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https://www.readbyqxmd.com/read/28427203/regional-structural-impairments-outside-lesions-are-associated-with-verbal-short-term-memory-deficits-in-chronic-subcortical-stroke
#1
Qingqing Diao, Jingchun Liu, Caihong Wang, Jingliang Cheng, Tong Han, Xuejun Zhang
BACKGROUND AND PURPOSE: We aimed to explore the neural mechanisms of verbal short-term memory (VSTM) impairment in subcortical stroke by evaluating the contributions of lesion and remote grey matter volume (GMV) reduction. RESULTS: There was no significant correlation between lesions and VSTM. In stroke patients with left lesions, GMV reductions in the right middle frontal gyrus and in the left inferior frontal gyrus were positively correlated with VSTM impairment...
March 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426375/united-states-population-based-estimates-of-patient-reported-outcomes-measurement-information-system-symptom-and-functional-status-reference-values-for-individuals-with-cancer
#2
Roxanne E Jensen, Arnold L Potosky, Carol M Moinpour, Tania Lobo, David Cella, Elizabeth A Hahn, David Thissen, Ashley Wilder Smith, Jaeil Ahn, George Luta, Bryce B Reeve
Purpose To estimate cancer population-based reference values in the United States for eight PROMIS (Patient-Reported Outcomes Measurement Information System) domains by age and stage of disease. Patients and Methods For the Measuring Your Health (MY-Health) study, persons newly diagnosed with cancer (prostate, colorectal, non-small-cell lung, non-Hodgkin lymphoma, breast, uterine, or cervical) from 2010 to 2012 (N = 5,284) were recruited through the National Cancer Institute's SEER Program. Participants were mailed surveys 6 to 13 months after diagnosis...
April 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28425688/pediatric-epilepsy-and-psychiatric-comorbidity-preliminary-observational-data-from-a-prospective-study
#3
Michela Gatta, Alessia Raffagnato, Stefania Mannarini, Laura Balottin, Irene Toldo, Marilena Vecchi, Clementina Boniver
BACKGROUND: Several studies have confirmed psychiatric comorbidity and a worse quality of life in children with epilepsy, but the clinical assessment and monitoring of these patients often pays insufficient attention to their psychological aspects alongside their neurological issues. The present study aims to describe the distribution of psychopathologies and their clinical evolution over 18 months in a sample of children followed up since the onset of their epilepsy. METHODS: After being diagnosed with epilepsy, 49 subjects (age 4-18y) were followed up with psychiatric and psychological assessments based on the use of dimensional and categorical psychometric tools...
April 20, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28425324/persistent-idiopathic-facial-pain
#4
Rafael Benoliel, Charly Gaul
Background Persistent idiopathic facial pain (PIFP) is a chronic disorder recurring daily for more than two hours per day over more than three months, in the absence of clinical neurological deficit. PIFP is the current terminology for Atypical Facial Pain and is characterized by daily or near daily pain that is initially confined but may subsequently spread. Pain cannot be attributed to any pathological process, although traumatic neuropathic mechanisms are suspected. When present intraorally, PIFP has been termed 'Atypical Odontalgia', and this entity is discussed in a separate article in this special issue...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28424901/driving-with-a-neurodegenerative-disorder-an-overview-of-the-current-literature
#5
REVIEW
Milou Jacobs, Ellen P Hart, Raymund A C Roos
Driving is important for employment, social activities, and for the feeling of independence. The decision to cease driving affects the quality of life and has been associated with reduced mobility, social isolation, and sadness. Patients with neurodegenerative disorders can experience difficulties while driving due to their cognitive, motor, and behavioral impairments. The aim of this review is to summarize the available literature on changes in driving competence and behavior in patients with neurodegenerative disorders, with a particular focus on Huntington's (HD), Parkinson's (PD), and Alzheimer's disease (AD)...
