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Clinical Neuropsychologist

Gera A de Haan, Oliver Tucha, Joost Heutink
OBJECTIVE: To systematically examine the effect of low visual acuity (LVA) on a number of commonly used neuropsychological tests. METHOD: In this study, the influence of LVA on a number of commonly used neuropsychological tests was examined in 238 healthy older adults (aged 50-80) without visual or neurological impairment. LVA was simulated using simulation glasses. RESULTS: It was found that a simulated LVA of ∼0.2 (decimal acuity; Snellen 6/30 or 20/100, LogMAR 0...
April 15, 2019: Clinical Neuropsychologist
Kirsten A Quistberg, Ulrich Mueller
OBJECTIVE: Executive function difficulties have been identified as a transdiagnostic mechanism for the development of psychological disorders; however little is known about the relations between executive function and internalizing and externalizing behavior patterns, especially in young children. To address this gap in the literature, the current study examined the reciprocal relations between internalizing and externalizing behaviors and two component processes of executive function, inhibition, and working memory...
April 12, 2019: Clinical Neuropsychologist
Kelly L Curtis, Luis E Aguerrevere, Kevin J Bianchini, Kevin W Greve, Robert C Nicks
OBJECTIVE: Intentional exaggeration of symptoms is a potential problem in contexts where there are financial incentives to appear disabled. Therefore, calibration of tools to accurately evaluate malingering in these contexts is important. The present study used a criterion groups validation design to determine the ability of the Pain Catastrophizing Scale (PCS) to detect Malingered Pain-Related Disability (MPRD). METHOD: Individuals meeting inclusionary/exclusionary criteria were selected for this study (n = 219) from a larger dataset of chronic pain patients referred for a psychological evaluation...
April 8, 2019: Clinical Neuropsychologist
Rune Raudeberg, Grant L Iverson, Åsa Hammar
OBJECTIVE: To illustrate and quantify how using different normative systems influences the accuracy of identifying cognitive impairment in people with schizophrenia spectrum disorders. PARTICIPANTS AND METHODS: A convenience sample of 315 patients between 18 and 38 years of age referred for neuropsychological assessment at a psychiatric inpatient hospital in Bergen, Norway, was included. All completed the Norwegian version of the Repeatable Battery for the Assessment of Neuropsy-chological Status (RBANS)...
April 8, 2019: Clinical Neuropsychologist
Catherine Lee, Nancy Landre, Jerry J Sweet
OBJECTIVE: Assessment of performance validity is an essential component of neuropsychological evaluation. Performance validity indicators contained within cognitive ability measures are particularly advantageous, as they do not require additional test administration time or material, and allow for assessment of validity across multiple cognitive domains over the course of an evaluation. The present study examined the classification accuracy of the Stroop Color and Word Test (Stroop) Word, Color, and Color-Word trials in detecting invalid performance in a mixed forensic and patient sample...
April 7, 2019: Clinical Neuropsychologist
Christy A Denckla, Georgina Spies, Robert Heaton, Jennifer Vasterling, Donald Franklin, Kristina J Korte, Courtney Colgan, David C Henderson, Karestan C Koenen, Soraya Seedat
OBJECTIVE: Demographically corrected norms typically account for the effects of age, education, and in some cases, sex and other factors (e.g. race/ethnicity). However, generalizability of normative standards to different countries and ethnic groups is not universal. This study sought to determine whether demographically specific Zambian neuropsychological norms would generalize to a group of South African women. METHOD: 212 English-Xhosa bilingual, South African (SA) women were administered a comprehensive neuropsychological (NP) test battery in either English or Xhosa...
April 5, 2019: Clinical Neuropsychologist
Yana Suchy, Chris Morrison, Leslie Guidotti Breting, Doug Whiteside
No abstract text is available yet for this article.
April 4, 2019: Clinical Neuropsychologist
Hannah E Brunet, Joel H Kramer, Garima J Lupas, Jessica M Foley
OBJECTIVE: The relative importance of various mechanisms supporting declarative verbal memory among older adults remains uncertain. The present study examined the impact of strategy use (specifically semantic clustering) versus other variables known to impact memory performance (age, sex, education, FSIQ, processing speed, and executive functioning) on verbal memory functioning among healthy older adults. METHODS: Healthy older adults from the California Verbal Learning Test, Second Edition standardization sample were selected (N = 242)...
