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Exercise cognition brain

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https://www.readbyqxmd.com/read/28422707/factors-underlying-cognitive-decline-in-old-age-and-alzheimer-s-disease-the-role-of-the-hippocampus
#1
Wafa Jaroudi, Julia Garami, Sandra Garrido, Michael Hornberger, Szabolcs Keri, Ahmed A Moustafa
There are many factors that strongly influence the aetiology, development, and progression of cognitive decline in old age, mild cognitive impairment (MCI), and Alzheimer's disease (AD). These factors include not only different personality traits and moods but also lifestyle patterns (e.g. exercise and diet) and awareness levels that lead to cognitive decline in old age. In this review, we discuss how personality traits, mood states, and lifestyle impact brain and behaviour in older adults. Specifically, our review shows that these lifestyle and personality factors affect several brain regions, including the hippocampus, a region key for memory that is affected by cognitive decline in old age as well as AD...
April 19, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28420673/a-single-bout-of-high-intensity-interval-training-reduces-awareness-of-subsequent-hypoglycemia-in-patients-with-type-1-diabetes
#2
Hanne M Rooijackers, Evita C Wiegers, Marinette van der Graaf, Dick H Thijssen, Roy P C Kessels, Cees J Tack, Bastiaan E de Galan
High-intensity interval training (HIIT) gains increasing popularity in patients with diabetes. HIIT acutely increases plasma lactate levels. This may be important, since administration of lactate during hypoglycemia suppresses symptoms and counterregulation, whilst preserving cognitive function. We tested the hypothesis that HIIT acutely reduces awareness of hypoglycemia and attenuates hypoglycemia-induced cognitive dysfunction. In a randomized crossover trial, patients with type 1 diabetes and normal awareness of hypoglycemia (NAH), patients with impaired awareness of hypoglycemia (IAH), and healthy participants (n=10 per group) underwent a hyperinsulinemic-hypoglycemic (2...
April 18, 2017: Diabetes
https://www.readbyqxmd.com/read/28397310/creatine-supplementation-reduces-sleep-need-and-homeostatic-sleep-pressure-in-rats
#3
Markus Dworak, Tae Kim, Robert W Mccarley, Radhika Basheer
Sleep has been postulated to promote brain energy restoration. It is as yet unknown if increasing the energy availability within the brain reduces sleep need. The guanidine amino acid creatine (Cr) is a well-known energy booster in cellular energy homeostasis. Oral Cr-monohydrate supplementation (CS) increases exercise performance and has been shown to have substantial effects on cognitive performance, neuroprotection and circadian rhythms. The effect of CS on cellular high-energy molecules and sleep-wake behaviour is unclear...
April 11, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28392370/out-of-hospital-cardiac-arrest-survivors-with-cognitive-impairments-have-lower-exercise-capacity
#4
Liesbeth W Boyce, Carlien C Reinders, Gerard Volker, Esther Los, Henk J van Exel, Thea P M Vliet Vlieland, Paulien H Goossens
BACKGROUND: Hypoxic brain injury is described in up to 40% of survivors after out-of-hospital cardiac arrest (OHCA). Besides cognitive impairments, lack of circulation may also affect exercise capacity. It is not known if exercise capacity of patients with cognitive impairments differs from other OHCA survivors. METHODS: This retrospective cohort study included patients ≥18 years with myocardial infarction (MI) as cause of OHCA admitted for cardiac rehabilitation between February 2011 and April 2014...
April 6, 2017: Resuscitation
https://www.readbyqxmd.com/read/28391368/effects-of-auditory-distraction-on-voluntary-movements-exploring-the-underlying-mechanisms-associated-with-parallel-processing
#5
Marcelo Bigliassi, Costas I Karageorghis, Alexander V Nowicky, Michael J Wright, Guido Orgs
Highly demanding cognitive-motor tasks can be negatively influenced by the presence of auditory stimuli. The human brain attempts to partially suppress the processing of potential distractors in order that motor tasks can be completed successfully. The present study sought to further understand the attentional neural systems that activate in response to potential distractors during the execution of movements. Nineteen participants (9 women and 10 men) were administered isometric ankle-dorsiflexion tasks for 10 s at a light intensity...
