cogstate

Validity of a brief computerized cognitive screening test in dementia

Authors: Dustin Hammers, Elizabeth Spurgeon, Kelly Ryan, Carol Persad, Nancy Barbas, Judith Heidebrink, David Darby, Bruno Giordani

Journal: Journal of Geriatric Psychiatry and Neurology

Year Published: 2012

Background: While preliminary evidence supports the criterion validity of the CogState computerized brief battery in mild cognitive impairment (MCI) and Alzheimer disease (AD), definitive validation studies examining a wider range of dementia-related disorders relative to conventional […]

Qualitative similarities in cognitive impairment associated with 24 h of sustained wakefulness and a blood alcohol concentration of 0.05%

Authors: Marina G Falleti, Paul Maruff, Alexander Collie, David G Darby, Michael McStephen

Journal: Journal of Sleep Research

Year Published: 2003

Previous studies that have quantified fatigue-related cognitive impairment as blood alcohol concentration (BAC) equivalents have been limited by two issues: the effect of practice on tests of cognition and, more importantly, the statistic used to quantify […]

Detection of MCI in the clinic: Evaluation of the sensitivity and specificity of a computerised test battery, the Hopkins Verbal Learning Test and the MMSE

Authors: Celeste A de Jager, Anne-Claire M C Schrijnemaekers, Thurza E M Honey, Marc M Budge

Journal: Age and Ageing

Year Published: 2009

Introduction: The sensitive detection of mild cognitive impairment (MCI) in older adults is an important problem that requires objective assessment. We evaluated whether the computerised cognitive test battery, CogState, was as sensitive to MCI as two […]

Reliability of repeated cognitive assessment of dementia using a brief computerized battery

Authors: Dustin Hammers, Elizabeth Spurgeon, Kelly Ryan, Carol Persad, Judith Heidebrink, Nancy Barbas, Roger Albin, Kirk Frey, David Darby, Bruno Giordani

Journal: American Journal of Alzheimer's Disease and Other Dementias

Year Published: 2011

Objective: The aim of this study was to evaluate the short-term stability and reliability of a brief computerized cognitive battery in established dementia types. Method: Patients were administered the computerized battery twice with administrations approximately 2 […]

Performances on the CogState and standard neuropsychological batteries among HIV patients without dementia

Authors: Edgar Turner Overton, John S K Kauwe, Robert Paul, Karen Tashima, David F Tate, Pragna Patel, Charles C J Carpenter, David Patty, John T Brooks, David B Clifford

Journal: AIDS and Behavior

Year Published: 2011

HIV-associated neurocognitive disorders remain prevalent but challenging to diagnose particularly among non-demented individuals. To determine whether a brief computerized battery correlates with formal neurocognitive testing, we identified 46 HIV-infected persons who had undergone both formal neurocognitive […]

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