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https://www.readbyqxmd.com/read/28549352/eye-abduction-reduces-but-does-not-eliminate-competition-in-the-oculomotor-system
#1
Paul J Boon, Jan Theeuwes, Artem V Belopolsky
Although it is well established that there is a tight coupling between covert attention and the eye movement system there is an ongoing controversy whether this relationship is functional. Previous studies demonstrated that disrupting the ability to execute an eye movement interferes with the allocation of covert attention. One technique that prevents the execution of an eye movement involves the abduction of the eye in the orbit while presenting the stimuli outside of the effective oculomotor range (Craighero, Nascimben, & Fadiga, 2004)...
May 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28548544/neuropsychological-impairment-in-hashimoto-s-encephalopathy-a-case-report-and-literature-review
#2
Liorah Sabbah-Talasazan, Irene Piryatinsky
Hashimoto's encephalopathy (HE) is a rare neurological syndrome characterized by the presence of positive serum antithyroid antibodies, altered mental status, and clinical response to glucocorticoid therapy. Although HE has been documented in the literature from a medical standpoint, reports on the neuropsychological presentation of this syndrome are scarce. This article presents a literature review of cognitive deficits reported in HE cases. In addition, we describe the case of a 76-year-old Russian speaking woman diagnosed with HE in May 2012...
May 26, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28548044/falcon-a-highly-flexible-open-source-software-for-closed-loop-neuroscience
#3
Davide Ciliberti, Fabian Kloosterman
OBJECTIVE: Closed-loop experiments provide unique insights into brain dynamics and function. Here, we demonstrate an open-source software platform that enables high-performance real-time processing of streaming experimental data, suitable for a wide range of closed-loop experiments. APPROACH: We wrote a C++ multi-threaded software (Falcon) in which the user can load and execute an arbitrary processing graph. Each node in the graph is internally mapped to a single thread and nodes communicate with each other through thread-safe buffers...
May 26, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28547588/neurocognition-in-individuals-with-incidentally-identified-meningioma
#4
Alissa M Butts, Stephen Weigand, Paul D Brown, Ronald C Petersen, Clifford R Jack, Mary M Machulda, Jane H Cerhan
Meningiomas are primary intracranial tumors that are often asymptomatic. To our knowledge, no study has attempted to describe neurocognitive function in patients with incidentally-discovered meningioma. We utilized the Mayo Clinic Study of Aging (MCSA), which is a population-based sample of Olmsted County, Minnesota residents that includes neuropsychological testing and brain MRI approximately every 15 months. Using a text search of radiologists' notes of 2402 MCSA individuals (mean age 77 years, scanned between 2004 and 2014) we identified 48 eligible subjects (2%) who had at least one meningioma...
May 25, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28546809/comparison-of-brain-activation-during-motor-imagery-and-motor-movement-using-fnirs
#5
Alyssa M Batula, Jesse A Mark, Youngmoo E Kim, Hasan Ayaz
Motor-activity-related mental tasks are widely adopted for brain-computer interfaces (BCIs) as they are a natural extension of movement intention, requiring no training to evoke brain activity. The ideal BCI aims to eliminate neuromuscular movement, making motor imagery tasks, or imagined actions with no muscle movement, good candidates. This study explores cortical activation differences between motor imagery and motor execution for both upper and lower limbs using functional near-infrared spectroscopy (fNIRS)...
2017: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28546312/prefrontal-dopamine-d1-and-d2-receptors-regulate-dissociable-aspects-of-decision-making-via-distinct-ventral-striatal-and-amygdalar-circuits
#6
Nicole L Jenni, Joshua D Larkin, Stan B Floresco
Mesocortical dopamine (DA) regulates a variety of cognitive functions via actions on D1 and/or D2 receptors. For example, risk/reward decision making is differentially modulated by these two receptors within the prefrontal cortex (PFC), with D2 receptors enabling flexible decision making and D1 receptors promoting persistence in choice biases. Yet, it is unclear how DA mediates opposing patterns of behavior by acting on different receptors within the same terminal region. We explored the possibility that DA may act on separate networks of PFC neurons that are modulated by D1 or D2 receptors and in turn interface with divergent downstream structures, such as the basolateral amygdala (BLA) or nucleus accumbens (NAc)...
