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neuroscience review

N M Kriznik, A L Kinmonth, T Ling, M P Kelly
Background: A strong focus on individual choice and behaviour informs interventions designed to reduce health inequalities in the UK. We review evidence for wider mechanisms from a range of disciplines, demonstrate that they are not yet impacting on programmes, and argue for their systematic inclusion in policy and research. Methods: We identified potential mechanisms relevant to health inequalities and their amelioration from different disciplines and analysed six policy documents published between 1976 and 2010 using Bacchi's 'What's the problem represented to be?' framework for policy analysis...
March 13, 2018: Journal of Public Health
Charles V Vorhees, Jenna N Sprowles, Samantha L Regan, Michael T Williams
High throughput screens for developmental neurotoxicity (DN) will facilitate evaluation of chemicals and can be used to prioritize those designated for follow-up. DN is evaluated under different guidelines. Those for drugs generally include peri- and postnatal studies and juvenile toxicity studies. For pesticides and commercial chemicals, when triggered, include developmental neurotoxicity studies (DNT) and extended one-generation reproductive toxicity studies. Raffaele et al. (2010) reviewed 69 pesticide DNT studies and found two of the four behavioral tests underperformed...
March 12, 2018: Toxicology and Applied Pharmacology
C J Gauthier, A P Fan
The BOLD contrast mechanism has a complex relationship with functional brain activity, oxygen metabolism, and neurovascular factors. Accurate interpretation of the BOLD signal for neuroscience and clinical applications necessitates a clear understanding of the sources of BOLD contrast and its relationship to underlying physiology. This review describes the physiological components that contribute to the BOLD signal and the steady-state calibrated BOLD models that enable quantification of functional changes with a separate challenge paradigm...
March 12, 2018: NeuroImage
Inger Sundström-Poromaa
From a psychological perspective, the menstrual cycle has been a research topic for more than 50 years. The most recent menstrual cycle research has been driven by an increased interest in sex differences in neuroscience, and the urge to understand sex disparities in prevalence, clinical presentation, and treatment response in psychiatric or neurologic disorders. Indeed, the menstrual cycle is an excellent model of ovarian steroid influence on emotion, behavior, and cognition. This review summarizes the emotion-related and cognitive findings of methodologically sound menstrual cycle studies...
2018: Vitamins and Hormones
Nicole R Giuliani, Junaid S Merchant, Danielle Cosme, Elliot T Berkman
Recently, there has been an increase in the number of human neuroimaging studies seeking to predict behavior above and beyond traditional measurements such as self-report. This trend has been particularly notable in the area of food consumption, as the percentage of people categorized as overweight or obese continues to rise. In this review, we argue that there is considerable utility in this form of health neuroscience, modeling the neural bases of eating behavior and dietary change in healthy community populations...
March 15, 2018: Annals of the New York Academy of Sciences
Sezen Cekic, Didier Grandjean, Olivier Renaud
This article proposes a systematic methodological review and an objective criticism of existing methods enabling the derivation of time, frequency, and time-varying Granger-causality statistics in neuroscience. The capacity to describe the causal links between signals recorded at different brain locations during a neuroscience experiment is indeed of primary interest for neuroscientists, who often have very precise prior hypotheses about the relationships between recorded brain signals. The increasing interest and the huge number of publications related to this topic calls for this systematic review, which describes the very complex methodological aspects underlying the derivation of these statistics...
March 15, 2018: Statistics in Medicine
Wei-En J Tseng, Siew-Na Lim, Lu-An Chen, Shuo-Bin Jou, Hsiang-Yao Hsieh, Mei-Yun Cheng, Chun-Wei Chang, Han-Tao Li, Hsing-I Chiang, Tony Wu
Whether the cognitive processing of music and speech relies on shared or distinct neuronal mechanisms remains unclear. Music and language processing in the brain are right and left temporal functions, respectively. We studied patients with musicogenic epilepsy (ME) that was specifically triggered by popular songs to analyze brain hyperexcitability triggered by specific stimuli. The study included two men and one woman (all right-handed, aged 35-55 years). The patients had sound-triggered left temporal ME in response to popular songs with vocals, but not to instrumental, classical, or nonvocal piano solo versions of the same song...
