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Adolescent brain

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https://www.readbyqxmd.com/read/27919738/long-term-ethanol-self-administration-induces-%C3%AE-fosb-in-male-and-female-adolescent-but-not-in-adult-wistar-rats
#1
Aranza Wille-Bille, Soledad de Olmos, Leonardo Marengo, Florencia Chiner, Ricardo Marcos Pautassi
Early-onset ethanol consumption predicts later development of alcohol use disorders. Age-related differences in reactivity to ethanol's effects may underlie this effect. Adolescent rats are more sensitive and less sensitive than adults to the appetitive and aversive behavioral effects of ethanol, respectively, and more sensitive to the neurotoxic effects of experimenter-administered binge doses of ethanol. However, less is known about age-related differences in the neural consequences of self-administered ethanol...
December 2, 2016: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/27919016/age-at-menarche-and-risk-of-developing-migraine-or-non-migraine-headaches-by-young-adulthood-a-prospective-cohort-study
#2
Nasim Maleki, Tobias Kurth, Alison E Field
IMPORTANCE: Migraine is a highly prevalent and disabling primary headache disorder that is two to three times more prevalent in young women. Among females, there is a steep increase in incidence from puberty to young adulthood, but the mechanisms for the increase are unknown. OBJECTIVE: To determine if age of menarche is a risk factor for developing migraine headache vs. non-migraine headache by young adulthood. DESIGN: A prospective cohort study, The Growing Up Today Study (GUTS), of adolescents who have been followed since 1996, when they were nine, to 14 years of age...
November 8, 2016: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/27918630/changes-in-gait-patterns-induced-by-rhythmic-auditory-stimulation-for-adolescents-with-acquired-brain-injury
#3
Soo Ji Kim, Yoon-Kyum Shin, Ga Eul Yoo, Hyun Ju Chong, Sung-Rae Cho
The effects of rhythmic auditory stimulation (RAS) on gait in adolescents with acquired brain injury (ABI) were investigated. A total of 14 adolescents with ABI were initially recruited, and 12 were included in the final analysis (n = 6 each). They were randomly assigned to the experimental (RAS) or the control (conventional gait training) groups. The experimental group received gait training with RAS three times a week for 4 weeks. For both groups, spatiotemporal parameters and kinematic data, such as dynamic motions of joints on three-dimensional planes during a gait cycle and the range of motion in each joint, were collected...
December 2016: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/27918206/children-and-adolescents-show-altered-visual-working-memory-related-brain-activity-more-than-one-decade-after-arterial-switch-operation-for-d-transposition-of-the-great-arteries
#4
Peter Klaver, Walter Knirsch, Karoline Wurmitzer, David Yoh von Allmen
This pilot study investigated neural correlates of visual working memory using functional magnetic resonance imaging (fMRI) in seven patients more than one decade after neonatal arterial switch operation for surgical correction of d-transposition of the great arteries (d-TGA, aged 10-18 years, 1 female). Compared with age and sex matched healthy controls patients showed similar visual working memory performance and a smaller increase in brain activity in the posterior parietal cortex with higher visual working memory load...
May 2016: Developmental Neuropsychology
https://www.readbyqxmd.com/read/27917815/sleep-quality-differs-between-athletes-and-non-athletes
#5
Havva Demirel
PURPOSE: Sufficient sleep or sleep of sufficient quality is essential for the health of children, adolescents and adults, as sleep influences almost all dimensions of life. The purpose of this study was to investigate the possible positive effects of sportsmanship on sleep quality and to assess the possible differences in sleep quality between athletes and non-athletes. METHODS: Sedentary or non-athletes subjects (n=103) and athletes (n=93) participated in this study...
December 1, 2016: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/27917536/the-potential-of-neuroimaging-for-identifying-predictors-of-adolescent-alcohol-use-initiation-and-misuse
#6
Laura O'Halloran, Charlotte Nymberg, Lee Jollans, Hugh Garavan, Robert Whelan
BACKGROUND AND AIMS: Dysfunction in brain regions underlying impulse control, reward processing and executive function have been associated previously with adolescent alcohol misuse. However, identifying pre-existing neurobiological risk factors, as distinct from changes arising from early alcohol-use, is difficult. Here, we outline how neuroimaging data can identify the neural predictors of adolescent alcohol-use initiation and misuse by using prospective longitudinal studies to follow initially alcohol-naive individuals over time and by neuroimaging adolescents with inherited risk factors for alcohol misuse...