March 31, 2019: Clinical Neuropsychologist
Robert Ruchinskas
OBJECTIVE: The Digit Span (DS) subtest from the Wechsler Adult Intelligence Scale-4th Edition (WAIS-IV) was updated to better measure working memory which is potentially clinically relevant as prior unreplicated studies showed that sequencing tasks differentiated normal from neurologic groups. This study examines performance on DS for individuals from a memory disorder clinic diagnosed with amnestic mild cognitive impairment (aMCI), probable dementia of the Alzheimer type (DAT), or those with subjective cognitive complaints (SCC)...
March 31, 2019: Clinical Neuropsychologist
Agnieszka Rojczyk, Aleksandra Dziewanowska, Agnieszka Maryniak
OBJECTIVE: This study presents a case of a teenager (J.J.) prenatally diagnosed with large arachnoid cysts which did not allow parts of his brain to develop correctly. It aims to establish whether the congenital malformation affected the boy's cognitive development. METHOD: In order to assess his cognitive development, the authors analyzed J.J.'s medical history, interviewed him and his parents and conducted neuropsychological examination. RESULTS: Despite major parts of his brain undeveloped, the boy achieved average to outstanding scores in all tests...
March 20, 2019: Clinical Neuropsychologist
Heather G Belanger
OBJECTIVE: Stroke is commonly seen in neuropsychological practice. Individual differences, diffuse damage, and the difficulty inherent in researching stroke create challenges for the clinician trying to synthesize the latest information to educate patients and families on prognosis. The objective of this special issue is to provide an overview of the latest clinical research in stroke - the contributors address assessment and treatment issues that are relevant to practice. METHOD: We solicited papers from established researchers and issued a general call for papers for the special issue on stroke...
March 18, 2019: Clinical Neuropsychologist
Glenn Smith
The Clinical Neuropsychology Synarchy (CNS) interfaces with the American Psychological Association and affiliated organizations to address issues and advances in specialty training. The past several years have seen the development and dissemination of several initiatives pertinent to specialty training. Among these initiatives was the creation of a taxonomy for education and training in clinical neuropsychology. In additional there has been a movement toward competency-based education that has become codified in the APA's new Standards for Accreditation...
March 8, 2019: Clinical Neuropsychologist
Bjørn-Eivind Kirsebom, Ragna Espenes, Erik Hessen, Knut Waterloo, Stein Harald Johnsen, Elisabeth Gundersen, Sigrid Botne Sando, Gøril Rolfseng Grøntvedt, Santiago Timón, Tormod Fladby
BACKGROUND/OBJECTIVE: In recent years, several slightly younger cohorts have been established in order to study the preclinical and prodromal phases of dementia. The Consortium to Establish a Registry for Alzheimer's Disease (CERAD) wordlist memory test (WLT) is widely used in dementia research. However, culturally adapted and demographically adjusted test norms for younger ages are lacking. METHOD: This paper investigates effects of age, gender and years of education on test performance and offers demographically adjusted norms for the CERAD WLT using a regression-based norming procedure for the age span 40-80 years based on healthy controls (n = 227) from the Norwegian "Dementia Disease Initiation" (DDI) (n = 168) and "Trønderbrain" (n = 59) cohorts...
March 8, 2019: Clinical Neuropsychologist
Cynthia A Austin, Melissa Gerstle, Katherine T Baum, Anne Bradley, Brenna LeJeune, James Peugh, Dean W Beebe
OBJECTIVE: The handful of studies examining parent satisfaction after pediatric neuropsychological evaluations have focused on post-evaluation appraisals. By examining parent experiences across the course of their child's evaluation, this study aimed to provide important insights into how and when parents experience changes in knowledge, understanding of care options, and efficacy during evaluation process. METHOD: Parents of youth receiving neuropsychological evaluation completed questionnaires at four time points (prior to evaluation [n = 363], day of testing [n = 300], prior to feedback [n = 250], and post-report [n = 99])...