March 15, 2018: Annals of the New York Academy of Sciences
Greg D Reynolds, Kelly C Roth
We present an integrative review of research and theory on major factors involved in the early development of attentional biases to faces. Research utilizing behavioral, eye-tracking, and neuroscience measures with infant participants as well as comparative research with animal subjects are reviewed. We begin with coverage of research demonstrating the presence of an attentional bias for faces shortly after birth, such as newborn infants' visual preference for face-like over non-face stimuli. The role of experience and the process of perceptual narrowing in face processing are examined as infants begin to demonstrate enhanced behavioral and neural responsiveness to mother over stranger, female over male, own- over other-race, and native over non-native faces...
2018: Frontiers in Psychology
Coline Jeantet, Stéphanie Caharel, Raymund Schwan, Joëlle Lighezzolo-Alnot, Vincent Laprevote
JEANTET, C., Caharel, S., Schwan, R., Lighezzolo-Alnot, J., and Laprevote, V. Factors influencing spatial frequencies extraction in faces: a review. NEUROSCI BIOBEHAV REV XX(X) XXX-XXX, 2017. Spatial frequency is an elementary aspect of visual perception. Moreover, faces elicit distinct responses by the human visual system when compared to other visual objects. This review examines the factors influencing spatial frequency processing in faces. Visual perception of a face results from the interaction between the physical properties of the stimulus and the human visual system...
March 9, 2018: Neuroscience and Biobehavioral Reviews
Dorit Kliemann, Ralph Adolphs
Our ability to understand and think about the mental states of other people is referred to as 'mentalizing' or 'theory of mind'. It features prominently in all social behavior, is essential for maintaining relationships, and shows pronounced individual differences. Here we review new approaches to study the underlying psychological mechanisms and discuss how they could best be investigated using modern tools from social neuroscience. We list key desiderata for the field, such as validity, specificity, and reproducibility, and link them to specific recommendations for the future...
February 27, 2018: Current Opinion in Psychology
Angelina Kakooza-Mwesige, Abdul H Mohammed, Krister Kristensson, Sharon L Juliano, Julius J Lutwama
The global public health concern is heightened over the increasing number of emerging viruses, i.e., newly discovered or previously known that have expanded into new geographical zones. These viruses challenge the health-care systems in sub-Saharan Africa (SSA) countries from which several of them have originated and been transmitted by insects worldwide. Some of these viruses are neuroinvasive, but have been relatively neglected by neuroscientists. They may provide experiments by nature to give a time window for exposure to a new virus within sizeable, previously non-infected human populations, which, for instance, enables studies on potential long-term or late-onset effects on the developing nervous system...
2018: Frontiers in Neurology
Thomas Parr, Geraint Rees, Karl J Friston
Computational theories of brain function have become very influential in neuroscience. They have facilitated the growth of formal approaches to disease, particularly in psychiatric research. In this paper, we provide a narrative review of the body of computational research addressing neuropsychological syndromes, and focus on those that employ Bayesian frameworks. Bayesian approaches to understanding brain function formulate perception and action as inferential processes. These inferences combine 'prior' beliefs with a generative (predictive) model to explain the causes of sensations...
2018: Frontiers in Human Neuroscience
Peter J Hamilton, Carissa J Lim, Eric J Nestler, Elizabeth A Heller
Studies of the mammalian nervous system have revealed widespread epigenetic regulation underlying gene expression intrinsic to basic neurobiological function as well as neurological disease. Over the past decade, a critical role has emerged for the neural regulation of chromatin-modifying enzymes during both development and adulthood, and in response to external stimuli. These biochemical data are complemented by numerous next generation sequencing (NGS) studies that quantify the extent of chromatin and DNA modifications in neurons...
2018: Methods in Molecular Biology
Simon W Davis, Erik A Wing, Roberto Cabeza
Our understanding of the role that ventral parietal cortex (VPC) plays in declarative memory processes has changed dramatically over the last two decades. The goal of this chapter is to provide a concise overview data concerning VPC involvement in episodic memory (EM), and to connect this data to several key theories of VPC function. We review evidence from five methodological domains in cognitive neuroscience: neuropsychological lesion evidence, univariate activation studies, multivoxel pattern analyses, functional connectivity studies, and brain stimulation experiments...