December 5, 2016: Addiction
https://www.readbyqxmd.com/read/27917115/switching-adolescent-high-fat-diet-to-adult-control-diet-restores-neurocognitive-alterations
#7
Chloé Boitard, Shauna L Parkes, Amandine Cavaroc, Frédéric Tantot, Nathalie Castanon, Sophie Layé, Sophie Tronel, Gustavo Pacheco-Lopez, Etienne Coutureau, Guillaume Ferreira
In addition to metabolic and cardiovascular disorders, obesity is associated with adverse cognitive and emotional outcomes. Its growing prevalence in adolescents is particularly alarming since this is a period of ongoing maturation for brain structures (including the hippocampus and amygdala) and for the hypothalamic-pituitary-adrenal (HPA) stress axis, which is required for cognitive and emotional processing. We recently demonstrated that adolescent, but not adult, high-fat diet (HF) exposure leads to impaired hippocampal function and enhanced amygdala function through HPA axis alteration (Boitard et al...
2016: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/27917110/adolescent-mice-are-resilient-to-alcohol-withdrawal-induced-anxiety-and-changes-in-indices-of-glutamate-function-within-the-nucleus-accumbens
#8
Kaziya M Lee, Michal A Coelho, Hadley A McGregor, Noah R Solton, Matan Cohen, Karen K Szumlinski
Binge-drinking is the most prevalent form of alcohol abuse and while an early life history of binge-drinking is a significant risk factor for subsequent alcoholism and co-morbid affective disorders, relatively little is known regarding the biobehavioral impact of binge-drinking during the sensitive neurodevelopmental period of adolescence. In adult mice, a month-long history of binge-drinking elicits a hyper-glutamatergic state within the nucleus accumbens (Acb), coinciding with hyper-anxiety. Herein, we employed a murine model of binge-drinking to determine whether or not: (1) withdrawal-induced changes in brain and behavior differ between adult and adolescent bingers; and (2) increased behavioral signs of negative affect and changes in Acb expression of glutamate-related proteins would be apparent in adult mice with less chronic binge-drinking experience (14 days, approximating the duration of mouse adolescence)...
2016: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/27915378/mother-infant-interactions-and-regional-brain-volumes-in-infancy-an-mri-study
#9
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/27914152/pediatric-multiple-sclerosis-in-portugal-a-multicentre-study
#10
Ana Sofia Correia, Luís Augusto, Joana Meireles, Joana Pinto, Ana Paula Sousa
INTRODUCTION: Multiple sclerosis is most often diagnosed among young adults but less frequently it may present during childhood or adolescence. In Portugal, there has been only one previous single-center, pediatric multiple sclerosis study. The main objective was the evaluation of the demographic, clinical, laboratorial and neuroradiological characteristics of patients with pediatric-onset multiple sclerosis in Portugal. The secondary objectives were to compare the characteristics of childhood-onset multiple sclerosis and adolescent-onset multiple sclerosis and to characterize the treatments prescribed...
August 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/27912160/successful-group-psychotherapy-of-depression-in-adolescents-alters-fronto-limbic-resting-state-connectivity
#11
J Straub, C D Metzger, P L Plener, M G Koelch, G Groen, B Abler
BACKGROUND: Current resting state imaging findings support suggestions that the neural signature of depression and therefore also its therapy should be conceptualized as a network disorder rather than a dysfunction of specific brain regions. In this study, we compared neural connectivity of adolescent patients with depression (PAT) and matched healthy controls (HC) and analysed pre-to-post changes of seed-based network connectivities in PAT after participation in a cognitive behavioral group psychotherapy (CBT)...
November 20, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27910267/the-impact-of-patient-characteristics-on-nurse-practitioners-assessment-and-management-of-adolescent-concussion
#12
Janessa M Graves, Tracy A Klein
BACKGROUND AND PURPOSE: To evaluate the effect of patient sex and type of activity on concussion assessment and management recommendations. METHODS: We administered a web-based survey to all nurse practitioners (NPs) actively licensed in Washington and Oregon. Participants were randomized to view one of four standardized patient scenario videos of an adolescent seeking care for a concussion, portraying the same symptomology but differing by sex and activity (soccer/hiking)...
December 2, 2016: Journal of the American Association of Nurse Practitioners
https://www.readbyqxmd.com/read/27908562/ontogeny-of-sensorimotor-gating-and-short-term-memory-processing-throughout-the-adolescent-period-in-rats
#13
Anja A Goepfrich, Chris M Friemel, Sabina Pauen, Miriam Schneider
Adolescence and puberty are highly susceptible developmental periods during which the neuronal organization and maturation of the brain is completed. The endocannabinoid (eCB) system, which is well known to modulate cognitive processing, undergoes profound and transient developmental changes during adolescence. With the present study we were aiming to examine the ontogeny of cognitive skills throughout adolescence in male rats and clarify the potential modulatory role of CB1 receptor signalling. Cognitive skills were assessed repeatedly every 10th day in rats throughout adolescence...
November 19, 2016: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/27906499/individual-differences-in-human-brain-development
#14
REVIEW
Timothy T Brown
This article discusses recent scientific advances in the study of individual differences in human brain development. Focusing on structural neuroimaging measures of brain morphology and tissue properties, two kinds of variability are related and explored: differences across individuals of the same age and differences across age as a result of development. A recent multidimensional modeling study is explained, which was able to use brain measures to predict an individual's chronological age within about one year on average, in children, adolescents, and young adults between 3 and 20 years old...
