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https://www.readbyqxmd.com/read/29345192/cross-validation-of-the-dot-counting-test-in-a-large-sample-of-credible-and-non-credible-patients-referred-for-neuropsychological-testing
#1
Courtney McCaul, Kyle B Boone, Annette Ermshar, Maria Cottingham, Tara L Victor, Elizabeth Ziegler, Michelle A Zeller, Matthew Wright
OBJECTIVE: To cross-validate the Dot Counting Test in a large neuropsychological sample. METHOD: Dot Counting Test scores were compared in credible (n = 142) and non-credible (n = 335) neuropsychology referrals. RESULTS: Non-credible patients scored significantly higher than credible patients on all Dot Counting Test scores. While the original E-score cut-off of ≥17 achieved excellent specificity (96.5%), it was associated with mediocre sensitivity (52...
January 18, 2018: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/29227128/noncredible-cognitive-performance-at-clinical-evaluation-of-adult-adhd-an-embedded-validity-indicator-in-a-visuospatial-working-memory-test
#2
Anselm B M Fuermaier, Oliver Tucha, Janneke Koerts, Klaus W Lange, Matthias Weisbrod, Steffen Aschenbrenner, Lara Tucha
The assessment of performance validity is an essential part of the neuropsychological evaluation of adults with attention-deficit/hyperactivity disorder (ADHD). Most available tools, however, are inaccurate regarding the identification of noncredible performance. This study describes the development of a visuospatial working memory test, including a validity indicator for noncredible cognitive performance of adults with ADHD. Visuospatial working memory of adults with ADHD (n = 48) was first compared to the test performance of healthy individuals (n = 48)...
December 2017: Psychological Assessment
https://www.readbyqxmd.com/read/29227126/intentional-inattention-detecting-feigned-attention-deficit-hyperactivity-disorder-on-the-personality-assessment-inventory
#3
Shannon T Smith, Jennifer Cox, Elyse N Mowle, John F Edens
Given the increasing number of college students seeking Attention-Deficit/Hyperactivity Disorder (ADHD) diagnoses as well as the potential secondary gains associated with this disorder (e.g., access to stimulant medication, academic accommodations), the detection of malingered symptom presentations in this population is a major concern. The present study examined the ability of validity indicators on the widely used Personality Assessment Inventory (PAI; Morey, 1991) to distinguish between individuals experiencing genuine ADHD symptoms and individuals instructed to present with ADHD symptomatology for secondary gain...
December 2017: Psychological Assessment
https://www.readbyqxmd.com/read/29227125/utility-of-the-conners-adult-adhd-rating-scale-validity-scales-in-identifying-simulated-attention-deficit-hyperactivity-disorder-and-random-responding
#4
Brittany D Walls, Elizabeth R Wallace, Stacey L Brothers, David T R Berry
Recent concern about malingered self-report of symptoms of attention-deficit hyperactivity disorder (ADHD) in college students has resulted in an urgent need for scales that can detect feigning of this disorder. The present study provided further validation data for a recently developed validity scale for the Conners' Adult ADHD Rating Scale (CAARS), the CAARS Infrequency Index (CII), as well as for the Inconsistency Index (INC). The sample included 139 undergraduate students: 21 individuals with diagnoses of ADHD, 29 individuals responding honestly, 54 individuals responding randomly (full or half), and 35 individuals instructed to feign...
December 2017: Psychological Assessment
https://www.readbyqxmd.com/read/29227124/the-effects-of-symptom-information-coaching-on-the-feigning-of-adult-adhd
#5
Maryanne Edmundson, David T R Berry, Hannah L Combs, Stacey L Brothers, Jordan P Harp, Ande Williams, Stephanie L Rojas, Ahmed K Saleh, April B Scott
College students without ADHD may feign symptoms of ADHD to gain access to stimulant medications and academic accommodations. Unfortunately, research has shown that it can be difficult to discriminate malingered from genuine ADHD symptomatology, especially when evaluations are based only on self-report questionnaires. The present study investigated whether nonclinical college students given no additional information could feign ADHD as successfully as those who were coached on symptoms of the disorder. Similar to Jasinski et al...
December 2017: Psychological Assessment
https://www.readbyqxmd.com/read/29186287/utility-of-the-personality-assessment-inventory-in-detecting-feigned-attention-deficit-hyperactivity-disorder-adhd-the-feigned-adult-adhd-index
#6
Stephen L Aita, Channing A Sofko, Benjamin D Hill, Mandi W Musso, Anneliese C Boettcher
Objective: The high potential for secondary gain among college students presenting for Attention-Deficit/Hyperactivity Disorder (ADHD) evaluations highlights the need for psychometrically sound embedded validity indicators. The purpose of this study was to develop new validity indicators specific to feigned ADHD for the Personality Assessment Inventory (PAI) and compare them to preexisting imbedded PAI validity measures. Method: PAI scales that were theoretically related to feigned ADHD were evaluated...
