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https://www.readbyqxmd.com/read/28729888/social-brain-circuitry-and-social-cognition-in-infants-born-preterm
#1
REVIEW
Angela Fenoglio, Michael K Georgieff, Jed T Elison
Preterm birth is associated with an increased risk of adverse neurologic, psychiatric, and cognitive outcomes. The brain circuits involved in processing social information are critical to all of these domains, but little work has been done to examine whether and how these circuits may be especially sensitive to prematurity. This paper contains a brief summary of some of the cognitive, psychiatric, and social outcomes associated with prematurity, followed by a description of findings from the modest body of research into social-cognitive development in infants and children born preterm...
2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28728548/social-brain-circuitry-and-social-cognition-in-infants-born-preterm
#2
REVIEW
Angela Fenoglio, Michael K Georgieff, Jed T Elison
Preterm birth is associated with an increased risk of adverse neurologic, psychiatric, and cognitive outcomes. The brain circuits involved in processing social information are critical to all of these domains, but little work has been done to examine whether and how these circuits may be especially sensitive to prematurity. This paper contains a brief summary of some of the cognitive, psychiatric, and social outcomes associated with prematurity, followed by a description of findings from the modest body of research into social-cognitive development in infants and children born preterm...
July 19, 2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28719076/multimodal-image-analysis-of-clinical-influences-on-preterm-brain-development
#3
Gareth Ball, Paul Aljabar, Phumza Nongena, Nigel Kennea, Nuria Gonzalez-Cinca, Shona Falconer, Andrew T M Chew, Nicholas Harper, Julia Wurie, Mary A Rutherford, Serena J Counsell, A David Edwards
Objective Premature birth is associated with numerous complex abnormalities of white and grey matter and a high incidence of long-term neurocognitive impairment. An integrated understanding of these abnormalities and their association with clinical events is lacking. The aim of this study was to identify specific patterns of abnormal cerebral development and their antenatal and postnatal antecedents. Methods In a prospective cohort of 449 infants (226 male), we performed a multi-variate and data-driven analysis combining multiple imaging modalities...
July 18, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28687527/the-first-patient-with-sporadic-x-linked-intellectual-disability-with-de-novo-zdhhc9-mutation-identified-by-targeted-next-generation-sequencing
#4
Ji Yoon Han, In Goo Lee, Soyoung Shin, Myungshin Kim, Ja Hyun Jang, Joonhong Park
X-linked intellectual disability (XLID) is a genetically heterogeneous disorder involving more than 100 genes known to date. Here, we describe a Korean male infant with global developmental delay. He had neither facial dysmorphism nor skeletal abnormalities. Bayley scale of infant and toddler development third edition (Bayley-III) measured at age of 2 years revealed marked global developmental delays without Marfanoid habitus, structural brain abnormalities, or epilepsy. The patient's cognitive, motor, and language developmental ages were 8-9 months, 12 months, and 9 months, respectively...
July 4, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28674020/brain-regions-and-functional-interactions-supporting-early-word-recognition-in-the-face-of-input-variability
#5
Silvia Benavides-Varela, Roma Siugzdaite, David Maximiliano Gómez, Francesco Macagno, Luigi Cattarossi, Jacques Mehler
Perception and cognition in infants have been traditionally investigated using habituation paradigms, assuming that babies' memories in laboratory contexts are best constructed after numerous repetitions of the very same stimulus in the absence of interference. A crucial, yet open, question regards how babies deal with stimuli experienced in a fashion similar to everyday learning situations-namely, in the presence of interfering stimuli. To address this question, we used functional near-infrared spectroscopy to test 40 healthy newborns on their ability to encode words presented in concomitance with other words...