April 19, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28424611/modafinil-induced-changes-in-functional-connectivity-in-the-cortex-and-cerebellum-of-healthy-elderly-subjects
#6
Miriam Punzi, Tommaso Gili, Laura Petrosini, Carlo Caltagirone, Gianfranco Spalletta, Stefano L Sensi
In the past few years, cognitive enhancing drugs (CEDs) have gained growing interest and the focus of investigations aimed at exploring their use to potentiate the cognitive performances of healthy individuals. Most of this exploratory CED-related research has been performed on young adults. However, CEDs may also help to maintain optimal brain functioning or compensate for subtle and or subclinical deficits associated with brain aging or early-stage dementia. In this study, we assessed effects on resting state brain activity in a group of healthy elderly subjects undergoing acute administration of modafinil, a wakefulness-promoting agent...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28424610/characterizing-brain-iron-deposition-in-patients-with-subcortical-vascular-mild-cognitive-impairment-using-quantitative-susceptibility-mapping-a-potential-biomarker
#7
Yawen Sun, Xin Ge, Xu Han, Wenwei Cao, Yao Wang, Weina Ding, Mengqiu Cao, Yong Zhang, Qun Xu, Yan Zhou, Jianrong Xu
The presence and pattern of iron accumulation in subcortical vascular mild cognitive impairment (svMCI) and their effects on cognition have rarely been investigated. We aimed to examine brain iron deposition in svMCI subjects using quantitative susceptibility mapping (QSM). Moreover, we aimed to investigate the correlation between brain iron deposition and the severity of cognitive impairment as indicated by z-scores. We recruited 20 subcortical ischemic vascular disease (SIVD) patients who fulfilled the criteria for svMCI...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28422955/low-cholesterol-level-associated-with-severity-and-outcome-of-spontaneous-intracerebral-hemorrhage-results-from-taiwan-stroke-registry
#8
Yu-Wei Chen, Chen-Hua Li, Chih-Dong Yang, Chung-Hsiang Liu, Chih-Hung Chen, Jau-Jiuan Sheu, Shinn-Kuang Lin, An-Chih Chen, Ping-Kun Chen, Po-Lin Chen, Chung-Hsin Yeh, Jiunn-Rong Chen, Yu-Jen Hsiao, Ching-Huang Lin, Shih-Pin Hsu, Tsang-Shan Chen, Sheng-Feng Sung, Shih-Chieh Yu, Chih-Hsin Muo, Chi Pang Wen, Fung-Chang Sung, Jiann-Shing Jeng, Chung Y Hsu
The relationship between cholesterol level and hemorrhagic stroke is inconclusive. We hypothesized that low cholesterol levels may have association with intracerebral hemorrhage (ICH) severity at admission and 3-month outcomes. This study used data obtained from a multi-center stroke registry program in Taiwan. We categorized acute spontaneous ICH patients, based on their baseline levels of total cholesterol (TC) measured at admission, into 3 groups with <160, 160-200 and >200 mg/dL of TC. We evaluated risk of having initial stroke severity, with National Institutes of Health Stroke Scale (NIHSS) >15 and unfavorable outcomes (modified Rankin Scale [mRS] score >2, 3-month mortality) after ICH by the TC group...
2017: PloS One
https://www.readbyqxmd.com/read/28422950/application-of-high-resolution-array-comparative-genomic-hybridization-in-children-with-unknown-syndromic-microcephaly
#9
Eirini Tsoutsou, Maria Tzetis, Krinio Giannikou, Maria Braoudaki, Anastasis Mitrakos, Stella Amenta, Nikoletta Selenti, Emmanouil Kanavakis, Dimitrios Zafeiriou, Sophia Kitsiou-Tzeli, Helena Fryssira
BACKROUND: Microcephaly can be either isolated or coexists with other neurological entities and/or multiple congenital anomalies, known as syndromic microcephaly. Although many syndromic cases can be classified based on the characteristic phenotype, some others remain uncertain and require further investigation. The present study describes the application of array-Comparative Genomic Hybridization (array-CGH) as a diagnostic tool for the study of patients with clinical unknown syndromic microcephaly...
April 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28421841/adolescent-with-prolonged-toxidrome
#10
Jami Johnson, Kristie Williams, William Banner
A 13-year-old female was presented to the emergency department following an intentional ingestion. The patient developed significant toxicity including multiple, discreet tonic-clonic seizures. Despite appropriate resuscitation and antidotal management, the patient's symptoms persisted for more than 36 hours post-ingestion. An upright abdominal radiograph was performed revealing a radiopacity suggesting a pharmacobezoar. An esophagogastroduodenoscopy was performed with successful removal of a tennis ball-sized pharmacobezoar...