November 23, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/29169294/susceptibility-of-functional-impairment-scales-to-noncredible-responses-in-the-clinical-evaluation-of-adult-adhd
#7
Anselm B M Fuermaier, Oliver Tucha, Janneke Koerts, Marah Butzbach, Matthias Weisbrod, Steffen Aschenbrenner, Lara Tucha
OBJECTIVE: A growing body of research questions the reliance of symptom self-reports in the clinical evaluation of attention-deficit/hyperactivity disorder (ADHD) in adulthood. A recent study suggested that also impairment reports are vulnerable to noncredible responses, as derived from a simulation design using a global functional impairment scale. The present study aims to add evidence to this issue, by using an ADHD specific impairment scale in a simulation design on large samples...
November 23, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/29072481/classification-accuracy-of-the-minnesota-multiphasic-personality-inventory-2-mmpi-2-restructured-form-validity-scales-in-detecting-malingered-pain-related-disability
#8
Kevin J Bianchini, Luis E Aguerrevere, Kelly L Curtis, Tresa M Roebuck-Spencer, F Charles Frey, Kevin W Greve, Matthew Calamia
The symptom reports of individuals with chronic pain are multidimensional (e.g., emotional, cognitive, and somatic) and significantly contribute to increased morbidity and lost work productivity. When pain occurs in the context of a legally compensable event, reliable assessment of a patient's multifactorial symptom experience during psychological or neuropsychological evaluations is a necessity. The Validity Scales of the Minnesota Multiphasic Personality Inventory-2 (MMPI-2) have been shown useful in identifying symptom overreporting and feigning within chronic pain samples and a number of studies have emerged supporting the use of the MMPI-2-Restructured Form (MMPI-2-RF) in the detection of simulated or feigned impairment in a variety of populations...
October 26, 2017: Psychological Assessment
https://www.readbyqxmd.com/read/28991677/hurst-revisited-are-symptoms-and-signs-of-functional-motor-and-sensory-disorders-dependent-on-idea
#9
Jon Stone, Jennifer Mutch, Denis Giannokous, Ingrid Hoeritzauer, Alan Carson
INTRODUCTION: Symptoms and signs of functional (psychogenic) motor and sensory disorder are often said to be dependent on the patients' idea of what symptoms should be, rather than anatomy and physiology. This hypothesis has however rarely been tested. MATERIALS AND METHODS: Inspired by a brief experiment carried out in 1919 by neurologist Arthur Hurst we aimed to assess the views of healthy non-medical adults towards paralysis and numbness and their response to tests for functional disorders when asked to pretend to have motor and sensory symptoms...
October 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28915294/estimating-nonorganic-hearing-thresholds-using-binaural-auditory-stimuli
#10
Linda W Norrix, Vivian Rubiano, Thomas Muller
Purpose: Minimum contralateral interference levels (MCILs) are used to estimate true hearing thresholds in individuals with unilateral nonorganic hearing loss. In this study, we determined MCILs and examined the correspondence of MCILs to true hearing thresholds to quantify the accuracy of this procedure. Method: Sixteen adults with normal hearing participated. Subjects were asked to feign a unilateral hearing loss at 1.0, 2.0, and 4.0 kHz. MCILs were determined...
September 14, 2017: American Journal of Audiology
https://www.readbyqxmd.com/read/28903106/constantin-tsiminakis-1875-1942-neurologist-neuropathologist-statesman
#11
Lazaros C Triarhou
The article is a 75-year memorial tribute to the Greek neurologist, Constantin Tsiminakis (1875-1942). Coming from a family of physicians, Tsiminakis graduated from the University of Athens in 1897, and trained in Vienna under Nothnagel, Frankl-Hochwart, and Obersteiner. In 1905, he was appointed Reader in Neurology and Psychiatry at his alma mater. He published over 40 articles on topics of neurology and neuropathology, including megalencephaly, hydrocephalus, progressive paralysis, epidemic encephalitis, dengue fever, and narcolepsy...
2017: European Neurology
https://www.readbyqxmd.com/read/28853619/grip-strength-feigning-is-hard-to-detect-an-exploratory-study
#12
Jan Vollert, Carina Pasqualicchio, Mike Papenhoff, Burkhard Heitmann, Frank Müller, Christoph Maier
Detecting submaximal effort when testing grip strength is difficult. Research so far has focused on the discrimination between sincere and feigning healthy participants, whereas the clinically relevant distinction is between injured patients and feigning participants. The aim of our study was to compare rapid exchange grip and isometric grip strength testing in 41 participants feigning weakness with 39 patients with decreased hand function. Various parameters that describe grip strength were recorded and tested for differences between the groups...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28732029/the-tonic-immobility-test-do-wild-and-captive-golden-mantella-frogs-mantella-aurantiaca-have-the-same-response
#13
Luiza Figueiredo Passos, Gerardo Garcia, Robert John Young
Adaptations to captivity that reduce fitness are one of many reasons, which explain the low success rate of reintroductions. One way of testing this hypothesis is to compare an important behavioural response in captive and wild members of the same species. Thanatosis, is an anti-predator strategy that reduces the risk of death from predation, which is a common behavioral response in frogs. The study subjects for this investigation were captive and wild populations of Mantella aurantiaca. Thanatosis reaction was measured using the Tonic Immobility (TI) test, a method that consists of placing a frog on its back, restraining it in this position for a short period of time and then releasing it and measuring how much time was spent feigning death...
