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Journal of the International Neuropsychological Society: JINS

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https://read.qxmd.com/read/30767839/apathy-associated-with-impaired-recognition-of-happy-facial-expressions-in-huntington-s-disease
#1
Katherine Osborne-Crowley, Sophie C Andrews, Izelle Labuschagne, Akshay Nair, Rachael Scahill, David Craufurd, Sarah J Tabrizi, Julie C Stout
OBJECTIVES: Previous research has demonstrated an association between emotion recognition and apathy in several neurological conditions involving fronto-striatal pathology, including Parkinson's disease and brain injury. In line with these findings, we aimed to determine whether apathetic participants with early Huntington's disease (HD) were more impaired on an emotion recognition task compared to non-apathetic participants and healthy controls. METHODS: We included 43 participants from the TRACK-HD study who reported apathy on the Problem Behaviours Assessment - short version (PBA-S), 67 participants who reported no apathy, and 107 controls matched for age, sex, and level of education...
February 15, 2019: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30729910/neuropsychological-findings-in-hamamy-syndrome-a-clinical-case-report
#2
Cynthia Roukoz, Rama Kanj, Fadi T Maalouf, Pia Zeinoun
This study, reports for the first time, the neuropsychological profile of a child with Hamamy syndrome-a rare genetic disorder with only five published cases (Buget, Canbolat, Akgul, & Kucukay, 2015). The patient was seen for a neuropsychological evaluation at ages 6 and 7, at the American University of Beirut Medical Center. Procedures included an extended clinical interview with the parent, behavioral observations, formal tests, and a series of parental rating scales. Patient was found to have relatively spared nonverbal intelligence, borderline-impaired language, and clinically impaired verbal reasoning, attention, and motor coordination...
February 7, 2019: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30729905/combined-processing-of-facial-and-vocal-emotion-in-remitted-patients-with-bipolar-i-disorder
#3
Christine M Hoertnagl, Falko Biedermann, Nursen Yalcin-Siedentopf, Anna-Sophia Welte, Beatrice Frajo-Apor, Eberhard A Deisenhammer, Armand Hausmann, Georg Kemmler, Moritz Muehlbacher, Alex Hofer
OBJECTIVES: Bipolar disorder (BD) is associated with impairments in facial emotion and emotional prosody perception during both mood episodes and periods of remission. To expand on previous research, the current study investigated cross-modal emotion perception, that is, matching of facial emotion and emotional prosody in remitted BD patients. METHODS: Fifty-nine outpatients with BD and 45 healthy volunteers were included into a cross-sectional study. Cross-modal emotion perception was investigated by using two subtests out of the Comprehensive Affective Testing System (CATS)...
February 7, 2019: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30700339/laterality-of-damage-influences-the-relationship-between-impairment-and-arm-use-after-stroke
#4
Goldy Yadav, Kathleen Y Haaland, Pratik K Mutha
OBJECTIVES: To investigate whether the relationship between arm use and motor impairment post-stroke is influenced by the hemisphere of damage. METHODS: Right-handed patients with unilateral left hemisphere damage (LHD) or right (RHD) (n=58; 28 LHD, 30 RHD) were recruited for this study. The Arm Motor Ability Test and Functional Impact Assessment were used to derive arm use patterns. The Fugl-Meyer motor assessment scale was used to quantify the level of motor impairment...
January 31, 2019: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30696518/autobiographical-memory-from-different-life-stages-in-individuals-with-obstructive-sleep-apnea
#5
Neha Delhikar, Lucy Sommers, Genevieve Rayner, Rachel Schembri, Stephen R Robinson, Sarah Wilson, Melinda L Jackson
OBJECTIVES: Autobiographical memory dysfunction is a marker of vulnerability to depression. Patients with obstructive sleep apnea (OSA) experience high rates of depression and memory impairment, and autobiographical memory impairments have been observed compared to healthy controls; however, these groups were not age-matched. This study aimed to determine whether individuals with untreated OSA have impaired autobiographical memory when compared to age-matched controls, and to assess the quality of autobiographical memories from three broad time points...
