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Brain & Development

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https://www.readbyqxmd.com/read/28803681/a-survey-on-stimuli-for-visual-cortical-function-assessment-in-infants
#1
REVIEW
Farveh Daneshvarfard, Nasrin Maarefi, Hamid Abrishami Moghaddam, Fabrice Wallois
Visual processing, as a significant and complex functionality of the human brain, changes during the life span with the most developmental changes in the infancy. Different types of visual stimuli are needed for evaluating different functionalities of the infants' visual system. Selecting appropriate visual stimuli is an important issue in evaluating visual cortical functions in infants. Properties of stimulation influence responses of visual system and must be adjusted according to the age and specific function which is going to be investigated...
August 10, 2017: Brain & Development
https://www.readbyqxmd.com/read/28802630/infantile-hypophosphatasia-combined-with-vitamin-b6-responsive-seizures-and-reticular-formation-lesions-on-magnetic-resonance-imaging-a-case-report
#2
Mitsuharu Fukazawa, Junichiro Tezuka, Momoko Sasazuki, Natsuko Masumoto, Haruhisa Baba, Takehiko Doi, Yasushi Tsutsumi, Yuji Mizuno, Futoshi Mihara, Hideki Nakayama
BACKGROUND: Hypophosphatasia (HPP) is a rare genetic disorder characterized by rachitic bone manifestations and a low serum alkaline phosphatase (ALP) level. It is caused by mutations in the tissue non-specific alkaline phosphatase (TNSALP) gene, which encodes the tissue non-specific isozyme of ALP. HPP patients exhibit various presentations depending on their age at onset, such as infantile HPP combined with vitamin B6-responsive seizures. CASE PRESENTATION: A newborn with infantile HPP presented with tonic convulsions from day 5 after birth and received intravenous vitamin B6 (10mg/kg/day pyridoxal phosphate)...
August 9, 2017: Brain & Development
https://www.readbyqxmd.com/read/28801087/cause-of-acute-encephalitis-encephalopathy-in-japanese-children-diagnosed-by-a-rapid-and-comprehensive-virological-detection-system-and-differences-in-their-clinical-presentations
#3
Kei Takasawa, Ryuichi Nakagawa, Shigeru Takishima, Kengo Moriyama, Ken Watanabe, Koji Kiyohara, Takeshi Hasegawa, Masahiro Shimohira, Kenichi Kashimada, Norio Shimizu, Tomohiro Morio
BACKGROUND: Acute encephalitis/encephalopathy (AE/E) is a rare and severe complication of common childhood infections; however, a treatment strategy based on clinical and pathological evidence has not been established. METHODS: The clinical data and aetiological results using a rapid and comprehensive virological detection system of 62 Japanese children diagnosed with AE/E from 2010 to 2014 were collected. We assessed clinical differences between causes and effectiveness of our multiplex PCR system to establish a pathogen-based treatment strategy for AE/E...
August 8, 2017: Brain & Development
https://www.readbyqxmd.com/read/28801086/slowly-progressive-leukodystrophy-in-an-adolescent-male-with-phosphoglycerate-kinase-deficiency
#4
Shimpei Baba, Ayumi Kobayashi, Haruna Yokoyama, Kengo Moriyama, Ayako Kashimada, Jun Oyama, Ayako Owada, Shoichi Oyama, Tomohiro Morio, Masatoshi Takagi
We report the case of an 18-year-old man with a phosphoglycerate kinase (PGK) deficiency who had slowly progressive leukodystrophy during adolescence. The patient had a history of severe neonatal jaundice, hemolytic crisis with rhabdomyolysis triggered by febrile viral infections, dysarthria, and intellectual disability during early childhood. Clumsiness in walking and writing became obvious at ∼10years of age. Evaluations performed by us on the 18-year-old patient confirmed the presence of pyramidal tract signs, increased muscle tone, and generalized dystonia...
August 8, 2017: Brain & Development
https://www.readbyqxmd.com/read/28801085/measuring-in-vivo-cerebral-maturation-using-age-related-t2-relaxation-times-at-3t
#5
Eva Bültmann, Loukia M Spineli, Hans Hartmann, Heinrich Lanfermann
OBJECTIVE: To examine age-related changes in T2 relaxation times during infancy and childhood in order to assess T2 values obtained from routine MRI as a biomarker. METHODS: From our pool of clinical pediatric MRI examinations at 3T all patients with normal conventional MRI scans were retrospectively selected. Depending on their clinical findings the identified 99 patients (0-199months) were divided into 43 healthy controls and 56 diseased children with various clinical abnormalities (developmental delay, epilepsy, prematurity, and deafness)...
