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https://www.readbyqxmd.com/read/29456516/the-socio-communicative-development-of-preterm-infants-is-resistant-to-the-negative-effects-of-parity-on-maternal-responsiveness
#1
Ivete F R Caldas, Marilice F Garotti, Victor K M Shiramizu, Antonio Pereira
Humans are born completely dependent on adult care for survival. To get the necessary support, newborns rely on socio-communicative abilities which have both innate and learned components. Maternal responsiveness (MR), as a critical aspect of mother-infant interaction, is a robust predictor of the acquisition of socio-communicative abilities. However, maternal responsiveness (MR) is influenced by parity, since mothers rely on a limited capacity of cognitive control for efficient attachment with their offspring...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29454023/interaction-between-hypothermia-and-delayed-mesenchymal-stem-cell-therapy-in-neonatal-hypoxic-ischemic-brain-injury
#2
Josephine Herz, Christian Köster, Barbara S Reinboth, Mark Dzietko, Wiebke Hansen, Hemmen Sabir, Cindy van Velthoven, Ivo Bendix, Ursula Felderhoff-Müser
Acute hypothermia treatment (HT) is the only clinically established intervention following neonatal hypoxic-ischemic brain injury. However, almost half of all cooled infants still die or suffer from long-lasting neurological impairments. Regenerative therapies, such as mesenchymal stem cells (MSC) appear promising as adjuvant therapy. In the present study, we hypothesized that HT combined with delayed MSC therapy results in augmented protection, improving long-term neurological outcome. Postnatal day 9 (P9) C57BL/6 mice were exposed to hypoxia-ischemia followed by 4 hours HT...
February 14, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29441034/reduced-mu-power-in-response-to-unusual-actions-is-context-dependent-in-1-year-olds
#3
Miriam Langeloh, David Buttelmann, Daniel Matthes, Susanne Grassmann, Sabina Pauen, Stefanie Hoehl
During social interactions infants predict and evaluate other people's actions. Previous behavioral research found that infants' imitation of others' actions depends on these evaluations and is context-dependent: 1-year-olds predominantly imitated an unusual action (turning on a lamp with one's forehead) when the model's hands were free compared to when the model's hands were occupied or restrained. In the present study, we adapted this behavioral paradigm to a neurophysiological study measuring infants' brain activity while observing usual and unusual actions via electroencephalography...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29427282/neonatal-exposure-to-low-dose-1-2-sevoflurane-increases-rats-hippocampal-neurogenesis-and-synaptic-plasticity-in-later-life
#4
Xi Chen, Xue Zhou, Lu Yang, Xu Miao, Di-Han Lu, Xiao-Yu Yang, Zhi-Bin Zhou, Wen-Bin Kang, Ke-Yu Chen, Li-Hua Zhou, Xia Feng
The increasing usage of general anesthetics on young children and infants has drawn extensive attention to the effects of these drugs on cognitive function later in life. Recent animal studies have revealed improvement in hippocampus-dependent performance after lower concentrations of sevoflurane exposure. However, the long-term effects of low-dose sevoflurane on the developing brain remain elusive. On postnatal day (P) 7, rats were treated with 1.2% sevoflurane (1.2% sevo group), 2.4% sevoflurane (2.4% sevo group), and air control (C group) for 6 h...
February 9, 2018: Neurotoxicity Research
https://www.readbyqxmd.com/read/29413869/association-between-cognition-and-the-retinal-microvasculature-in-11-year-old-children-born-preterm-or-at-term
#5
Fang-Fei Wei, Anke Raaijmakers, Zhen-Yu Zhang, Theun Pieter van Tienoven, Qi-Fang Huang, Wen-Yi Yang, Lutgarde Thijs, Harry A J Struijker-Boudier, Peter Verhamme, Karel Allegaert, Jan A Staessen
BACKGROUND: Retinal microvessels can be visualized non-invasively and mirror the status of the cerebral microvasculature. AIMS: To investigate whether in young children born prematurely or at term cognitive performance is related to retinal microvascular traits. STUDY DESIGN, SUBJECTS: In 93 prematurely born infants (birth weight < 1000 g) and 87 controls born at term, we measured head circumference (HC) and determined intelligence quotient (IQ) by combining matrix reasoning and spatial span (Wechsler Non-Verbal test, Dutch version) and post-processed retinal photographs using Singapore I Vessel Assessment software (version 3...
