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Clinical Neuropsychologist

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https://www.readbyqxmd.com/read/28632025/use-of-latent-class-analysis-to-define-groups-based-on-validity-cognition-and-emotional-functioning
#1
Ruth T Morin, Bradley N Axelrod
OBJECTIVE: Latent Class Analysis (LCA) was used to classify a heterogeneous sample of neuropsychology data. In particular, we used measures of performance validity, symptom validity, cognition, and emotional functioning to assess and describe latent groups of functioning in these areas. METHOD: A data-set of 680 neuropsychological evaluation protocols was analyzed using a LCA. Data were collected from evaluations performed for clinical purposes at an urban medical center...
June 15, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28632024/performance-validity-testing-in-a-clinical-sample-of-adults-with-sickle-cell-disease
#2
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/28617092/determination-of-the-smoking-gun-of-intent-significance-testing-of-forced-choice-results-in-social-security-claimants
#3
Laurence M Binder, Michael D Chafetz
OBJECTIVE: Significantly below-chance findings on forced choice tests have been described as revealing "the smoking gun of intent" that proved malingering. The issues of probability levels, one-tailed vs. two-tailed tests, and the combining of PVT scores on significantly below-chance findings were addressed in a previous study, with a recommendation of a probability level of .20 to test the significance of below-chance results. The purpose of the present study was to determine the rate of below-chance findings in a Social Security Disability claimant sample using the previous recommendations...
June 15, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28617067/parametric-model-measurement-reframing-traditional-measurement-ideas-in-neuropsychological-practice-and-research
#4
Gregory G Brown, Michael L Thomas, Virginie Patt
OBJECTIVE: Neuropsychology is an applied measurement field with its psychometric work primarily built upon classical test theory (CTT). We describe a series of psychometric models to supplement the use of CTT in neuropsychological research and test development. METHOD: We introduce increasingly complex psychometric models as measurement algebras, which include model parameters that represent abilities and item properties. Within this framework of parametric model measurement (PMM), neuropsychological assessment involves the estimation of model parameters with ability parameter values assuming the role of test 'scores'...
June 15, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28598726/outer-and-inner-tolerance-limits-their-usefulness-for-the-construction-of-norms-and-the-standardization-of-neuropsychological-tests
#5
Erminio Capitani, Marcella Laiacona
OBJECTIVES: After adjustment of scores for demographic variables, especially when test scales have an upper limit that causes a ceiling effect, the original score variability is deeply altered and the scale properties degenerate. We present a method for fixing normality thresholds on scores previously adjusted for demographic variables that overcomes these problems. METHODS: We suggest to fix norms using non-parametric tolerance limits. These limits, valid even for asymmetrical distributions and adjusted scores, can also be used as a basis for a non-parametric standardization of adjusted scores...
June 9, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28593818/sensitivity-and-specificity-should-never-be-interpreted-in-isolation-without-consideration-of-other-clinical-utility-metrics
#6
Rael T Lange, Sara M Lippa
OBJECTIVE: The purpose of this paper is to highlight the risks and pitfalls of interpreting sensitivity and specificity in isolation when evaluating the clinical utility of a new test/measure to predict a target behavior, disease, or condition. METHOD: This paper (a) provides a primer for a set of metrics that can be used to appropriately examine the clinical utility of a test/measure (i.e. test operating characteristics - TOC), and (b) provides a discussion regarding various interpretative considerations when using TOCs that supports the tenet of this paper...
June 8, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28590154/practice-parameters-facilitating-adoption-of-advanced-technologies-for-enhancing-neuropsychological-assessment-paradigms
#7
Thomas D Parsons, Timothy McMahan, Robert Kane
OBJECTIVE: Clinical neuropsychologists have long underutilized computer technologies for neuropsychological assessment. Given the rapid advances in technology (e.g. virtual reality; tablets; iPhones) and the increased accessibility in the past decade, there is an on-going need to identify optimal specifications for advanced technologies while minimizing potential sources of error. Herein, we discuss concerns raised by a joint American Academy of Clinical Neuropsychology/National Academy of Neuropsychology position paper...
June 7, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28585455/examination-of-the-modified-somatic-perception-questionnaire-mspq-in-a-large-sample-of-credible-and-noncredible-patients-referred-for-neuropsychological-testing
#8
Mariam Balasanyan, Kyle B Boone, Annette Ermshar, Deborah Miora, Maria Cottingham, Tara L Victor, Elizabeth Ziegler, Michelle A Zeller, Matthew Wright
OBJECTIVE: The current study evaluated MSPQ sensitivity to noncredible PVT performance in the context of external incentive, and examined MSPQ false positive rates in noncompensation-seeking neuropsychology patients; and investigated effects of ethnicity/culture, gender, and somatoform diagnosis on MSPQ scores, and relationships with PVT and MMPI-2-RF data. METHOD: MSPQ scores were compared in credible (n = 110) and noncredible (n = 153) neuropsychology referrals...