July 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28670190/newborn-screening-for-thyroid-stimulating-hormone-as-an-indicator-for-assessment-of-iodine-status-in-the-republic-of-macedonia
#6
Violeta Anastasovska, Mirjana Kocova
BACKGROUND: Iodine deficiency is associated with goiter and impaired brain function leading to cretinism. An increased frequency of thyroid-stimulating hormone (TSH) measurements above 5 mlU/L on newborn screening points toward an impaired iodine status of the population. METHODS: A 13-year retrospective analysis was performed in 228,266 newborns participating in the national thyroid newborn screening program. The TSH concentration was measured in dry blood spots collected by heel stick on filter paper, 48 hours after birth, using fluoroimmunometric DELFIA method...
October 2016: Journal of Medical Biochemistry
https://www.readbyqxmd.com/read/28661908/associations-between-hormonal-biomarkers-and-cognitive-motor-and-language-developmental-status-in-very-low-birth-weight-infants
#7
June Cho, Diane Holditch-Davis, Xiaogang Su, Vivien Phillips, Fred Biasini, Waldemar A Carlo
BACKGROUND: Male infants are more prone to health problems and developmental delays than female infants. OBJECTIVES: On the basis of theories of gender differences in brain development and social relationships, we explored associations between testosterone and cortisol levels with infant cognitive, motor, and language development ("infant development") in very low birth weight (VLBW) infants, controlling for mother-infant interactions, characteristics of mothers and infants, and days of saliva collection after birth...
June 28, 2017: Nursing Research
https://www.readbyqxmd.com/read/28658291/importance-of-neonatal-immunoglobulin-transfer-for-hippocampal-development-and-behaviour-in-the-newborn-pig
#8
Kateryna Goncharova, Liudmyla Lozinska, Ester Arevalo Sureda, Jarosław Woliński, Björn Weström, Stefan Pierzynowski
Neurological disorders are among the main clinical problems affecting preterm children and often result in the development of communication and learning disabilities later in life. Several factors are of importance for brain development, however the role of immunoglobulins (passive immunity transfer) has not yet been investigated. Piglets are born agammaglobulinemic, as a result of the lack of transfer of maternal immunoglobulins in utero, thus, they serve as an ideal model to mimic the condition of immunoglobulin deficiency in preterm infants...
2017: PloS One
https://www.readbyqxmd.com/read/28617197/chronic-early-life-stress-induced-by-limited-bedding-and-nesting-lbn-material-in-rodents-critical-considerations-of-methodology-outcomes-and-translational-potential
#9
Claire-Dominique Walker, Kevin G Bath, Marian Joels, Aniko Korosi, Muriel Larauche, Paul J Lucassen, Margaret J Morris, Charlis Raineki, Tania L Roth, Regina M Sullivan, Yvette Taché, Tallie Z Baram
The immediate and long-term effects of exposure to early life stress (ELS) have been documented in humans and animal models. Even relatively brief periods of stress during the first 10 days of life in rodents can impact later behavioral regulation and the vulnerability to develop adult pathologies, in particular an impairment of cognitive functions and neurogenesis, but also modified social, emotional, and conditioned fear responses. The development of preclinical models of ELS exposure allows the examination of mechanisms and testing of therapeutic approaches that are not possible in humans...
July 12, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28605484/infants-born-preterm-demonstrate-impaired-exploration-of-their-bodies-and-surfaces-throughout-the-first-two-years-of-life
#10
Iryna Babik, James Cole Galloway, Michele A Lobo
Background.: Non-object-oriented exploratory behaviors infants perform with their bodies and surfaces have been proposed to be key precursors of infants' object exploration, early learning, and future cognitive development. Little is known about the developmental trajectories of these behaviors, especially for infants born preterm. Objective.: The purpose of the study was to longitudinally compare non-object-oriented exploratory behaviors performed by full-term and preterm infants...
