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https://www.readbyqxmd.com/read/28826306/performance-on-the-test-of-memory-malingering-is-predicted-by-the-number-of-errors-on-its-first-10-items-on-an-inpatient-epilepsy-monitoring-unit
#1
Jonathan M Grabyan, Robert L Collins, W Alexander Alverson, David K Chen
OBJECTIVE: Performance validity testing is an increasingly vital component of neuropsychological evaluation, though administration of stand-alone performance validity tests (PVTs) can be time-consuming. As the Test of Memory Malingering (TOMM) is among the most commonly used and researched PVTs, much work has focused on creating abbreviated versions while preserving diagnostic accuracy. A recent addition to this effort, errors on the first 10 items of Trial 1 (TOMMe10), was analyzed for its utility in predicting TOMM performance...
August 22, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28726544/evaluating-wais-iv-structure-through-a-different-psychometric-lens-structural-causal-model-discovery-as-an-alternative-to-confirmatory-factor-analysis
#2
Marjolein J A M van Dijk, Tom Claassen, Christiany Suwartono, William M van der Veld, Paul T van der Heijden, Marc P H Hendriks
OBJECTIVE: Since the publication of the WAIS-IV in the U.S. in 2008, efforts have been made to explore the structural validity by applying factor analysis to various samples. This study aims to achieve a more fine-grained understanding of the structure of the Dutch language version of the WAIS-IV (WAIS-IV-NL) by applying an alternative analysis based on causal modeling in addition to confirmatory factor analysis (CFA). The Bayesian Constraint-based Causal Discovery (BCCD) algorithm learns underlying network structures directly from data and assesses more complex structures than is possible with factor analysis...
July 20, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28723964/development-of-the-korean-adult-reading-test-kart-to-estimate-premorbid-intelligence-in-dementia-patients
#3
Dahyun Yi, Eun Hyun Seo, Ji Young Han, Bo Kyung Sohn, Min Soo Byun, Jun Ho Lee, Young Min Choe, Suzy Ahn, Jong Inn Woo, Jongho Jun, Dong Young Lee
We aimed to develop a word-reading test for Korean-speaking adults using irregularly pronounced words that would be useful for estimation of premorbid intelligence. A linguist who specialized in Korean phonology selected 94 words that have irregular relationship between orthography and phonology. Sixty cognitively normal elderly (CN) and 31 patients with Alzheimer's disease (AD) were asked to read out loud the words and were administered the Wechsler Adult Intelligence Scale, 4th edition, Korean version (K-WAIS-IV)...
2017: PloS One
https://www.readbyqxmd.com/read/28692578/turning-1-year-of-age-in-a-low-socioeconomic-environment-a-portrait-of-disadvantage
#4
Hallam Hurt, Laura M Betancourt
In the United States today, 16 million children are growing up poor. Few studies report multiple environmental factors associated with poverty during the first year of life and effects on infant development. OBJECTIVES: To evaluate maternal, home, and neighborhood environment of low and higher socioeconomic status (SES) infants from birth to 1 year and to evaluate the impact of SES and environment on infant developmental outcome at 1 year. METHODS: Low (n = 30) and higher SES (n = 30) African-American mothers and their healthy term gestation female infants were prospectively compared for environmental characteristics and infant developmental outcome...
September 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28632024/performance-validity-testing-in-a-clinical-sample-of-adults-with-sickle-cell-disease
#5
Katherine E Dorociak, Evan T Schulze, Lauren E Piper, Robert E Molokie, Julie K Janecek
OBJECTIVE: Neuropsychologists utilize performance validity tests (PVTs) as objective means for drawing inferences about performance validity. The Test of Memory Malingering (TOMM) is a well-validated, stand-alone PVT and the Reliable Digit Span (RDS) and Reliable Digit Span-Revised (RDS-R) from the Digit Span subtest of the WAIS-IV are commonly employed, embedded PVTs. While research has demonstrated the utility of these PVTs with various clinical samples, no research has investigated their use in adults with sickle cell disease (SCD), a condition associated with multiple neurological, physical, and psychiatric symptoms...
June 15, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28631992/validity-of-a-verbal-incidental-learning-measure-from-the-wais-iv-in-older-adults
#6
Dustin B Hammers, Amanda M Kucera, Stephanie J Card, Kathryn A Tolle, Taylor J Atkinson, Kevin Duff, Robert J Spencer
Incidental memory may reflect a form of learning in everyday life, although it is not consistently evaluated during standard neuropsychological evaluations. Further validation of a recently created measure of verbal Incidental Learning (IL) from the Wechsler Adult Intelligence Scale-IV is necessary to understand the utility of such a measure in clinical settings. Sixty-eight adults aged 50 to 89 were recruited from a Cognitive Disorders Clinic while receiving a standard neuropsychological assessment, along with two additional measures of IL...
