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https://www.readbyqxmd.com/read/28918680/transcranial-direct-current-stimulation-in-disorders-of-consciousness-a-review
#1
Ye Zhang, Weiqun Song
It is a challenge to evaluate and treat the patients with disorders of consciousness (DOC) in the clinic. Due to the huge costs of prolonged intensive care, the management of these patients raises great financial strain on families and important ethical questions. To date, several studies have attempted to specifically detect pharmacologic or non-pharmacologic effectiveness, until now there were no evidence-based guidelines about the treatment of patients with DOC. Recently, because of ethical and procedural limitations on the use of invasive stimulation techniques, non-invasive brain stimulation, such as the transcranial direct current stimulation (tDCS), has been investigated for improving the level of consciousness in patients with DOC...
September 18, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28918222/vision-assessments-and-interventions-for-infants-0-2-years-at-high-risk-for-cerebral-palsy-a-systematic-review
#2
REVIEW
Olena D Chorna, Andrea Guzzetta, Nathalie L Maitre
We performed a systematic review and evaluated the level of evidence of vision interventions and assessments for infants at high risk for or with a diagnosis of cerebral palsy from 0 to 2 years of age. Articles were evaluated based on the level of methodologic quality, evidence, and clinical utilization. Thirty publications of vision assessments and five of vision interventions met criteria for inclusion. Assessments included standard care neuroimaging, electrophysiology, and neuro-ophthalmologic examination techniques that are utilized clinically with any preverbal or nonverbal pediatric patient...
July 20, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28916852/pediatric-head-trauma-an-extensive-review-on-imaging-requisites-and-unique-imaging-findings
#3
REVIEW
F C Sarioglu, H Sahin, Y Pekcevik, O Sarioglu, O Oztekin
The effects of trauma in children are different due to association with some anatomical and physiological differences compared with adults. The role of neuroimaging gains importance in early detection of traumatic brain injuries and prevention of secondary post-traumatic complications. Many algorithms are described for children with head trauma to decide the necessity of a computed tomography scan. The aims of this article are to describe differences of these algorithms, the mechanism of traumatic brain injury with radiological imaging findings in the pediatric population, and explain complications of undiagnosed traumatic brain lesions...
September 15, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28916167/structural-neuroimaging-in-sport-related-concussion
#4
Erin D Bigler
Structural neuroimaging of athletes who have sustained a sports-related concussion (SRC) can be viewed as either standard clinical imaging or with advanced neuroimaging methods that quantitatively assess brain structure. Negative findings from conventional computed tomography (CT) or magnetic resonance imaging (MRI) are the norm in SRC. Nonetheless, these conventional measures remain the first line of neuroimaging of the athlete as they do detect clinically significant pathologies, when present, such as hemorrhagic abnormalities in the form of hematomas, contusions and mircobleeds along with regions of focal encephalomalacia or other signal abnormalities, with CT best capable of detecting skull fractures...
September 12, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28906364/altered-default-mode-network-configuration-in-posttraumatic-stress-disorder-after-earthquake-a-resting-stage-functional-magnetic-resonance-imaging-study
#5
Xiao-Dong Zhang, Yan Yin, Xiao-Lei Hu, Lian Duan, Rongfeng Qi, Qiang Xu, Guang-Ming Lu, Ling-Jiang Li
The neural substrates of posttraumatic stress disorder (PTSD) are still not fully elucidated. Hence, this study is to explore topological alterations of the default mode network (DMN) in victims with PTSD after a magnitude of 8.0 earthquake using resting-state functional magnetic resonance imaging (rs-fMRI).This study was approved by the local ethical review board, and all participants signed written informed consent. Sixty-two PTSD victims from the 2008 Sichuan earthquake and 62 matched exposed controls underwent rs-fMRI...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28900066/-to-test-glutamate-hypothesis-for-schizophrenia-utilizing-proton-magnetic-resonance-spectroscopy
#6
Sachiko Tsugawa, Shin-Ichiro Luke Nakajima
Recent advancement in magnetic resonance spectroscopy (MRS) has elucidated the pathophysiology of mental illness, including schizophrenia. MRS is a neuroimaging technique that non-invasively measures chemicals, using nuclear magnetic resonance. This narrative review explains proton MRS (<sup>1</sup>H-MRS) and introduces pivotal studies to examine a glutamate hypothesis for schizophrenia, employing <sup>1</sup>H-MRS.
September 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28899785/capacity-and-tendency-a-neuroscientific-framework-for-the-study-of-emotion-regulation
#7
REVIEW
Jennifer A Silvers, João F Guassi Moreira
It is widely accepted that the ability to effectively regulate one's emotions is a cornerstone of physical and mental health. As such, it should come as no surprise that the number of neuroimaging studies focused on emotion regulation and associated processes has increased exponentially in the past decade. To date, neuroimaging research on this topic has examined two distinct but complementary features of emotion regulation - the capacity to effectively utilize a strategy to regulate emotion and to a lesser extent, the tendency to choose certain strategies...
