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Brain AND childhood and adolescence development

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https://www.readbyqxmd.com/read/28192175/increased-anxiety-like-phenotype-in-female-guinea-pigs-following-reduced-neurosteroid-exposure-in-utero
#1
Angela L Cumberland, Hannah K Palliser, Gabrielle K Crombie, David W Walker, Jonathan J Hirst
Neurosteroids are essential for aiding proper fetal neurodevelopment. Pregnancy compromises such as preterm birth, prenatal stress and intrauterine growth restriction are associated with an increased risk of developing behavioural and mood disorders, particularly during adolescence. These pathologies involve the premature loss or alteration of trophic steroid hormones reaching the fetus leading to impaired neurodevelopment. While the specific programming mechanisms are yet to be fully elucidated, in adult life, dysfunctions of allopregnanolone action are prevalent in individuals with depression, post-traumatic stress disorder and anxiety disorders...
February 9, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28176655/epigenetics-in-clinical-management-of-children-and-adolescents-with-brain-tumors
#2
Andres Morales La Madrid, Mark W Kieran
Central nervous system (CNS) tumors represent the second most prevalent group of cancers in children and adolescents, yet account for the majority of childhood cancer-related deaths and considerable morbidity among survivors, due to high-intensity non-selective standard therapies delivered to immature nervous system structures undergoing development. These tumors arise at different ages -not infrequently very early in life-, in different locations and cellular contexts, have varied cell types of origin, and have heterogeneous responses to the "classic" current therapeutic approaches...
February 3, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28159210/neurodevelopmental-outcomes-of-preterm-infants-fed-human-milk-a-systematic-review
#3
REVIEW
Beatrice E Lechner, Betty R Vohr
The neurodevelopmental benefits of breast milk feedings for preterm infants have been controversial. However, the effect on preterm infant neurodevelopment is sustained into childhood. The effects of breast milk feeding during the neonatal period and the duration of breastfeeding display effects on cognition into adolescence. The volume of breast milk received is a key factor in these effects. Additionally, emerging studies support the effects of human milk on structural brain development, such as increased white matter development and increased cortical thickness...
March 2017: Clinics in Perinatology
https://www.readbyqxmd.com/read/28150698/gilles-de-la-tourette-syndrome
#4
REVIEW
Mary M Robertson, Valsamma Eapen, Harvey S Singer, Davide Martino, Jeremiah M Scharf, Peristera Paschou, Veit Roessner, Douglas W Woods, Marwan Hariz, Carol A Mathews, Rudi Črnčec, James F Leckman
Gilles de la Tourette syndrome (GTS) is a childhood-onset neurodevelopmental disorder that is characterized by several motor and phonic tics. Tics usually develop before 10 years of age, exhibit a waxing and waning course and typically improve with increasing age. A prevalence of approximately 1% is estimated in children and adolescents. The condition can result in considerable social stigma and poor quality of life, especially when tics are severe (for example, with coprolalia (swearing tics) and self-injurious behaviours) or when GTS is accompanied by attention-deficit/hyperactivity disorder, obsessive-compulsive disorder or another neuropsychiatric disorder...
February 2, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28101530/integrative-analysis-of-disease-signatures-shows-inflammation-disrupts-juvenile-experience-dependent-cortical-plasticity
#5
Milo R Smith, Poromendro Burman, Masato Sadahiro, Brian A Kidd, Joel T Dudley, Hirofumi Morishita
Throughout childhood and adolescence, periods of heightened neuroplasticity are critical for the development of healthy brain function and behavior. Given the high prevalence of neurodevelopmental disorders, such as autism, identifying disruptors of developmental plasticity represents an essential step for developing strategies for prevention and intervention. Applying a novel computational approach that systematically assessed connections between 436 transcriptional signatures of disease and multiple signatures of neuroplasticity, we identified inflammation as a common pathological process central to a diverse set of diseases predicted to dysregulate plasticity signatures...
