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https://www.readbyqxmd.com/read/29334115/label-free-multidimensional-information-acquisition-from-optogenetically-engineered-cells-using-a-graphene-transistor
#1
Gongxin Li, Jia Yang, Wenguang Yang, Feifei Wang, Yuechao Wang, Wenxue Wang, Lianqing Liu
The optogenetic technique, which allows the manipulation of cellular activity patterns in space and time by light, has transformed the field of neuroscience. However, acquiring multidimensional optogenetic information remains challenging despite the fact that several cellular information detection methods have been proposed. Herein, we present a new method to acquire label-free multidimensional information from optogenetically engineered cells using a graphene transistor. Using a graphene film to form a strong densely packed layer with cells, the cellular action potentials were characterized as light-activated transistor conductance signals, which quantified the multidimensional optogenetic information...
January 15, 2018: Nanoscale
https://www.readbyqxmd.com/read/29332074/diffusion-tensor-imaging-of-the-basal-ganglia-for-functional-neurosurgery-applications
#2
Francesco Sammartino, Mojgan Hodaie
Since its introduction, diffusion tensor imaging (DTI) has become an important tool in neuroscience given its unprecedented ability to image brain white matter in vivo. The interest in understanding the mechanisms of action of Deep Brain Stimulation in different targets and indications, together with the constant drive towards the improvement in long-term clinical outcomes, has found a logical complement in the application of tractography in this field. Diffusion tensor imaging has been traditionally associated with an increased susceptibility to MRI artifacts, and expensive computational resources...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29331054/artist-a-fully-automated-artifact-rejection-algorithm-for-single-pulse-tms-eeg-data
#3
Wei Wu, Corey J Keller, Nigel C Rogasch, Parker Longwell, Emmanuel Shpigel, Camarin E Rolle, Amit Etkin
Concurrent single-pulse TMS-EEG (spTMS-EEG) is an emerging noninvasive tool for probing causal brain dynamics in humans. However, in addition to the common artifacts in standard EEG data, spTMS-EEG data suffer from enormous stimulation-induced artifacts, posing significant challenges to the extraction of neural information. Typically, neural signals are analyzed after a manual time-intensive and often subjective process of artifact rejection. Here we describe a fully automated algorithm for spTMS-EEG artifact rejection...
January 13, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29330487/a-biomarker-characterizing-neurodevelopment-with-applications-in-autism
#4
Di Wu, Jorge V José, John I Nurnberger, Elizabeth B Torres
Despite great advances in neuroscience and genetic studies, our understanding of neurodevelopmental disorders is still quite limited. An important reason is not having objective psychiatric clinical tests. Here we propose a quantitative neurodevelopment assessment by studying natural movement outputs. Movement is central to behaviors: It involves complex coordination, temporal alterations, and precise dynamic controls. We carefully analyzed the continuous movement output data, collected with high definition electromagnetic sensors at millisecond time scales...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330241/primary-care-physician-involvement-in-shared-decision-making-for-critically-ill-patients-and-family-satisfaction-with-care
#5
Kevin B Huang, Urs Weber, Jennifer Johnson, Nathanial Anderson, Andrea K Knies, Belinda Nhundu, Cynthia Bautista, Kelly Poskus, Kevin N Sheth, David Y Hwang
PURPOSE: An intensive care unit (ICU) patient's primary care physician (PCP) may be able to assist family with certain ICU shared medical decisions. We explored whether families of patients in nonopen ICUs who nevertheless report involvement of a patient's PCP in medical decision making are more satisfied with ICU shared decision making than families who do not. METHODS: Between March 2013 and December 2015, we administered the Family Satisfaction in the ICU 24 survey to family members of adult neuroscience ICU patients...
January 2018: Journal of the American Board of Family Medicine: JABFM
https://www.readbyqxmd.com/read/29330132/an-overview-of-the-safety-pharmacology-society-strategic-plan
#6
M K Pugsley, S Authier, J E Koerner, W S Redfern, C G Markgraf, T Brabham, K Correll, M V Soloviev, A Botchway, M Engwall, M Traebert, J-P Valentin, T J Mow, A Greiter-Wilke, D J Leishman, H M Vargas
Safety Pharmacology studies are conducted to characterize the confidence by which biologically active new chemical entities (NCE) may be anticipated as safe. Non-clinical safety pharmacology studies aim to detect and characterize potentially undesirable pharmacodynamic activities using an array of in silico, in vitro and in vivo animal models. While a broad spectrum of methodological innovation and advancement of the science occurs within the Safety Pharmacology Society, the society also focuses on partnerships with health authorities and technology providers and facilitates interaction with organizations of common interest such as pharmacology, physiology, neuroscience, cardiology and toxicology...
