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Muscle tension induced after learning enhances long-term narrative and visual memory in healthy older adults

Overview of attention for article published in Neurobiology of Learning & Memory, January 2014
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Title
Muscle tension induced after learning enhances long-term narrative and visual memory in healthy older adults
Published in
Neurobiology of Learning & Memory, January 2014
DOI 10.1016/j.nlm.2014.01.008
Pubmed ID
Authors

Kristy A. Nielson, Laura L. Wulff, Timothy J. Arentsen

Abstract

Arousing events are better remembered than mundane events. Indeed, manipulation of arousal, such as by muscle tension, can influence memory even when it occurs shortly after learning. Indeed, our founding study showed this approach can raise delayed memory performance in older adults to a level comparable to that of unaided young adults. Yet, systematic studies, especially those investigating different modalities or types of memory, have not been done. This study investigated the effects of a brief bout of isometric exercise via handgrip on narrative and visuospatial episodic memory in healthy elders. Forty-seven participants completed the Logical Memory subtest of the Wechsler Memory Scales III (LM) and the Benton Visual Retention Test (BVRT), followed alternately by no treatment and by moderately squeezing a sand-filled latex ball for 1-min (counterbalanced order and test forms). Isometric exercise significantly increased both positive and negative affect ratings. Retention was tested 2 weeks later. Delayed recall and recognition of LM was enhanced by arousal relative to control, as was recognition of the BVRT. The results extend past findings that muscle tension induced after learning modulates memory consolidation, extending findings in elders to suggest that a simple form of isometric exercise can have practical effects, such as aiding memory for stories and images.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 53 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Canada 1 2%
Unknown 52 98%

Demographic breakdown

Readers by professional status Count As %
Student > Master 8 15%
Student > Doctoral Student 8 15%
Researcher 7 13%
Student > Ph. D. Student 6 11%
Student > Bachelor 3 6%
Other 10 19%
Unknown 11 21%
Readers by discipline Count As %
Psychology 15 28%
Nursing and Health Professions 5 9%
Agricultural and Biological Sciences 3 6%
Social Sciences 3 6%
Neuroscience 3 6%
Other 12 23%
Unknown 12 23%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 02 May 2014.
All research outputs
#20,655,488
of 25,373,627 outputs
Outputs from Neurobiology of Learning & Memory
#1,133
of 1,450 outputs
Outputs of similar age
#244,057
of 321,171 outputs
Outputs of similar age from Neurobiology of Learning & Memory
#26
of 33 outputs
Altmetric has tracked 25,373,627 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,450 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.7. This one is in the 11th percentile – i.e., 11% of its peers scored the same or lower than it.
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We're also able to compare this research output to 33 others from the same source and published within six weeks on either side of this one. This one is in the 9th percentile – i.e., 9% of its contemporaries scored the same or lower than it.