September 9, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28898130/imaging-of-children-with-nontraumatic-headaches
#8
Anna Trofimova, Brianna L Vey, Mark E Mullins, David S Wolf, Nadja Kadom
OBJECTIVE: Headache in children is a common symptom and often is worrisome for clinicians and parents because of the breadth of possible underlying significant abnormalities, including meningitis, brain neoplasms, and intracranial hemorrhage. For this reason, many children with headaches undergo neuroimaging. Most neuroimaging studies performed of children with headaches have normal findings but may lead to significant downstream effects, including unnecessary exposure to ionizing radiation or sedation, as well as unnecessary cost to the health care system...
September 12, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28895274/methodological-recommendations-for-cognition-trials-in-bipolar-disorder-by-the-international-society-for-bipolar-disorders-targeting-cognition-task-force
#9
REVIEW
K W Miskowiak, K E Burdick, A Martinez-Aran, C M Bonnin, C R Bowie, A F Carvalho, P Gallagher, B Lafer, C López-Jaramillo, T Sumiyoshi, R S McIntyre, A Schaffer, R J Porter, I J Torres, L N Yatham, A H Young, L V Kessing, E Vieta
OBJECTIVES: To aid the development of treatment for cognitive impairment in bipolar disorder, the International Society for Bipolar Disorders (ISBD) convened a task force to create a consensus-based guidance paper for the methodology and design of cognition trials in bipolar disorder. METHODS: The task force was launched in September 2016, consisting of 18 international experts from nine countries. A series of methodological issues were identified based on literature review and expert opinion...
September 12, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28892073/progress-and-roadblocks-in-the-search-for-brain-based-biomarkers-of-autism-and-attention-deficit-hyperactivity-disorder
#10
REVIEW
L Q Uddin, D R Dajani, W Voorhies, H Bednarz, R K Kana
Children with neurodevelopmental disorders benefit most from early interventions and treatments. The development and validation of brain-based biomarkers to aid in objective diagnosis can facilitate this important clinical aim. The objective of this review is to provide an overview of current progress in the use of neuroimaging to identify brain-based biomarkers for autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD), two prevalent neurodevelopmental disorders. We summarize empirical work that has laid the foundation for using neuroimaging to objectively quantify brain structure and function in ways that are beginning to be used in biomarker development, noting limitations of the data currently available...
August 22, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28890893/proximate-mediators-of-microvascular-dysfunction-at-the-blood-brain-barrier-neuroinflammatory-pathways-to-neurodegeneration
#11
REVIEW
Barry W Festoff, Ravi K Sajja, Luca Cucullo
Current projections are that by 2050 the numbers of people aged 65 and older with Alzheimer's disease (AD) in the US may increase threefold while dementia is projected to double every 20 years reaching ~115 million by 2050. AD is clinically characterized by progressive dementia and neuropathologically by neuronal and synapse loss, accumulation of amyloid plaques, and neurofibrillary tangles (NFTs) in specific brain regions. The preclinical or presymptomatic stage of AD-related brain changes may begin over 20 years before symptoms occur, making development of noninvasive biomarkers essential...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28887227/probabilistic-language-models-in-cognitive-neuroscience-promises-and-pitfalls
#12
REVIEW
Kristijan Armeni, Roel M Willems, Stefan Frank
Cognitive neuroscientists of language comprehension study how neural computations relate to cognitive computations during comprehension. On the cognitive part of the equation, it is important that the computations and processing complexity are explicitly defined. Probabilistic language models can be used to give a computationally explicit account of language complexity during comprehension. Whereas such models have so far predominantly been evaluated against behavioral data, only recently have the models been used to explain neurobiological signals...
September 5, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28886496/convulsive-status-epilepticus-in-a-quaternary-hospital-paediatric-intensive-care-unit-picu-in-south-africa-an-8-year-review
#13
Yavini Reddy, Yusentha Balakrishna, Lawrence Mubaiwa
PURPOSE: Convulsive status epilepticus (CSE) is associated with a high morbidity and mortality. This study aimed to describe the clinical profile, aetiology, neuroimaging and EEG findings as well as outcome of children with CSE in Sub-Saharan Africa. METHODS: This was a retrospective analysis of electronic records of children with CSE admitted to the Paediatric Intensive Care Unit (PICU) over an 8-year period from January 2007 to December 2014. RESULTS: Seventy six patients were admitted to the PICU with CSE and 55(72%) had refractory status epilepticus...
