0259 SLEEP DEPRIVATION EFFECTS ON THE DIGIT SYMBOL SUBSTITUTION TEST: GENERAL COGNITIVE SLOWING OR WAKE STATE INSTABILITY?
نویسندگان
چکیده
منابع مشابه
Clinical correlates of parametric digit-symbol substitution test in schizophrenia
Processing speed deficit, ascertained by digit-symbol substitution test (DSST), is considered as a fundamental impairment in schizophrenia. Clinical correlates of processing speed abnormalities, especially using the parametric version of DSST is yet to be evaluated comprehensively. In this study, we examined schizophrenia patients (N=66) and demographically matched healthy controls (N=72) using...
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Mounting evidence shows that hyperhomocysteinemia is a risk factor for cognitive decline. This study enrolled subjects with normal serum levels of B12 and folate and performed thorough neuropsychological assessments to illuminate the independent role of homocysteine on cognitive functions.Participants between ages 50 and 85 were enrolled with Modified Hachinski ischemic score of <4, adequate vi...
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Background. Sleep is assumed to be a critical factor for human physiological and cognitive function. Lack of sleep is a common condition in daily life. Objectives. The purpose of this study was to evaluate the effects of 24-hour sleep deprivation on cognitive and motor skills in university students. Methods. The participants were volunteers that consisted of 290 male students aged 19-25 years...
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Results from three studies are reported in which adults between 18 and 84 years of age performed various versions of the Digit Symbol Substitution Test. The first study revealed that the age-related declines in digit-symbol performance were largely independent of both the amount of education the participants had received and their self-reported health status, and were characterized by a gradual...
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ژورنال
عنوان ژورنال: Sleep
سال: 2017
ISSN: 0161-8105,1550-9109
DOI: 10.1093/sleepj/zsx050.258