February 3, 2018: Early Human Development
https://www.readbyqxmd.com/read/29410608/toward-a-neuroscience-of-adult-cognitive-developmental-theory
#6
Fady Girgis, Darrin J Lee, Amir Goodarzi, Jochen Ditterich
Piaget's genetic epistemology has provided the constructivist approach upon which child developmental theories were founded, in that infants are thought to progress through distinct cognitive stages until they reach maturity in their early 20's. However, it is now well established that cognition continues to develop after early adulthood, and several "neo-Piagetian" theories have emerged in an attempt to better characterize adult cognitive development. For example, Kegan's Constructive Developmental Theory (CDT) argues that the thought processes used by adults to construct their reality change over time, and reaching higher stages of cognitive development entails becoming objectively aware of emotions and beliefs that were previously in the realm of the subconscious...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29397345/variability-of-the-hemodynamic-response-in-infants-influence-of-experimental-design-and-stimulus-complexity
#7
REVIEW
Cécile Issard, Judit Gervain
Measuring brain activity in developmental populations remains a major challenge despite great technological advances. Among the numerous available methods, functional near-infrared spectroscopy (fNIRS), an imaging modality that probes the hemodynamic response, is a powerful tool for recording brain activity in a great variety of situations and populations. Neurocognitive studies with infants have often reported inverted hemodynamic responses, i.e. a decrease instead of an increase in regional blood oxygenation, but the exact physiological explanation and cognitive interpretation of this response remain unclear...
January 31, 2018: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29371139/the-infant-brain-in-the-social-world-moving-toward-interactive-social-neuroscience-with-functional-near-infrared-spectroscopy
#8
REVIEW
Nicole M McDonald, Katherine L Perdue
Typically developing infants rapidly acquire a sophisticated array of social skills within the first year of life. These social skills are largely learned within the context of day-to-day interactions with caregivers. While social neuroscience has made great gains in our knowledge of the underlying neural circuitry of social cognition and behavior, much of this work has focused on experiments that sacrifice ecological validity for experimental control. Functional near-infrared spectroscopy (fNIRS) is a promising methodology for measuring brain activity in the context of naturalistic social interactions...
January 22, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29363098/infants-born-preterm-stress-and-neurodevelopment-in-the-neonatal-intensive-care-unit-might-music-have-an-impact
#9
REVIEW
Dane E Anderson, Aniruddh D Patel
AIM: The neonatal intensive care unit (NICU) provides life-saving medical care for an increasing number of newborn infants each year. NICU care, while lifesaving, does have attendant consequences which can include repeated activation of the stress response and reduced maternal interaction, with possible negative long-term impacts on brain development. Here we present a neuroscientific framework for considering the impact of music on neurodevelopment in the NICU of infants born preterm and evaluate current literature on the use of music with this population to determine what is most reliably known of the physiological effects of music interventions...
January 24, 2018: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/29355709/magnesium-sulphate-induces-preconditioning-in-preterm-rodent-models-of-cerebral-hypoxia-ischemia
#10
Gabriella Koning, Ellinor Lyngfelt, Pernilla Svedin, Anna-Lena Leverin, Masako Jinnai, Pierre Gressens, Claire Thornton, Xiaoyang Wang, Carina Mallard, Henrik Hagberg
BACKGROUND: Brain injury in preterm infants represents a substantial clinical problem associated with development of motor impairment, cognitive deficits and psychiatric problems. According to clinical studies, magnesium sulphate (MgSO4) given to women in preterm labor reduces the risk of cerebral palsy in the offspring but the mechanisms behind its neuroprotective effects are still unclear. Our aim was to explore whether MgSO4 induces tolerance (preconditioning) in the preterm rodent brain...