March 2, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28600610/-associations-between-cognitive-performance-in-a-dementia-screening-test-skt-and-an-intelligence-test-wais-iv-which-deficits-in-cognitive-performance-in-old-age-indicate-a-possible-pathological-deterioration-process
#7
Laura Pauli, Monika Daseking, Franz Petermann, Mark Stemmler
BACKGROUND: Which deficits in cognitive performance indicate the onset of a pathological deterioration process in older persons? AIM AND OBJECTIVES: Based on an established dementia screening test in elderly adults, a differentiation can be made between healthy cognitive performance and the onset of pathological deficits in performance (in the sense of mild cognitive impairment). The aim of the study was to investigate whether cognitive decline assessed with a dementia screening instrument is reflected in an intelligence test for adults...
June 9, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28513073/early-neurocognitive-improvements-following-parathyroidectomy-for-primary-hyperparathyroidism
#8
Shivani Shah-Becker, Jonathan Derr, Benjamin S Oberman, Aaron Baker, Brian Saunders, Michele M Carr, David Goldenberg
OBJECTIVES: To establish a time frame for postoperative improvements in neurocognitive function in patients who undergo parathyroidectomy for primary hyperparathyroidism by utilizing repeat neuropsychological assessment at multiple time points before and after surgery. STUDY DESIGN: Prospective cohort study. METHODS: A prospective study was conducted at a tertiary academic medical center between August 2014 and December 2015, including 50 patients with primary hyperparathyroidism who underwent parathyroidectomy...
May 16, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28506289/a-preliminary-investigation-to-explore-the-cognitive-resources-of-physicians-experiencing-difficulty-in-training
#9
Fiona Patterson, Fran Cousans, Iain Coyne, Jo Jones, Sheona Macleod, Lara Zibarras
BACKGROUND: Treating patients is complex, and research shows that there are differences in cognitive resources between physicians who experience difficulties, and those who do not. It is possible that differences in some cognitive resources could explain the difficulties faced by some physicians. In this study, we explore differences in cognitive resources between different groups of physicians (that is, between native (UK) physicians and International Medical Graduates (IMG); those who continue with training versus those who were subsequently removed from the training programme); and also between physicians experiencing difficulties compared with the general population...
May 15, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28462685/effect-of-heat-exposure-on-cognition-in-persons-with-tetraplegia
#10
John P Handrakis, Zhen Ni Guan, John W Nulty, Oriana Tascione, Dwindally Rosado-Rivera, Daniel White, Charlene Bang, Ann M Spungen, William A Bauman
Individuals with cervical spinal cord injury (SCI) have impaired thermoregulatory mechanisms attributed to interruption of motor, sensory, and autonomic neuropathways. To determine the effects of heat exposure on core body temperature (Tcore) and cognitive performance in persons with tetraplegia, 8 individuals with chronic tetraplegia (C3-C7, American Spinal Cord Injury Association Impairment Scale A-B) and 9 able-bodied controls were acclimated to 27°C at baseline (BL) before being exposed to 35°C for up to 120 min (Heat Challenge)...
August 16, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28430031/evaluation-of-multidimensional-models-of-wais-iv-subtest-performance
#11
Dennis J McFarland
OBJECTIVE: The present study examined the extent to which the covariance structure of the WAIS-IV is best accounted for by models that assume that test performance is the result of group-level factors and multiple independent general factors. METHOD: Structural models with one to four general factors were evaluated with either four or five group-level factors. Simulations based on four general factors were run to clarify the adequacy of the estimates of the allocation of covariance by the models...
April 21, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28429633/the-reliability-of-multidimensional-neuropsychological-measures-from-alpha-to-omega
#12
Marley W Watkins
OBJECTIVE: To demonstrate that Coefficient omega, a model-based estimate, is more a more appropriate index of reliability than coefficient alpha for the multidimensional scales that are commonly employed by neuropsychologists. METHOD: As an illustration, a structural model of an overarching general factor and four first-order factors for the WAIS-IV based on the standardization sample of 2200 participants was identified and omega coefficients were subsequently computed for WAIS-IV composite scores...
April 21, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28381999/cognitive-processing-speed-across-the-lifespan-beyond-the-influence-of-motor-speed
#13
Deena Ebaid, Sheila G Crewther, Kirsty MacCalman, Alyse Brown, Daniel P Crewther
Traditional neuropsychological measurement of cognitive processing speed with tasks such as the Symbol Search and Coding subsets of the WAIS-IV, consistently show decline with advancing age. This is potentially problematic with populations where deficits in motor performance are expected, i.e., in aging or stroke populations. Thus, the aim of the current study was to explore the contribution of hand motor speed to traditional paper-and-pencil measures of processing speed and to a simple computer-customized non-motor perception decision task, the Inspection Time (IT) task...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28365750/correlation-between-the-cogstate-computerized-measure-and-wais-iv-among-birth-cohort-mothers
#14
Eeva-Leena Kataja, Linnea Karlsson, Mimmi Tolvanen, Christine Parsons, Adrian Schembri, Hanna Kiiski-Mäki, Hasse Karlsson
Objective: Large studies, with limited resources call for cost-effective cognitive assessment methods. Computerized tests offer viable alternatives but more data are needed on their functioning. Our aim was to evaluate the overlap between a computerized neuropsychological test battery and a traditional test of general intelligence (IQ). Method: Cognitive functioning was assessed in birth cohort mothers (n = 80) with two widely used methods: Cogstate, computerized test battery, and WAIS-IV, a traditional IQ test...