May 25, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28546307/the-right-lateral-cerebellum-represents-linguistic-predictability
#7
Elise Lesage, Peter C Hansen, R Chris Miall
Mounting evidence indicates that posterolateral portions of the cerebellum (right Crus I/II) contribute to language processing, but the nature of this role remains unclear. Based on a well-supported theory of cerebellar motor function, which ascribes to the cerebellum a role in short-term prediction through internal modeling, we hypothesize that right cerebellar Crus I/II supports prediction of upcoming sentence content.We tested this hypothesis using event-related fMRI in human subjects by manipulating the predictability of written sentences...
May 25, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28546010/cognitive-training-as-a-potential-treatment-for-overweight-and-obesity-a-critical-review-of-the-evidence-proposal-for-special-issue-in-appetite-executive-function-training-eating-behaviour
#8
REVIEW
Andrew Jones, Charlotte A Hardman, Natalia Lawrence, Matt Field
The aim of this review is to critically evaluate the effectiveness and candidate mechanisms of action of psychological interventions which aim to either (a) improve the capacity for self-regulatory, reflective processes or (b) reduce the impact of automatic appetitive processes, in an attempt to influence food intake and associated weight-gain. Our aim was to examine three important issues regarding each type of intervention: i) whether the intervention influenced behaviour in the laboratory, ii) whether the intervention influenced behaviour and/or body mass index in the real world, and iii) whether the proposed mechanism of action was supported by evidence...
May 22, 2017: Appetite
https://www.readbyqxmd.com/read/28545793/associations-between-systemic-pro-inflammatory-markers-cognitive-function-and-cognitive-complaints-in-a-population-based-sample-of-working-adults
#9
C U D Stenfors, I H Jonsdottir, L L Magnusson Hanson, T Theorell
BACKGROUND: The knowledge is limited regarding the relation between systemic inflammatory biomarkers and subjective and objective cognitive functioning in population-based samples of healthy adults across the adult age-span. Thus, the aim of this study was to study a selection of four pro-inflammatory biomarkers (IL-6, MCP-1, TNF-α, CRP) in relation to executive cognitive functioning, episodic memory and subjective cognitive complaints (SCC) in a population-based sample of 215 working adults (age 25-67)...
May 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28545597/prefrontal-cortical-thinning-links-to-negative-symptoms-in-schizophrenia-via-the-enigma-consortium
#10
E Walton, D P Hibar, T G M van Erp, S G Potkin, R Roiz-Santiañez, B Crespo-Facorro, P Suarez-Pinilla, N E M van Haren, S M C de Zwarte, R S Kahn, W Cahn, N T Doan, K N Jørgensen, T P Gurholt, I Agartz, O A Andreassen, L T Westlye, I Melle, A O Berg, L Morch-Johnsen, A Færden, L Flyckt, H Fatouros-Bergman, E G Jönsson, R Hashimoto, H Yamamori, M Fukunaga, N Jahanshad, P De Rossi, F Piras, N Banaj, G Spalletta, R E Gur, R C Gur, D H Wolf, T D Satterthwaite, L M Beard, I E Sommer, S Koops, O Gruber, A Richter, B Krämer, S Kelly, G Donohoe, C McDonald, D M Cannon, A Corvin, M Gill, A Di Giorgio, A Bertolino, S Lawrie, T Nickson, H C Whalley, E Neilson, V D Calhoun, P M Thompson, J A Turner, S Ehrlich
BACKGROUND: Our understanding of the complex relationship between schizophrenia symptomatology and etiological factors can be improved by studying brain-based correlates of schizophrenia. Research showed that impairments in value processing and executive functioning, which have been associated with prefrontal brain areas [particularly the medial orbitofrontal cortex (MOFC)], are linked to negative symptoms. Here we tested the hypothesis that MOFC thickness is associated with negative symptom severity...