June 12, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28604578/long-term-outcomes-of-cochlear-implantation-in-children-with-congenital-cytomegalovirus-infection
#11
Haruo Yoshida, Haruo Takahashi, Yukihiko Kanda, Kyoko Kitaoka, Minoru Hara
OBJECTIVE: To investigate the role of the developmental delay often observed in children with congenital cytomegalovirus (CMV) infection on the improvement of language understanding after cochlear implantation (CI). STUDY DESIGN: Retrospective chart review. PATIENTS: Sixteen children with severe and/or profound hearing loss due to congenital CMV infection (CMV group) and 107 congenitally deaf children (168 ears) without CMV infection as the cause of deafness (non-CMV group)...
August 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28603509/emerging-trends-in-the-multimodal-nature-of-cognition-touch-and-handedness
#12
REVIEW
Miriam Ittyerah
Advances in tactile cognition and haptics have increased our understanding of the multimodal nature of touch. Haptic data is mostly confined to human performance arising from the flexibility and dexterity of the fingers used to discriminate shapes and objects. Studies with infants indicate that recognition of objects either seen or held in the hand is possible during early periods of infancy. Evidence indicates performance differences between the hands decrease over periods of development, reflecting maturation of the cortical brain system supporting motor skills...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28602489/prenatal-naled-and-chlorpyrifos-exposure-is-associated-with-deficits-in-infant-motor-function-in-a-cohort-of-chinese-infants
#13
Monica K Silver, Jie Shao, Binquan Zhu, Minjian Chen, Yankai Xia, Niko Kaciroti, Betsy Lozoff, John D Meeker
BACKGROUND: Organophosphate insecticides (OPs) are used worldwide, yet despite nearly ubiquitous exposure in the general population, few have been studied outside the laboratory. Fetal brains undergo rapid growth and development, leaving them susceptible to long-term effects of neurotoxic OPs. The objective here was to investigate the extent to which prenatal exposure to OPs affects infant motor development. METHODS: 30 OPs were measured in umbilical cord blood using gas chromatography tandem mass spectrometry in a cohort of Chinese infants...
June 6, 2017: Environment International
https://www.readbyqxmd.com/read/28589258/a-latent-measure-explains-substantial-variance-in-white-matter-microstructure-across-the-newborn-human-brain
#14
Emma J Telford, Simon R Cox, Sue Fletcher-Watson, Devasuda Anblagan, Sarah Sparrow, Rozalia Pataky, Alan Quigley, Scott I Semple, Mark E Bastin, James P Boardman
A latent measure of white matter microstructure (g WM) provides a neural basis for information processing speed and intelligence in adults, but the temporal emergence of g WM during human development is unknown. We provide evidence that substantial variance in white matter microstructure is shared across a range of major tracts in the newborn brain. Based on diffusion MRI scans from 145 neonates [gestational age (GA) at birth range 23(+2)-41(+5) weeks], the microstructural properties of eight major white matter tracts were calculated using probabilistic neighborhood tractography...
June 6, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28558876/chaotic-home-environment-is-associated-with-reduced-infant-processing-speed-under-high-task-demands
#15
Przemysław Tomalski, Karolina Marczuk, Ewa Pisula, Anna Malinowska, Rafał Kawa, Alicja Niedźwiecka
Early adversity has profound long-term consequences for child development across domains. The effects of early adversity on structural and functional brain development were shown for infants under 12 months of life. However, the causal mechanisms of these effects remain relatively unexplored. Using a visual habituation task we investigated whether chaotic home environment may affect processing speed in 5.5 month-old infants (n=71). We found detrimental effects of chaos on processing speed for complex but not for simple visual stimuli...
August 2017: Infant Behavior & Development
https://www.readbyqxmd.com/read/28557378/lasting-effects-of-early-life-stress-in-mice-interaction-of-maternal-environment-and-infant-genes
#16
Ariel J Feifel, Harry N Shair, Claudia Schmauss
In the mouse, a powerful paradigm of early life stress, infant maternal separation (IMS), can trigger emotional and cognitive dysfunctions in adulthood similar to those found in humans with a history of childhood adversity. The magnitude of IMS effects differs among diverse inbred strains suggesting an interaction between the genetic background of pups and the maternal care they received. Here we investigated this interaction with studies on reciprocal F1 hybrid mice of the stress-susceptible Balb/c and the resilient C57Bl/6 strains that were either raised by Balb/c mothers (low maternal care) or by C57Bl/6 mothers (higher maternal care) with or without IMS exposure...