April 8, 2017: Psychological Research
https://www.readbyqxmd.com/read/28390878/protective-effects-of-different-exercise-modalities-in-an-alzheimer-s-disease-like-model
#6
Dilek Özbeyli, Gülce Sarı, Naziye Özkan, Betül Karademir, Meral Yüksel, Özlem Tuğçe Çilingir Kaya, Özgür Kasımay Çakır
Our aim was to investigate the probable protective effects of aerobic, resistance and combined exercise methods on ovariectomy and d-galactose induced Alzheimer's Disease (AD)-like model. d-galactose (100mg/kg) or saline were administered intraperitoneally for 6 weeks to ovariectomized or sham-operated rats (n=8/group). Aerobic (AE), resistance (RE) and combined exercises (CE) (aerobic+resistance) were performed for 3 times a week for 6 weeks. Anxiety level and cognitive functions were evaluated via hole-board and object recognition tests...
April 5, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28388699/training-enhances-attentional-expertise-but-not-attentional-capacity-evidence-from-content-specific-training-benefits
#7
Roger W Strong, George A Alvarez
Cognitive training has become a billion-dollar industry with the promise that exercising a cognitive faculty (e.g., attention) on simple "brain games" will lead to improvements on any task relying on the same faculty. Although this logic seems sound, it assumes performance improves on training tasks because attention's capacity has been enhanced. Alternatively, training may result in attentional expertise-an enhancement of the ability to deploy attention to particular content-such that improvement on training tasks is specific to the features of the training context...
April 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28382744/exercise-and-bdnf-reduce-a%C3%AE-production-by-enhancing-%C3%AE-secretase-processing-of-app
#8
Saket M Nigam, Shaohua Xu, Joanna S Kritikou, Krisztina Marosi, Lennart Brodin, Mark P Mattson
Alzheimer's disease (AD) is an age-related neurodegenerative disorder characterized by aggregation of toxic forms of amyloid β peptide (Aβ). Treatment strategies have largely been focused on inhibiting the enzymes (β- and γ-secretases) that liberate Aβ from the amyloid precursor protein (APP). While evidence suggests that individuals who exercise regularly are at reduced risk for AD and studies of animal models demonstrate that running can ameliorate brain Aβ pathology and associated cognitive deficits, the underlying mechanisms are unknown...
April 6, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28382606/exercise-strategies-to-counteract-brain-aging-effects
#9
Dominika Szalewska, Marek Radkowski, Urszula Demkow, Pawel J Winklewski
Stimulating structural and functional adaptation that improves cognitive performance in specific tasks is the major objective of therapeutic exercise training. In this review we briefly summarize central physiological mechanisms activated by exercise. We further discuss the influence of different kinds of exercise on cognitive improvement. In particular, the effects on cognitive function of aerobic endurance, resistance and respiratory exercise, and combinations thereof are presented. The accumulating evidence reinforces the position that regular aerobic, and possibly also resistance training, offers a powerful tool to cope with biologic aging of central nervous system functions...
April 6, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28381107/impaired-cognitive-performance-in-youth-athletes-exposed-to-repetitive-head-impacts
#10
Inga Katharina Koerte, Elizabeth Nichols, Yorghos Tripodis, Vivian Schultz, Stefan Lehner, Randy Igbinoba, Alice Z Chuang, Michael Mayinger, Eliana Klier, Marc Muehlmann, David Kaufmann, Christian Lepage, Florian Heinen, Gerd Schulte-Koerne, Ross D Zafonte, Martha E Shenton, Anne B Sereno
BACKGROUND: Worldwide more than 22 million children and adolescents are exposed to repetitive head impacts (RHI) in soccer. Evidence indicates cumulative effects on brain structure, but it is not known whether exposure to RHI affects cognitive improvement in adolescents. To determine whether exposure to RHI while heading the ball in soccer affects improvement in cognitive performance in adolescents over time. METHODS: The study group consisted of a convenience sample of 16 male soccer players (mean age 15...