March 1, 2019: Clinical Neuropsychologist
Janna Belser-Ehrlich, Jacob Adrian Lafo, Paul Mangal, Margaret Bradley, Meredith Wicklund, Dawn Bowers
BACKGROUND: The Dandy-Walker Malformation (DWM) is a congenital birth malformation that is characterized by a triad of features: cerebellar dysgenesis, cystic dilation of the fourth ventricle, and an enlarged posterior fossa that displaces the dural sinuses and the tentorium. Despite this defining triad, clinical presentation can be highly heterogeneous in part due to severity of structural changes. To date, there been limited consideration of cognitive-behavioral symptoms of DWM in relation to nonmotor functions of the cerebellum, specifically cerebellar cognitive affective syndrome (CCAS)...
March 1, 2019: Clinical Neuropsychologist
Scott Roye, Matthew Calamia, John P K Bernstein, Alyssa N De Vito, Benjamin D Hill
OBJECTIVE: Performance validity testing is a necessary practice when conducting research with undergraduate students, especially when participants are minimally incentivized to provide adequate effort. However, the failure rate on performance validity measures in undergraduate samples has been debated with studies of different measures and cutoffs reporting results ranging from 2.3 to 55.6%. METHOD: The current study examined multiple studies to investigate failures on performance validity measures in undergraduate students, and how these rates are influenced by liberal and conservative cutoffs...
February 23, 2019: Clinical Neuropsychologist
Lisa A Jacobson, Luther G Kalb, E Mark Mahone
OBJECTIVE: The BRIEF2 is the recent revision of a frequently employed measure of executive behaviors; however, no research has yet addressed the validity of the new measure's theoretical design. METHOD: The present study examined the factor structure of the BRIEF2 in 5212 clinically referred youth (66% male, 5-18 years) via exploratory (EFA) and confirmatory (CFA) factor analyses of item-level responses. RESULTS: Results from the EFA suggested the BRIEF2 has fewer factors than would be suggested by the nine theoretically derived scales...
February 16, 2019: Clinical Neuropsychologist
Adam Gerstenecker, Ronald M Lazar
OBJECTIVE: To review the research literature pertaining to post-stroke language recovery, and to discuss neurocognitive assessment in patients in the context of aphasia, time course of language recovery, factors associated with language recovery, and therapeutic techniques designed to facilitate language recovery. METHOD: Articles were identified through PubMed, MEDLINE, PsychINFO, and Google Scholar searches. Examples of utilized keywords include "post-stroke aphasia," "post-stroke language recovery," "post-stroke neurocognitive assessment," and "neuropsychology and aphasia...
January 30, 2019: Clinical Neuropsychologist
Sara E Whiting, Audrey M Carson, Gary D Clark, David D Schwartz
OBJECTIVE: Complete prenatal cerebellar infarction is rare and few reports exist documenting developmental outcomes. We report outcome data on a child who sustained a stroke to the bilateral cerebellar hemispheres at 25 weeks gestation, and was subsequently seen for follow-up neuropsychological evaluations at ages 5 years, 5 months and 7 years, 9 months. METHOD: Retrospective chart review. RESULTS: Findings from the initial evaluation at age 5 were consistent with a diagnosis of intellectual disability based on developmental testing and parent-reported adaptive behavior...
January 30, 2019: Clinical Neuropsychologist
Daniël van Helvoort, Harald Merckelbach, Thomas Merten
OBJECTIVE: The Self-Report Symptom Inventory (SRSI) is a new symptom validity test that, unlike other symptom over-reporting measures, contains both genuine symptom and pseudosymptom scales. We tested whether its pseudosymptom scale is sensitive to genuine psychopathology and evaluated its discriminant validity in an instructed feigning experiment that relied on carefully selected forensic inpatients (n = 40). METHOD: We administered the SRSI twice: we instructed patients to respond honestly to the SRSI (T1) and then to exaggerate their symptoms in a convincing way (T2)...
January 30, 2019: Clinical Neuropsychologist
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