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Clinical Neuroscience

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https://www.readbyqxmd.com/read/28922520/a-review-of-joint-attention-and-social-cognitive-brain-systems-in-typical-development-and-autism-spectrum-disorder
#1
Peter Mundy
This article provides a review of the increasingly detailed literature on the neurodevelopment of joint attention. Many findings from this literature support and inform the hypothesis that the neurodevelopment of joint attention contributes to the functional development of neural systems for human social cognition. Joint attention begins to develop by 5 months of age and is tantamount to the ability to adopt a common perspective with another person. It involves a whole-brain system with nodes in the: (a) dorsal and medial frontal cortex, (b) orbital frontal/insula cortex, (c) anterior/ posterior cingulate cortex, (d) superior temporal cortex, (e) precuneus/parietal cortex, and (f) amygdala and striatum...
September 18, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28920892/computationally-efficient-algorithms-for-sparse-dynamic-solutions-to-the-eeg-source-localization-problem
#2
Elvira Pirondini, Behtash Babadi, Gabriel Obregon-Henao, Camilo Lamus, Wasim Q Malik, Matti S Hamalainen, Patrick L Purdon
OBJECTIVE: Electroencephalography (EEG) and magnetoencephalography (MEG) non-invasively record scalp electromagnetic fields generated by cerebral currents, revealing millisecond-level brain dynamics useful for neuroscience and clinical applications. Estimating the currents that generate these fields, i.e., source localization, is an ill-conditioned inverse problem. Solutions to this problem have focused on spatial continuity constraints, dynamic modeling, or sparsity constraints. The combination of these key ideas could offer significant performance improvements, but substantial computational costs pose a challenge for practical application of such approaches...
September 14, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28920067/a-history-of-dystonia-ancient-to-modern
#3
REVIEW
Rachel E Newby, Deborah E Thorpe, Peter A Kempster, Jane E Alty
Before 1911, when Hermann Oppenheim introduced the term dystonia, this movement disorder lacked a unifying descriptor. While words like epilepsy, apoplexy, and palsy have had their meanings since antiquity, references to dystonia are much harder to identify in historical documents. Torticollis is an exception, although there is difficulty distinguishing dystonic torticollis from congenital muscular torticollis. There are, nevertheless, possible representations of dystonia in literature and visual art from the pre-modern world...
July 2017: Movement Disorders Clinical Practice
https://www.readbyqxmd.com/read/28916140/an-integrative-interdisciplinary-perspective-on-social-dominance-hierarchies
#4
REVIEW
Chen Qu, Romain Ligneul, Jean-Baptiste Van der Henst, Jean-Claude Dreher
In the course of evolution, social dominance has been a strong force shaping the organization of social systems in many species. Individuals with a better ability to represent social dominance relationships and to adapt their behavior accordingly usually achieve better access to resources, hence providing benefits in terms of reproduction, health, and wellbeing. Understanding how and to what extent our brains are affected by social dominance requires interdisciplinary efforts. Here, we integrate findings from social neuroscience, evolutionary biology, and developmental psychology to highlight how social hierarchies are learned and represented in primates...
September 12, 2017: Trends in Cognitive Sciences
https://www.readbyqxmd.com/read/28914733/metabolic-connectivity-methods-and-applications
#5
Igor Yakushev, Alexander Drzezga, Christian Habeck
PURPOSE OF REVIEW: Metabolic connectivity modelling aims to detect functionally interacting brain regions based on PET recordings with the glucose analogue [F]fluorodeoxyglucose (FDG). Here, we outline the most popular metabolic connectivity methods and summarize recent applications in clinical and basic neuroscience. RECENT FINDINGS: Metabolic connectivity is modelled by various methods including a seed correlation, sparse inverse covariance estimation, independent component analysis and graph theory...
September 13, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28914719/physical-therapy-management-of-patients-with-chronic-low-back-pain-and-hip-abductor-weakness
#6
Seth Peterson, Thomas Denninger
BACKGROUND AND PURPOSE: Hip abductor dysfunction is common in individuals with chronic low back pain (CLBP). Previous research investigating abductor strengthening in the heterogeneous CLBP population is sparse and has failed to target those patients most likely to benefit. The aim of the current case series was to describe the physical therapy management and outcomes of 3 patients with CLBP matching a previously identified subgroup characterized by substantial hip abductor weakness. CASE DESCRIPTION: Three nonconsecutive patients with CLBP-a 77-year-old man, a 78-year-old woman, and an 85-year-old woman-were treated in an outpatient physical therapy clinic...
September 13, 2017: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/28912156/neutrophils-are-critical-for-myelin-removal-in-a-peripheral-nerve-injury-model-of-wallerian-degeneration
#7
Jane A Lindborg, Matthias Mack, Richard E Zigmond
Wallerian degeneration (WD) is considered an essential preparatory stage to the process of axonal regeneration. In the peripheral nervous system, infiltrating monocyte-derived macrophages that utilize the chemokine receptor CCR2 to gain entry to injured tissues from the bloodstream, are purportedly necessary for efficient WD. However, our lab has previously reported that myelin clearance in the injured sciatic nerve proceeds unhindered in the Ccr2(-/-) mouse model. Here, we extensively characterize WD in male Ccr2(-/-) mice and identify a compensatory mechanism of WD that is facilitated primarily by neutrophils...