November 2016: ENeuro
https://www.readbyqxmd.com/read/28087489/neurite-density-index-is-sensitive-to-age-related-differences-in-the-developing-brain
#6
Sila Genc, Charles B Malpas, Scott K Holland, Richard Beare, Timothy J Silk
PURPOSE: White matter development during childhood and adolescence is characterised by increasing white matter coherence and organisation. Commonly used scalar metrics, such as fractional anisotropy (FA), are sensitive to multiple mechanisms of white matter change and therefore unable to distinguish between mechanisms that change during development. We investigate the relationship between age and neurite density index (NDI) from neurite orientation dispersion and density imaging (NODDI), and the age-classification accuracy of NDI compared with FA, in a developmental cohort...
January 11, 2017: NeuroImage
https://www.readbyqxmd.com/read/28080301/assessing-social-cognition-age-related-changes-in-moral-reasoning-in-childhood-and-adolescence
#7
V Chiasson, E Vera-Estay, G Lalonde, J J Dooley, M H Beauchamp
OBJECTIVE: There is increasing recognition that socio-cognitive skills, such as moral reasoning (MR), are affected in a wide range of developmental and neuropsychological conditions. However, the lack of appropriate measures available to neuropsychologists poses a challenge for the direct assessment of these skills. This study sought to explore age-related changes in MR using an innovative visual tool and examine the developmental sensitivity of the task. METHOD: To address some of the methodological limitations of traditional measures of MR, a novel, visual task, the Socio-Moral Reasoning Aptitude Level (So-Moral), was used to evaluate MR in 216 healthy participants aged 6-20 years...
January 12, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28069028/robot-aided-developmental-assessment-of-wrist-proprioception-in-children
#8
Francesca Marini, Valentina Squeri, Pietro Morasso, Claudio Campus, Jürgen Konczak, Lorenzo Masia
BACKGROUND: Several neurodevelopmental disorders and brain injuries in children have been associated with proprioceptive dysfunction that will negatively affect their movement. Unfortunately, there is lack of reliable and objective clinical examination protocols and our current knowledge of how proprioception evolves in typically developing children is still sparse. METHODS: Using a robotic exoskeleton, we investigated proprioceptive acuity of the wrist in a group of 49 typically developing healthy children (8-15 years), and a group of 40 young adults...
January 9, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28059903/tobacco-e-cigarettes-and-child-health
#9
Lisa A Peterson, Stephen S Hecht
PURPOSE OF THE REVIEW: The availability of the Children's Health Exposure Assessment Resource funded by the National Institute of Environmental Health Sciences provides new opportunities for exploring the role of tobacco smoke exposure in causing harm to children. RECENT FINDINGS: Children of smokers are exposed to nicotine and other harmful tobacco smoke chemicals in utero as well as in their environment. This passive exposure to tobacco smoke has a variety of negative effects on children...
January 5, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28007528/puberty-and-structural-brain-development-in-humans
#10
REVIEW
Megan M Herting, Elizabeth R Sowell
Adolescence is a transitional period of physical and behavioral development between childhood and adulthood. Puberty is a distinct period of sexual maturation that occurs during adolescence. Since the advent of magnetic resonance imaging (MRI), human studies have largely examined neurodevelopment in the context of age. A breadth of animal findings suggest that sex hormones continue to influence the brain beyond the prenatal period, with both organizational and activational effects occurring during puberty. Given the animal evidence, human MRI research has also set out to determine how puberty may influence otherwise known patterns of age-related neurodevelopment...
January 2017: Frontiers in Neuroendocrinology
https://www.readbyqxmd.com/read/27978600/social-educational-and-vocational-outcomes-in-patients-with-childhood-onset-and-young-adult-onset-growth-hormone-deficiency
#11
M Tanya Mitra, Peter Jönsson, Ann-Charlotte Åkerblad, Peter Clayton, Maria Kołtowska-Häggström, Márta Korbonits, Andy Toogood, Helena Gleeson
OBJECTIVE: Hypopituitarism diagnosed in childhood, adolescence and young adulthood has the potential to affect growth and somatic development. Less is known about the impact of such a diagnosis on other aspects of development. DESIGN: An analysis of the KIMS Database (Pfizer International Metabolic Database) was performed to explore social, educational and vocational outcomes of adult patients diagnosed in childhood, adolescence and young adulthood compared with adult-onset controls...
