Filters








986 Hits in 5.8 sec

Span, CRUNCH, and Beyond: Working Memory Capacity and the Aging Brain

Nils J. Schneider-Garces, Brian A. Gordon, Carrie R. Brumback-Peltz, Eunsam Shin, Yukyung Lee, Bradley P. Sutton, Edward L. Maclin, Gabriele Gratton, Monica Fabiani
2010 Journal of Cognitive Neuroscience  
The results suggest that age differences in brain activation can be largely attributed to individual variations in working memory span.  ...  Behavioral and Brain Sciences, 24, 87-114, 2001] model of working memory and theories of impaired inhibitory processes in aging.  ...  We wish to thank Kirk Erikson and Paige Scalf for advice regarding the fMRI analysis and Nelson Cowan and Kathy Low for helpful comments on an earlier version of this manuscript.  ... 
doi:10.1162/jocn.2009.21230 pmid:19320550 pmcid:PMC3666347 fatcat:3a7ec57z25blnb7hnsf662l5eq

Page 665 of Journal of Cognitive Neuroscience Vol. 22, Issue 4 [page]

2010 Journal of Cognitive Neuroscience  
In other words, the two age groups differed by more than one full item in terms of their memory span.  ...  CRUNCH is centered on the idea that differences in overrecruitment and underrecruitment of brain areas commonly observed between younger and older adults may reflect age-related differences in process-  ... 

To boost or to CRUNCH? Effect of effortful encoding on episodic memory in older adults is dependent on executive functioning

Li Fu, Joseph H. R. Maes, Roy P. C. Kessels, Sander M. Daselaar, Philip Allen
2017 PLoS ONE  
Results are consistent with the Compensation-Related Utilization of Neural Circuits Hypothesis (CRUNCH) and suggest that future research directed at developing efficient memory strategies to reduce negative  ...  Fifty-one older adults were recruited and divided into low (N = 26) and high (N = 25) functioning groups, based on their EF capacity.  ...  Acknowledgments We thank Robin Akkermans, Alina Strehl, and Annemieke Schreur for their assistance in recruitment and assessment of the participants.  ... 
doi:10.1371/journal.pone.0174217 pmid:28328979 pmcid:PMC5362088 fatcat:csmaxerxmrfgbjod6opgr3sixe

Dynamic range of frontoparietal functional modulation is associated with working memory capacity limitations in older adults

Jonathan G. Hakun, Nathan F. Johnson
2017 Brain and Cognition  
In addition, despite a lack of significant relationships between N-Back and complex span task performance, range of frontoparietal modulation during the N-Back significantly predicted domain-general estimates  ...  CRUNCH) but focus attention on dynamic range of functional modulation as a novel marker of WM capacity-limitations in older adults.  ...  Acknowledgments This study was supported by the National Institute on Aging of the National Institutes of Health under award number KL2 UL1TR000116.  ... 
doi:10.1016/j.bandc.2017.08.007 pmid:28865310 pmcid:PMC5779093 fatcat:j2suggiwgzgfzctrmbjgiyuiva

The Neural Language Systems That Support Healthy Aging: Integrating Function, Structure, and Behavior

Michele T. Diaz, Avery A. Rizio, Jie Zhuang
2016 Language and Linguistics Compass  
rely on frontal regions (e.g., executive function, working memory, inhibition).  ...  Although healthy aging is generally characterized by declines in both brain structure and function, there is variability in the extent to which these changes result in observable cognitive decline.  ...  We thank the staff and scientists at the Brain Imaging and Analysis Center for their support of this project, especially the center director Allen W. Song.  ... 
doi:10.1111/lnc3.12199 pmid:28210287 pmcid:PMC5304920 fatcat:ncqteqmrqvgjth7sn3nay4ssze

Neural Correlates of Working Memory Training: Evidence for Plasticity in Older Adults

Alexandru D. Iordan, Katherine A. Cooke, Kyle D. Moored, Benjamin Katz, Martin Buschkuehl, Susanne M. Jaeggi, Thad A. Polk, Scott J. Peltier, John Jonides, Patricia A. Reuter-Lorenz
2020 NeuroImage  
Brain activity typically increases with increasing working memory (WM) load, regardless of age, before reaching an apparent ceiling.  ...  However, older adults exhibit greater brain activity and reach ceiling at lower loads than younger adults, possibly reflecting compensation at lower loads and dysfunction at higher loads.  ...  The authors thank Krisanne Litinas for assistance with MRI data reconstruction and Daniel Weissman for comments on a previous version of the manuscript.  ... 
doi:10.1016/j.neuroimage.2020.116887 pmid:32376302 pmcid:PMC7755422 fatcat:uqziuhsh4zhutim22nko34t5si

Neural Correlates of Working Memory Training: Evidence for Plasticity in Older Adults [article]

Alexandru D Iordan, Katherine A Cooke, Kyle D Moored, Benjamin Katz, Martin Buschkuehl, Susanne M Jaeggi, Thad A Polk, Scott J Peltier, John Jonides, Patricia A Reuter-Lorenz
2019 bioRxiv   pre-print
Brain activity typically increases with increasing working memory (WM) load, regardless of age, before reaching an apparent ceiling.  ...  However, older adults exhibit greater brain activity and reach ceiling at lower loads than younger adults, possibly reflecting compensation at lower loads and dysfunction at higher loads.  ...  transfer to other working memory contexts.  ... 
doi:10.1101/869164 fatcat:22sx65whtzccpaqggkl3srmeda

A New Measure for Neural Compensation Is Positively Correlated With Working Memory and Gait Speed