August 2, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28885368/successful-management-of-octreotide-insensitive-thyrotropin-secreting-pituitary-adenoma-with-bromocriptine-and-surgery-a-case-report-and-literature-review
#14
REVIEW
Chengxian Yang, Huanwen Wu, Jing Wang, Mingming Hu, Xiaoping Xing, Xinjie Bao, Renzhi Wang
RATIONALE: Case reports concerning the value of dopamine agonists in the treatment of patients with thyrotropin-secreting pituitary adenoma (TSHoma) are limited. Herein, we present a rare case of octreotide-insensitive TSHoma responding to bromocriptine therapy. PATIENT CONCERNS: A 45-year-old Chinese man was admitted to Peking Union Medical College Hospital with marked clinical manifestations of hyperthyroidism. DIAGNOSES: Thyroid function tests demonstrated elevated concentrations of free thyroid hormones in the presence of normal thyrotropin...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28883869/ataxia-in-childhood-epidemiological-clinical-and-neuroradiologic-features-and-the-risk-of-recurrence
#15
REVIEW
Mohsen Javadzadeh, Masoud Hassanvand Amouzadeh, Shaghayegh Sadat Esmail Nejad, Ezatollah Abasi, Abbas Alipour, Mohsen Mollamohammadi
OBJECTIVE: This study was conducted on the demographic data, clinical characteristics, electroencephalography, neuroradiological findings, and their impact on the recurrence of ataxia. MATERIALS & METHODS: A 3-yr retrospective review of 49 children with ataxia in Mofid Children Hospital, Tehran, Iran was conducted from Apr 2013 to Apr 2016. The demographic, clinical and paraclinical data were recorded in pre-prepared questionnaires. The patients were also classified in two groups of with or without recurrence and the results were compared...
2017: Iranian Journal of Child Neurology
https://www.readbyqxmd.com/read/28883806/functional-neuroimaging-in-traumatic-brain-injury-from-nodes-to-networks
#16
REVIEW
John D Medaglia
Since the invention of functional magnetic resonance imaging (fMRI), thousands of studies in healthy and clinical samples have enlightened our understanding of the organization of cognition in the human brain and neuroplastic changes following brain disease and injury. Increasingly, studies involve analyses rooted in complex systems theory and analysis applied to clinical samples. Given the complexity in available approaches, concise descriptions of the theoretical motivation of network techniques and their relationship to traditional approaches and theory are necessary...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28883804/the-influences-of-emotion-on-learning-and-memory
#17
REVIEW
Chai M Tyng, Hafeez U Amin, Mohamad N M Saad, Aamir S Malik
Emotion has a substantial influence on the cognitive processes in humans, including perception, attention, learning, memory, reasoning, and problem solving. Emotion has a particularly strong influence on attention, especially modulating the selectivity of attention as well as motivating action and behavior. This attentional and executive control is intimately linked to learning processes, as intrinsically limited attentional capacities are better focused on relevant information. Emotion also facilitates encoding and helps retrieval of information efficiently...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28883803/basic-emotions-in-human-neuroscience-neuroimaging-and-beyond
#18
REVIEW
Alessia Celeghin, Matteo Diano, Arianna Bagnis, Marco Viola, Marco Tamietto
The existence of so-called 'basic emotions' and their defining attributes represents a long lasting and yet unsettled issue in psychology. Recently, neuroimaging evidence, especially related to the advent of neuroimaging meta-analytic methods, has revitalized this debate in the endeavor of systems and human neuroscience. The core theme focuses on the existence of unique neural bases that are specific and characteristic for each instance of basic emotion. Here we review this evidence, outlining contradictory findings, strengths and limits of different approaches...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28882863/patient-outcomes-and-cerebral-infarction-after-ruptured-anterior-communicating-artery-aneurysm-treatment
#19
J J Heit, R L Ball, N A Telischak, H M Do, R L Dodd, G K Steinberg, S D Chang, M Wintermark, M P Marks
BACKGROUND AND PURPOSE: Anterior communicating artery aneurysm rupture and treatment is associated with high rates of dependency, which are more severe after clipping compared with coiling. To determine whether ischemic injury might account for these differences, we characterized cerebral infarction burden, infarction patterns, and patient outcomes after surgical or endovascular treatment of ruptured anterior communicating artery aneurysms. MATERIALS AND METHODS: We performed a retrospective cohort study of consecutive patients with ruptured anterior communicating artery aneurysms...
September 7, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28876969/noncognitive-behavioral-changes-associated-with-alzheimer-s-disease-implications-of-neuroimaging-findings
#20
Jeff Victoroff, Feng V Lin, Kerry L Coburn, Samuel D Shillcutt, Valerie Voon, Simon Ducharme
Alzheimer's disease (AD) is commonly associated with noncognitive behavioral changes (NCBCs). The authors systematically reviewed whether neuroimaging has helped with understanding the pathophysiology, diagnosis, or management of NCBCs associated with AD, including depression, aggression or agitation, anxiety, apathy, psychosis, and sleep disorder. The authors identified dissociable neural substrates with multimodal imaging: depression implicates the lateral and superior prefrontal cortex; apathy and agitation implicate the dorsal anterior cingulate; psychosis implicates right lateralized frontal and medial temporal areas; and anxiety implicates mesial temporal regions...
September 6, 2017: Journal of Neuropsychiatry and Clinical Neurosciences
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