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Published on Dec 1, 2018in International Journal of Psychophysiology 2.41
Matthew B. Pontifex33
Estimated H-index: 33
(MSU: Michigan State University),
Kathryn L. Gwizdala3
Estimated H-index: 3
(MSU: Michigan State University)
+ 2 AuthorsMichelle W. Voss48
Estimated H-index: 48
(UI: University of Iowa)
Abstract Cognitive enhancements following a single bout of exercise are frequently attributed to increases in cerebral blood flow, however to date we have little understanding of the extent to which such bouts of exercise actually even influence cerebral blood flow following the cessation of exercise. To gain such insight, both regional and global changes in cerebral blood flow were assessed using 3D pseudo-continuous arterial spin-labeled magnetic resonance imaging in a sample of 41 preadolesce...
Kazuya Suwabe7
Estimated H-index: 7
(University of Tsukuba),
Kyeongho Byun7
Estimated H-index: 7
(University of Tsukuba)
+ 10 AuthorsKenji Suzuki12
Estimated H-index: 12
(University of Tsukuba)
Physical exercise has beneficial effects on neurocognitive function, including hippocampus-dependent episodic memory. Exercise intensity level can be assessed according to whether it induces a stress response; the most effective exercise for improving hippocampal function remains unclear. Our prior work using a special treadmill running model in animals has shown that stress-free mild exercise increases hippocampal neuronal activity and promotes adult neurogenesis in the dentate gyrus (DG) of th...
Published on Aug 1, 2016in Journal of Sport & Exercise Psychology 2.43
Jennifer L. Etnier28
Estimated H-index: 28
,
Laurie Wideman23
Estimated H-index: 23
+ 4 AuthorsKatie Becofsky2
Estimated H-index: 2
Acute exercise benefits cognition, and some evidence suggests that brain-derived neurotrophic factor (BDNF) plays a role in this effect. The purpose of this study was to explore the dose–response relationship between exercise intensity, memory, and BDNF. Young adults completed 3 exercise sessions at different intensities relative to ventilator threshold (Vt) (VO2max, Vt – 20%, Vt + 20%). For each session, participants exercised for approximately 30 min. Following exercise, they performed the Rey...
Published on May 1, 2015in NeuroImage 5.81
Stephen M. Rao63
Estimated H-index: 63
(Cleveland Clinic),
Aaron Bonner-Jackson11
Estimated H-index: 11
(Cleveland Clinic)
+ 4 AuthorsSally Durgerian18
Estimated H-index: 18
(MCW: Medical College of Wisconsin)
Abstract Healthy aging is associated with cognitive declines typically accompanied by increased task-related brain activity in comparison to younger counterparts. The Scaffolding Theory of Aging and Cognition (STAC) (Park and Reuter-Lorenz, 2009; Reuter-Lorenz and Park, 2014) posits that compensatory brain processes are responsible for maintaining normal cognitive performance in older adults, despite accumulation of aging-related neural damage. Cross-sectional studies indicate that cognitively i...
Published on Nov 1, 2014in Acta Psychologica 1.59
Lisa Weinberg1
Estimated H-index: 1
(Georgia Institute of Technology),
Anita Hasni1
Estimated H-index: 1
(Georgia Institute of Technology)
+ 1 AuthorsAudrey Duarte21
Estimated H-index: 21
(Georgia Institute of Technology)
Abstract Acute aerobic exercise can be beneficial to episodic memory. This benefit may occur because exercise produces a similar physiological response as physical stressors. When administered during consolidation, acute stress, both physical and psychological, consistently enhances episodic memory, particularly memory for emotional materials. Here we investigated whether a single bout of resistance exercise performed during consolidation can produce episodic memory benefits 48 h later. We used ...
Published on Sep 1, 2014in Neuropsychology Review 5.74
Patricia A. Reuter-Lorenz53
Estimated H-index: 53
(UM: University of Michigan),
Denise C. Park69
Estimated H-index: 69
(UTD: University of Texas at Dallas)
“The Scaffolding Theory of Aging and Cognition (STAC)”, proposed in 2009, is a conceptual model of cognitive aging that integrated evidence from structural and functional neuroimaging to explain how the combined effects of adverse and compensatory neural processes produce varying levels of cognitive function. The model made clear and testable predictions about how different brain variables, both structural and functional, were related to cognitive function, focusing on the core construct of comp...
Published on Apr 1, 2014in Age 4.65
Rui Nouchi22
Estimated H-index: 22
(Tohoku University),
Yasuyuki Taki34
Estimated H-index: 34
(Tohoku University)
+ 5 AuthorsRyuta Kawashima60
Estimated H-index: 60
(Tohoku University)
Previous reports have described that long-term combination exercise training improves cognitive functions in healthy elderly people. This study investigates the effects of 4 weeks of short-term combination exercise training on various cognitive functions of elderly people. We conducted a single-blinded randomized controlled trial with two parallel groups. Sixty-four healthy older adults were assigned randomly to a combination exercise training group or a waiting list control group. Participants ...
Published on Jan 8, 2014in PLOS ONE 2.78
Bradley J. MacIntosh24
Estimated H-index: 24
(U of T: University of Toronto),
David E. Crane10
Estimated H-index: 10
(Sunnybrook Research Institute)
+ 4 AuthorsLaura E. Middleton17
Estimated H-index: 17
(UW: University of Waterloo)
Purpose: Despite the generally accepted view that aerobic exercise can have positive effects on brain health, few studies have measured brain responses to exercise over a short time span. The purpose of this study was to examine the impact within one hour of a single bout of exercise on brain perfusion and neuronal activation. Methods: Healthy adults (n=16; age range: 20–35 yrs) were scanned using Magnetic Resonance Imaging (MRI) before and after 20 minutes of exercise at 70% of their age-predic...
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