April 5, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28375209/stress-and-adolescent-hippocampal-neurogenesis-diet-and-exercise-as-cognitive-modulators
#11
REVIEW
C M Hueston, J F Cryan, Y M Nolan
Adolescence is a critical period for brain maturation. Deciphering how disturbances to the central nervous system at this time affect structure, function and behavioural outputs is important to better understand any long-lasting effects. Hippocampal neurogenesis occurs during development and continues throughout life. In adulthood, integration of these new cells into the hippocampus is important for emotional behaviour, cognitive function and neural plasticity. During the adolescent period, maturation of the hippocampus and heightened levels of hippocampal neurogenesis are observed, making alterations to neurogenesis at this time particularly consequential...
April 4, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28352225/evolution-of-neuroplasticity-in-response-to-physical-activity-in-old-age-the-case-for-dancing
#12
Patrick Müller, Kathrin Rehfeld, Marlen Schmicker, Anita Hökelmann, Milos Dordevic, Volkmar Lessmann, Tanja Brigadski, Jörn Kaufmann, Notger G Müller
From animal research, it is known that combining physical activity with sensory enrichment has stronger and longer-lasting effects on the brain than either treatment alone. For humans dancing has been suggested to be analogous to such combined training. Here we assessed whether a newly designed dance training program that stresses the constant learning of new movement patterns is superior in terms of neuroplasticity to conventional fitness activities with repetitive exercises and whether extending the training duration has additional benefits...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28339428/does-conservative-treatment-change-the-brain-in-patients-with-chronic-musculoskeletal-pain-a-systematic-review
#13
Jeroen Kregel, Iris Coppieters, Robby DePauw, Anneleen Malfliet, Lieven Danneels, Jo Nijs, Barbara Cagnie, Mira Meeus
BACKGROUND: Chronic musculoskeletal pain is characterized by maladaptive central neuroplastic changes. Many observational studies have demonstrated that chronic pain states are associated with brain alterations regarding structure and/or function. Rehabilitation of patients with chronic musculoskeletal pain may include cognitive, exercise, or multimodal therapies. OBJECTIVE: The current review aims to provide a constructive overview of the existing literature reporting neural correlates, based on brain magnetic resonance imaging (MRI) techniques, following conservative treatment in chronic musculoskeletal pain patients...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28330458/the-effects-of-an-extensive-exercise-programme-on-the-progression-of-mild-cognitive-impairment-mci-study-protocol-for-a-randomised-controlled-trial
#14
Kate E Devenney, Brian Lawlor, Marcel G M Olde Rikkert, Stefan Schneider
BACKGROUND: Exercise interventions to prevent dementia and delay cognitive decline have gained considerable attention in recent years. Human and animal studies have demonstrated that regular physical activity targets brain function by increasing cognitive reserve. There is also evidence of structural changes caused by exercise in preventing or delaying the genesis of neurodegeneration. Although initial studies indicate enhanced cognitive performance in patients with mild cognitive impairment (MCI) following an exercise intervention, little is known about the effect of an extensive, controlled and regular exercise regimen on the neuropathology of patients with MCI...
March 22, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28329359/larger-lateral-prefrontal-cortex-volume-predicts-better-exercise-adherence-among-older-women-evidence-from-two-exercise-training-studies
#15
John R Best, Bryan K Chiu, Peter A Hall, Teresa Liu-Ambrose
Background: Recent research has suggested an important role of lateral prefrontal cortex (lPFC) in consistent implementation of positive health behaviors and avoidance of negative health behaviors. Methods: We examined whether gray matter volume in the lPFC prospectively predicts exercise class attendance among older women (n = 122) who underwent either a 52-week or 26-week exercise training intervention. Structural magnetic resonance imaging determined gray matter volume at baseline...