September 14, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28910997/paediatric-nuclear-medicine-imaging
#8
Lorenzo Biassoni, Marina Easty
Background: Nuclear medicine imaging explores tissue viability and function by using radiotracers that are taken up at cellular level with different mechanism. This imaging technique can also be used to assess blood flow and transit through tubular organs. Nuclear medicine imaging has been used in paediatrics for decades and this field is continuously evolving. Sources of data: The data presented comes from clinical experience and some milestone papers on the subject...
September 1, 2017: British Medical Bulletin
https://www.readbyqxmd.com/read/28899744/neural-and-metabolic-basis-of-dynamic-resting-state-fmri
#9
REVIEW
Garth J Thompson
Resting state fMRI (rsfMRI) as a technique showed much initial promise for use in psychiatric and neurological diseases where diagnosis and treatment were difficult. To realize this promise, many groups have moved towards examining "dynamic rsfMRI," which relies on the assumption that rsfMRI measurements on short time scales remain relevant to the underlying neural and metabolic activity. Many dynamic rsfMRI studies have demonstrated differences between clinical or behavioral groups beyond what static rsfMRI measured, suggesting a neurometabolic basis...
September 9, 2017: NeuroImage
https://www.readbyqxmd.com/read/28899150/will-this-case-count-the-influence-of-training-on-treatment
#10
Rachel Blakeman, Marianne Goldberger
Mandated use of the couch-whether specifically stated or tacitly communicated by supervisors and colleagues-to fulfill requirements for graduation or certification is a significant disservice to candidates and their patients. In its training standards, it is argued, APsaA and its member institutes should state explicitly that a treatment can qualify as a psychoanalysis, regardless of whether the patient is using the couch, as long as the process is analytic and the candidate's thinking is demonstrably analytic...
December 2016: Journal of the American Psychoanalytic Association
https://www.readbyqxmd.com/read/28898168/practice-evaluation-strategies-among-social-workers-why-an-evidence-informed-dual-process-theory-still-matters
#11
Thomas D Davis
Practice evaluation strategies range in style from the formal-analytic tools of single-subject designs, rapid assessment instruments, algorithmic steps in evidence-informed practice, and computer software applications, to the informal-interactive tools of clinical supervision, consultation with colleagues, use of client feedback, and clinical experience. The purpose of this article is to provide practice researchers in social work with an evidence-informed theory that is capable of explaining both how and why social workers use practice evaluation strategies to self-monitor the effectiveness of their interventions in terms of client change...
September 12, 2017: Journal of Evidence-informed Social Work
https://www.readbyqxmd.com/read/28895068/hughlings-jackson-and-the-doctrine-of-concomitance-mind-brain-theorising-between-metaphysics-and-the-clinic
#12
M Chirimuuta
John Hughlings Jackson (1835-1911) is a major figure at the origins of neurology and neuroscience in Britain. Alongside his contributions to clinical medicine, he left a large corpus of writing on localisation of function in the nervous system and other theoretical topics. In this paper I focus on Jackson's "doctrine of concomitance"-his parallelist theory of the mind-brain relationship. I argue that the doctrine can be given both an ontological and a causal interpretation, and that the causal aspect of the doctrine is especially significant for Jackson and his contemporaries...
September 11, 2017: History and Philosophy of the Life Sciences
https://www.readbyqxmd.com/read/28894545/comparing-performances-of-intelligent-classifier-algorithms-for-predicting-type-of-pain-in-patients-with-spinal-cord-injury
#13
Nasrolah Nasr HeidarAbadi, Laleh Hakemi, Pirhossein Kolivand, Reza Safdari, Marjan Ghazi Saeidi
BACKGROUND AND AIM: In this study, performances of classification techniques were compared in order to predict type of pain in patients with spinal cord injury. Pain is one of the main problems in people with spinal cord injury. Identifying the optimal classification technique will help improve decision support systems in clinical settings. METHODS: A descriptive retrospective analysis was performed in 253 patients. We compared performances of "Bayesian Networks", "Decision Tree", neural networks: "Multi-Layer Perceptron" (MLP), and "Support Vector Machines" (SVM)...
July 2017: Electronic Physician
https://www.readbyqxmd.com/read/28891911/delineating-the-trajectory-of-cognitive-recovery-from-general-anesthesia-in-older-adults-design-and-rationale-of-the-torie-trajectory-of-recovery-in-the-elderly-project
#14
Joshua S Mincer, Mark G Baxter, Patrick J McCormick, Mary Sano, Arthur E Schwartz, Jess W Brallier, Heather G Allore, Bradley N Delman, Margaret C Sewell, Prantik Kundu, Cheuk Ying Tang, Angela Sanchez, Stacie G Deiner
BACKGROUND: Mechanistic aspects of cognitive recovery after anesthesia and surgery are not yet well characterized, but may be vital to distinguishing the contributions of anesthesia and surgery in cognitive complications common in the elderly such as delirium and postoperative cognitive dysfunction. This article describes the aims and methodological approach to the ongoing study, Trajectory of Recovery in the Elderly (TORIE), which focuses on the trajectory of cognitive recovery from general anesthesia...