January 9, 2018: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/29330088/the-flight-of-the-locus-of-selection-some-intricate-relationships-between-evolutionary-elements
#7
REVIEW
April M Becker
Selection has enriched our understanding of the world since it was first applied to the evolution of species. Selection stands as an alternative to essentialist thinking, as a generalized and multiply applicable concept, and as a causal explanation for current forms within biology and behavior. Attempts to describe selection processes in a generalizable way have provided clarity about their minimal elements, such as replicators and interactors. This paper discusses the interconnectedness among different levels of selection using evidence garnered from evolutionary biology, development, epigenetics, neuroscience, and behavior analysis...
January 9, 2018: Behavioural Processes
https://www.readbyqxmd.com/read/29329978/data-quality-over-data-quantity-in-computational-cognitive-neuroscience
#8
Antonio Kolossa, Bruno Kopp
We analyzed factors that may hamper the advancement of computational cognitive neuroscience (CCN). These factors include a particular statistical mindset, which paves the way for the dominance of statistical power theory and a preoccupation with statistical replicability in the behavioral and neural sciences. Exclusive statistical concerns about sampling error occur at the cost of an inadequate representation of the problem of measurement error. We contrasted the manipulation of data quantity (sampling error, by varying the number of subjects) against the manipulation of data quality (measurement error, by varying the number of data per subject) in a simulated Bayesian model identifiability study...
January 9, 2018: NeuroImage
https://www.readbyqxmd.com/read/29329751/progress-in-the-neurosciences-and-the-training-of-medical-students
#9
EDITORIAL
Y Agid
No abstract text is available yet for this article.
January 9, 2018: Revue Neurologique
https://www.readbyqxmd.com/read/29328496/hypotension-risk-based-on-vasoactive-agent-discontinuation-order-in-patients-in-the-recovery-phase-of-septic-shock
#10
Gretchen L Sacha, Simon W Lam, Abhijit Duggal, Heather Torbic, Anita J Reddy, Seth R Bauer
STUDY OBJECTIVES: Patients with septic shock often require vasoactive agents for hemodynamic support; however, the optimal approach to discontinuing these agents once patients reach the recovery phase is currently unknown. The objective of this evaluation was to compare the incidence of hypotension within 24 hours based on the discontinuation order of norepinephrine (NE) and vasopressin (AVP) in patients in the recovery phase of septic shock. DESIGN: Retrospective cohort study...
January 12, 2018: Pharmacotherapy
https://www.readbyqxmd.com/read/29327080/editorial-board-of-biological-cybernetics-advances-in-computational-neuroscience
#11
(no author information available yet)
No abstract text is available yet for this article.
January 12, 2018: Biological Cybernetics
https://www.readbyqxmd.com/read/29325701/developmental-cognitive-neuroscience-using-latent-change-score-models-a-tutorial-and-applications
#12
REVIEW
Rogier A Kievit, Andreas M Brandmaier, Gabriel Ziegler, Anne-Laura van Harmelen, Susanne M M de Mooij, Michael Moutoussis, Ian M Goodyer, Ed Bullmore, Peter B Jones, Peter Fonagy, Ulman Lindenberger, Raymond J Dolan
Assessing and analysing individual differences in change over time is of central scientific importance to developmental neuroscience. However, the literature is based largely on cross-sectional comparisons, which reflect a variety of influences and cannot directly represent change. We advocate using latent change score (LCS) models in longitudinal samples as a statistical framework to tease apart the complex processes underlying lifespan development in brain and behaviour using longitudinal data. LCS models provide a flexible framework that naturally accommodates key developmental questions as model parameters and can even be used, with some limitations, in cases with only two measurement occasions...
November 22, 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29324422/assimilation-of-biophysical-neuronal-dynamics-in-neuromorphic-vlsi
#13
Jun Wang, Daniel Breen, Abraham Akinin, Frederic Broccard, Henry D I Abarbanel, Gert Cauwenberghs
Representing the biophysics of neuronal dynamics and behavior offers a principled analysis-by-synthesis approach toward understanding mechanisms of nervous system functions. We report on a set of procedures assimilating and emulating neurobiological data on a neuromorphic very large scale integrated (VLSI) circuit. The analog VLSI chip, NeuroDyn, features 384 digitally programmable parameters specifying for 4 generalized Hodgkin-Huxley neurons coupled through 12 conductance-based chemical synapses. The parameters also describe reversal potentials, maximal conductances, and spline regressed kinetic functions for ion channel gating variables...
