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Understanding Developmental Dyslexia: Linking Perceptual and Cognitive Deficits to Reading Processes

Authors: --- ---
Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889198641 Year: Pages: 309 DOI: 10.3389/978-2-88919-864-1 Language: English
Publisher: Frontiers Media SA
Subject: Psychology --- Neurology --- Science (General)
Added to DOAB on : 2016-01-19 14:05:46
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Abstract

Understanding the mechanisms responsible for developmental dyslexia (DD) is a key challenge for researchers. A large literature, mostly concerned with learning to read in opaque orthographies, emphasizes phono-logical interpretations of the disturbance. Other approaches focused on the visual-per-ceptual aspects of orthographic coding. Recently, this perspective was supported by imaging data showing that individuals with DD have hypo-activation in occipito-temporal areas (a finding common to both transpar-ent and opaque orthographies). Nevertheless, it is difficult to infer causal relationships from activation data. Accommodating these findings within the cognitive architecture of reading processes is still an open issue. This is a general problem, which is present in much of the literature. For example, several studies investigating the perceptual and cognitive abilities that distinguish groups of children with and without DD failed to provide explicit links with the reading process. Thus, several areas of investigation (e.g., acoustic deficits or magnocellular deficiencies) have been plagued by replication failures. Furthermore, much research has neglected the possible contribution of comorbid symptoms. By contrast, it is now well established that developmental disorders present a large spectrum of homotopic and heterotopic co-morbidities that make causal interpretations problematic. This has led to the idea that the etiology of learning difficulties is multifactorial, thus challenging the traditional models of DD. Recent genetic studies provide information on the multiple risk factors that contribute to the genesis of the disturbance. Another critical issue in DD is that much of the research has been conducted in English-speaking individuals. However, English is a highly irregular orthography and doubts have been raised on the appropriateness of automatically extending interpretations based on English to other more regular orthographies. By contrast, important information can be gotten from systematic comparisons across languages. Thus, the distinction between regular and irregular orthographies is another potentially fruitful area of investigation. Overall, in spite of much research current interpretations seem unable to integrate all available findings. Some proposals focus on the cognitive description of the reading profile and explicitly ignore the distal causes of the disturbance. Others propose visual, acoustic or phonological mech-anisms but fail to link them to the pattern of reading impairment present in different children. The present Research Topic brings together studies based on different methodological approaches (i.e., behavioural studies examining cognitive and psycholinguistic factors, eye movement inves-tigations, biological markers, neuroimaging and genetic studies), involving dyslexic groups with and without comorbid symptoms, and in different orthographies (transparent and opaque) to identify the mechanisms underlying DD. The RT does not focus on a single model or theory of dyslexia but rather brings together different approaches and ideas which we feel are fruitful for a deeper understanding developmental dyslexia.

Pediatric Integrative Medicine: An Emerging Field of Pediatrics

ISBN: 9783038420620 9783038420637 Year: Pages: 172 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Added to DOAB on : 2015-10-22 07:30:21
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Pediatric integrative medicine is a specialty that blends conventional medicine with evidence-based complementary therapies. Research shows that use of integrative medicine is common in children, especially in those living with chronic illness. Knowledge in several important areas of pediatric integrative medicine has expanded exponentially over the last decade. Despite this progress, many pediatricians and practitioners who work with children remain unaware of developments in this field.The goal of this special issue is to: define pediatric integrative medicine in its modern context, provide a history of the field’s evolution, highlight areas where research for its use in children is most robust at this time, and identify areas where research is lacking or evolving. Models of the use of integrative medicine in clinical pediatrics will be examined. Bioethics, informed consent, and provider credentialing will be discussed.Some of the most exciting clinical applications of integrative medicine in pediatrics include the use of mind-body medicine therapies such as guided imagery, hypnosis, and biofeedback for the treatment of pain. Mitigation of toxic stress and its health manifestations in children are another area of great potential application of the mind-body therapies. Other areas include integrative approaches to chronic illness, such as cancer, asthma, arthritis, bowel disease, and other chronic conditions where conventional therapies are necessary, yet leave treatment gaps that can be filled with evidence-based integrative therapies targeting lifestyle elements such as nutrition, sleep, physical activity, and social support that are often overlooked in this patient population. Integrative approaches have great potential in preventative heath. Conditions such as obesity and the metabolic syndrome affect a sobering number of children across all age ranges. Few successful treatment models exist for this patient population. Healthy lifestyle measures learned early in life can be a critical factor in providing a foundation for lifelong health for the child and family. Successful models for the use of integrative medicine in these patient populations are needed and will be explored.

Neurofeedback in ADHD

Authors: --- --- --- --- et al.
Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889197224 Year: Pages: 170 DOI: 10.3389/978-2-88919-722-4 Language: English
Publisher: Frontiers Media SA
Subject: Neurology --- Science (General)
Added to DOAB on : 2016-04-07 11:22:02
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EEG-based neurofeedback is used as a treatment approach in attention-deficit / hyperactivity disorder (ADHD), a clinically and pathophysiologically heterogeneous child psychiatric disorder. There is increasing evidence for specific effects of neurofeedback when applying 'standard' protocols (slow cortical potentials, theta/beta, sensorimotor rhythm). Knowledge about underlying mechanisms and moderating variables is increasing. Nevertheless, further well-controlled and conducted trials are needed to answer open questions concerning optimisation and individualisation of neurofeedback. Further improvements may develop with new methods and technical developments (e.g., tomographic neurofeedback) and new concepts (integrated ADHD treatment). This Frontiers Research Topic comprising 14 articles intends to answer the following questions concerning neurofeedback in ADHD:• How efficacious is neurofeedback?• What is the rationale of applying a certain neurofeedback protocol in ADHD?• What are central mechanisms and which moderating variables may affect training and treatment outcome?• How to optimise treatment? What are new developments and which benefits may be expected?Aspects of learning theory are also stressed dissociating 'neurofeedback as a treatment' and 'neurofeedback as entertainment'. In the Editorial, this crucial aspect is compared to the way you read (and study) a scientific book versus reading a thriller for leisure. In this respect: Enjoy this Research Topic, study and apply it in practice, unless you read it for entertainment purposes!

Updates in Pediatric Sleep and Child Psychiatry

Authors: ---
ISBN: 9783038979388 / 9783038979395 Year: Pages: 160 DOI: 10.3390/books978-3-03897-939-5 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Medicine (General) --- Pediatrics
Added to DOAB on : 2019-06-26 08:44:06
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Sleep-related symptoms are common in the majority of psychiatric diagnostic categories. The overlap of sleep and psychiatric disorders have been demonstrated in numerous studies. The understanding of sleep and child psychiatry has progressively evolved in the last decade and newer insights have developed regarding the complex interaction between sleep and psychopathology. This collection of articles represents updates on sleep and psychiatric disorders with medical and neurological co-morbidities in children and adolescents.

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