March 17, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28326852/sleep-outcomes-following-sleep-hygiene-related-interventions-for-individuals-with-traumatic-brain-injury-a-systematic-review
#16
Stefan Bogdanov, Sharon Naismith, Suncica Lah
BACKGROUND: Sleep disturbance is commonly reported following traumatic brain injury (TBI) and can adversely impact health and wellbeing and interfere with the rehabilitation process. As such, effective treatment of sleep disturbance is critical for overall recovery. Sleep hygiene, which is non-invasive, low cost, and low risk, could serve as a suitable first line of treatment for individuals experiencing sleep disturbance post-TBI. OBJECTIVE: To assess the efficacy of sleep hygiene on sleep outcomes post-TBI...
2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28318450/repeated-sprints-in-fasted-state-impair-reaction-time-performance
#17
Anissa Cherif, Romain Meeusen, Abdulaziz Farooq, Walid Briki, Mohamed Amine Fenneni, Karim Chamari, Bart Roelands
OBJECTIVE: The aim of this study was to assess the effects of 3-day Islamic intermittent fasting (3d-IF) on cognitive performance and serum levels of neurotrophic factors (brain-derived neurotrophic factor [BDNF] and vascular endothelial growth factor [VEGF]) before and after repeated sprints. METHODS: Twenty-one physically active male Muslims (29.8 ± 5.9 years, exercising 4 ± 1.5 times/week) were randomly assigned to one of 2 experimental sessions: the control or nonfasting session (CS) or the fasting session (FS)...
March 20, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28304298/exercise-training-and-functional-connectivity-changes-in-mild-cognitive-impairment-and-healthy-elders
#18
Theresa J Chirles, Katherine Reiter, Lauren R Weiss, Alfonso J Alfini, Kristy A Nielson, J Carson Smith
BACKGROUND: Effective interventions are needed to improve brain function in mild cognitive impairment (MCI), an early stage of Alzheimer's disease (AD). The posterior cingulate cortex (PCC)/precuneus is a hub of the default mode network (DMN) and is preferentially vulnerable to disruption of functional connectivity in MCI and AD. OBJECTIVE: We investigated whether 12 weeks of aerobic exercise could enhance functional connectivity of the PCC/precuneus in MCI and healthy elders...
March 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28302704/swimming-attenuates-d-galactose-induced-brain-aging-via-suppressing-mir-34a-mediated-autophagy-impairment-and-abnormal-mitochondrial-dynamics
#19
Xianjuan Kou, Jie Li, Xingran Liu, Jingru Chang, Qingxia Zhao, Shaohui Jia, Jingjing Fan, Ning Chen
MicroRNAs (miRNAs) have been reported to be involved in many neurodegenerative diseases. In order to explore the regulatory role of miR-34a in aging-related diseases such as Alzheimer's disease (AD) during exercise intervention, we constructed a rat model with (D-galactose) D-gal-induced oxidative stress and cognitive impairment coupled with dysfunctional autophagy and abnormal mitochondrial dynamics, determined the mitigation of cognitive impairment of D-gal-induced aging rats during swimming intervention, and evaluated miR-34a-mediated functional status of autophagy and abnormal mitochondrial dynamics...
March 16, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28299206/nonpharmacological-interventions-in-targeting-pain-related-brain-plasticity
#20
REVIEW
Maral Tajerian, J David Clark
Chronic pain is a highly prevalent and debilitating condition that is frequently associated with multiple comorbid psychiatric conditions and functional, biochemical, and anatomical alterations in various brain centers. Due to its widespread and diverse manifestations, chronic pain is often resistant to classical pharmacological treatment paradigms, prompting the search for alternative treatment approaches that are safe and efficacious. The current review will focus on the following themes: attentional and cognitive interventions, the role of global environmental factors, and the effects of exercise and physical rehabilitation in both chronic pain patients and preclinical pain models...
2017: Neural Plasticity
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