January 17, 2018: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/29341120/trajectories-of-infants-biobehavioral-development-timing-and-rate-of-a-not-b-performance-gains-and-eeg-maturation
#11
Leigha A MacNeill, Nilam Ram, Martha Ann Bell, Nathan A Fox, Koraly Pérez-Edgar
This study examined how timing (i.e., relative maturity) and rate (i.e., how quickly infants attain proficiency) of A-not-B performance were related to changes in brain activity from age 6 to 12 months. A-not-B performance and resting EEG (electroencephalography) were measured monthly from age 6 to 12 months in 28 infants and were modeled using logistic and linear growth curve models. Infants with faster performance rates reached performance milestones earlier. Infants with faster rates of increase in A-not-B performance had lower occipital power at 6 months and greater linear increases in occipital power...
January 17, 2018: Child Development
https://www.readbyqxmd.com/read/29333688/infant-brain-responses-to-felt-and-observed-touch-of-hands-and-feet-an-meg-study
#12
Andrew N Meltzoff, Rey R Ramírez, Joni N Saby, Eric Larson, Samu Taulu, Peter J Marshall
There is growing interest concerning the ways in which the human body, both one's own and that of others, is represented in the developing human brain. In two experiments with 7-month-old infants, we employed advances in infant magnetoencephalography (MEG) brain imaging to address novel questions concerning body representations in early development. Experiment 1 evaluated the spatiotemporal organization of infants' brain responses to being touched. A punctate touch to infants' hands and feet produced significant activation in the hand and foot areas of contralateral primary somatosensory cortex as well as in other parietal and frontal areas...
January 14, 2018: Developmental Science
https://www.readbyqxmd.com/read/29329316/electroencephalography-power-and-coherence-changes-with-age-and-motor-skill-development-across-the-first-half-year-of-life
#13
Ran Xiao, Joanne Shida-Tokeshi, Douglas L Vanderbilt, Beth A Smith
Existing research in infants has correlated electroencephalography (EEG) measures of power and coherence to cognitive development and to locomotor experience, but only in infants older than 5 months of age. Our goal was to explore the relationship between EEG measures of power and coherence and motor skill development in younger infants who are developing reaching skill. Twenty-one infants with typical development between 38 and 203 days of age participated. Longitudinal EEG recording sessions were recorded in monthly increments, with 3-5 sessions acquired for 19 participants and 1 session for 2 participants, resulting in 71 sessions in total...
2018: PloS One
https://www.readbyqxmd.com/read/29328980/consequence-of-intraventricular-hemorrhage-on-neurovascular-coupling-evoked-by-speech-syllables-in-preterm-neonates
#14
Mahdi Mahmoudzadeh, Ghislaine Dehaene-Lambertz, Guy Kongolo, Marc Fournier, Sabrina Goudjil, Fabrice Wallois
Intraventricular Hemorrhage (IVH) is the leading cause of neurological and cognitive impairment in preterm neonates with an incidence that increases with increasing prematurity. In the present study, we tested how preterm neonates with IVH react to external stimulation (i.e. speech syllables). We compared their neural responses measured by electroencephalography (EEG), and hemodynamic responses measured by functional near-infrared spectroscopy (fNIRS), with those of healthy preterms. A neural response to syllables was observed in these infants, but did not induce a vascular response in contrast with healthy neonates...
January 5, 2018: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29306963/earlier-alcohol-use-onset-prospectively-predicts-changes-in-functional-connectivity
#15
Tam T Nguyen-Louie, Alan N Simmons, Lindsay M Squeglia, M Alejandra Infante, Joseph P Schacht, Susan F Tapert
BACKGROUND: Half of all new alcohol initiates are between 12 and 17 years old. This is a period of intense neurodevelopment, including changes in functional connectivity patterns among higher-order function areas. It is crucial to understand how alcohol-related neurotoxicity may be influenced by drinking onset age. DESIGN: This study prospectively examined the effects of age of first drink on frontoparietal context-dependent functional connectivity (cdFC) during a visual working memory task...