September 7, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28884728/-psychiatry-of-the-future-multidimensionality-of-the-problems-of-modern-psychiatry-and-development-of-classification-systems
#15
E V Makushkin, S N Oskolkova, G A Fastovtsov
The success and achievements in the area of neurosciences due to the development of neuroimaging, neurochemical and genome studies provide tasks for psychiatry determined by the necessity to develop new classifications of mental diseases, primarily ICD-11, specify clinical diagnostic criteria and rethink the essence of some mental disorders. In spite of the multiple direction of scientific opinions on the discussed issues, the development of modern psychiatry is characterized by intensive search of biological background of psychiatric disorders and elaboration of effective approaches to the diagnosis and treatment of mental diseases, including medical rehabilitation of patients...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28884073/connectome-based-lesion-symptom-mapping-clsm-a-novel-approach-to-map-neurological-function
#16
REVIEW
Ezequiel Gleichgerrcht, Julius Fridriksson, Chris Rorden, Leonardo Bonilha
Lesion-symptom mapping is a key tool in understanding the relationship between structure and function in neuroscience as it can provide objective evidence about which regions are crucial for a given process. Initial limitations with this approach were largely overcome by voxel-based lesion-symptom mapping (VLSM), a method introduced in the early 2000s, which allows for a whole-brain approach to study the association between damaged areas and behavioral impairment by applying an independent statistical test at every voxel...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28882919/a-randomised-controlled-cross-over-double-blind-pilot-study-protocol-on-thc-cbd-oromucosal-spray-efficacy-as-an-add-on-therapy-for-post-stroke-spasticity
#17
Lucio Marinelli, Maurizio Balestrino, Laura Mori, Luca Puce, Gian Marco Rosa, Laura Giorello, Antonio Currà, Francesco Fattapposta, Carlo Serrati, Carlo Gandolfo, Giovanni Abbruzzese, Carlo Trompetto
INTRODUCTION: Stroke is the most disabling neurological disorder and often causes spasticity. Transmucosal cannabinoids (tetrahydrocannabinol and cannabidiol (THC:CBD), Sativex) is currently available to treat spasticity-associated symptoms in patients with multiple sclerosis. Cannabinoids are being considered useful also in the treatment of pain, nausea and epilepsy, but may bear and increased risk for cardiovascular events. Spasticity is often assessed with subjective and clinical rating scales, which are unable to measure the increased excitability of the monosynaptic reflex, considered the hallmark of spasticity...
September 7, 2017: BMJ Open
https://www.readbyqxmd.com/read/28882628/an-exemplar-based-approach-to-individualized-parcellation-reveals-the-need-for-sex-specific-functional-networks
#18
REVIEW
Mehraveh Salehi, Amin Karbasi, Xilin Shen, Dustin Scheinost, R Todd Constable
Recent work with functional connectivity data has led to significant progress in understanding the functional organization of the brain. While the majority of the literature has focused on group-level parcellation approaches, there is ample evidence that the brain varies in both structure and function across individuals. In this work, we introduce a parcellation technique that incorporates delineation of functional networks both at the individual- and group-level. The proposed technique deploys the notion of "submodularity" to jointly parcellate the cerebral cortex while establishing an inclusive correspondence between the individualized functional networks...
September 4, 2017: NeuroImage
https://www.readbyqxmd.com/read/28880154/micromagnetic-stimulation-of-the-mouse-auditory-cortex-in-vivo-using-an-implantable-solenoid-system
#19
Shunsuke Minusa, Hisayuki Osanai, Takashi Tateno
OBJECTIVE: Recent studies have reported that micromagnetic stimulation (μMS), which can activate neural tissue and cells via sub-millimeter inductors, may address several limitations of conventional magnetic stimulation methods. Previous studies have examined the effects of μMS on single neurons, yet little is known about how μMS can affect brain tissue including local neural networks. Here, we propose a new, readily available implantable μMS system and computationally and experimentally evaluate its validity...
September 1, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28872135/methods-and-tips-for-intravenous-administration-of-adeno-associated-virus-to-rats-and-evaluation-of-central-nervous-system-transduction
#20
Mychal S Grames, Kasey L Jackson, Robert D Dayton, John A Stanford, Ronald L Klein
Adeno-associated virus (AAV) vectors are a key reagent in the neurosciences for clustered regularly interspaced short palindromic repeats (CRISPR), optogenetics, cre-lox targeting, etc. The purpose of this manuscript is to aid the investigator attempting expansive central nervous system (CNS) gene transfer in the rat via tail vein injection of AAV. Wide-scale expression is relevant for conditions with widespread pathology, and a rat model is significant due to its greater size and physiologic similarities to humans compared to mice...
August 25, 2017: Journal of Visualized Experiments: JoVE
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