June 6, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28585454/trainee-perspectives-on-postdoctoral-recruitment-in-clinical-neuropsychology-reflections-on-commentaries-by-bodin-and-grote-2016-and-nelson-et-al-2016
#9
S J Towns, A E Hahn-Ketter, J Halpern, C K Block
OBJECTIVE: The aim of the current invited paper is to provide the trainees' perspective on recent commentaries on recruitment for postdoctoral fellowship in clinical neuropsychology. The current system of recruitment includes both a match and non-match process and has been problematic for trainees and training programs alike. METHOD: The author team completed a non-systematic review of previously published commentaries on the current state of postdoctoral fellowship recruitment, which are briefly summarized in the current paper...
June 6, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28571515/advanced-clinical-interpretation-of-the-delis-kaplan-executive-function-system-multivariate-base-rates-of-low-scores
#10
Justin E Karr, Mauricio A Garcia-Barrera, James A Holdnack, Grant L Iverson
OBJECTIVE: Multivariate base rates allow for the simultaneous statistical interpretation of multiple test scores, quantifying the normal frequency of low scores on a test battery. This study provides multivariate base rates for the Delis-Kaplan Executive Function System (D-KEFS). METHOD: The D-KEFS consists of 9 tests with 16 Total Achievement scores (i.e. primary indicators of executive function ability). Stratified by education and intelligence, multivariate base rates were derived for the full D-KEFS and an abbreviated four-test battery (i...
June 1, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28569607/validation-of-tics-for-detection-of-dementia-and-mild-cognitive-impairment-among-individuals-characterized-by-low-levels-of-education-or-illiteracy-a-population-based-study-in-rural-greece
#11
Marios K Georgakis, Fotios C Papadopoulos, Ion Beratis, Theodoros Michelakos, Prodromos Kanavidis, Vasilios Dafermos, Dimitrios Tousoulis, Sokratis G Papageorgiou, Eleni Th Petridou
OBJECTIVE: The efficacy of the most widely used tests for dementia screening is limited in populations characterized by low levels of education. This study aimed to validate the face-to-face administered Telephone Interview for Cognitive Status (TICS) for detection of dementia and mild cognitive impairment (MCI) in a population-based sample of community dwelling individuals characterized by low levels of education or illiteracy in rural Greece. METHODS: The translated Greek version of TICS was administered through face-to-face interview in 133 elderly residents of Velestino of low educational level (<12 years)...
June 1, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28555516/clinical-utility-of-the-rey-15-item-test-recognition-trial-and-error-scores-for-detecting-noncredible-neuropsychological-performance-in-a-mixed-clinical-sample-of-veterans
#12
K Chase Bailey, Jason R Soble, Justin J F O'Rourke
OBJECTIVE: This cross-sectional study examined the Rey 15-Item Test (RFIT), Recognition Trial, and Error Scores for identifying noncredible performance in a mixed clinical veteran sample compared to another widely used validity measure, the Test of Memory Malingering (TOMM). METHOD: Sixty-two veterans who completed the RFIT (Recall/Recognition Trials), TOMM, and Word Memory Test (WMT) during clinical evaluation were included. Using the WMT as the criterion, 71% (N = 44) were classified as valid and 29% (N = 18) as invalid...
May 30, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28555512/the-use-of-neuropsychological-tests-to-assess-intelligence
#13
David A Gansler, Mark Varvaris, David J Schretlen
OBJECTIVE: We sought to derive a 'neuropsychological intelligence quotient' (NIQ) to replace IQ testing in some routine assessments. METHOD: We administered neuropsychological testing and a seven-subtest short form of the Wechsler Adult Intelligence Scale to a community sample of 394 adults aged 18-96 years. We regressed Wechsler Full Scale IQs (W-FSIQ) on 23 neuropsychological scores and derived an NIQ from 9 measures that explained significant variance in W-FSIQ...
May 30, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28552028/invalid-before-impaired-an-emerging-paradox-of-embedded-validity-indicators
#14
Laszlo A Erdodi, Jonathan D Lichtenstein
OBJECTIVE: Embedded validity indicators (EVIs) are cost-effective psychometric tools to identify non-credible response sets during neuropsychological testing. As research on EVIs expands, assessors are faced with an emerging contradiction: the range of credible impairment disappears between the 'normal' and 'invalid' range of performance. We labeled this phenomenon as the invalid-before-impaired paradox. This study was designed to explore the origin of this psychometric anomaly, subject it to empirical investigation, and generate potential solutions...