December 1, 2016: Wiley Interdisciplinary Reviews. Cognitive Science
https://www.readbyqxmd.com/read/27904468/corrigendum-associations-between-family-adversity-and-brain-volume-in-adolescence-manual-vs-automated-brain-segmentation-yields-different-results
#15
Hannah Lyden, Sarah I Gimbel, Larissa Del Piero, A Bryna Tsai, Matthew Sachs, Jonas T Kaplan, Gayla Margolin, Darby Saxbe
[This corrects the article on p. 398 in vol. 10, PMID: 27656121.].
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27903342/-fractional-amplitude-of-low-frequency-fluctuations-in-childhood-and-adolescence-onset-schizophrenia-a-resting-state-fmri-study
#16
D Lü, R R Shao, Y H Liang, Y H Xia, S Q Guo
Objective: To explore the whole brain activity features of childhood and adolescence-onset schizophrenia using resting state fMRI. Methods: A total of 63 childhood and adolescence-onset schizophrenia patients (patients group), admitted to the second affiliated hospital of Xinxiang Medical University from October 2013 to October 2015 and fulfilled our inclusion criteria, and 39 healthy controls with age, sex and education matched (control group) were enrolled, then a resting-state fMRI scan was conducted for each participant...
November 22, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27899870/cognition-and-type-1-diabetes-in-children-and-adolescents
#17
Allison Cato, Tamara Hershey
IN BRIEF In children and adolescents with type 1 diabetes, exposure to glycemic extremes (severe hypoglycemia, chronic hyperglycemia, and diabetic ketoacidosis) overlaps with the time period of most active brain and cognitive development, leading to concerns that these children are at risk for cognitive side effects. This article summarizes the existing literature examining the impact of glycemic extremes on cognitive function and brain structure in youth with type 1 diabetes and points out areas for future research...
November 2016: Diabetes Spectrum: a Publication of the American Diabetes Association
https://www.readbyqxmd.com/read/27898701/assessing-white-matter-microstructure-in-brain-regions-with-different-myelin-architecture-using-mri
#18
Samuel Groeschel, Gisela E Hagberg, Thomas Schultz, Dávid Z Balla, Uwe Klose, Till-Karsten Hauser, Thomas Nägele, Oliver Bieri, Thomas Prasloski, Alex L MacKay, Ingeborg Krägeloh-Mann, Klaus Scheffler
OBJECTIVE: We investigate how known differences in myelin architecture between regions along the cortico-spinal tract and frontal white matter (WM) in 19 healthy adolescents are reflected in several quantitative MRI parameters that have been proposed to non-invasively probe WM microstructure. In a clinically feasible scan time, both conventional imaging sequences as well as microstructural MRI parameters were assessed in order to quantitatively characterise WM regions that are known to differ in the thickness of their myelin sheaths, and in the presence of crossing or parallel fibre organisation...
2016: PloS One
https://www.readbyqxmd.com/read/27893236/training-in-the-adolescent-brain-an-fmri-training-study-on-divergent-thinking
#19
Sietske W Kleibeuker, Claire E Stevenson, Laura van der Aar, Sandy Overgaauw, Anna C van Duijvenvoorde, Eveline A Crone
Prior research suggests that adolescence is a time of enhanced sensitivity for practice and learning. In this study we tested the neural correlates of divergent thinking training in 15- to 16-year-old adolescents relative to an age-matched active control group. All participants performed an alternative uses task, a valid measure to test divergent thinking, while functional magnetic resonance imaging (fMRI) images were acquired before and after a training program. In between the 2 scanning sessions the experimental group completed 2 weeks of divergent thinking training (8 sessions) and the control group completed 2 weeks of rule switching training (8 session)...
November 28, 2016: Developmental Psychology
https://www.readbyqxmd.com/read/27893013/proton-chemical-shift-imaging-of-the-brain-in-pediatric-and-adult-developmental-stuttering
#20
Joseph O'Neill, Zhengchao Dong, Ravi Bansal, Iliyan Ivanov, Xuejun Hao, Jay Desai, Elena Pozzi, Bradley S Peterson
Importance: Developmental stuttering is a neuropsychiatric condition of incompletely understood brain origin. Our recent functional magnetic resonance imaging study indicates a possible partial basis of stuttering in circuits enacting self-regulation of motor activity, attention, and emotion. Objective: To further characterize the neurophysiology of stuttering through in vivo assay of neurometabolites in suspect brain regions. Design, Setting, and Participants: Proton chemical shift imaging of the brain was performed in a case-control study of children and adults with and without stuttering...
November 23, 2016: JAMA Psychiatry
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