March 1, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28350927/association-of-childhood-blood-lead-levels-with-cognitive-function-and-socioeconomic-status-at-age-38-years-and-with-iq-change-and-socioeconomic-mobility-between-childhood-and-adulthood
#15
Aaron Reuben, Avshalom Caspi, Daniel W Belsky, Jonathan Broadbent, Honalee Harrington, Karen Sugden, Renate M Houts, Sandhya Ramrakha, Richie Poulton, Terrie E Moffitt
Importance: Many children in the United States and around the world are exposed to lead, a developmental neurotoxin. The long-term cognitive and socioeconomic consequences of lead exposure are uncertain. Objective: To test the hypothesis that childhood lead exposure is associated with cognitive function and socioeconomic status in adulthood and with changes in IQ and socioeconomic mobility between childhood and midlife. Design, Setting, and Participants: A prospective cohort study based on a population-representative 1972-1973 birth cohort from New Zealand; the Dunedin Multidisciplinary Health and Development Study observed participants to age 38 years (until December 2012)...
March 28, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28350285/2-18-f-fluoro-2-deoxyglucose-positron-emission-tomography-in-delirium
#16
Lucy R Haggstrom, Julia A Nelson, Eva A Wegner, Gideon A Caplan
Delirium is a common, serious, yet poorly understood syndrome. Growing evidence suggests cerebral metabolism is fundamentally disturbed; however, it has not been investigated using 2-(18)F-fluoro-2-deoxyglucose (FDG) positron emission tomography (PET) in delirium. This prospective study thus explored FDG PET patterns of cerebral glucose metabolism in older inpatients with delirium. A particular emphasis was on the posterior cingulate cortex (PCC), a key region for attention, which is a central feature of delirium...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28291459/clinical-and-magnetic-resonance-spectroscopic-imaging-findings-in-veterans-with-blast-mild-traumatic-brain-injury-and-post-traumatic-stress-disorder
#17
Anthony P Kontos, Anne C Van Cott, Jodilyn Roberts, Jullie W Pan, Monique B Kelly, Jamie McAllister-Deitrick, Hoby P Hetherington
OBJECTIVES: To compare magnetic resonance spectroscopic imaging (MRSI) findings from the hippocampal regions of military veterans with blast-related mild traumatic brain injury (blast mTBI) and post-traumatic stress disorder (PTSD) to those with PTSD only; and to examine the relationship of MRSI findings to cognitive and neuromotor impairment. METHODS: 35 military veterans-23 with blast mTBI and PTSD (blast mTBI/PTSD) and 12 with PTSD only participated in the study...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28276862/excessive-decline-from-premorbid-functioning-detecting-performance-invalidity-with-the-wais-iv-and-demographic-predictions
#18
Phillip K Martin, Ben P Hunter, Amanda M Rach, Robin J Heinrichs, Ryan W Schroeder
OBJECTIVE: Excessive Decline from Premorbid Functioning (EDPF) is presented as a construct and defined as a discrepancy between predicted premorbid ability and current test performance that is so atypical of individuals with true neurocognitive impairment that it is likely the product of performance invalidity. New embedded PVTs (EDPF-FSIQ, EDPF-VW, and EDPF-PP) were derived by comparing scores from the WAIS-IV to TOPF demographically predicted premorbid estimates and then examined for classification accuracy...
February 17, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28152329/accuracy-of-wisc-iii-and-wais-iv-short-forms-in-patients-with-neurological-disorders
#19
Jans S van Ool, Petra P M Hurks, Francesca M Snoeijen-Schouwenaars, In Y Tan, Helenius J Schelhaas, Sylvia Klinkenberg, Albert P Aldenkamp, Jos G M Hendriksen
The assessment of intellectual abilities is intensive, time-consuming, and might be considered burdensome for patients. We examined psychometric qualities of short forms (SFs) of the Wechsler Intelligence Scales for Children (WISC-third edition) and for adults (WAIS-fourth edition), in children (n = 986; Mage = 10.9) and adults (n = 324; Mage = 40.9) with neurological disorders. SF estimates were compared with Full Scale IQ (FSIQ), obtained by a complete administration, for the entire sample and for the subgroups FSIQ < 80 and FSIQ ≥ 80...
February 2, 2017: Developmental Neurorehabilitation
https://www.readbyqxmd.com/read/27984258/incidental-learning-a-brief-valid-measure-of-memory-based-on-the-wais-iv-vocabulary-and-similarities-subtests
#20
Robert J Spencer, Jaclyn Reckow, Lauren L Drag, Linas A Bieliauskas
OBJECTIVE: We assessed the validity of a brief incidental learning measure based on the Similarities and Vocabulary subtests of the Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV). BACKGROUND: Most neuropsychological assessments for memory require intentional learning, but incidental learning occurs without explicit instruction. Incidental memory tests such as the WAIS-III Symbol Digit Coding subtest have existed for many years, but few memory studies have used a semantically processed incidental learning model...
December 2016: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
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