August 8, 2017: Brain & Development
https://www.readbyqxmd.com/read/28784301/hashimoto-encephalopathy-in-pediatric-patients-homogeneity-in-clinical-presentation-and-heterogeneity-in-antibody-titers
#6
Jiwon Lee, Hee Joon Yu, Jeehun Lee
OBJECTIVE: Hashimoto encephalopathy is an autoimmune encephalopathy characterized by elevated antithyroid antibodies and a favorable response to corticosteroid. This study delineated the clinical characteristics of pediatric Hashimoto encephalopathy and the significance of low antithyroid antibody titers in diagnosis and treatment. SUBJECTS AND METHODS: Clinical manifestations, antibody titers, and treatment responses were retrospectively reviewed in six consecutive children diagnosed with Hashimoto encephalopathy between August 2008 and July 2016...
August 4, 2017: Brain & Development
https://www.readbyqxmd.com/read/28781028/hypoplastic-hippocampus-in-atypical-rett-syndrome-with-a-novel-foxg1-mutation
#7
Kotoha Harada, Mayumi Yamamoto, Yukihiko Konishi, Kaori Koyano, Satoru Takahashi, Masanori Namba, Takashi Kusaka
The forkhead box G1 (FOXG1) gene encodes a brain-specific transcription factor and is associated with a congenital variant of atypical Rett syndrome (RTT); several FOXG1 mutations have been identified. The congenital variant of RTT shows a hypoplastic corpus callosum, delayed myelination, and frontal and temporal atrophy. Although no report has described a hippocampal abnormality in humans, the current study suggests that FOXG1 also regulates neurogenesis in the postnatal hippocampus. In the present case, severe developmental delay was observed in a patient with a congenital variant of RTT from about 4months, in conjunction with acquired microcephaly, hypotonia, limited motor function, absent purposeful hand use, and repetitive jerky movements of the upper limbs...
August 3, 2017: Brain & Development
https://www.readbyqxmd.com/read/28774670/exploring-a-method-for-evaluation-of-preschool-and-school-children-with-autism-spectrum-disorder-through-checking-their-understanding-of-the-speaker-s-emotions-with-the-help-of-prosody-of-the-voice
#8
Mayumi Horie, Hitoshi Okamura
PURPOSE: We attempted to evaluate the ability of 125 preschool and school children with autism spectrum disorder (ASD children) to understand the intentions of those speaking to them using prosody of the voice, by comparing it with that of 119 typically developing children (TDC) and 51 development-age-matched children with attention deficit hyperactivity disorder (ADHD children), and to explore, based on the results, a method for objective evaluation of children with ASD in the early and later periods of childhood...
July 31, 2017: Brain & Development
https://www.readbyqxmd.com/read/28774669/neurodevelopmental-disorders-in-children-with-macrocephaly-a-prevalence-study-and-pten-gene-analysis
#9
Hirofumi Kurata, Kentaro Shirai, Yoshiaki Saito, Tetsuya Okazaki, Koyo Ohno, Masayoshi Oguri, Kaori Adachi, Eiji Nanba, Yoshihiro Maegaki
PURPOSE: To clarify the relationship between macrocephaly and neurodevelopmental disorders, as well as identify the prevalence of PTEN mutations in autism spectrum disorders with macrocephaly in Japan. SUBJECTS AND METHODS: Diagnostic and other medical information of children with macrocephaly younger than 4years (n=93) were collected for analysis. PTEN gene mutation analysis was conducted in another set of 16 macrocephalic individuals aged 3-22years. RESULTS: Sixteen macrocephalic children were associated with neurodevelopmental disorders, including autism spectrum disorders (ASDs) (n=6), autistic traits (n=5), intellectual disability (n=5), attention deficit hyperactivity disorder (n=1), developmental coordination disorders (n=1), and language disorder (n=1)...
