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Brain AND childhood and adolescence development

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https://www.readbyqxmd.com/read/28642080/impact-of-juvenile-chronic-stress-on-adult-cortico-accumbal-function-implications-for-cognition-and-addiction
#1
REVIEW
Michael J Watt, Matthew A Weber, Shaydel R Davies, Gina L Forster
Repeated exposure to stress during childhood is associated with increased risk for neuropsychiatric illness, substance use disorders and other behavioral problems in adulthood. However, it is not clear how chronic childhood stress can lead to emergence of such a wide range of symptoms and disorders in later life. One possible explanation lies in stress-induced disruption to the development of specific brain regions associated with executive function and reward processing, deficits in which are common to the disorders promoted by childhood stress...
June 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28602046/exercise-interventions-for-cerebral-palsy
#2
REVIEW
Jennifer M Ryan, Elizabeth E Cassidy, Stephen G Noorduyn, Neil E O'Connell
BACKGROUND: Cerebral palsy (CP) is a neurodevelopmental disorder resulting from an injury to the developing brain. It is the most common form of childhood disability with prevalence rates of between 1.5 and 3.8 per 1000 births reported worldwide. The primary impairments associated with CP include reduced muscle strength and reduced cardiorespiratory fitness, resulting in difficulties performing activities such as dressing, walking and negotiating stairs.Exercise is defined as a planned, structured and repetitive activity that aims to improve fitness, and it is a commonly used intervention for people with CP...
June 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28582399/effect-of-verbal-task-complexity-in-a-working-memory-paradigm-in-patients-with-type-1-diabetes-a-fmri-study
#3
Joan Guàrdia-Olmos, Geisa B Gallardo-Moreno, Esteve Gudayol-Ferré, Maribel Peró-Cebollero, Andrés A González-Garrido
Type 1 diabetes (T1D) is commonly diagnosed in childhood and adolescence, and the developing brain has to cope with its deleterious effects. Although brain adaptation to the disease may not result in evident cognitive dysfunction, the effects of T1D on neurodevelopment could alter the pattern of BOLD fMRI activation. The aim of this study was to explore the neural BOLD activation pattern in patients with T1D versus that of healthy matched controls while performing two visuospatial working memory tasks, which included a pair of assignments administered through a block design...
2017: PloS One
https://www.readbyqxmd.com/read/28578432/effects-of-childhood-and-adolescence-physical-activity-patterns-on-psychosis-risk-a-general-population-cohort-study
#4
Elina Sormunen, Maiju M Saarinen, Raimo K R Salokangas, Risto Telama, Nina Hutri-Kähönen, Tuija Tammelin, Jorma Viikari, Olli Raitakari, Jarmo Hietala
Schizophrenia spectrum disorders are associated with high morbidity and mortality in somatic diseases. The risk factors of this excess mortality include, e.g., obesity, dietary factors, and physical inactivity, especially after the onset of psychosis, but there are limited early developmental data on these factors in individuals who later develop psychosis. A population-based cohort study "Cardiovascular Risk of Young Finns" started in 1980 with 3596 children and adolescents from six different age groups (3, 6, 9, 12, 15, and 18 years)...
January 13, 2017: NPJ Schizophrenia
https://www.readbyqxmd.com/read/28576548/defining-the-impact-of-childhood-adversities-on-cognitive-deficits-in-psychosis-an-exploratory-analysis
#5
Inga Schalinski, Martin H Teicher, Almut M Carolus, Brigitte Rockstroh
BACKGROUND: Exposure to adverse childhood experiences (ACE) and cognitive deficits are both prevalent in psychosis. While it has been repeatedly demonstrated that ACE contribute to cognitive dysfunctions, the specific nature of this contribution remains elusive. Recent evidence suggests that types of adversities during critical periods have deleterious effects on brain structures that are important for cognitive functioning. The present study sought to clarify which types of adversities experienced at which time during development aggravate cognitive deficits in psychosis...
May 30, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28562250/neurodevelopment-the-impact-of-nutrition-and-inflammation-during-adolescence-in-low-resource-settings
#6
Janina R Galler, John R Koethe, Robert H Yolken
Approximately 1 out of 5 children worldwide suffers from childhood malnutrition or stunting and associated health conditions, including an increased susceptibility to infections and inflammation. Due to improved early interventions, most children even in low-resource settings now survive early childhood malnutrition, yet exhibit continuing evidence of neurodevelopmental deficits, including poor school achievement and behavioral problems. These conditions are compounded in children who continue to be undernourished throughout the adolescent years...
