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Neuropsychology

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443 papers 100 to 500 followers
https://www.readbyqxmd.com/read/28453603/the-effect-of-insomnia-on-neuropsychological-functioning-in-patients-with-comorbid-symptoms-of-pain-fatigue-and-mood-disorders
#1
Julie Aasvik, Tore C Stiles, Astrid Woodhouse, Petter Borchgrevink, Nils Inge Landrø
Objectives: To examine if elevated symptoms of insomnia affects neuropsychological functioning in patients with concurrent symptoms of pain, fatigue, and mood disorders. Methods and results: A total of seventy-six subjects participated in this (cross-sectional) study. Based on the cut-off score guidelines from The Insomnia Severity Index subjects were assigned to either a clinical insomnia group (N = 35) or a comparison group (N = 41). Factors such as age, general cognitive functioning, and symptoms of pain, fatigue, depression, and anxiety did not differ between the groups...
April 27, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28444123/a-comparison-of-four-computerized-neurocognitive-assessment-tools%C3%A2-to-a-traditional-neuropsychological-test-battery-in-service-members-with-and-without-mild-traumatic-brain-injury
#2
Wesley R Cole, Jacques P Arrieux, Brian J Ivins, Karen A Schwab, Felicia M Qashu
Objective: Computerized neurocognitive assessment tools (NCATS) are often used as a screening tool to identify cognitive deficits after mild traumatic brain injury (mTBI). However, differing methodology across studies renders it difficult to identify a consensus regarding the validity of NCATs. Thus, studies where multiple NCATs are administered in the same sample using the same methodology are warranted. Method: We investigated the validity of four NCATs: the ANAM4, CNS-VS, CogState, and ImPACT...
April 24, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28427934/cognitive-subtypes-of-probable-alzheimer-s-disease-robustly-identified-in%C3%A2-four-cohorts
#3
Nienke M E Scheltens, Betty M Tijms, Teddy Koene, Frederik Barkhof, Charlotte E Teunissen, Steffen Wolfsgruber, Michael Wagner, Johannes Kornhuber, Oliver Peters, Brendan I Cohn-Sheehy, Gil D Rabinovici, Bruce L Miller, Joel H Kramer, Philip Scheltens, Wiesje M van der Flier
INTRODUCTION: Patients with Alzheimer's disease (AD) show heterogeneity in profile of cognitive impairment. We aimed to identify cognitive subtypes in four large AD cohorts using a data-driven clustering approach. METHODS: We included probable AD dementia patients from the Amsterdam Dementia Cohort (n = 496), Alzheimer's Disease Neuroimaging Initiative (n = 376), German Dementia Competence Network (n = 521), and University of California, San Francisco (n = 589)...
April 17, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28427970/structured-evaluation-of-glioma-patients-by-an-occupational-therapist-is-our-clinical-examination-enough
#4
Christian Franz Freyschlag, Johannes Kerschbaumer, Daniel Pinggera, Gabriele Bacher, Claudius Thomé
BACKGROUND: Preservation of neurological function is mandatory when offering a surgical intervention to patients with low-grade gliomas (LGG), given that the goal of any treatment is the patient's return to their normal everyday life. OBJECTIVE: To determine whether a structured evaluation by an occupational therapist can reveal deficits that might be overseen in routine clinical examination of patients with a surgically treated LGG. METHODS: 20 patients with radiographically suspected LGG have been examined in a standardized fashion at three stages: pre-, postoperatively and three months thereafter...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28432987/multimodal-imaging-of-language-reorganization-in-patients-with-left-temporal-lobe-epilepsy
#5
Yu-Hsuan A Chang, Nobuko Kemmotsu, Kelly M Leyden, N Erkut Kucukboyaci, Vicente J Iragui, Evelyn S Tecoma, Leena Kansal, Marc A Norman, Rachelle Compton, Tobin J Ehrlich, Vedang S Uttarwar, Anny Reyes, Brianna M Paul, Carrie R McDonald
This study explored the relationships among multimodal imaging, clinical features, and language impairment in patients with left temporal lobe epilepsy (LTLE). Fourteen patients with LTLE and 26 controls underwent structural MRI, functional MRI, diffusion tensor imaging, and neuropsychological language tasks. Laterality indices were calculated for each imaging modality and a principal component (PC) was derived from language measures. Correlations were performed among imaging measures, as well as to the language PC...
April 19, 2017: Brain and Language
https://www.readbyqxmd.com/read/28410466/history-of-surgery-for-temporal-lobe-epilepsy
#6
REVIEW
Ali A Asadi-Pooya, Cyrus Rostami
The history of epilepsy and its treatment goes back to ancient times when it included medicinal herbs, lifestyle modifications, and even surgery. Trepanation is considered the oldest surgical procedure for the treatment of epilepsy. The first series of temporal lobectomies for the treatment of drug-resistant epilepsy were reported by Penfield and Flanigin (1950). During the years since then, neuroimaging and other technologies have had remarkable and revolutionary progress. This progress has resulted in tremendous advancements in understanding the underlying causes and pathophysiology of epilepsies...