January 30, 2019: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30696511/assessing-planning-ability-across-the-adult-life-span-in-a-large-population-representative-sample-reliability-estimates-and-normative-data-for-the-tower-of-london-tol-f-task
#6
Josef M Unterrainer, Benjamin Rahm, Christoph P Kaller, Philipp S Wild, Thomas Münzel, Maria Blettner, Karl Lackner, Norbert Pfeiffer, Manfred E Beutel
OBJECTIVES: The Tower of London (TOL) test has probably become the most often used task to assess planning ability in clinical and experimental settings. Since its implementation, efforts were made to provide a task version with adequate psychometric properties, but extensive normative data are not publicly available until now. The computerized TOL-Freiburg Version (TOL-F) was developed based on theory-grounded task analyses, and its psychometric adequacy has been repeatedly demonstrated in several studies but often with small and selective samples...
January 30, 2019: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30696494/do-alzheimer-s-disease-patients-benefit-from-prior-knowledge-in-associative-recognition-memory
#7
Emma Delhaye, Adrien Folville, Isabelle Simoes Loureiro, Laurent Lefebvre, Eric Salmon, Christine Bastin
OBJECTIVES: Although the influence of prior knowledge on associative memory in healthy aging has received great attention, it has never been studied in Alzheimer's disease (AD). This study aimed at assessing whether AD patients could benefit from prior knowledge in associative memory and whether such benefit would be related to the integrity of their semantic memory. METHODS: Twenty-one AD patients and 21 healthy older adults took part in an associative memory task using semantically related and unrelated word pairs and were also submitted to an evaluation of their semantic memory...
January 30, 2019: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30691545/the-neuropsychological-syndrome-of-agenesis-of-the-corpus-callosum
#8
Warren S Brown, Lynn K Paul
BACKGROUND: Agenesis of the corpus callosum (AgCC) involves congenital absence of all or part of the corpus callosum. Because the disorder can only be firmly diagnosed via neuroradiology, it has a short research history, and only recently has the cognitive syndrome become clear. PURPOSE: Our purpose is to review the primary deficits in AgCC that constitute the core syndrome. CONCLUSIONS: The cores syndrome includes: (1) reduced interhemispheric transfer of sensory-motor information; (2) reduced cognitive processing speed; and (3) deficits in complex reasoning and novel problem-solving...
January 29, 2019: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30691540/effects-of-anodal-transcranial-direct-current-stimulation-atdcs-on-sentence-comprehension
#9
Jarrad A G Lum, Gillian M Clark, Caitlyn M Rogers, James D Skalkos, Ian Fuelscher, Christian Hyde, Peter G Enticott
OBJECTIVES: This study examined the effects of anodal transcranial direct current stimulation (a-tDCS) on sentence and word comprehension in healthy adults. METHODS: Healthy adult participants, aged between 19 and 30 years, received either a-tDCS over the left inferior frontal gyrus (n=18) or sham stimulation (n=18). Participants completed sentence comprehension and word comprehension tasks before and during stimulation. Accuracy and reaction times (RTs) were recorded as participants completed both tasks...
January 29, 2019: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30681046/neuropsychological-characteristics-of-the-confusional-state-following-traumatic-brain-injury
#10
Rachel E Keelan, Elaine J Mahoney, Mark Sherer, Tessa Hart, Joseph Giacino, Yelena G Bodien, Risa Nakase-Richardson, Kristen Dams-O'Connor, Thomas A Novack, Rodney D Vanderploeg
OBJECTIVES: Individuals with moderate-severe traumatic brain injury (TBI) experience a transitory state of impaired consciousness and confusion often called posttraumatic confusional state (PTCS). This study examined the neuropsychological profile of PTCS. METHODS: Neuropsychometric profiles of 349 individuals in the TBI Model Systems National Database were examined 4 weeks post-TBI (±2 weeks). The PTCS group was subdivided into Low (n=46) and High Performing PTCS (n=45) via median split on an orientation/amnesia measure, and compared to participants who had emerged from PTCS (n=258)...