December 15, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27976816/boys-early-risk-factors-for-alcohol-problems-and-the-development-of-the-self-an-interconnected-matrix
#12
Leon I Puttler, Hiram E Fitzgerald, Mary M Heitzeg, Robert A Zucker
Alcohol-use disorders are a major public health issue worldwide. Although drinking and problematic alcohol use usually begins during adolescence, developmental origins of the disorder can be traced back to infancy and early childhood. Identification of early risk factors is essential to understanding developmental origins. Using data from the Michigan Longitudinal Study, an ongoing, prospective, high-risk family study, this article summarizes findings of family context and functioning of both children and parents...
January 2017: Infant Mental Health Journal
https://www.readbyqxmd.com/read/27936454/white-matter-volumes-in-youth-offspring-of-bipolar-parents
#13
Fabiano G Nery, Matthew Norris, James C Eliassen, Wade A Weber, Thomas J Blom, Jeffrey A Welge, Drew A Barzman, Jeffrey R Strawn, Caleb M Adler, Stephen M Strakowski, Melissa P DelBello
BACKGROUND: Studying youth at high risk of developing bipolar disorder may clarify neurobiological factors associated with vulnerability to this illness. We present here a baseline characterization of brain structure in youth at-risk for bipolar disorder. METHODS: Magnetic resonance images were obtained from 115 child and adolescent offspring of bipolar disorder type I subjects and 57 healthy child and adolescent offspring of healthy parents (healthy control offspring)...
February 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27915378/mother-infant-interactions-and-regional-brain-volumes-in-infancy-an-mri-study
#14
Vaheshta Sethna, Inês Pote, Siying Wang, Maria Gudbrandsen, Anna Blasi, Caroline McCusker, Eileen Daly, Emily Perry, Kerrie P H Adams, Maria Kuklisova-Murgasova, Paula Busuulwa, Sarah Lloyd-Fox, Lynne Murray, Mark H Johnson, Steven C R Williams, Declan G M Murphy, Michael C Craig, Grainne M McAlonan
It is generally agreed that the human brain is responsive to environmental influences, and that the male brain may be particularly sensitive to early adversity. However, this is largely based on retrospective studies of older children and adolescents exposed to extreme environments in childhood. Less is understood about how normative variations in parent-child interactions are associated with the development of the infant brain in typical settings. To address this, we used magnetic resonance imaging to investigate the relationship between observational measures of mother-infant interactions and regional brain volumes in a community sample of 3- to 6-month-old infants (N = 39)...
December 3, 2016: Brain Structure & Function
https://www.readbyqxmd.com/read/27872489/experience-driven-differences-in-childhood-cortisol-predict-affect-relevant-brain-function-and-coping-in-adolescent-monozygotic-twins
#15
Cory A Burghy, Michelle E Fox, M Daniela Cornejo, Diane E Stodola, Sasha L Sommerfeldt, Cecilia A Westbrook, Carol Van Hulle, Nicole L Schmidt, H Hill Goldsmith, Richard J Davidson, Rasmus M Birn
Stress and emotion involve diverse developmental and individual differences. Partially attributed to the development of the prefrontal cortex (PFC), the amygdala, and hypothalamic-pituitary-adrenal axis, the precise genetic and experiential contributions remain unknown. In previous work, childhood basal cortisol function predicted adolescent resting-state functional connectivity (rs-FC) and psychopathology. To parse experience-driven (non-genetic) contributions, we investigated these relations with a monozygotic (MZ) twin design...