May 26, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28545535/electronic-audit-and-feedback-intervention-with-action-implementation-toolbox-to-improve-pain-management-in-intensive-care-protocol-for-a-laboratory-experiment-and-cluster-randomised-trial
#11
Wouter T Gude, Marie-José Roos-Blom, Sabine N van der Veer, Evert de Jonge, Niels Peek, Dave A Dongelmans, Nicolette F de Keizer
BACKGROUND: Audit and feedback is often used as a strategy to improve quality of care, however, its effects are variable and often marginal. In order to learn how to design and deliver effective feedback, we need to understand their mechanisms of action. This theory-informed study will investigate how electronic audit and feedback affects improvement intentions (i.e. information-intention gap), and whether an action implementation toolbox with suggested actions and materials helps translating those intentions into action (i...
May 25, 2017: Implementation Science: IS
https://www.readbyqxmd.com/read/28545006/cognitive-control-and-reward-loss-processing-in-internet-gaming-disorder-results-from-a-comparison-with-recreational-internet-game-users
#12
G Dong, H Li, L Wang, M N Potenza
Although playing of Internet games may lead to Internet gaming disorder (IGD), most game-users do not develop problems and only a relatively small subset experiences IGD. Game playing may have positive health associations, whereas IGD has been repeatedly associated with negative health measures, and it is thus important to understand differences between individuals with IGD, recreational (non-problematic) game use (RGU) and non-/low-frequency game use (NLFGU). Individuals with IGD have shown differences in neural activations from non-gamers, yet few studies have examined neural differences between individuals with IGD, RGU and NLFGU...
March 30, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28544995/intrauterine-exposure-to-tobacco-and-executive-functioning-in-high-school
#13
Ruth Rose-Jacobs, Mark A Richardson, Kathryn Buchanan-Howland, Clara A Chen, Howard Cabral, Timothy C Heeren, Jane Liebschutz, Leah Forman, Deborah A Frank
BACKGROUND: Executive functioning (EF), an umbrella construct encompassing gradual maturation of cognitive organization/management processes, is important to success in multiple settings including high school. Intrauterine tobacco exposure (IUTE) correlates with negative cognitive/behavioral outcomes, but little is known about its association with adolescent EF and information from real-life contexts is sparse. We evaluated the impact of IUTE on teacher-reported observations of EF in urban high school students controlling for covariates including other intrauterine and adolescent substance exposures...
May 10, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28544954/long-term-attention-deficits-combined-with-subcortical-and-cortical-structural-central-nervous-system-alterations-in-young-adults-born-small-for-gestational-age
#14
Sabrina Suffren, Diego Angulo, Yang Ding, Pablo Reyes, Jorge Marin, Jose T Hernandez, Nathalie Charpak, Gregory A Lodygensky
BACKGROUND: Being born small for gestational age has been associated with neurodevelopmental disabilities and smaller gray matter volumes in childhood. However, it is not known if these changes persist in adults and whether SGA has any impact on attention memory and IQ. AIMS: The goal of this study was to evaluate the association between birth weight and gray matter anatomy in adults born small for gestational age at term, in relation to IQ, attention and memory...
May 22, 2017: Early Human Development
https://www.readbyqxmd.com/read/28544009/a-cluster-randomised-controlled-trial-evaluating-the-effects-of-delaying-onset-of-adolescent-substance-abuse-on-cognitive-development-and-addiction-following-a-selective-personality-targeted-intervention-program-the-co-venture-trial
#15
Maeve O'Leary-Barrett, Benoit Mâsse, Robert Pihl, Sherry Stewart, Jean R Séguin, Patricia Conrod
AIMS: Substance use and binge drinking during early adolescence are associated with neurocognitive abnormalities, mental health problems and an increased risk for future addiction. The trial aims to evaluate the protective effects of an evidence-based substance use prevention program on the onset of alcohol and drug use in adolescence, as well as on cognitive, mental health and addiction outcomes over 5 years. DESIGN: Thirty-eight high schools will be recruited, with a final sample of 31 schools assigned to intervention or control conditions (approximately 3800 youth)...