April 2017: Pediatrics
https://www.readbyqxmd.com/read/28559209/short-post-weaning-social-isolation-induces-long-term-changes-in-the-dopaminergic-system-and-increases-susceptibility-to-psychostimulants-in-female-rats
#7
Carine Lampert, Danusa Mar Arcego, Natividade de Sá Couto-Pereira, Aline Dos Santos Vieira, Ana Paula Toniazzo, Rachel Krolow, Emily Garcia, Deusa Aparecida Vendite, Maria Elisa Calcagnotto, Carla Dalmaz
Childhood and adolescence are sensitive periods of development, marked by high brain maturation and plasticity. Exposure to early life stress, such as social isolation, is able to prompt changes in sensitive brain circuitries, essentially in the mesolimbic dopaminergic system and increase the risk for addictive behaviors later in life. Post-weaning social isolation can stimulate the consumption of rewarding substances, like drugs of abuse and palatable foods. However, most studies analyze long periods of social isolation and very little is known about the effects of a brief social isolation in a sensitive period of development and its association with palatable food on the reward system sensitization...
May 27, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28552358/modular-segregation-of-structural-brain-networks-supports-the-development-of-executive-function-in-youth
#8
Graham L Baum, Rastko Ciric, David R Roalf, Richard F Betzel, Tyler M Moore, Russell T Shinohara, Ari E Kahn, Simon N Vandekar, Petra E Rupert, Megan Quarmley, Philip A Cook, Mark A Elliott, Kosha Ruparel, Raquel E Gur, Ruben C Gur, Danielle S Bassett, Theodore D Satterthwaite
The human brain is organized into large-scale functional modules that have been shown to evolve in childhood and adolescence. However, it remains unknown whether the underlying white matter architecture is similarly refined during development, potentially allowing for improvements in executive function. In a sample of 882 participants (ages 8-22) who underwent diffusion imaging as part of the Philadelphia Neurodevelopmental Cohort, we demonstrate that structural network modules become more segregated with age, with weaker connections between modules and stronger connections within modules...
June 5, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28479531/-structural-brain-development-in-healthy-children-and-adolescents
#9
Izumi Matsudaira, Ryuta Kawashima, Yasuyuki Taki
Brain maturation progresses throughout childhood into adolescence. Investigating the mechanism of brain development during these periods in healthy people is necessary for some clinical purposes. For example, these mechanisms are needed to investigate the mechanism of impaired brain maturation in neurodevelopmental disorders-such as autism spectrum disorders or attention-deficit hyper disorder-and improve early prevention of psychiatric or neurodegenerative diseases like depression or Alzheimer's disease. Voxel-based morphometry (VBM) is an effective way to analyze brain magnetic resonance images (MRI) of children and adolescents, as the brain structures of children and adolescents vary widely depending on their age, sex, and several other factors...
May 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28456583/protracted-development-of-executive-and-mnemonic-brain-systems-underlying-working-memory-in-adolescence-a-longitudinal-fmri-study
#10
Daniel J Simmonds, Michael N Hallquist, Beatriz Luna
Working memory (WM), the ability to hold information on-line to guide planned behavior, improves through adolescence in parallel with continued maturation of critical brain systems supporting cognitive control. Initial developmental neuroimaging studies with one or two timepoints have provided important though varied results limiting our understanding of which and how neural systems change during this transition into mature WM. In this study, we leverage functional magnetic resonance imaging (fMRI) longitudinal data spanning up to 9 years in 129 normally developing individuals to identify which systems demonstrate growth changes that accompany improvements in WM performance...
April 26, 2017: NeuroImage
https://www.readbyqxmd.com/read/28432144/age-related-effects-and-sex-differences-in-gray-matter-density-volume-mass-and-cortical-thickness-from-childhood-to-young-adulthood
#11
Efstathios D Gennatas, Brian B Avants, Daniel H Wolf, Theodore D Satterthwaite, Kosha Ruparel, Rastko Ciric, Hakon Hakonarson, Raquel E Gur, Ruben C Gur
Developmental structural neuroimaging studies in humans have long described decreases in gray matter volume (GMV) and cortical thickness (CT) during adolescence. Gray matter density (GMD), a measure often assumed to be highly related to volume, has not been systematically investigated in development. We used T1 imaging data collected on the Philadelphia Neurodevelopmental Cohort to study age-related effects and sex differences in four regional gray matter measures in 1189 youths ranging in age from 8 to 23 years...
May 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28397252/is-sporadic-alzheimer-s-disease-a-developmental-disorder
#12
Thomas Arendt, Jens Stieler, Uwe Ueberham
Alzheimer's disease (AD) is a neurodegenerative disorder of higher age that specifically occurs in human. Its clinical phase, characterized by a decline in physiological, psychological and social functioning, is preceded by a long clinically silent phase of at least several decades that might perhaps even start very early in life. Overall, key functional abilities decline in AD patients in reverse order of the development of these abilities during childhood and adolescence. Early symptoms of AD, thus, typically affect mental functions that have been acquired only during very recent hominid evolution and as such are specific to human...