November 22, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27847299/an-mrspec-database-query-and-visualization-engine-with-applications-as-a-clinical-diagnostic-and-research-tool
#16
Filip Miscevic, Justin Foong, Benjamin Schmitt, Susan Blaser, Michael Brudno, Andreas Schulze
PURPOSE: Proton magnetic resonance spectroscopy (MRspec), one of the very few techniques for in vivo assessment of neuro-metabolic profiles, is often complicated by lack of standard population norms and paucity of computational tools. METHODS: 7035 scans and clinical information from 4430 pediatric patients were collected from 2008 to 2014. Scans were conducted using a 1.5T (n=3664) or 3T scanner (n=3371), and with either a long (144ms, n=5559) or short echo time (35ms, n=1476)...
December 2016: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/27843501/visual-memory-profile-in-22q11-2-microdeletion-syndrome-are-there-differences-in-performance-and-neurobiological-substrates-between-tasks-linked-to-ventral-and-dorsal-visual-brain-structures-a-cross-sectional-and-longitudinal-study
#17
Mathilde Bostelmann, Maude Schneider, Maria Carmela Padula, Johanna Maeder, Marie Schaer, Elisa Scariati, Martin Debbané, Bronwyn Glaser, Sarah Menghetti, Stephan Eliez
BACKGROUND: Children affected by the 22q11.2 deletion syndrome (22q11.2DS) have a specific neuropsychological profile with strengths and weaknesses in several cognitive domains. Specifically, previous evidence has shown that patients with 22q11.2DS have more difficulties memorizing faces and visual-object characteristics of stimuli. In contrast, they have better performance in visuo-spatial memory tasks. The first focus of this study was to replicate these results in a larger sample of patients affected with 22q11...
2016: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/27819440/self-reported-parenting-style-is-associated-with-children-s-inflammation-and-immune-activation
#18
Michelle L Byrne, Paul B Badcock, Julian G Simmons, Sarah Whittle, Adam Pettitt, Craig A Olsson, Lisa K Mundy, George C Patton, Nicholas B Allen
Family environments and parenting have been associated with inflammation and immune activation in children and adolescents; however, it remains unclear which specific aspects of parenting drive this association. In this study, we cross-sectionally examined the association between 5 discrete parenting styles and inflammation and immune activation in late childhood. Data were drawn from 102 families (55 with female children, mean age 9.50 years, SD = 0.34) participating in the Imaging Brain Development in the Childhood to Adolescence Transition Study...
November 7, 2016: Journal of Family Psychology: JFP
https://www.readbyqxmd.com/read/27778230/an-iron-deficient-diet-during-development-induces-oxidative-stress-in-relation-to-age-and-gender-in-wistar-rats
#19
Patricia Vieyra-Reyes, Diana Millán-Aldaco, Marcela Palomero-Rivero, Clementina Jiménez-Garcés, Margarita Hernández-González, Javier Caballero-Villarraso
Iron is a trace element and a structural part of antioxidant enzymes, and its requirements vary according to age and gender. We hypothesized that iron deficiency (ID) leads to an increase in free radicals which mainly affect the brain, and the severity of damage would therefore be dependent on age and gender. Two groups of Wistar rats were evaluated evolutionarily: 100 rats (50 males; 50 females) with ID diet and 100 rats (50 males; 50 females) with standard diet. Both groups were offspring from mothers who were previously under the same dietary intervention...
October 24, 2016: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/27766459/absolute-power-spectral-density-changes-in-the-magnetoencephalographic-activity-during-the-transition-from-childhood-to-adulthood
#20
Carlos M Gómez, Elena I Rodríguez-Martínez, Alberto Fernández, Fernando Maestú, Jesús Poza, Carlos Gómez
The aim of this study was to define the pattern of reduction in absolute power spectral density (PSD) of magnetoencephalography (MEG) signals throughout development. Specifically, we wanted to explore whether the human skull's high permeability for electromagnetic fields would allow us to question whether the pattern of absolute PSD reduction observed in the human electroencephalogram is due to an increase in the skull's resistive properties with age. Furthermore, the topography of the MEG signals during maturation was explored, providing additional insights about the areas and brain rhythms related to late maturation in the human brain...
January 2017: Brain Topography
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