July 31, 2017: Brain & Development
https://www.readbyqxmd.com/read/28757110/quantitative-eeg-findings-and-response-to-treatment-with-antiepileptic-medications-in-children-with-epilepsy
#10
Chen-Sen Ouyang, Ching-Tai Chiang, Rei-Cheng Yang, Rong-Ching Wu, Hui-Chuan Wu, Lung-Chang Lin
BACKGROUND: Epilepsy is a common chronic disorder in pediatric neurology. Nowadays, a variety of antiepileptic drugs (AEDs) are available. A scientific method designed to evaluate the effectiveness of AEDs in the early stage of treatment has not been reported. PURPOSE: In this study, we try to use quantitative EEG (QEEG) analysis as a biomarker to evaluate therapeutic effectiveness. METHODS: 20 epileptic children were enrolled in this study...
July 27, 2017: Brain & Development
https://www.readbyqxmd.com/read/28756000/a-novel-mutation-of-wdr62-gene-associated-with-severe-phenotype-including-infantile-spasm-microcephaly-and-intellectual-disability
#11
Rosaria Nardello, Antonina Fontana, Vincenzo Antona, Annalisa Beninati, Giuseppe Donato Mangano, Maria Cristina Stallone, Salvatore Mangano
The autosomal recessive form of primary microcephaly (MCPH) is a rare disorder characterized by head circumference of at least 3 standard deviation below the mean. The MCPH exhibits genetic heterogeneity with thirteen loci (MCPH1-MCPH13) identified, and associated with variable degree of intellectual disability. It has been reported that WDR62 is the second causative gene of autosomal recessive microcephaly (MCPH2) playing a significant role in spindle formation and the proliferation of neuronal progenitor cells...
July 26, 2017: Brain & Development
https://www.readbyqxmd.com/read/28750723/intra-individual-cognitive-imbalance-in-asd-between-perceptual-reasoning-and-ambiguity-solving-related-to-tool-use-comparison-among-children-exhibiting-asd-ad-hd-and-typical-development
#12
Keisuke Wakusawa, Chieko Nara, Yuki Kubota, Yayoi Tomizawa, Yasuyuki Taki, Yuko Sassa, Satoru Kobayashi, Sato Suzuki-Muromoto, Mieko Hirose, Hiroyuki Yokoyama, Takahiro Nara, Shigeo Kure, Norio Mori, Noriyoshi Takei, Ryuta Kawashima
OBJECTIVE: Several studies have suggested that objective deficits in the processing of abstract information in conjunction with an enhanced ability to process concrete information is a definitive characteristic of autism spectrum disorder (ASD). However, this cognitive imbalance is not necessarily clear in high-functioning autistic individuals who do not display absolute differences relative to typically developing (TD) populations. Thus, the purpose of this study was to identify this cognitive tendency in high-functioning autistic individuals using intra-individual cognitive comparisons...
July 24, 2017: Brain & Development
https://www.readbyqxmd.com/read/28734692/respiratory-arrest-at-the-onset-of-idiopathic-childhood-occipital-epilepsy-of-gastaut
#13
Keiko Funata, Tatsuhiko Shike, Toshiki Takenouchi, Yukio Yamashita, Takao Takahashi
Occipital lobe epilepsy of childhood includes two entities: Panayiotopoulos syndrome in pre-school children, and idiopathic childhood occipital epilepsy of Gastaut (ICOEG) in school-age children. The typical initial manifestation of the former is vomiting, and that of the latter is visual hallucinations. Ictal cardiopulmonary arrest at initial presentation has been reported for Panayiotopoulos syndrome, but not for ICOEG. We document a 7-year-old previously healthy girl who experienced an acute elemental visual hallucination of seeing insects, followed by a new-onset generalized seizure...
July 19, 2017: Brain & Development
https://www.readbyqxmd.com/read/28734691/cerebellar-fits-in-the-2000s
#14
Domenico Serino, Davide Caputo, Lucia Fusco
Acute compression on the brainstem or acute increase in intracranial pressure may induce non-epileptic events varying from tonic seizures to axial rigidity with motor automatism, sometimes clearly characterized by decerebrate or decorticate paroxysmal posturing. The EEG correlate is characterized by diffuse asynchronous slow waves of variable amplitude. The mechanism behind such events, known as "cerebellar seizures or fits", is linked to cerebellar herniation and brainstem compression and is not of cortical origin...