January 25, 2019: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30681045/theta-band-functional-connectivity-and-single-trial-cognitive-control-in-sports-related-concussion-demonstration-of-proof-of-concept-for-a-potential-biomarker-of-concussion
#11
Ezra E Smith, John J B Allen
OBJECTIVES: This report examined theta-band neurodynamics for potential biomarkers of brain health in athletes with concussion. METHODS: Participants included college-age contact/collision athletes with (N=24) and without a history of concussion (N=16) in Study 1. Study 2 (N=10) examined changes over time in contact/collision athletes. There were two primary dependent variables: (1) theta-band phase-synchronization (e.g., functional connectivity) between medial and right-lateral electrodes; and (2) the within-subject correlation between synchronization strength on error trials and post-error reaction time (i...
January 25, 2019: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30575498/type-2-diabetes-and-cognitive-functions-in-middle-age-a-meta-analysis
#12
Elina Pelimanni, Mervi Jehkonen
OBJECTIVES: Type 2 diabetes mellitus has been linked with cognitive decrement and an increased risk of dementia in older people. Less is known about whether diabetes affects cognition at younger ages. The objective of this meta-analysis was to examine possible differences (effect sizes) in cognitive performance between middle-aged type 2 diabetic patients and healthy controls. Secondary aim was to examine whether age is related to the magnitude of effect sizes. METHODS: Electronic databases and lists of references of selected articles were used to search for studies examining type 2 diabetes and cognition in patients under age 65 compared to healthy controls...
December 21, 2018: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30567616/lonely-but-not-alone-neuroticism-mediates-the-relationship-between-social-network-size-and-loneliness-in-individuals-with-traumatic-brain-injury
#13
Arianna Rigon, Melissa C Duff, Janelle Beadle
OBJECTIVES: Although individuals with traumatic brain injury (TBI) often report higher levels of social isolation, little is known about the factors influencing their self-perception of loneliness. The aim of the current study was to investigate the relationship between loneliness, social network size, and personality variables (neuroticism and extraversion) after TBI, and in particular whether specific personality variables mediate the relationship between social network size and perception of loneliness...
December 20, 2018: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30558685/working-memory-and-attention-influence-antisaccade-error-rate-in-schizophrenia
#14
Elizabeth H X Thomas, Susan L Rossell, Jessica B Myles, Eric J Tan, Erica Neill, Sean P Carruthers, Philip J Sumner, Kiymet Bozaoglu, Caroline Gurvich
OBJECTIVES: Antisaccade error rate has been proposed to be one of the most promising endophenotypes for schizophrenia. Increased error rate in patients has been associated with working memory, attention and other executive function impairments. The relationship between antisaccade error rate and other neuropsychological processes in patients compared to healthy controls has not been explored in depth. This study aimed to replicate the finding of heightened antisaccade error rate in patients and determine which cognitive processes were most strongly associated with antisaccade error rate in both patients and controls...
December 18, 2018: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30522545/characterizing-the-effects-of-sex-apoe-%C3%A9-4-and-literacy-on-mid-life-cognitive-trajectories-application-of-information-theoretic-model-averaging-and-multi-model-inference-techniques-to-the-wisconsin-registry-for-alzheimer-s-prevention-study
#15
Rebecca L Koscik, Derek L Norton, Samantha L Allison, Erin M Jonaitis, Lindsay R Clark, Kimberly D Mueller, Bruce P Hermann, Corinne D Engelman, Carey E Gleason, Mark A Sager, Richard J Chappell, Sterling C Johnson
OBJECTIVES: Prior research has identified numerous genetic (including sex), education, health, and lifestyle factors that predict cognitive decline. Traditional model selection approaches (e.g., backward or stepwise selection) attempt to find one model that best fits the observed data, risking interpretations that only the selected predictors are important. In reality, several predictor combinations may fit similarly well but result in different conclusions (e.g., about size and significance of parameter estimates)...
