
November 23, 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/27872402/effect-of-training-exercise-on-urinary-brain-derived-neurotrophic-factor-levels-and-cognitive-performances-in-overweight-and-obese-subjects-a-pilot-study
#12
Angelo Russo, Livia Buratta, Roberto Pippi, Cristina Aiello, Claudia Ranucci, Elisa Reginato, Valerio Santangelo, Pierpaolo DeFeo, Claudia Mazzeschi
Exercise-mediated, brain-derived neurotrophic factor induction benefits health and cognitive functions. The multifaceted interplay between physical activity, urinary brain-derived neurotrophic factor levels and cognitive functioning has been largely neglected in previous literature. In this pilot study, two bouts of training exercise (65% and 70% of heart rate reserve) influenced urinary brain-derived neurotrophic factor levels and cognitive performances in 12 overweight and obese participants. Percent heart rate reserve, expenditure energy, brain-derived neurotrophic factor urinary levels and cognitive performances were measured before and after the exercise...
November 21, 2016: Psychological Reports
https://www.readbyqxmd.com/read/27872372/do-infants-retain-the-statistics-of-a-statistical-learning-experience-insights-from-a-developmental-cognitive-neuroscience-perspective
#13
REVIEW
Rebecca L Gómez
Statistical structure abounds in language. Human infants show a striking capacity for using statistical learning (SL) to extract regularities in their linguistic environments, a process thought to bootstrap their knowledge of language. Critically, studies of SL test infants in the minutes immediately following familiarization, but long-term retention unfolds over hours and days, with almost no work investigating retention of SL. This creates a critical gap in the literature given that we know little about how single or multiple SL experiences translate into permanent knowledge...
January 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/27866512/age-related-epigenetic-regulation-in-the-brain-and-its-role-in-neuronal-diseases
#14
Jeongsil Kim-Ha, Young-Joon Kim
Accumulating evidence indicates many brain functions are mediated by epigenetic regulation of neural genes, and their dysregulations result in neuronal disorders. Experiences such as learning and recall, and physical exercise induce neuronal activation through epigenetic modifications and by changing noncoding RNA profiles. Animal models, brain samples from patients, and the development of diverse analytical methods have broadened our understanding of epigenetic regulation in the brain. Diverse and specific epigenetic changes are being suggested to correlate with neuronal development, learning and memory, aging and age-related neuronal diseases...
November 18, 2016: BMB Reports
https://www.readbyqxmd.com/read/27866236/effects-of-physical-exercise-on-markers-of-cellular-immunosenescence-a-systematic-review
#15
REVIEW
H Cao Dinh, I Beyer, T Mets, O O Onyema, R Njemini, W Renmans, M De Waele, K Jochmans, S Vander Meeren, I Bautmans
Aging affects negatively the immune system, defined as immunosenescence, which increases the susceptibility of elderly persons to infection, autoimmune disease, and cancer. There are strong indications that physical exercise in elderly persons may prevent the age-related decline in immune response without significant side effects. Consequently, exercise is being considered as a safe mode of intervention to reduce immunosenescence. The aim of this review was to appraise the existing evidence regarding the impact of exercise on surface markers of cellular immunosenescence in either young and old humans or animals...
November 19, 2016: Calcified Tissue International
https://www.readbyqxmd.com/read/27861563/binge-drinking-in-young-university-students-is-associated-with-alterations-in-executive-functions-related-to-their-starting-age
#16
Diana Salas-Gomez, Mario Fernandez-Gorgojo, Ana Pozueta, Isabel Diaz-Ceballos, Maider Lamarain, Carmen Perez, Pascual Sanchez-Juan
Our aim was to evaluate whether or not alcohol consumption in the form of binge drinking is associated with alterations of memory and executive functions in a population of university students. At the same time, we have studied the role of potential modulating factors, such as the APOE genotype or physical exercise.University students enrolled in academic year 2013-2014 at Escuelas Universitarias Gimbernat-Cantabria, affiliated with the University of Cantabria, were invited to participate in the study. We gathered sociodemographic data and details regarding the lifestyle of 206 students (mean age 19...
2016: PloS One
https://www.readbyqxmd.com/read/27861361/a-quantitative-real-time-assessment-of-buerger-exercise-on-dorsal-foot-peripheral-skin-circulation-in-patients-with-diabetes-foot
#17
Chang-Cheng Chang, Men-Yen Chen, Jen-Hsiang Shen, Yen Bin Lin, Wen-Wei Hsu, Bor-Shyh Lin
Buerger exercise can improve the peripheral circulation of lower extremities. However, the evidence and a quantitative assessment of skin perfusion immediately after this exercise in patients with diabetes feet are still rare.We recruited 30 patients with unilateral or bilateral diabetic ulcerated feet in Chang Gung Memorial Hospital, Chia-Yi Branch, from October 2012 to December 2013. Real-time dorsal foot skin perfusion pressures (SPPs) before and after Buerger exercise were measured and analyzed. In addition, the severity of ischemia and the presence of ulcers before exercise were also stratified...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27861023/exercise-helps-ward-off-memory-decline-in-older-people
#18
(no author information available yet)
Older people with memory and thinking problems could benefit from exercise, say researchers who studied 70 people with vascular dementia.
November 2, 2016: Nursing Standard
https://www.readbyqxmd.com/read/27849444/improved-executive-functions-in-6-12-year-old-children-following-cognitively-engaging-tennis-lessons
#19
Toru Ishihara, Shigemi Sugasawa, Yusuke Matsuda, Masao Mizuno
The aim of this cross-sectional study was to evaluate the relationships between cognitively engaging exercise (i.e., game-based and coordination exercises), executive functions (i.e., inhibitory control and working memory), and physical fitness. Forty junior tennis players (6-12 years old), who regularly participated in tennis lessons (2.55 years, SD = 1.61) prior to the study, were investigated. All participants completed evaluations of executive functions (inhibitory control and working memory) at rest...
November 16, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27848213/a-computational-cognitive-model-of-self-efficacy-and-daily-adherence-in-mhealth
#20
Peter Pirolli
Mobile health (mHealth) applications provide an excellent opportunity for collecting rich, fine-grained data necessary for understanding and predicting day-to-day health behavior change dynamics. A computational predictive model (ACT-R-DStress) is presented and fit to individual daily adherence in 28-day mHealth exercise programs. The ACT-R-DStress model refines the psychological construct of self-efficacy. To explain and predict the dynamics of self-efficacy and predict individual performance of targeted behaviors, the self-efficacy construct is implemented as a theory-based neurocognitive simulation of the interaction of behavioral goals, memories of past experiences, and behavioral performance...
December 2016: Translational Behavioral Medicine
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