May 27, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28548557/further-examination-of-embedded-performance-validity-indicators-for-the-conners-continuous-performance-test-and-brief-test-of-attention-in-a-large-outpatient-clinical-sample
#15
Michael J Sharland, Stephen C Waring, Brian P Johnson, Allise M Taran, Travis A Rusin, Andrew M Pattock, Jeanette A Palcher
OBJECTIVE: Assessing test performance validity is a standard clinical practice and although studies have examined the utility of cognitive/memory measures, few have examined attention measures as indicators of performance validity beyond the Reliable Digit Span. The current study further investigates the classification probability of embedded Performance Validity Tests (PVTs) within the Brief Test of Attention (BTA) and the Conners' Continuous Performance Test (CPT-II), in a large clinical sample...
May 26, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28534667/commentary-on-the-use-of-96119-in-billing-for-neuropsychological-services
#16
Leslie D Rosenstein
OBJECTIVE: This commentary seeks to outline the problematic issues with the use of 96119 in billing for neuropsychological evaluations. Issues covered include billing for the provider's time when using technicians as well as the use of trainees when billing Medicare. METHOD: Resources from the Centers for Medicare and Medicaid Services (CMS) were reviewed along with a search of available documentation from regional carriers and the general literature. CONCLUSIONS: There has been much confusion in the professional community regarding billing for neuropsychological evaluation services when utilizing technicians and/or trainees...
May 23, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28534428/clinimetric-validity-of-the-trail-making-test-czech-version-in-parkinson-s-disease-and-normative-data-for-older-adults
#17
Ondrej Bezdicek, Hana Stepankova, Bradley N Axelrod, Tomas Nikolai, Zdenek Sulc, Robert Jech, Evžen Růžička, Miloslav Kopecek
OBJECTIVE: The influence of demographic variables on the Trail Making Test (TMT) performance in older individuals and empirical findings on clinical validity in predementia states, such as Parkinson's disease mild cognitive impairment (PD-MCI), are limited. The principal aim of this study was to add normative data for the Czech population of older adults and explore the clinimetric properties between PD-MCI and PD patients with normal cognition (PD-NC). METHOD: The study included 125 PD patients classified as 77 PD-MCI and 48 PD-NC and 528 older individuals (60-74 years, further subdivided for normative tables into 60-64, 65-69 and 70-74 age groups) and very old individuals (aged 75-96, further subdivided into 75-79, 80-84, 85-96) cognitively intact Czech adults...
May 23, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28513274/cognitive-functioning-and-adjudicative-competence-defendants-referred-for-neuropsychological-evaluation-in-a-psychiatric-inpatient-setting
#18
Beth C Arredondo, Bernice A Marcopulos, Jesse G Brand, Kristen T Campbell, Julie-Ann Kent
OBJECTIVE: A paucity of peer-reviewed research exists regarding the relation between cognitive functioning and adjudicative competence, despite increasing awareness of cognitive deficits associated with serious mental illness. This retrospective study sought to add to and expand upon existing research by considering performance validity and court determinations of competence, when available. METHOD: We compared demographic and cognitive variables of a group of defendants with presumed valid testing admitted to an inpatient psychiatric facility for evaluation of adjudicative competence and referred for neuropsychological evaluation (n = 45) and compared individuals determined by the evaluator and/or the court to be competent (n = 30) and incompetent (n = 15)...
May 17, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28430031/evaluation-of-multidimensional-models-of-wais-iv-subtest-performance
#19
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/28429656/baseline-cognitive-test-performance-and-concussion-like-symptoms-among-adolescent-athletes-with-adhd-examining-differences-based-on-medication-use
#20
Nathan E Cook, Donna S Huang, Noah D Silverberg, Brian L Brooks, Bruce Maxwell, Ross Zafonte, Paul D Berkner, Grant L Iverson
OBJECTIVE: Youth with attention deficit hyperactivity disorder (ADHD) perform more poorly on preseason cognitive testing and report more baseline concussion-like symptoms but prior studies have not examined the influence of medication use on test performance or symptom reporting. This study investigated whether medication use is relevant when interpreting baseline ImPACT® results from student athletes with ADHD. METHOD: Participants were 39,247 adolescent athletes, ages 13-18 (mean age = 15...
April 21, 2017: Clinical Neuropsychologist
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