June 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28421383/pharmacokinetics-safety-and-tolerability-of-single-and-multiple-doses-of-guanfacine-extended-release-formulation-in-healthy-japanese-and-caucasian-male-adults
#11
Yumiko Matsuo, Masafumi Okita, James Ermer, Toshihiro Wajima
BACKGROUND AND OBJECTIVE: Guanfacine extended-release (guanfacine XR) could be a useful treatment option for children and adolescent patients with attention-deficit/hyperactivity disorder (ADHD). As an initial step in the development in Japan, the pharmacokinetics, safety and tolerability were assessed in healthy Japanese and non-Hispanic Caucasian adults. METHODS: A Phase 1, double-blind, randomized, placebo-controlled, single- and multiple-oral dose escalation study of guanfacine XR was conducted...
April 18, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28420979/evidence-for-a-selectively-regulated-prioritization-shift-depending-on-walking-situations-in-older-adults
#12
Dina Salkovic, Markus A Hobert, Carolin Bellut, Florian Funer, Sarah Renno, Linda Haertner, Sandra E Hasmann, Jana Staebler, Johanna Geritz, Ulrike Suenkel, Andreas J Fallgatter, Gerhard W Eschweiler, Daniela Berg, Walter Maetzler
Background: Older adults have increased risks of balance issues and falls when walking and performing turns in daily situations. Changes of prioritization during different walking situations associated with dual tasking may contribute to these deficits. The objective of this study was therefore to investigate whether older adults demonstrate changes of prioritization during different walking paths. Methods: In total, 1,054 subjects with an age range from 50 to 83 years were selected from the first follow-up visit of the TREND (Tuebinger evaluation of Risk factors for Early detection of Neurodegenerative Disorders) study...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28420972/multi-modal-multi-measure-and-multi-class-discrimination-of-adhd-with-hierarchical-feature-extraction-and-extreme-learning-machine-using-structural-and-functional-brain-mri
#13
Muhammad Naveed Iqbal Qureshi, Jooyoung Oh, Beomjun Min, Hang Joon Jo, Boreom Lee
Structural and functional MRI unveil many hidden properties of the human brain. We performed this multi-class classification study on selected subjects from the publically available attention deficit hyperactivity disorder ADHD-200 dataset of patients and healthy children. The dataset has three groups, namely, ADHD inattentive, ADHD combined, and typically developing. We calculated the global averaged functional connectivity maps across the whole cortex to extract anatomical atlas parcellation based features from the resting-state fMRI (rs-fMRI) data and cortical parcellation based features from the structural MRI (sMRI) data...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28420599/use-of-machine-learning-classifiers-and-sensor-data-to-detect-neurological-deficit-in-stroke-patients
#14
Eunjeong Park, Hyuk-Jae Chang, Hyo Suk Nam
BACKGROUND: The pronator drift test (PDT), a neurological examination, is widely used in clinics to measure motor weakness of stroke patients. OBJECTIVE: The aim of this study was to develop a PDT tool with machine learning classifiers to detect stroke symptoms based on quantification of proximal arm weakness using inertial sensors and signal processing. METHODS: We extracted features of drift and pronation from accelerometer signals of wearable devices on the inner wrists of 16 stroke patients and 10 healthy controls...
April 18, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28420456/impaired-comprehension-of-speed-verbs-in-parkinson-s-disease
#15
Laura J Speed, Wessel O van Dam, Priyantha Hirath, Gabriella Vigliocco, Rutvik H Desai
OBJECTIVES: A wealth of studies provide evidence for action simulation during language comprehension. Recent research suggests such action simulations might be sensitive to fine-grained information, such as speed. Here, we present a crucial test for action simulation of speed in language by assessing speed comprehension in patients with Parkinson's disease (PD). Based on the patients' motor deficits, we hypothesized that the speed of motion described in language would modulate their performance in semantic tasks...
