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https://www.readbyqxmd.com/read/29337133/cathodal-tdcs-of-the-bilateral-anterior-temporal-lobes-facilitates-semantically-driven-verbal-fluency
#1
Richard J Binney, Bonnie M Zuckerman, Hilary N Waller, Jinyi Hung, Sameer A Ashaie, Jamie Reilly
In a verbal fluency task, a person is required to produce as many exemplars of a given category (e.g., 'animals', or words starting with 'f') as possible within a fixed duration. Successful verbal fluency performance relies both on the depth of search within semantic/phonological neighborhoods ('clustering') and the ability to flexibly disengage between exhausted clusters ('switching'). Convergent evidence from functional imaging and neuropsychology suggests that cluster-switch behaviors engage dissociable brain regions...
January 11, 2018: Neuropsychologia
https://www.readbyqxmd.com/read/29334906/rationale-and-design-of-the-carolina%C3%A2-cognition-substudy-a-randomised-controlled-trial-on-cognitive-outcomes-of-linagliptin-versus-glimepiride-in-patients-with-type-2-diabetes-mellitus
#2
Geert Jan Biessels, Jolien Janssen, Esther van den Berg, Bernard Zinman, Mark A Espeland, Michaela Mattheus, Odd Erik Johansen
BACKGROUND: Type 2 diabetes mellitus is associated with cognitive dysfunction and an increased risk of dementia. Linagliptin is a glucose-lowering agent of the dipeptidyl peptidase-IV (DPP-IV) inhibitor class that is of particular interest for the prevention of accelerated cognitive decline, because it may potentially benefit the brain through pleiotropic effects, beyond glucose lowering. This paper presents the design of a study that aims to establish if linagliptin is superior to the sulfonylurea glimepiride in the prevention of accelerated cognitive decline in patients with type 2 diabetes mellitus...
January 15, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29334837/more-expertise-for-a-better-perspective-task-and-strategy-driven-adaptive-neurofunctional-reorganization-for-word-production-in-high-performing-older-adults
#3
Ikram Methqal, Yannick Marsolais, Maximiliano A Wilson, Oury Monchi, Yves Joanette
The suggestion that neurofunctional reorganization may contribute to preserved language abilities is still emerging in aging studies. Some of these abilities, such as verbal fluency (VF), are not unitary but instead rely on different strategic processes that are differentially changed with age. Younger (n = 13) and older adults (n = 13) carried out an overt self-paced semantic and orthographic VF tasks within mixed fMRI design. Our results suggest that patterns of brain activation sustaining equivalent performances could be underpinned by different strategies facing brain changes during healthy aging...
January 16, 2018: Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition
https://www.readbyqxmd.com/read/29334322/plasma-brain-derived-neurotrophic-factor-pbdnf-and-executive-dysfunctions-in-patients-with-major-depressive-disorder
#4
Stefanie Wagner, Sarah Kayser, Jan Engelmann, Konrad F Schlicht, Nadine Dreimüller, Oliver Tüscher, Florian Müller-Dahlhaus, Dieter F Braus, André Tadić, Alexandra Neyazi, Helge Frieling, Klaus Lieb
OBJECTIVES: Executive dysfunctions are frequently seen in patients with Major Depressive Disorder (MDD) and normalize in many cases during effective antidepressant therapy. This study investigated whether a normalization of executive dysfunctions during antidepressant treatment correlates with or can be predicted by clinical parameters or levels of brain-derived neurotrophic factor (BDNF). METHODS: In 110 MDD patients with executive dysfunctions (percentile < 16), executive functions and plasma BDNF levels were analysed at baseline, day 14 and 56 of an antidepressant treatment...
January 15, 2018: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/29332487/the-prototypical-majority-effect-under-social-influence
#5
Asher Koriat, Shiri Adiv-Mashinsky, Monika Undorf, Norbert Schwarz
Majority views are reported with greater confidence and fluency than minority views, with the difference increasing with majority size. This Prototypical Majority Effect (PME) was attributed generally to conformity pressure, but Koriat et al. showed that it can arise from the processes underlying decision and confidence independent of social influence. Here we examined the PME under conditions that differ in social influence. In Experiment 1, a robust PME emerged in the absence of information about the majority views, but the provision sof that information increased the choice of the majority view and magnified the PME...
