A Pilot Study on the Stand and Walk (SAW), a Dual-task Measure for Concussion Assessment

2018 ◽  
Vol 99 (11) ◽  
pp. e153
Author(s):  
Johna Register-Mihalik ◽  
Julianna Prim ◽  
Karen McCulloch
Keyword(s):  
1992 ◽  
Vol 36 (18) ◽  
pp. 1398-1402
Author(s):  
Pamela S. Tsang ◽  
Tonya L. Shaner

The secondary task technique was used to test two alternative explanations of dual task decrement: outcome conflict and resource allocation. Subjects time-shared a continuous tracking task and a discrete Sternberg memory task. The memory probes were presented under three temporal predictability conditions. Dual task performance decrements in both the tracking and memory tasks suggested that the two tasks competed for some common resources, processes, or mechanisms. Although performance decrements were consistent with both the outcome conflict and resource allocation explanations, the two explanations propose different mechanisms by which the primary task could be protected from interference from the concurrent secondary task. The primary task performance could be protected by resource allocation or by strategic sequencing of the processing of the two tasks in order to avoid outcome conflict. In addition to examining the global trial means, moment-by-moment tracking error time-locked to the memory probe was also analyzed. There was little indication that the primary task was protected by resequencing of the processing of the two tasks. This together with the suggestion that predictable memory probes led to better protected primary task performance than less predictable memory probes lend support for the resource explanation.


Author(s):  
Daniele Caligiore ◽  
Magda Mustile ◽  
Alissa Fineschi ◽  
Laura Romano ◽  
Fabrizio Piras ◽  
...  

Aging ◽  
2020 ◽  
Vol 12 (19) ◽  
pp. 18957-18969
Author(s):  
Jieun Yoon ◽  
Hiroko Isoda ◽  
Tomohiro Okura

2020 ◽  
Vol 11 ◽  
Author(s):  
Santos Villafaina ◽  
Juan Pedro Fuentes-García ◽  
Ricardo Cano-Plasencia ◽  
Narcis Gusi

Author(s):  
Uros Marusic ◽  
Wolfgang Taube ◽  
Shawnda A. Morrison ◽  
Lea Biasutti ◽  
Bruno Grassi ◽  
...  

Author(s):  
Ylva Cedervall ◽  
Anna M. Stenberg ◽  
Hanna B. Åhman ◽  
Vilmantas Giedraitis ◽  
Fredrik Tinmark ◽  
...  

New methods to screen for and identify early-stage dementia disorders are highly sought after. The purpose of this pilot study is to develop a study protocol for a dual-task test aimed at aiding the early detection of dementia disorders. We used the Timed Up-and-Go (TUG) test, which is a mobility task involving starting in a sitting position, standing up, walking three meters to cross a line on the floor, turning around, walking back and sitting down again. We combined TUG with the verbal task of naming different animals. Pilot study participants were 43 individuals with and without established dementia diagnoses who attended a clinic for memory assessment. Video-recorded test performances were systematically analysed. Deviant test performances concerning the interplay between test administration and participants’ responses to the assessment instructions were revealed and led to refinements being made to the final study protocol. Exploration of the dual-task test outcome measures in a sub-sample of 22 persons, ten with and twelve without dementia, indicated that step-length and number of named animals after the turning point of the dual-task test might constitute appropriate measures for examining this kind of sample. We concluded that the refined study protocol is feasible for testing individuals undergoing initial memory assessments and healthy controls. Follow-up studies with larger samples are being carried out and will bring new knowledge to this area of research. It may also provide an opportunity for further studies exploring possibilities for broad clinical implementation.


Heliyon ◽  
2020 ◽  
Vol 6 (8) ◽  
pp. e04678
Author(s):  
Luca Petrigna ◽  
Simona Pajaujiene ◽  
Gaetano Marco Iacona ◽  
Ewan Thomas ◽  
Antonio Paoli ◽  
...  

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