April 19, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28420245/a-first-approach-to-a-neuropsychological-screening-tool-using-eye-tracking-for-bedside-cognitive-testing-based-on-the-edinburgh-cognitive-and-behavioural-als-screen
#16
Jürgen Keller, Amon Krimly, Lisa Bauer, Sarah Schulenburg, Sarah Böhm, Helena E A Aho-Özhan, Ingo Uttner, Martin Gorges, Jan Kassubek, Elmar H Pinkhardt, Sharon Abrahams, Albert C Ludolph, Dorothée Lulé
OBJECTIVE: Reliable assessment of cognitive functions is a challenging task in amyotrophic lateral sclerosis (ALS) patients unable to speak and write. We therefore present an eye-tracking based neuropsychological screening tool based on the Edinburgh Cognitive and Behavioural ALS Screen (ECAS), a standard screening tool for cognitive deficits in ALS. METHODS: In total, 46 ALS patients and 50 healthy controls matched for age, gender and education were tested with an oculomotor based and a standard paper-and-pencil version of the ECAS...
April 19, 2017: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/28420201/a-transcriptomic-comparison-of-two-bambara-groundnut-landraces-under-dehydration-stress
#17
Faraz Khan, Hui Hui Chai, Ishan Ajmera, Charlie Hodgman, Sean Mayes, Chungui Lu
The ability to grow crops under low-water conditions is a significant advantage in relation to global food security. Bambara groundnut is an underutilised crop grown by subsistence farmers in Africa and is known to survive in regions of water deficit. This study focuses on the analysis of the transcriptomic changes in two bambara groundnut landraces in response to dehydration stress. A cross-species hybridisation approach based on the Soybean Affymetrix GeneChip array has been employed. The differential gene expression analysis of a water-limited treatment, however, showed that the two landraces responded with almost completely different sets of genes...
April 18, 2017: Genes
https://www.readbyqxmd.com/read/28419682/game-theoretical-mapping-of-causal-interactions-underlying-visuo-spatial-attention-in-the-human-brain-based-on-stroke-lesions
#18
Monica N Toba, Melissa Zavaglia, Federica Rastelli, Romain Valabrégue, Pascale Pradat-Diehl, Antoni Valero-Cabré, Claus C Hilgetag
Anatomical studies conducted in neurological conditions have developed our understanding of the causal relationships between brain lesions and their clinical consequences. The analysis of lesion patterns extended across brain networks has been particularly useful in offering new insights on brain-behavior relationships. Here we applied multiperturbation Shapley value Analysis (MSA), a multivariate method based on coalitional game theory inferring causal regional contributions to specific behavioral outcomes from the characteristic functional deficits after stroke lesions...
April 17, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28419448/understanding-the-transfer-deficit-contextual-mismatch-proactive-interference-and-working-memory-affect-toddlers-video-based-transfer
#19
Koeun Choi, Heather L Kirkorian, Tiffany A Pempek
Researchers tested the impact of contextual mismatch, proactive interference, and working memory (WM) on toddlers' transfer across contexts. Forty-two toddlers (27-34 months) completed four object-retrieval trials, requiring memory updating on Trials 2-4. Participants watched hiding events on a tablet computer. Search performance was tested using another tablet (match) or a felt board (mismatch). WM was assessed. On earlier search trials, WM predicted transfer in both conditions, and toddlers in the match condition outperformed those in the mismatch condition; however, the benefit of contextual match and WM decreased over trials...
April 17, 2017: Child Development
https://www.readbyqxmd.com/read/28419363/applying-drought-to-potted-plants-by-maintaining-suboptimal-soil-moisture-improves-plant-water-relations
#20
Jaime Puértolas, Elisabeth K Larsen, William J Davies, Ian C Dodd
Pot-based phenotyping of drought response sometimes maintains suboptimal soil water content by applying high-frequency deficit irrigation (HFDI). We examined the effect of this treatment on water and abscisic acid (ABA) relations of two species (Helianthus annuus and Populus nigra). Suboptimal soil water content was maintained by frequent irrigation, and compared with the effects of withholding water and with adequate irrigation. At the same average whole-pot soil moisture, frequent irrigation resulted in larger soil water content gradients, lower root and xylem ABA concentrations ([X-ABA]), along with higher transpiration rates or stomatal conductance, compared with plants from which water was withheld...
April 17, 2017: Journal of Experimental Botany
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