Residency Training: The King-Devick test and sleep deprivation

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Residency training: the King-Devick test and sleep deprivation: study in pre- and post-call neurology residents.

OBJECTIVE The current study investigates the effect of sleep deprivation on the speed and accuracy of eye movements as measured by the King-Devick (K-D) test, a <1-minute test that involves rapid number naming. METHODS In this cohort study, neurology residents and staff from the University of Pennsylvania Health System underwent baseline followed by postcall K-D testing (n = 25); those not ta...

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King-Devick Test for Concussion

We assessed 10 youth football players (13.4 + 0.7 y) immediately before and after their season to explore the effects of football participation on selected clinical measures of neurologic function. Postseason postural stability in a closed-eye condition was improved compared to preseason (P 1⁄4 .017). Neurocognitive testing with the Immediate Post-Concussion Assessment and Cognitive Testing (Im...

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Residency Training Cognitive benefits of sleep and their loss due to sleep deprivation

When Nobel laureate Otto Loewi discovered the chemical basis of neurotransmission in 1921, he attributed his experimental design to an insight he made during sleep.1 In recent years, scientific discoveries have begun to empirically validate the hypothetical role of sleep in cognitive processes such as insight formation and memory consolidation. Yet these new and important scientific findings—th...

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Test-Retest Reliability of the King-Devick Test in an Adolescent Population.

CONTEXT   The King-Devick (KD) test is a screening tool designed to assess cognitive visual impairments, namely saccadic rhythm, postconcussion. Test-retest reliability of the KD in a healthy adolescent population has not yet been established. OBJECTIVE   To investigate the overall test-retest reliability of the KD among a sample of healthy adolescents. Additionally, we sought to determine if...

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The King-devick Test: an Indicator of Longer-term Cognitive Effects Post-concussion

The King-Devick test (K-D) was introduced in 2011 as a quick, easy and cost-effective way to screen for a concussion. Relying on differences in visual scanning between a baseline and post-injury examination to discern a concussion, the test has been found to be sensitive to concussions immediately (within minutes) following injury. The aim of this paper was to determine whether the K-D is sensi...

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ژورنال

عنوان ژورنال: Neurology

سال: 2012

ISSN: 0028-3878,1526-632X

DOI: 10.1212/wnl.0b013e318251833d