Abstract：
UNLABELLED:The King-Devick (KD) oculomotor test has recently been advocated for sideline diagnosis of concussion. Although visual processing and performance are often impaired in concussion patients, the utility of KD as a concussion diagnostic tool is not validated. PURPOSE:To examine the diagnostic value of KD, by comparing KD with post-concussion symptom scale (PCSS) and ImPACT® composite scores. We hypothesized that KD would be correlated with visual motor speed/memory (VMS, VIS) and reaction time (RT), because all require cognitive visual processing. We also expected parallel changes in KD and PCSS across recovery. METHODS:Thirty-five concussed individuals (12-19 y; 18 females, 17 males) were evaluated with PCSS, ImPACT® composite and KD scores over four clinical visits (V). RESULTS:KD times improved with each visit (ΔV1-V2: 7.86±11.82; ΔV2-V3: 9.17 ± 11.07; ΔV3-V4: 5.30 ± 7.87 s) and paralleled improvements in PCSS (ΔV1-V2: 8.97 ± 20.27; ΔV2-V3: 8.69 ± 14.70; ΔV3-V4: 6.31 ± 7.71), RT (ΔV1-V2: 0.05 ± 0.21; ΔV2-V3: 0.09 ± 0.19; ΔV3-V4 0.03 ± 0.07) and VMS (ΔV1-V2: -5.27 ± 6.98; ΔV2-V3: -2.61 ± 6.48; ΔV3-V4: -2.35 ± 5.22). Longer KD times were associated with slower RT (r = 0.67; P<0.0001) and lower VMS (r = -0.70; P<0.0001), respectively. CONCLUSION:Cognitive visual performance testing using KD has utility in concussion evaluation. Validation would further establish KD as an effective ancillary tool in longitudinal concussion management and research.
journal_name
J Neurol Scijournal_title
Journal of the neurological sciencesauthors
Tjarks BJ,Dorman JC,Valentine VD,Munce TA,Thompson PA,Kindt SL,Bergeron MFdoi
10.1016/j.jns.2013.08.015subject
Has Abstractpub_date
2013-11-15 00:00:00pages
148-53issue
1-2eissn
0022-510Xissn
1878-5883pii
S0022-510X(13)02864-5journal_volume
334pub_type
杂志文章abstract：:Structural alterations of endoneurial microvessels occur in diabetic neuropathy and are statistically associated with severity of nerve fiber loss and teased fiber abnormality. It is therefore hypothesized that the microvessel alterations may cause or contribute to pathologic alterations of nerve fibers in diabetic ne...
journal_title：Journal of the neurological sciences
pub_type： 杂志文章
doi：10.1016/0022-510x(90)90197-u
更新日期：1990-10-01 00:00:00
abstract：BACKGROUND:Dystonia is a neurological disorder characterized by involuntary twisting movements and postures. The neck is among the most commonly affected regions, and diagnosis can be made readily through a simple clinical evaluation. The goal of this study was to explore how long it took patients to receive a diagnosi...
journal_title：Journal of the neurological sciences
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章,评审
doi：10.1016/j.jns.2007.04.046
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abstract：BACKGROUND:Fingolimod is approved by the U.S. Food and Drug Administration to reduce relapses and disability progression in relapsing forms of MS. Several screening studies and a first-dose observation (FDO) period are recommended due to adverse effects observed in clinical trials. OBJECTIVE:The objective of this stud...
journal_title：Journal of the neurological sciences
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doi：10.1016/j.jns.2012.09.009
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章,随机对照试验
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章,多中心研究
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journal_title：Journal of the neurological sciences
pub_type： 临床试验,杂志文章
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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更新日期：1998-01-21 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
doi：10.1016/j.jns.2016.09.025
更新日期：2016-11-15 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
doi：10.1016/j.jns.2013.11.006
更新日期：2014-02-15 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 临床试验,杂志文章,随机对照试验
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
doi：10.1016/j.jns.2008.08.004
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章,评审
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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更新日期：2016-02-15 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章,多中心研究
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更新日期：2020-11-15 00:00:00
abstract：:Neocortical lesions (NLs) are an important component of multiple sclerosis (MS) pathology and may account for part of the physical and cognitive disability. Visualizing NLs of patients with MS using magnetic resonance imaging (MRI) poses several significant challenges. We optimized the inversion time (TI) of T(1)-base...
journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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更新日期：2009-07-15 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章,评审
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更新日期：2019-06-15 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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更新日期：2004-09-15 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
doi：10.1016/j.jns.2015.02.046
更新日期：2015-04-15 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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更新日期：1991-09-01 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
doi：10.1016/0022-510x(91)90195-d
更新日期：1991-11-01 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
doi：10.1016/s0022-510x(03)00175-8
更新日期：2003-10-15 00:00:00