May 30, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/28553989/neuroimaging-in-former-preterm-children-who-received-erythropoiesis-stimulating-agents
#17
John Phillips, Ronald A Yeo, Arvind Caprihan, Daniel C Cannon, Shrena Patel, Sarah Winter, Michael Steffen, Richard Campbell, Susan Wiedmeier, Shawna Baker, Sean Gonzales, Jean Lowe, Robin K Ohls
BACKGROUND: In premature children, erythropoiesis stimulating agents (ESAs) may improve developmental outcome. It is not clear which of several potential mechanisms are responsible for this improvement. High resolution MRI and diffusion tensor imaging characterize brain structure and white matter organization, offering possible insight into the long-term effect of ESAs on brain development. DESIGN/METHODS: MRI scans were performed at 3.5 to 4 years of age on former preterm infants treated with ESAs or placebo, and on healthy term controls...
May 29, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28549636/amplitude-integrated-electroencephalography-improves-the-identification-of-infants-with-encephalopathy-for-therapeutic-hypothermia-and-predicts-neurodevelopmental-outcomes-at-2-years-of-age
#18
Janne Helen Skranes, Gro Løhaugen, Eva Margrethe Schumacher, Damjan Osredkar, Andres Server, Frances Mary Cowan, Tom Stiris, Drude Fugelseth, Marianne Thoresen
OBJECTIVES: To examine whether using an amplitude-integrated electroencephalography (aEEG) severity pattern as an entry criterion for therapeutic hypothermia better selects infants with hypoxic-ischemic encephalopathy and to assess the time-to-normal trace for aEEG and magnetic resonance imaging (MRI) lesion load as 24-month outcome predictors. STUDY DESIGN: Forty-seven infants meeting Norwegian therapeutic hypothermia guidelines were enrolled prospectively. Eight-channel EEG/aEEG was recorded from 6 hours until after rewarming, and read after discharge...
May 23, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28546087/region-specific-oligodendrocyte-transcription-factor-expression-in-a-model-of-neonatal-hypoxic-injury
#19
Bethann M Affeldt, Andre Obenaus, Jonathan Chan, Andrea C Pardo
White matter injury (WMI) of prematurity is associated with a spectrum of neurological disorders ranging from mild cognitive and behavioral deficits to cerebral palsy. Translational studies have implicated impaired oligodendrocyte development after hypoxia as the primary cause of WMI, but the underlying mechanisms remain poorly understood. The goal of this study was to identify alterations in the expression of oligodendrocyte precursor cell transcription factors in a mouse model of transient mild global hypoxia...
May 22, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28536205/severe-retinopathy-of-prematurity-predicts-delayed-white-matter-maturation-and-poorer-neurodevelopment
#20
Torin J A Glass, Vann Chau, Jane Gardiner, Justin Foong, Jillian Vinall, Jill G Zwicker, Ruth E Grunau, Anne Synnes, Kenneth J Poskitt, Steven P Miller
OBJECTIVE: To determine whether severe retinopathy of prematurity (ROP) is associated with (1) abnormal white matter maturation and (2) neurodevelopmental outcomes at 18 months' corrected age (CA) compared with neonates without severe ROP. DESIGN: We conducted a prospective longitudinal cohort of extremely preterm neonates born 24-28 weeks' gestational age recruited between 2006 and 2013 with brain MRIs obtained both early in life and at term-equivalent age. Severe ROP was defined as ROP treated with retinal laser photocoagulation...
May 23, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
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