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Exercise training older brain fmri

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https://www.readbyqxmd.com/read/27148041/exergame-and-balance-training-modulate-prefrontal-brain-activity-during-walking-and-enhance-executive-function-in-older-adults
#1
Patrick Eggenberger, Martin Wolf, Martina Schumann, Eling D de Bruin
Different types of exercise training have the potential to induce structural and functional brain plasticity in the elderly. Thereby, functional brain adaptations were observed during cognitive tasks in functional magnetic resonance imaging studies that correlated with improved cognitive performance. This study aimed to investigate if exercise training induces functional brain plasticity during challenging treadmill walking and elicits associated changes in cognitive executive functions. Forty-two elderly participants were recruited and randomly assigned to either interactive cognitive-motor video game dancing (DANCE) or balance and stretching training (BALANCE)...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27001615/therapeutically-relevant-structural-and-functional-mechanisms-triggered-by-physical-and-cognitive-exercise
#2
C Suo, M F Singh, N Gates, W Wen, P Sachdev, H Brodaty, N Saigal, G C Wilson, J Meiklejohn, N Singh, B T Baune, M Baker, N Foroughi, Y Wang, Y Mavros, A Lampit, I Leung, M J Valenzuela
Physical and cognitive exercise may prevent or delay dementia in later life but the neural mechanisms underlying these therapeutic benefits are largely unknown. We examined structural and functional magnetic resonance imaging (MRI) brain changes after 6 months of progressive resistance training (PRT), computerized cognitive training (CCT) or combined intervention. A total of 100 older individuals (68 females, average age=70.1, s.d.±6.7, 55-87 years) with dementia prodrome mild cognitive impairment were recruited in the SMART (Study of Mental Activity and Resistance Training) Trial...
March 22, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/26782858/exercise-mode-moderates-the-relationship-between-mobility-and-basal-ganglia-volume-in-healthy-older-adults
#3
RANDOMIZED CONTROLLED TRIAL
Lindsay S Nagamatsu, Andrea M Weinstein, Kirk I Erickson, Jason Fanning, Elizabeth A Awick, Arthur F Kramer, Edward McAuley
OBJECTIVES: To examine whether 12 months of aerobic training (AT) moderated the relationship between change in mobility and change in basal ganglia volume than balance and toning (BAT) exercises in older adults. DESIGN: Secondary analysis of a randomized controlled trial. SETTING: Champaign-Urbana, Illinois. PARTICIPANTS: Community-dwelling older adults (N=101; mean age 66.4). INTERVENTION: Twelve-month exercise trial with two groups: AT and BAT...
January 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/25828973/brain-mechanisms-underlying-urge-incontinence-and-its-response-to-pelvic-floor-muscle-training
#4
Derek Griffiths, Becky Clarkson, Stasa D Tadic, Neil M Resnick
PURPOSE: Urge urinary incontinence is a major problem, especially in the elderly, and to our knowledge the underlying mechanisms of disease and therapy are unknown. We used biofeedback assisted pelvic floor muscle training and functional brain imaging (functional magnetic resonance imaging) to investigate cerebral mechanisms, aiming to improve the understanding of brain-bladder control and therapy. MATERIALS AND METHODS: Before receiving biofeedback assisted pelvic floor muscle training functionally intact, older community dwelling women with urge urinary incontinence as well as normal controls underwent comprehensive clinical and bladder diary evaluation, urodynamic testing and brain functional magnetic resonance imaging...
September 2015: Journal of Urology
https://www.readbyqxmd.com/read/25810927/combined-cognitive-psychological-physical-intervention-induces-reorganization-of-intrinsic-functional-brain-architecture-in-older-adults
#5
Zhiwei Zheng, Xinyi Zhu, Shufei Yin, Baoxi Wang, Yanan Niu, Xin Huang, Rui Li, Juan Li
Mounting evidence suggests that enriched mental, physical, and socially stimulating activities are beneficial for counteracting age-related decreases in brain function and cognition in older adults. Here, we used functional magnetic resonance imaging (fMRI) to demonstrate the functional plasticity of brain activity in response to a combined cognitive-psychological-physical intervention and investigated the contribution of the intervention-related brain changes to individual performance in healthy older adults...
2015: Neural Plasticity
https://www.readbyqxmd.com/read/24038949/greater-bold-response-to-working-memory-in-endurance-trained-adults-revealed-by-breath-hold-calibration
#6
Mitzi M Gonzales, Takashi Tarumi, Jeanette A Mumford, Ryan C Ellis, Jessica R Hungate, Martha Pyron, Hirofumi Tanaka, Andreana P Haley
BACKGROUND: Cardiorespiratory fitness is associated with increased frontal and parietal activation during executive function tasks. While these findings suggest fitness-related enhancement of neuronal response, the utility of functional magnetic resonance imaging (fMRI) may be limited by potential fitness-related differences in global vascular reactivity. The aim of this study was to determine if highly fit adults display differential activation during working memory after calibration for vascular reactivity relative to their sedentary counterparts...
July 2014: Human Brain Mapping
https://www.readbyqxmd.com/read/23803298/semantic-memory-functional-mri-and-cognitive-function-after-exercise-intervention-in-mild-cognitive-impairment
#7
J Carson Smith, Kristy A Nielson, Piero Antuono, Jeri-Annette Lyons, Ryan J Hanson, Alissa M Butts, Nathan C Hantke, Matthew D Verber
Mild cognitive impairment (MCI) is associated with early memory loss, Alzheimer's disease (AD) neuropathology, inefficient or ineffective neural processing, and increased risk for AD. Unfortunately, treatments aimed at improving clinical symptoms or markers of brain function generally have been of limited value. Physical exercise is often recommended for people diagnosed with MCI, primarily because of its widely reported cognitive benefits in healthy older adults. However, it is unknown if exercise actually benefits brain function during memory retrieval in MCI...
2013: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/20890449/plasticity-of-brain-networks-in-a-randomized-intervention-trial-of-exercise-training-in-older-adults
#8
Michelle W Voss, Ruchika S Prakash, Kirk I Erickson, Chandramallika Basak, Laura Chaddock, Jennifer S Kim, Heloisa Alves, Susie Heo, Amanda N Szabo, Siobhan M White, Thomas R Wójcicki, Emily L Mailey, Neha Gothe, Erin A Olson, Edward McAuley, Arthur F Kramer
Research has shown the human brain is organized into separable functional networks during rest and varied states of cognition, and that aging is associated with specific network dysfunctions. The present study used functional magnetic resonance imaging (fMRI) to examine low-frequency (0.008 < f < 0.08 Hz) coherence of cognitively relevant and sensory brain networks in older adults who participated in a 1-year intervention trial, comparing the effects of aerobic and non-aerobic fitness training on brain function and cognition...
2010: Frontiers in Aging Neuroscience
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