January 1, 2018: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/29332085/deep-brain-stimulation-of-the-subthalamic-nucleus-and-globus-pallidus-for-parkinson-s-disease
#6
Philip S Lee, Donald J Crammond, R Mark Richardson
The concept of deep brain stimulation (DBS) for Parkinson's disease (PD) was introduced over 20 years ago, but our understanding of the nuances of this procedure continues to improve. The average motor outcomes of internal segment of the globus pallidus (GPi) and subthalamic nucleus (STN) DBS appear to be similar, although GPi DBS may allow greater recovery of verbal fluency and may provide greater relief of depression symptoms and improvement in the quality of life, and STN DBS appears more likely to result in decrease in levodopa equivalent doses...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29332050/supplemental-retinal-carotenoids-enhance-memory-in-healthy-individuals-with-low-levels-of-macular-pigment-in-a-randomized-double-blind-placebo-controlled-clinical-trial
#7
Rebecca Power, Robert F Coen, Stephen Beatty, Riona Mulcahy, Rachel Moran, Jim Stack, Alan N Howard, John M Nolan
BACKGROUND: There is a biologically plausible rationale whereby the dietary carotenoids lutein (L), zeaxanthin (Z), and meso-zeaxanthin (MZ), which are collectively referred to as macular pigment (MP) in the central retina (macula), support the maintenance of cognition via their antioxidant and anti-inflammatory properties. OBJECTIVE: To investigate the impact of supplemental L, Z, and MZ on memory, executive function, and verbal fluency among healthy individuals with low MP levels...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29331837/spontaneous-focusing-on-numerosity-in-preschool-as-a-predictor-of-mathematical-skills-and-knowledge-in-the-fifth-grade
#8
Cristina E Nanu, Jake McMullen, Petriina Munck, Minna M Hannula-Sormunen
Previous studies in a variety of countries have shown that there are substantial individual differences in children's spontaneous focusing on numerosity (SFON), and these differences are positively related to the development of early numerical skills in preschool and primary school. A total of 74 5-year-olds participated in a 7-year follow-up study, in which we explored whether SFON measured with very small numerosities at 5 years of age predicts mathematical skills and knowledge, math motivation, and reading in fifth grade at 11 years of age...
January 11, 2018: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/29330595/consistency-not-speed-temporal-regularity-as-a-metacognitive-cue
#9
Lisa M Stevenson, Richard A Carlson
We examined the hypothesis that skilled performance is monitored on the basis of fluency, where fluency is operationally defined as temporal regularity or rhythmicity rather than speed. Since error is often associated with variable timing, we tested the possibility that people use varied timing as a metacognitive cue. Using a sequential counting task, which may be representative of the broader class of skilled, multi-step tasks, we found that shifting between irregular and regular timing led to greater confidence ratings when the timing associated with the task was regular...
January 12, 2018: Psychological Research
https://www.readbyqxmd.com/read/29330594/coding-valence-in-touchscreen-interactions-hand-dominance-and-lateral-movement-influence-valence-appraisals-of-emotional-pictures
#10
Sergio Cervera Torres, Susana Ruiz Fernández, Martin Lachmair, Peter Gerjets
The Body-Specificity Hypothesis postulates that the space surrounding the dominant hand is perceived as positive due to the motor fluency of this hand, whereas the space surrounding the non-dominant hand is perceived as negative. Experimental studies based on this theoretical framework also revealed associations between affective valence and hand dominance (i.e., dominant hand-positive; non-dominant hand-negative), or lateral movements of the hands (i.e., right hand toward the right space-positive; left hand toward the left space-positive)...
January 12, 2018: Psychological Research
https://www.readbyqxmd.com/read/29329742/frontal-activity-measured-by-near-infrared-spectroscopy-in-patients-taking-different-atypical-antipsychotic-drugs-a-cross-sectional-study
#11
Soichi Kono, Itaru Miura, Sachie Oshima, Masayuki Hikita, Akira Wada, Rieko Suzuki, Shin-Ichi Niwa, Hirooki Yabe
Using near-infrared spectroscopy, we examined changes in the concentration of oxygenated hemoglobin ([oxy-Hb]) in the frontal lobe during a verbal fluency task in 20 patients with schizophrenia (10 patients each receiving olanzapine [OLZ] and risperidone [RIS]) and 10 healthy controls. We found that [oxy-Hb] levels in the prefrontal region were higher in the patients receiving OLZ than in those receiving RIS. These results suggest that antipsychotic drugs have different effects on cerebral hemodynamic patterns, which may reflect frontal lobe function...
December 27, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29329723/prolonged-grief-and-cognitive-decline-a-prospective-population-based-study-in-middle-aged-and-older-persons
#12
Heidi C Saavedra Pérez, M Arfan Ikram, Nese Direk, Henning Tiemeier
OBJECTIVE: Bereavement can result in unresolved and prolonged grief, often termed prolonged grief disorder (PGD). The impact of PGD on cognitive functioning is poorly understood. The aim of the study was to compare the cognitive decline, assessed by repeated measures of different cognition domains, between persons with normal and PGD and a non-grieving reference population in a 7-year follow-up study. METHODS: The study sample comprised 3126 non-demented persons, mean age: 64 years, of the Rotterdam Study...
December 12, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/29329363/validity-of-teleneuropsychological-assessment-in-older-patients-with-cognitive-disorders
#13
Hannah E Wadsworth, Kaltra Dhima, Kyle B Womack, John Hart, Myron F Weiner, Linda S Hynan, C Munro Cullum
Objective: The feasibility and reliability of neuropsychological assessment at a distance have been demonstrated, but the validity of this testing medium has not been adequately demonstrated. The purpose of this study was to determine the ability of video teleconferencing administration of neuropsychological measures (teleneuropsychology) in discriminating cognitively impaired from non-impaired groups of older adults. It was predicted that measures administered via video teleconference would distinguish groups and that the magnitude of differences between impaired and non-impaired groups would be similar to group differences achieved in traditional administration...