May 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28377253/implementing-functional-preoperative-mapping-in-the-clinical-routine-of-a-neurosurgical-department-technical-note
#7
Nico Sollmann, Bernhard Meyer, Sandro M Krieg
BACKGROUND: Navigated transcranial magnetic stimulation (nTMS) is increasingly being used for mapping of various brain functions and nTMS-based tractography in neurosurgical departments worldwide. When a department starts integrating nTMS data into the clinical workflow, smooth implementation in the existing hospital's infrastructure is mandatory. However, standardized approaches beyond the mapping or tractography procedures themselves have not yet been described. METHODS: To create an effective workflow for neurosurgical nTMS mapping, we present the results of our 7 years of experience and progressive integration into clinical routine...
April 1, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28397839/a-connectomic-approach-for-subcallosal-cingulate-deep-brain-stimulation-surgery-prospective-targeting-in-treatment-resistant-depression
#8
P Riva-Posse, K S Choi, P E Holtzheimer, A L Crowell, S J Garlow, J K Rajendra, C C McIntyre, R E Gross, H S Mayberg
Target identification and contact selection are known contributors to variability in efficacy across different clinical indications of deep brain stimulation surgery. A retrospective analysis of responders to subcallosal cingulate deep brain stimulation (SCC DBS) for depression demonstrated the common impact of the electrical stimulation on a stereotypic connectome of converging white matter bundles (forceps minor, uncinate fasciculus, cingulum and fronto-striatal fibers). To test the utility of a prospective connectomic approach for SCC DBS surgery, this pilot study used the four-bundle tractography 'connectome blueprint' to plan surgical targeting in 11 participants with treatment-resistant depression...
April 11, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28419879/challenging-the-myth-of-right-non-dominant-hemisphere-lessons-from-cortico-subcortical-stimulation-mapping-in-awake-surgery-and-surgical-implications
#9
REVIEW
Tatiana Vilasboas, Guillaume Herbet, Hugues Duffau
For a long time, the right hemisphere (RH) was considered as "non-dominant", especially in right-handers. In neurosurgical practice, this dogma resulted in the selection of awake procedure with language mapping only for lesions of the left "dominant" hemisphere. Conversely, surgery under general anesthesia (possibly with motor mapping) was usually proposed for right lesions. However, when objective neuropsychological assessments were performed, they frequently revealed cognitive and behavioral deficits following brain surgery, even in the RH...
April 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28425348/integration-of-functional-mri-and-white-matter-tractography-in-cyberknife-radiosurgery
#10
Lu Sun, Baolin Qu, Jinyuan Wang, Zhongjian Ju, Zizhong Zhang, Zhiqiang Cui, Yang Jack, Zhipei Ling, Xinguang Yu, Longsheng Pan
PURPOSE: To investigate the efficacy of the integration of functional magnetic resonance imaging and diffusion-tensor imaging tractography data into CyberKnife radiosurgery for intracranial tumor management. MATERIALS AND METHODS: Functional neuroimaging, anatomical magnetic resonance imaging, and computed tomography images of patients with brain lesions in critical areas were acquired before radiosurgery. The acquired data sets were coregistered using the MIM image fusion software module and then were imported into the CyberKnife Robotic Radiosurgery System (Multiplan 4...
January 1, 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/28391739/taxonomy-for-education-and-training-in-clinical-neuropsychology-past-present-and-future
#11
Scott A Sperling, Cynthia R Cimino, Nikki H Stricker, Amy K Heffelfinger, Jennifer L Gess, Katie E Osborn, Brad L Roper
OBJECTIVE: Historically, the clinical neuropsychology training community has not clearly or consistently defined education or training opportunities. The lack of consistency has limited students' and trainees' ability to accurately assess and compare the intensity of neuropsychology-specific training provided by programs. To address these issues and produce greater 'truth in advertising' across programs, CNS, with SCN's Education Advisory Committee (EAC), ADECN, AITCN, and APPCN constructed a specialty-specific taxonomy, namely, the Taxonomy for Education and Training in Clinical Neuropsychology...
April 10, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28429633/the-reliability-of-multidimensional-neuropsychological-measures-from-alpha-to-omega
#12
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/28427018/left-or-right-lateralizing-temporal-lobe-epilepsy-by-dynamic-amygdala-fmri
#13
Victoria Ives-Deliperi, James Thomas Butler, Hennric Jokeit
OBJECTIVES: In this case series, the findings of 85 functional MRI studies employing a dynamic fearful face paradigm are reported. Previous findings have shown the paradigm to generate bilateral amygdala activations in healthy subjects and unilateral activations in patients with MTLE, in the contralateral hemisphere to seizure origin. Such findings suggest ipsilateral limbic pathology and offer collateral evidence in lateralizing MTLE. METHODS: The series includes 60 patients with TLE, 12 patients with extra-temporal lobe epilepsy, and 13 healthy controls...