July 19, 2017: Brain & Development
https://www.readbyqxmd.com/read/28728838/kcnq2-encephalopathy-a-case-due-to-a-de-novo-deletion
#15
Carlotta Spagnoli, Grazia Gabriella Salerno, Alessandro Iodice, Daniele Frattini, Francesco Pisani, Carlo Fusco
KCNQ2 encephalopathy is characterized by severely abnormal EEG, neonatal-onset epilepsy and developmental delay. It is caused by mutations (typically missense) in the KCNQ2 gene, encoding the voltage gated potassium channel Kv7.2 and leading to a negative-dominant effect. We present one case experiencing recurrent neonatal seizures with changing hemispheres of origin, reminiscent of epilepsy of infancy with migrating focal seizures. At 9months of age the patient is still seizure-free on carbamazepine, although he is developing a spastic-dystonic tetraplegia with severe dysphagia...
July 17, 2017: Brain & Development
https://www.readbyqxmd.com/read/28728837/epileptic-apnea-in-a-patient-with-inherited-glycosylphosphatidylinositol-anchor-deficiency-and-pigt-mutations
#16
Kosuke Kohashi, Akihiko Ishiyama, Shota Yuasa, Tomomi Tanaka, Kazushi Miya, Yuichi Adachi, Noriko Sato, Hirotomo Saitsu, Chihiro Ohba, Naomichi Matsumoto, Yoshiko Murakami, Taroh Kinoshita, Kenji Sugai, Masayuki Sasaki
We report an 11-month-old boy with acetazolamide-responsive epileptic apnea and inherited glycosylphosphatidylinositol (GPI)-anchor deficiency who presented with decreased serum alkaline phosphatase associated with compound PIGT mutations. The patient exhibited congenital anomalies, severe intellectual disability, and seizures, including epileptic apnea with epileptiform discharges from bilateral temporal areas. Brain magnetic resonance imaging revealed delayed myelination and progressive atrophy of the brainstem, cerebellum, and cerebrum...
July 17, 2017: Brain & Development
https://www.readbyqxmd.com/read/28712486/myoclonic-epilepsy-in-infancy-with-preceding-or-concurrent-afebrile-generalized-tonic-clonic-seizures-in-chinese-children
#17
Zhixian Yang, Hui Li, Jiao Xue, Ping Qian, Xiaoyan Liu, Yuehua Zhang
OBJECTIVE: To investigate the general characteristics and the category of myoclonic epilepsy in infancy (MEI) with or without afebrile generalized tonic-clonic seizures (GTCS). METHODS: Thirty-three children were retrospectively recruited from approximately 42,814 video-electroencephalogram (VEEG) recordings monitored in our department over last nearly 10years. Myoclonic seizures (MS) must be identified by VEEG in all patients. The clinical, EEG features and outcome were analyzed among these patients...
July 13, 2017: Brain & Development
https://www.readbyqxmd.com/read/28712485/memorial-address-to-dr-isabelle-rapin
#18
EDITORIAL
Makiko Kaga
No abstract text is available yet for this article.
July 13, 2017: Brain & Development
https://www.readbyqxmd.com/read/28709814/the-therapeutic-implication-of-a-novel-scn2a-mutation-associated-early-onset-epileptic-encephalopathy-with-rett-like-features
#19
Jao-Shwann Liang, Li-Ju Lin, Ming-Tao Yang, Jinn-Shyan Wang, Jyh-Feng Lu
Epileptic encephalopathies are highly heterogeneous and phenotypical disorders with different underlying genetic defects. Mutations in the SCN2A gene cause different epilepsy syndromes, including epilepsy of infancy with migrating focal seizures, Ohtahara syndrome, and West syndrome. We utilized a targeted next generation sequencing (NGS) approach on a girl with early-onset seizures and Rett-like features, including autistic behavior, limited hand function with chorea, and profound intellectual disability, to identify novel missense mutation (c...
July 11, 2017: Brain & Development
https://www.readbyqxmd.com/read/28687180/a-patient-with-early-myoclonic-encephalopathy-eme-with-a-de-novo-kcnq2-mutation
#20
Karin Kojima, Kentaro Shirai, Mizuki Kobayashi, Akihiko Miyauchi, Hirotomo Saitsu, Naomichi Matsumoto, Hitoshi Osaka, Takanori Yamagata
BACKGROUND: The potassium voltage-gated channel subfamily Q member 2 (KCNQ2) gene has been reported to be associated with various types of epilepsy, including benign familial neonatal seizure (BFNS), early infantile epileptic encephalopathy (EIEE), and unclassified early onset encephalopathies. We herein report a patient with early myoclonic encephalopathy (EME) caused by a KCNQ2 mutation. CASE REPORT: A male infant started to exhibit erratic myoclonus several days after birth and apnea attacks lasting for seconds with desaturation...
July 4, 2017: Brain & Development
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