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https://www.readbyqxmd.com/read/28513073/early-neurocognitive-improvements-following-parathyroidectomy-for-primary-hyperparathyroidism
#1
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
#2
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
#3
John P Handrakis, Zhen Ni Guan, John W Nulty, Oriana Tascione, Dwindally Rosado-Rivera, Daniel White, Charlene Bang, Ann Spungen, William A Bauman
Individuals with cervical spinal cord injury (SCI) have impaired thermoregulatory mechanisms due 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, eight individuals with chronic tetraplegia (C3-C7, AIS 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 minutes (Heat Challenge). Rectal temperature (Tcore), distal skin temperatures (Tsk<sub>avg</sub>), sweat rate (QS<sub>avg</sub>), microvascular skin perfusion (LDF<sub>avg</sub>), and plasma norepinephrine (NE) were measured...
May 2, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28430031/evaluation-of-multidimensional-models-of-wais-iv-subtest-performance
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/27936927/evaluating-semantic-metamemory-retrospective-confidence-judgements-on-the-information-subtest
#14
Ricki L Ladowsky-Brooks
The current research explored the potential value of adding a supplementary measure of metamemory to the Information subtest of the Wechsler Adult Intelligence Scale - Third Edition (WAIS-III in Study 1) or Fourth Edition (WAIS-IV in Study 2) in order to assess its relationship to other neuropsychological measures and to brain injury. After completing the Information subtest, neuropsychological examinees were asked to make retrospective confidence judgements (RCJ) by rating their answer certainty in the original order of item administration...
December 12, 2016: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/27802872/cognitive-status-and-profile-validity-on-the-personality-assessment-inventory-pai-in-offenders-with-serious-mental-illness
#15
Tatiana M Matlasz, Jamie L Brylski, Corey M Leidenfrost, Matt Scalco, Samuel J Sinclair, Ronald M Schoelerman, Valerie Tsang, Daniel Antonius
Cognitive impairment among seriously mentally ill offenders has implications for legal matters (e.g., competency to stand trial), as well as clinical treatment and care. Thus, being able to identify potential cognitive concerns early in the adjudication process can be important when deciding on further interventions. In this study, we examined the validity scales of the Personality Assessment Inventory (PAI), scores on the Wechsler Adult Intelligence Scale-IV (WAIS-IV), and competency findings in male inmates (n=61) diagnosed with a serious mental illness...
October 29, 2016: International Journal of Law and Psychiatry
https://www.readbyqxmd.com/read/27779426/wais-iv-gai-and-cpi-discrepancies-in-multiple-sclerosis-and-traumatic-brain-injury
#16
Joseph J Ryan, David S Kreiner, Laura Glass Umfleet, Samuel T Gontkovsky, Allison Myers-Fabian
We examined relationships between the Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV) General Ability Index (GAI) and Cognitive Proficiency Index (CPI) in two clinical samples. The mean pattern produced by 42 individuals with multiple sclerosis (MS) and 47 with traumatic brain injury (TBI) was the same, GAI > CPI. This pattern occurred in 61.9% and 78.7% of the protocols of patients with MS or TBI, respectively. The MS sample earned a significantly larger CPI mean than did patients with TBI...
October 25, 2016: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/27733822/the-facilitative-effect-of-transcranial-direct-current-stimulation-on-visuospatial-working-memory-in-patients-with-diabetic-polyneuropathy-a-pre-post-sham-controlled-study
#17
Yi-Jen Wu, Philip Tseng, Han-Wei Huang, Jon-Fan Hu, Chi-Hung Juan, Kuei-Sen Hsu, Chou-Ching Lin
Diabetes mellitus can lead to diabetic polyneuropathy (DPN) and cognitive deficits that manifest as peripheral and central neuropathy, respectively. In this study we investigated the relationship between visuospatial working memory (VSWM) capacity and DPN severity, and attempted to improve VSWM in DPN patients via the use of transcranial direct current stimulation (tDCS). Sixteen DPN patients and 16 age- and education-matched healthy control subjects received Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV) and Montreal Cognitive Assessment (MOCA) for baseline cognitive assessment...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27624393/the-national-adult-reading-test-restandardisation-against-the-wechsler-adult-intelligence-scale-fourth-edition
#18
Peter Bright, Emily Hale, Vikki Jayne Gooch, Thomas Myhill, Ian van der Linde
Since publication in 1982, the 50-item National Adult Reading Test (NART; Nelson, 1982 ; NART-R; Nelson & Willison, 1991 ) has remained a widely adopted method for estimating premorbid intelligence both for clinical and research purposes. However, the NART has not been standardised against the most recent revisions of the Wechsler Adult Intelligence Scale (WAIS-III; Wechsler, 1997 , and WAIS-IV; Wechsler, 2008 ). Our objective, therefore, was to produce reliable standardised estimates of WAIS-IV IQ from the NART...
September 14, 2016: Neuropsychological Rehabilitation
https://www.readbyqxmd.com/read/27590304/wais-iv-seven-subtest-short-form-validity-and-clinical-use-in-schizophrenia
#19
Ewa Bulzacka, John E Meyers, Laurent Boyer, Tifenn Le Gloahec, Guillaume Fond, Andrei Szöke, Marion Leboyer, Franck Schürhoff
OBJECTIVE: This study assesses the psychometric properties of Ward's seven-subtest short form (SF) for WAIS-IV in a sample of adults with schizophrenia (SZ) and schizoaffective disorder. METHOD: Seventy patients diagnosed with schizophrenia or schizoaffective disorder were administered the full version of the WAIS-IV. Four different versions of the Ward's SF were then calculated. The subtests used were: Similarities, Digit Span, Arithmetic, Information, Coding, Picture Completion, and Block Design (BD version) or Matrix Reasoning (MR version)...
September 1, 2016: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/27485142/age-related-commonalities-and-differences-in-the-relationship-between-executive-functions-and-intelligence-analysis-of-the-nab-executive-functions-module-and-wais-iv-scores
#20
Dorota Buczylowska, Franz Petermann
Data from five subtests of the Executive Functions Module of the German Neuropsychological Assessment Battery (NAB) and all ten core subtests of the German Wechsler Adult Intelligence Scale - Fourth Edition (WAIS-IV) were used to examine the relationship between executive functions and intelligence in a comparison of two age groups: individuals aged 18-59 years and individuals aged 60-88 years. The NAB subtests Categories and Word Generation demonstrated a consistent correlation pattern for both age groups...
August 2, 2016: Applied Neuropsychology. Adult
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