Lanxin Ji, Godfrey D. Pearlson, Keith A. Hawkins, David C. Steffens, Hua Guo, Lihong Wang
2018 Frontiers in Aging Neuroscience  
We found that compensatory ability correlated with working memory performance (r = 0.528, p = 0.035).  ...  Neuroimaging studies suggest that older adults may compensate for declines in brain function and cognition through reorganization of neural resources.  ...  ; and Digit span for working memory.  ... 
doi:10.3389/fnagi.2018.00071 pmid:29615893 pmcid:PMC5868123 fatcat:46neg5bxz5a7bgajk224vzjqp4

Working Memory Load-Dependent Brain Response Predicts Behavioral Training Gains in Older Adults

S. Heinzel, R. C. Lorenz, W.-R. Brockhaus, T. Wustenberg, N. Kathmann, A. Heinz, M. A. Rapp
2014 Journal of Neuroscience  
In the domain of working memory (WM), a sigmoid-shaped relationship between WM load and brain activation patterns has been demonstrated in younger adults.  ...  training outcome beyond the effects of age, sex, education, gray matter volume, and baseline WM performance.  ...  . • Brain Response, Working Memory Training, and Aging  ... 
doi:10.1523/jneurosci.2463-13.2014 pmid:24453314 pmcid:PMC6705311 fatcat:cpo5bav3qfcjrbybxl6nc3unsi

Time for a Systems Biological Approach to Cognitive Aging?—A Critical Review

Deena Ebaid, Sheila G. Crewther
2020 Frontiers in Aging Neuroscience  
Indeed, such an integrated bio-cognitive model of aging has the potential to provide a more comprehensive understanding of attention, perception, learning, and memory across the lifespan.  ...  Thus, the aim of this review was to critically evaluate common theories of age-related cognitive decline and highlight the need for a more comprehensive systems neuroscience approach to cognitive aging  ...  working memory tasks and right PFC activation during spatial working memory tasks, whereas older adults demonstrate bilateral activation of the PFC while engaging in both verbal and spatial working memory  ... 
doi:10.3389/fnagi.2020.00114 pmid:32477097 pmcid:PMC7236912 fatcat:4zdtqnsdhzfwbc6rormge5tp3q

Executive functions and neurocognitive aging: dissociable patterns of brain activity

Gary R. Turner, R. Nathan Spreng
2012 Neurobiology of Aging  
of tasks associated with executive control processing: working memory and inhibition.  ...  during working memory.  ...  Supplementary data Supplementary data associated with this article can be found, in the online version, at doi: 10.1016/j.neurobiolaging. 2011.06.005.  ... 
doi:10.1016/j.neurobiolaging.2011.06.005 pmid:21791362 fatcat:woaoycqjjfdpzhgy4wpzp2skci

Bilateral recruitment of prefrontal cortex in working memory is associated with task demand but not with age

Melanie S. Höller-Wallscheid, Peter Thier, Jörn K. Pomper, Axel Lindner
2017 Proceedings of the National Academy of Sciences of the United States of America  
While using functional magnetic resonance imaging (fMRI), we pushed young and old subjects to their working memory (WM) capacity limits in verbal, spatial, and object domains.  ...  This phenomenon is largely confined to prefrontal cortex, which is arguably less specialized and more flexible than other parts of the brain. working memory | subjective task difficulty | lateralization  ...  , and the anonymous reviewers for their comments that helped to advance this work.  ... 
doi:10.1073/pnas.1601983114 pmid:28096364 pmcid:PMC5293052 fatcat:c32ozucacvcgdkz7lobmjt4kpq

Beyond Memory: The Crimean Tatars' Deportation and Return. By Greta Lynn Uehling (New York, Palgrave Macmillan, 2004) 333 pp. $79.95 cloth $26.95 paper

J. Otto Pohl
2007 Journal of Interdisciplinary History  
Tucker assesses a wide-ranging array of historical work (from Ranke to the Annales school and current scholars) in order to explore how historians operate in practice, and he writes sympathetically of  ...  Tucker acknowledges that historians reºect the interests and methods of their own era, but that means only that the historical context within which a work was written must be taken into account, not that  ...  brains," did not come close to generating the volume of data-processing work that would have justiªed buying expensive tabulators and computers.  ... 
doi:10.1162/jinh.2007.37.3.457 fatcat:ng7lgq564fet3ohek7wq3bkogm

Working Memory in Older Age [chapter]

Vanessa M. Loaiza, Klaus Oberauer
2016 Encyclopedia of Geropsychology  
Synonyms Working memory capacity; Short-term memory; Working memory updating; Updating and monitoring Definition Working memory (WM) refers to the immediate and limited memory system that is responsible  ...  in older adults, the neural signatures of WM in the aging brain, and whether it is possible to train WM in order to yield improvements to other areas of cognition across the life-span.  ...  Working Memory in the Aging Brain The advent of neuroscientific techniques has also been considerably important to scientists' understanding of the underlying brain mechanisms that correspond to age-related  ... 
doi:10.1007/978-981-287-080-3_208-2 fatcat:agygbgb33bc5tad4jgihgrzun4

Neurofeedback Training on Aging: Prospects on Maintaining Cognitive Reserve [chapter]

Valeska Kouzak Campos da Paz, Carlos Tomaz
2020 Mental Disorders [Working Title]  
Cognitive decline affects working memory, which involves the medial temporal lobe-an important area for temporarily storing information-and recruits the prefrontal cortex, an area associated with higher  ...  These methods may be used to increase brain reserve and help the elderly maintain a socially active life.  ...  Ana Garcia for assistance in analysis of the data and Psy. Aloysio Campos da Paz Neto for the protocol design and the Laboratory of Neuroscience and Behavior at the University of Brasília, Brazil.  ... 
doi:10.5772/intechopen.90847 fatcat:njwg232g3bdabpxy2ohhjzreje
« Previous Showing results 1 — 15 out of 986 results