May 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28363248/the-resting-state-functional-magnetic-resonance-imaging-regional-homogeneity-metrics-kendall-s-coefficient-of-concordance-regional-homogeneity-and-coherence-regional-homogeneity-are-valid-indicators-of-tumor-related-neurovascular-uncoupling
#14
Shruti Agarwal, Haris I Sair, Jay J Pillai
The aim of this study is to determine whether regional homogeneity (ReHo) of resting-state blood oxygenation level-dependent (BOLD) functional magnetic resonance imaging (rsfMRI) data based on Kendall's coefficient of concordance (KCC-ReHo) and coherence (Cohe-ReHo) metrics may allow detection of brain tumor-induced neurovascular uncoupling (NVU) in the sensorimotor network similar to findings in standard motor task-based BOLD fMRI (tbfMRI) activation. Twelve de novo brain tumor patients undergoing clinical fMRI exams (tbfMRI and rsfMRI) were included in this Institutional Review Board (IRB)-approved study...
May 2017: Brain Connectivity
https://www.readbyqxmd.com/read/28364005/presurgical-brain-mapping-of-the-ventral-somatomotor-network-in-patients-with-brain-tumors-using-resting-state-fmri
#15
N Yahyavi-Firouz-Abadi, J J Pillai, M A Lindquist, V D Calhoun, S Agarwal, R D Airan, B Caffo, B Gujar, H I Sair
BACKGROUND AND PURPOSE: Resting-state fMRI readily identifies the dorsal but less consistently the ventral somatomotor network. Our aim was to assess the relative utility of resting-state fMRI in the identification of the ventral somatomotor network via comparison with task-based fMRI in patients with brain tumor. MATERIALS AND METHODS: We identified 26 surgically na|fkve patients referred for presurgical fMRI brain mapping who had undergone both satisfactory ventral motor activation tasks and resting-state fMRI...
March 31, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28383636/reliable-change-on-memory-tests-is-common-in-healthy-children-and-adolescents
#16
Brian L Brooks, James A Holdnack, Grant L Iverson
Objective: Neuropsychologists interpret a large number of scores in their assessments, including numerous retest scores to determine change over time. The rate at which healthy children and adolescents obtain reliably improved or declined memory scores when retested has yet to be explored. The purpose of this study was to illustrate the prevalence of reliable change scores on memory test batteries in healthy children and adolescents. Methods: Participants were children and adolescents from test-retest samples from two published memory test batteries (ChAMP and CMS)...
April 5, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/22380858/prediction-of-neuropsychological-outcome-after-resection-of-temporal-and-extratemporal-seizure-foci
#17
REVIEW
Mario F Dulay, Robyn M Busch
Resection of seizure foci is an effective treatment for the control of medically intractable epilepsy. However, cognitive morbidity can occur as a result of surgical intervention. This morbidity is dependent on several factors, including location and extent of resection, disease characteristics, patient demographic characteristics, and functional status of the tissue to be resected. In this review article, the authors provide a summary of the neurocognitive outcomes of epilepsy surgery with an emphasis on presurgical predictors of postsurgical cognitive decline...
March 2012: Neurosurgical Focus
https://www.readbyqxmd.com/read/19683476/presurgical-neuropsychological-testing-predicts-cognitive-and-seizure-outcomes-after-anterior-temporal-lobectomy
#18
Jennifer Loyden Potter, Bruce K Schefft, Dean W Beebe, Steven R Howe, Hwa-Shain Yeh, Michael D Privitera
We sought to determine significant predictors of seizure and cognitive outcome following surgery for epilepsy. Participants included 41 patients who had undergone anterior temporal lobectomy (ATL). Higher presurgical verbal/language scores and lower nonverbal memory scores were predictive of seizure-free status following ATL. Overall, the presurgical predictors were 93% accurate in discriminating between seizure-free and non-seizure-free patients postsurgery. Surgery in the nondominant-for-language hemisphere was predictive of higher postsurgical verbal/language and verbal memory scores...
October 2009: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/19726233/does-hippocampal-fdg-pet-asymmetry-predict-verbal-memory-dysfunction-after-left-temporal-lobectomy
#19
Beth A Leeman, Catherine L Leveroni, Keith A Johnson
The primary aim of this study was to determine whether hippocampal asymmetries in fluorodeoxyglucose (FDG) uptake on preoperative PET scans would predict post-temporal lobectomy verbal memory (VM) decline in patients with left temporal lobe epilepsy. A quantitative asymmetry index (AI) of uptake values within a hippocampal region of interest (ROI) was defined by an automated technique. No statistically significant effect of the hippocampal AI on the outcome measure, the pre- to postsurgical change in Logical Memory Percent Retention, was evident...
October 2009: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28337410/damage-to-white-matter-bottlenecks-contributes-to-language-impairments-after-left-hemispheric-stroke
#20
Joseph C Griffis, Rodolphe Nenert, Jane B Allendorfer, Jerzy P Szaflarski
Damage to the white matter underlying the left posterior temporal lobe leads to deficits in multiple language functions. The posterior temporal white matter may correspond to a bottleneck where both dorsal and ventral language pathways are vulnerable to simultaneous damage. Damage to a second putative white matter bottleneck in the left deep prefrontal white matter involving projections associated with ventral language pathways and thalamo-cortical projections has recently been proposed as a source of semantic deficits after stroke...
2017: NeuroImage: Clinical
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