2018: Handbook of Clinical Neurology
Roberta Ronchi, Hyeong-Dong Park, Olaf Blanke
Research in clinical and human neuroscience indicates that important brain mechanisms of self-consciousness are based on the integration of multisensory bodily signals (i.e., bodily self-consciousness: BSC), including signals coming from outside our body (i.e., exteroceptive signals, such as tactile, auditory, and visual information) and the inside of our body (i.e., interoceptive signals). In this chapter, we discuss selected behavioral and neuroimaging studies about how multisensory integration generates and modulates BSC in humans, with particular relevance to parietal mechanisms...
2018: Handbook of Clinical Neurology
Sushma Yerram, Nakul Katyal, Keerthivaas Premkumar, Premkumar Nattanmai, Christopher R Newey
Background: Seizures are a considerable complication in critically ill patients. Their incidence is significantly high in neurosciences intensive care unit patients. Seizure prophylaxis with anti-epileptic drugs is a common practice in neurosciences intensive care unit. However, its utility in patients without clinical seizure, with an underlying neurological injury, is somewhat controversial. Body: In this article, we have reviewed the evidence for seizure prophylaxis in commonly encountered neurological conditions in neurosciences intensive care unit and discussed the possible prognostic role of continuous electroencephalography monitoring in detecting early seizures in critically ill patients...
2018: Journal of Intensive Care
L A Rafferty, P E Cawkill, S A M Stevelink, K Greenberg, N Greenberg
BACKGROUND: Dementia is currently incurable, irreversible and a major cause of disability for the world's older population. The association between mental health difficulties, such as post-traumatic stress disorder (PTSD) and major depressive disorder (MDD), and dementia has a long history within the civilian population. Despite the increased importance of this link within the military veteran population, who suffer a greater propensity of mental health difficulties and consist largely of over 65s, attention is only recently being paid to the salience of such an association for this group...
March 8, 2018: Psychological Medicine
Asim Azhar, Qamar Zia, Shakeel Ahmad Ansari, Muhammad Amjad Kamal, Athanasios Alexiou, Nagendra Sastry Yarla, Ghulam Md Ashraf
Nanotechnology exploits materials and devices with a functional organization that has been engineered at the nanometre scale. The application of nanotechnology in neuroscience involves specific interactions with neurons and glial cells. This property is used for delivering drugs and other small molecules (such as genes, oligonucleotides and contrasting agents) across the blood brain barrier (BBB), an important requirement for delivering the drug successfully to the brain. Nanotechnology based approaches (NBA) favoured transcytosis-mediated delivery of nanoparticles to the brain by crossing the BBB...
March 5, 2018: Current Drug Metabolism
Yuncheng Zhu, Xixi Jiang, Weidong Ji
The neurocircuitries that constitute the cortico-striato-thalamo-cortical (CSTC) circuit provide a framework for bridging gaps between neuroscience and executive function in attention deficit hyperactivity disorder (ADHD), but it has been difficult to identify the mechanisms for regulating emotional problems from the understanding of ADHD comorbidity with disruptive behavior disorders (DBD). Research based on "cool" and "hot" executive functional theory and the dual pathway models, which are thought of as applied response inhibition and delay aversion, respectively, within the neuropsychological view of ADHD, has shed light on emotional responding before and after decontextualized stimuli, while CSTC circuit-related domains have been suggested to explain the different emotional symptoms of ADHD with or without comorbid DBD...
March 5, 2018: Neuroscience Bulletin
Joan Guàrdia-Olmos, Maribel Peró-Cebollero, Esteve Gudayol-Ferré
Structural Equation Models (SEM) is among of the most extensively applied statistical techniques in the study of human behavior in the fields of Neuroscience and Cognitive Neuroscience. This paper reviews the application of SEM to estimate functional and effective connectivity models in work published since 2001. The articles analyzed were compiled from Journal Citation Reports, PsycInfo, Pubmed, and Scopus, after searching with the following keywords: fMRI, SEMs, and Connectivity. Results: A 100 papers were found, of which 25 were rejected due to a lack of sufficient data on basic aspects of the construction of SEM...
2018: Frontiers in Behavioral Neuroscience
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