December 7, 2018: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30520706/diminished-risk-aversion-after-right-dlpfc-stimulation-effects-of-rtms-on-a-risky-ball-throwing-task
#16
Jaan Tulviste, Talis Bachmann
OBJECTIVES: Several studies on human risk taking and risk aversion have reported the involvement of the dorsolateral prefrontal cortex (DLPFC). Yet, current knowledge of the neural mechanisms of risk-related decision making is not conclusive, mainly relying on studies using non-motor tasks. Here we examine how modulation of DLPFC activity by repetitive transcranial magnetic stimulation (rTMS) affects risk-taking behavior during a motor response task. METHODS: One-Hertz rTMS to the right DLPFC was applied to monitor risk-taking and risk-aversion performance during a goal-directed risky task with motor response...
December 6, 2018: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30511603/executive-functioning-in-the-dystrophinopathies-and-the-relation-to-underlying-mutation-position
#17
Robert J Fee, Jacqueline Montes, Veronica J Hinton
OBJECTIVES: The aim of this study was to investigate executive skills in children with dystrophinopathy and to examine the association between executive functions and dystrophin gene mutation position. METHODS: Fifty boys with dystrophinopathy (mean age, 11 years 0 months; ages range, 5 to 17 years) completed measures of intellectual functioning (IF), working memory and executive functioning [including Digit Span (working memory) and measures from the NIH Toolbox (selective attention/inhibitory control, set shifting, working memory, and processing speed)]...
December 4, 2018: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30501660/action-control-deficits-in-patients-with-essential-tremor
#18
Shelby Hughes, Daniel O Claassen, Wery P M van den Wildenberg, Fenna T Phibbs, Elise B Bradley, Scott A Wylie, Nelleke C van Wouwe
OBJECTIVES: Essential tremor (ET) is a movement disorder characterized by action tremor which impacts motor execution. Given the disrupted cerebellar-thalamo-cortical networks in ET, we hypothesized that ET could interfere with the control mechanisms involved in regulating motor performance. The ability to inhibit or stop actions is critical for navigating many daily life situations such as driving or social interactions. The current study investigated the speed of action initiation and two forms of action control, response stopping and proactive slowing in ET...
December 3, 2018: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30501659/swedish-version-of-the-hayling-test-clinical-utility-in-frontotemporal-dementia-syndromes
#19
Susanna Vestberg, Erik Blennow Nordström, Maria Landqvist Waldö, Karin Nilsson, Alexander Frizell Santillo, Christer Nilsson
OBJECTIVES: The aim of this study was to assess the psychometric properties of a Swedish version of the Hayling test (HT-S) and its clinical utility in a group of patients with different frontotemporal dementia (FTD) syndromes. Early diagnosis of FTD is a challenge and requires a broad arsenal of assessment methods, neuropsychological tests not the least. The Hayling test assesses executive functions including initiation, efficiency and response inhibition. METHODS: Seventy-six healthy controls were included as well as patients with the behavioral variant FTD (bvFTD; n = 17), semantic dementia (SD, n = 6), and progressive supranuclear palsy (n = 12)...
December 3, 2018: Journal of the International Neuropsychological Society: JINS
https://read.qxmd.com/read/30486914/the-influence-of-focused-and-sustained-spatial-attention-on-the-allocation-of-spatial-attention
#20
Damon G Lamb, Kristi T Balavage, John B Williamson, Lauren A Knight, Kenneth M Heilman
OBJECTIVE: The objective of this study was to evaluate the impact of directed and sustained attention on the allocation of visuospatial attention. Healthy people often have left lateral and upward vertical spatial attentional biases. However, it is not known whether there will be an increase in bias toward the attended portion of the stimulus when volitional spatial attention is allocated to a portion of a stimulus, whether there are asymmetrical spatial alterations of these biases, and how sustained attention influences these biases...
November 29, 2018: Journal of the International Neuropsychological Society: JINS
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