May 21, 2017: Addiction
https://www.readbyqxmd.com/read/28543662/inclusion-access-and-civility-in-public-bioethics
#16
Rebecca Dresser
I could tell many war stories about my experience serving on the President's Council on Bioethics-one of the most controversial national bioethics commissions so far-but I want to focus instead on how the experience influenced my views on bioethics, politics, and the potential contributions of national commissions. The executive order that established the Council directed it to consider policy questions, but it spoke primarily of providing a forum for national discussion, inquiry, and education. In this sense, the Council's mission departed from that of other national bioethics commissions, which have had more direct policy functions...
May 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28543280/positive-autobiographical-memory-deficits-in-youth-with-depression-histories-and-their-never-depressed-siblings
#17
Ena Begovic, Vanessa Panaite, Lauren M Bylsma, Charles George, Maria Kovacs, Ilya Yaroslavsky, Ildikó Baji, István Benák, Roberta Dochnal, Enikő Kiss, Ágnes Vetró, Krisztina Kapornai, Jonathan Rottenberg
OBJECTIVES: Impaired positive autobiographical memory (AM) is closely linked to emotional disorders. AM impairments are often found in depressed adults and may be related to the difficulties such persons have in regulating their dysphoric mood. By contrast, less is known about AM disturbances among adolescents, or about the functional relationship of AM disturbances to early-onset depression. DESIGN: A high-risk family design served to compare four groups of youth who differed in depression histories and familial depression risk...
May 23, 2017: British Journal of Clinical Psychology
https://www.readbyqxmd.com/read/28542621/enzymatic-activity-necessary-to-restore-the-lethality-due-to-escherichia-coli-rnase-e-deficiency-is-distributed-among-bacteria-lacking-rnase-e-homologues
#18
Masaru Tamura, Daisuke Kageyama, Naoko Honda, Hirofumi Fujimoto, Atsushi Kato
Escherichia coli RNase E (Eco-RNase E), encoded by rne (Eco-rne), is considered the global RNA decay initiator. Although Eco-RNase E is an essential gene product in E. coli, some bacterial species, such as Bacillus subtilis, do not possess Eco-RNase E sequence homologues. B. subtilis instead possesses RNase J1/J2 (Bsu-RNase J1/J2) and RNase Y (Bsu-RNase Y) to execute RNA decay. Here we found that E. coli lacking the Eco-rne gene (Δrne E. coli) was viable conditional on M9 minimal media by introducing Bsu-RNase J1/J2 or Bsu-RNase Y...
2017: PloS One
https://www.readbyqxmd.com/read/28542436/stress-induced-release-of-oct-1-from-the-nuclear-envelope-is-mediated-by-jnk-phosphorylation-of-lamin-b1
#19
Ivan I Boubriak, Ashraf N Malhas, Marek M Drozdz, Lior Pytowski, David J Vaux
The nuclear lamina can bind and sequester transcription factors (TFs), a function lost if the lamina is abnormal, with missing or mutant lamin proteins. We now show that TF sequestration is not all-or-nothing, but a dynamic physiological response to external signals. We show that the binding of the ubiquitous TF, Oct-1, to lamin B1 was reversed under conditions of cellular stress caused, inter alia, by the chemical methylating agent methylmethanesulfonate (MMS). A search for lamin B1 post-translational modifications that might mediate changes in Oct-1 binding using kinase inhibitors uncovered a role for c-Jun N-terminal kinase (JNK)...
2017: PloS One
https://www.readbyqxmd.com/read/28542314/toward-a-more-personalized-motor-function-rehabilitation-in-myotonic-dystrophy-type-1-the-role-of-neuroplasticity
#20
Simona Portaro, Antonino Naro, Antonino Chillura, Luana Billeri, Alessia Bramanti, Placido Bramanti, Carmelo Rodolico, Rocco Salvatore Calabrò
Myotonic dystrophy type 1 (DM1) is the most prevalent adult muscular dystrophy, often accompanied by impairments in attention, memory, visuospatial and executive functions. Given that DM1 is a multi-system disorder, it requires a multi-disciplinary approach, including effective rehabilitation programs, focusing on the central nervous system neuroplasticity, in order to develop patient-tailored rehabilitative procedures for motor function recovery. Herein, we performed a transcranial magnetic stimulation (TMS) study aimed at investigating central motor conduction time, sensory-motor plasticity, and cortical excitability in 7 genetically defined DM1 patients...
2017: PloS One
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