January 6, 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29288532/impaired-cognitive-ability-at-2-5-years-predicts-later-visual-and-ophthalmological-problems-in-children-born-very-preterm
#16
Jonina Hreinsdottir, Ylva Fredriksson Kaul, Lena Hellström-Westas, Kerstin Rosander, Claes von Hofsten, Gerd Holmström
AIM: To identify possible predictive factors for visual problems at 6.5 years in children born very preterm. METHODS: During 2004 to 2007, all very preterm infants (gestational age < 32 weeks) in Uppsala County, Sweden, were screened for retinopathy of prematurity (ROP) neonatally; at four months visual tracking was tested; at 2.5 years, visuospatial and cognitive tests were carried out. At 6.5 years, 84 preterm children and a reference group of 64 full-term children underwent ophthalmological testing...
December 29, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29278365/sexually-dimorphic-outcomes-after-neonatal-stroke-and-hypoxia-ischemia
#17
REVIEW
Christiane Charriaut-Marlangue, Valérie C Besson, Olivier Baud
Cohort studies have demonstrated a higher vulnerability in males towards ischemic and/or hypoxic-ischemic injury in infants born near- or full-term. Male sex was also associated with limited brain repair following neonatal stroke and hypoxia-ischemia, leading to increased incidence of long-term cognitive deficits compared to females with similar brain injury. As a result, the design of pre-clinical experiments considering sex as an important variable was supported and investigated because neuroprotective strategies to reduce brain injury demonstrated sexual dimorphism...
December 26, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29277402/early-nutrition-influences-developmental-myelination-and-cognition-in-infants-and-young-children
#18
Sean Deoni, Douglas Dean, Sarah Joelson, Jonathan O'Regan, Nora Schneider
Throughout early neurodevelopment, myelination helps provide the foundation for brain connectivity and supports the emergence of cognitive and behavioural functioning. Early life nutrition is an important and modifiable factor that can shape myelination and, consequently, cognitive outcomes. Differences in the nutritional composition between human breast and formula milk may help explain the functional and cognitive disparity often observed between exclusively breast versus formula-fed children. However, past cognitive and brain imaging studies comparing breast and formula feeding are often: cross-sectional; performed in older children and adolescents relying on parental recall of infant feeding; and generally treat formula-fed children as a single group despite the variability between formula compositions...
December 19, 2017: NeuroImage
https://www.readbyqxmd.com/read/29262276/endoscopic-treatment-versus-shunting-for-infant-hydrocephalus-in-uganda
#19
RANDOMIZED CONTROLLED TRIAL
Abhaya V Kulkarni, Steven J Schiff, Edith Mbabazi-Kabachelor, John Mugamba, Peter Ssenyonga, Ruth Donnelly, Jody Levenbach, Vishal Monga, Mallory Peterson, Michael MacDonald, Venkateswararao Cherukuri, Benjamin C Warf
BACKGROUND: Postinfectious hydrocephalus in infants is a major health problem in sub-Saharan Africa. The conventional treatment is ventriculoperitoneal shunting, but surgeons are usually not immediately available to revise shunts when they fail. Endoscopic third ventriculostomy with choroid plexus cauterization (ETV-CPC) is an alternative treatment that is less subject to late failure but is also less likely than shunting to result in a reduction in ventricular size that might facilitate better brain growth and cognitive outcomes...
December 21, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29246356/a-novel-magnetic-resonance-imaging-score-predicts-neurodevelopmental-outcome-after-perinatal-asphyxia-and-therapeutic-hypothermia
#20
Lauren C Weeke, Floris Groenendaal, Kalyani Mudigonda, Mats Blennow, Maarten H Lequin, Linda C Meiners, Ingrid C van Haastert, Manon J Benders, Boubou Hallberg, Linda S de Vries
OBJECTIVE: To assess the predictive value of a novel magnetic resonance imaging (MRI) score, which includes diffusion-weighted imaging as well as assessment of the deep grey matter, white matter, and cerebellum, for neurodevelopmental outcome at 2 years and school age among term infants with hypoxic-ischemic encephalopathy treated with therapeutic hypothermia. STUDY DESIGN: This retrospective cohort study (cohort 1, The Netherlands 2008-2014; cohort 2, Sweden 2007-2012) including infants born at >36 weeks of gestational age treated with therapeutic hypothermia who had an MRI in the first weeks of life...
January 2018: Journal of Pediatrics
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