January 10, 2018: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/29329065/factors-associated-with-depression-among-homeless-mothers-results-of-the-enfams-survey
#14
M Roze, S Vandentorren, J Van-Der-Waerden, M Melchior
PURPOSE: Women are disproportionately likely to suffer from depression. This is especially true for those who experience socioeconomic hardship, such as homelessness. In France, among homeless mothers many are migrant. However, it is not clear whether risk factors associated with depression are specific for this group or the same as in the general population. Our objective was to describe socio-demographic, relational, living and housing conditions and health factors associated with depression among homeless mothers...
January 6, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29322181/best-practice-for-developmental-stuttering-balancing-evidence-and-expertise
#15
Courtney T Byrd, Joseph Donaher
Best practice for developmental stuttering remains a topic of debate. In the clinical forum following this introduction, four fluency experts balance the evidence and expertise to describe their approach to assessment and treatment.
January 9, 2018: Language, Speech, and Hearing Services in Schools
https://www.readbyqxmd.com/read/29321703/executive-functions-of-obsessive-compulsive-disorder-and-panic-disorder-patients-in-comparison-to-healty-controls
#16
Emel Kurt, Erol Yildirim, Volkan Topçuoğlu
Introduction: Patients with obsessive compulsive disorder (OCD) have impaired cognitive functions, including attention, verbal and visual memory, and visual-spatial abilities as well as executive function But some studies did not show any disturbance in executive function of patients with OCD. To date, only few studies have been conducted on neuropsychological functioning of patients with panic disorder (PD). There are limited studies to reach a definite conclusion on executive functions of patients with OCD and those with PD...
December 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/29320524/patients-with-primary-biliary-cholangitis-and-fatigue-present-with-depressive-symptoms-and-selected-cognitive-deficits-but-with-normal-attention-performance-and-brain-structure
#17
Roman Zenouzi, Janina von der Gablentz, Marcus Heldmann, Martin Göttlich, Christina Weiler-Normann, Marcial Sebode, Hanno Ehlken, Johannes Hartl, Anja Fellbrich, Susanne Siemonsen, Christoph Schramm, Thomas F Münte, Ansgar W Lohse
BACKGROUND: In primary biliary cholangitis (PBC) fatigue is a major clinical challenge of unknown etiology. By demonstrating that fatigue in PBC is associated with an impaired cognitive performance, previous studies have pointed out the possibility of brain abnormalities underlying fatigue in PBC. Whether structural brain changes are present in PBC patients with fatigue, however, is unclear. To evaluate the role of structural brain abnormalities in PBC patients severely affected from fatigue we, therefore, performed a case-control cerebral magnetic resonance imaging (cMRI) study and correlated changes of white and grey brain matter with the cognitive and attention performance...
2018: PloS One
https://www.readbyqxmd.com/read/29317003/identification-of-heterogeneous-cognitive-subgroups-in-community-dwelling-older-adults-a-latent-class-analysis-of-the-einstein-aging-study
#18
Andrea R Zammit, Charles B Hall, Richard B Lipton, Mindy J Katz, Graciela Muniz-Terrera
OBJECTIVES: The aim of this study was to identify natural subgroups of older adults based on cognitive performance, and to establish each subgroup's characteristics based on demographic factors, physical function, psychosocial well-being, and comorbidity. METHODS: We applied latent class (LC) modeling to identify subgroups in baseline assessments of 1345 Einstein Aging Study (EAS) participants free of dementia. The EAS is a community-dwelling cohort study of 70+ year-old adults living in the Bronx, NY...
January 10, 2018: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/29316485/maternal-reading-fluency-is-positively-associated-with-greater-functional-connectivity-between-the-child-s-future-reading-network-and-regions-related-to-executive-functions-and-language-processing-in-preschool-age-children
#19
Tzipi Horowitz-Kraus, John S Hutton, Kieran Phelan, Scott K Holland
The role of the parent or educator in a child's learning is a key feature in child development. Evidence supports the impact of early language exposure for future language and cognitive abilities and of home reading environment on neural circuits supporting language and reading. As shared parent-child reading is largely contingent on the reading ability of the parent, the aim of the current study was to explore association of parental reading ability on functional connectivity of brain networks involved with reading acquisition in their children...
January 6, 2018: Brain and Cognition
https://www.readbyqxmd.com/read/29313729/linguistic-factors-associated-with-phonemic-fluency-performance-in-a-sample-of-bilingual-hispanic-undergraduate-students
#20
Jennifer Bennett, Steven P Verney
Research has demonstrated that bilingualism impacts neuropsychological performance, but the findings on its effects on verbal fluency have been mixed. This study compared the verbal fluency performance of non-Hispanic White monolingual speakers with a Hispanic bilingual population. Ninety-nine Spanish-English bilingual Hispanic and thirty English-speaking monolingual non-Hispanic White undergraduates completed the Controlled Oral Word Association Test (COWAT). Students also completed a general cognitive and English reading measure...
January 9, 2018: Applied Neuropsychology. Adult
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