December 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/29324414/no-reference-quality-assessment-for-screen-content-images-with-both-local-and-global-feature-representation
#14
Yuming Fang, Jiebin Yan, Leida Li, Jinjian Wu, Weisi Lin
In this paper, we propose a novel no reference quality assessment method by incorporating statistical luminance and texture features (NRLT) for screen content images (SCIs) with both local and global feature representation. The proposed method is designed inspired by the perceptual property of the human visual system (HVS) that the HVS is sensitive to luminance change and texture information for image perception. In the proposed method, we first calculate the luminance map through the local normalization, which is further used to extract the statistical luminance features in global scope...
April 2018: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29324074/synchronization-of-electrophysiological-responses-with-speech-benefits-syntactic-information-processing
#15
Lars Meyer, Matthias Gumbert
In auditory neuroscience, electrophysiological synchronization to low-level acoustic and high-level linguistic features is well established-but its functional purpose for verbal information transmission is unclear. Based on prior evidence for a dependence of auditory task performance on delta-band oscillatory phase, we hypothesized that the synchronization of electrophysiological responses at delta-band frequency to the speech stimulus serves to implicitly align neural excitability with syntactic information...
January 11, 2018: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/29322986/a-summary-of-some-of-the-recently-published-seminal-papers-in-neurosciences
#16
Mazda K Turel, Manjul Tripathi, Ravi Yadav, Srijitesh P R, Aastha Takkar, Sahil Mehta, Chirag K Ahuja, Anant Mehrotra, Kuntal K Das
No abstract text is available yet for this article.
January 2018: Neurology India
https://www.readbyqxmd.com/read/29322967/alternative-bibliometrics-from-the-web-of-knowledge-surpasses-the-impact-factor-in-a-2-year-ahead-annual-citation-calculation-linear-mixed-design-models-analysis-of-neuroscience-journals
#17
Araceli Diaz-Ruiz, Ulises Orbe-Arteaga, Camilo Rios, Ernesto Roldan-Valadez
CONTEXT: The decision about which journal to choose for the publication of research deserves further investigation. AIMS: In this study, we evaluate the predictive ability of seven bibliometrics in the Web of Knowledge to calculate total cites over a 7-year period in neuroscience journals. SETTINGS AND DESIGN: Coincidental bibliometrics appearing during 2007, 2008, 2009, 2010, and 2011, along with their corresponding cites in 2009, 2010, 2011, 2012, and 2013, were recorded from the journal citation reports (JCR) Science Edition...
January 2018: Neurology India
https://www.readbyqxmd.com/read/29321562/perception-during-double-step-saccades
#18
E Zimmermann, M C Morrone, P Binda
How the visual system achieves perceptual stability across saccadic eye movements is a long-standing question in neuroscience. It has been proposed that an efference copy informs vision about upcoming saccades, and this might lead to shifting spatial coordinates and suppressing image motion. Here we ask whether these two aspects of visual stability are interdependent or may be dissociated under special conditions. We study a memory-guided double-step saccade task, where two saccades are executed in quick succession...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29321077/social-anxiety-disorder-looking-back-and-moving-forward
#19
Matthew P Hyett, Peter M McEvoy
Fifty years have passed since social anxiety disorder (SAD) was first differentiated from other phobias. In the years since research has largely aligned with the zeitgeist of categorical classificatory frameworks, and has spanned identifying causes, maintenance factors and innovative interventions. Despite significant advances in the field, the capacity to conceptualise SAD as an independent entity is limited given the heterogeneity and dimensionality of diagnostic criteria, high rates of comorbidity, and non-specificity of aetiological mechanisms, maintaining factors and approaches to treatment...
January 11, 2018: Psychological Medicine
https://www.readbyqxmd.com/read/29320866/paradigm-shift-in-psychiatry-what-may-it-involve
#20
Paul Valent
OBJECTIVE: This study aims to examine the potential nature of an ongoing paradigm shift in psychiatry that has been suggested to be occurring. CONCLUSIONS: New findings in traumatology and neuroscience do form a potential platform for a paradigm shift. Prior conflicting paradigms are suggested to be due to biases arising from mental structures themselves. A new wholist perspective is proposed, which makes sense of and incorporates previous paradigms, and coheres recent understanding of right- and left-brain functioning and biopsychosocial traumatic processes and their ramifications...
January 1, 2018: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
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