2017: PloS One
https://www.readbyqxmd.com/read/28696772/enhanced-detection-of-feigned-cognitive-impairment-using-per-item-response-time-measurements-in-the-word-memory-test
#14
T Lupu, T Elbaum, M Wagner, Y Braw
Response time (RT) is a less obvious outcome measure than conventional accuracy measures used in performance validity tests (PVTs). It is also under less conscious control and is affected by cognitive processes associated with deception. Studies that assessed the utility of RT for the detection of feigned cognitive impairment are however numbered. Moreover, RT variability was not assessed in a clinically used PVT. In the current study, we assessed the utility of RT measures for the detection of feigned cognitive impairment in the Word Memory Test (WMT)...
July 11, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28613018/a-pilot-study-on-the-chinese-minnesota-multiphasic-personality-inventory-2-in-detecting-feigned-mental-disorders-simulators-classified-by-using-the-structured-interview-of-reported-symptoms
#15
Yi-Ting Chang, Wai-Cheong C Tam, Yung-Jong Shiah, Shih-Kuang Chiang
The Minnesota Multiphasic Personality Inventory-2 (MMPI-2) is often used in forensic psychological/psychiatric assessment. This was a pilot study on the utility of the Chinese MMPI-2 in detecting feigned mental disorders. The sample consisted of 194 university students who were either simulators (informed or uninformed) or controls. All the participants were administered the Chinese MMPI-2 and the Structured Interview of Reported Symptoms-2 (SIRS-2). The results of the SIRS-2 were utilized to classify the participants into the feigning or control groups...
June 14, 2017: PsyCh Journal
https://www.readbyqxmd.com/read/28585883/dissimulation-strategies-on-standard-neuropsychological-tests-a-qualitative-investigation
#16
Stephanie M Jones
OBJECTIVE: Most previous studies in the area of malingering neuropsychological deficits have focused on the development and validation of measures to detect falsification of symptoms or suboptimal performance. The present study employs qualitative methods to investigate strategies employed by individuals attempting to feign cognitive impairment. This study aims to achieve a richer and more detailed understanding of the phenomenon of feigning. METHOD: Detailed semi-structured interviews were administered to 15 non-neurological individuals instructed to feign cognitive impairment on a standard neuropsychological test battery...
2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28578365/self-inflicted-eye-injury
#17
Mohammed A Gogandy, Abdulqader Aljarad, Sabah S Jastaneiah, Abdullah M Alfawaz
Individuals with a factitious ocular disorder feign or exaggerate having an eye injury or intentionally produce an eye injury so as to assume the role of a sick person. We report two cases of self-inflicted ocular injury using needle-like foreign bodies and razor that represent possible diagnoses of Munchausen syndrome. Both patients presented with different clinical pictures that misguided the clinical diagnosis and delayed proper management. Although self-inflicted ocular injuries are rare, ophthalmologists should be aware of the possibility of their existence, particularly when caring for patients with psychiatric conditions...
May 2017: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/28573061/pseudologia-fantastica-in-the-emergency-department-a-case-report-and-review-of-the-literature
#18
Robyn Thom, Polina Teslyar, Rohn Friedman
Psychiatrists commonly encounter deception in the emergency department. This article presents the case of a patient who presents to the emergency department with an unusual and elaborate web of deceptions along multiple themes including feigning medical illness, multiple losses, and grandiose academic and athletic achievements. We review the clinical characteristics of pseudologia fantastica and discuss how this patient's constellation of malingering, factitious disorder, and personality disorder suggests this diagnosis...
2017: Case Reports in Psychiatry
https://www.readbyqxmd.com/read/28529233/the-medicinal-rod-slave-health-and-redhibition-law-in-george-washington-cable-s-i-the-grandissimes-i
#19
Heather Chacón
The economic transactions and litigation necessary for slavery to function, coupled with the South's honor culture, meant skepticism and posturing frequently attended the buying and selling of enslaved people. This atmosphere provided opportunities for enslaved individuals familiar with the symbiotic ways their health and value intertwined to manipulate owners by feigning illness or adopting behaviors contrary to those of a "sound and sane" captive under Louisiana's redhibitory (slave warranty) law. Such actions offered a chance at preserving that which slavery denied its victims: proximity to family, a reduced chance of being sold, and an opportunity to exert agency within a strictly oppressive system...
2017: Literature and Medicine
https://www.readbyqxmd.com/read/28471555/-conversion-disorder-functional-neuroimaging-and-neurobiological-mechanisms
#20
J Lejeune, C Piette, E Salmon, G Scantamburlo
Conversion disorder is a psychiatric disorder often encountered in neurology services. This condition without organic lesions was and still is sometimes referred as an imaginary illness or feigning. However, the absence of organic lesions does not exclude the possibility of cerebral dysfunction. The etiologic mechanisms underlying this disorder remain uncertain even today.The advent of cognitive and functional imaging opens up a field of exploration for psychiatry in understanding the neurobiological mechanisms underlying mental disorders and especially the conversion disorder...
April 2017: Revue Médicale de Liège
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