April 11, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28334875/white-matter-changes-in-paediatric-multiple-sclerosis-and-monophasic-demyelinating-disorders
#13
Giulia Longoni, Robert A Brown, Parya MomayyezSiahkal, Colm Elliott, Sridar Narayanan, Amit Bar-Or, Ruth Marrie, Ann Yeh, Massimo Filippi, Brenda Banwell, Douglas L Arnold
Most children who experience an acquired demyelinating syndrome of the central nervous system will have a monophasic disease course, with no further clinical or radiological symptoms. A subset will be diagnosed with multiple sclerosis, a life-long disorder. Using linear mixed effects models we examined longitudinal diffusion properties of normal-appearing white matter in 505 serial scans of 132 paediatric participants with acquired demyelinating syndromes followed for a median of 4.4 years, many from first clinical presentation, and 106 scans of 80 healthy paediatric participants...
March 14, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28302576/adolescent-chronic-escalating-morphine-administration-induces-long-lasting-changes-in-tolerance-and-dependence-to-morphine-in-rats
#14
Hamed Salmanzadeh, Hossein Azizi, Saeed Semnanian
Adolescence is a gradual period of transition from childhood to adulthood. It is considered as a sensitive developmental time point that long lasting changes occur in the brain. The present study examined adolescent chronic escalating morphine administration on morphine tolerance and dependence in adulthood. Adolescent male Wistar rats (30days old) were administered increasing doses of morphine (2.5 to 25mg/kg, s.c.) every 12h, for 10days. Control rats received saline according to the same protocol. Thereafter, during adulthood (65-75days old), tolerance to antinociceptive effect of morphine was induced by subcutaneous injection of 3mg/kg morphine, once a day for 7days...
March 14, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28295877/neuroscientific-insights-into-the-development-of-analogical-reasoning
#15
Kirstie J Whitaker, Michael S Vendetti, Carter Wendelken, Silvia A Bunge
Analogical reasoning, or the ability to find correspondences between entities based on shared relationships, supports knowledge acquisition. As such, the development of this ability during childhood is thought to promote learning. Here, we sought to better understand the mechanisms by which analogical reasoning about semantic relations improves over childhood and adolescence (e.g. chalk is to chalkboard as pen is to…?). We hypothesized that age-related differences would manifest as differences in the brain regions associated with one or more of the following cognitive functions: (1) controlled semantic retrieval, or the ability to retrieve task-relevant semantic associations; (2) response control, or the ability to override the tendency to respond to a salient distractor; and/or (3) relational integration, or the ability to consider jointly two mental relations...
March 12, 2017: Developmental Science
https://www.readbyqxmd.com/read/28295339/annual-research-review-childhood-maltreatment-latent-vulnerability-and-the-shift-to-preventative-psychiatry-the-contribution-of-functional-brain-imaging
#16
REVIEW
Eamon J McCrory, Mattia I Gerin, Essi Viding
BACKGROUND: Childhood maltreatment is a potent predictor of poor mental health across the life span. We argue that there is a need to improve the understanding of the mechanisms that confer psychiatric vulnerability following maltreatment, if we are to progress from simply treating those with a manifest disorder, to developing effective preventative approaches that can help offset the likelihood that such disorders will emerge in the first place. METHODS: We review extant functional neuroimaging studies of children and adolescents exposed to early neglect and/or maltreatment, including physical, sexual and emotional abuse across four neurocognitive domains: threat processing, reward processing, emotion regulation and executive control...
April 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28285946/development-of-rostral-inferior-parietal-lobule-area-functional-connectivity-from-late-childhood-to-early-adulthood
#17
Mengxing Wang, Jilei Zhang, Guangheng Dong, Hui Zhang, Haifeng Lu, Xiaoxia Du
Although the mirror neuron system (MNS) has been extensively studied in monkeys and adult humans, very little is known about its development. Previous studies suggest that the MNS is present by infancy and that the brain and MNS-related cognitive abilities (such as language, empathy, and imitation learning) continue to develop after childhood. In humans, the PFt area of the inferior parietal lobule (IPL) seems to particularly correlate with the functional properties of the PF area in primates, which contains mirror neurons...
March 7, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28247416/heavy-prenatal-alcohol-exposure-is-related-to-smaller-corpus-callosum-in-newborn-mri-scans
#18
Sandra W Jacobson, Joseph L Jacobson, Christopher D Molteno, Christopher M R Warton, Pia Wintermark, H Eugene Hoyme, Greetje De Jong, Paul Taylor, Fleur Warton, Nadine M Lindinger, R Colin Carter, Neil C Dodge, Ellen Grant, Simon K Warfield, Lilla Zöllei, André J W van der Kouwe, Ernesta M Meintjes
BACKGROUND: Magnetic resonance imaging (MRI) studies have consistently demonstrated disproportionately smaller corpus callosa in individuals with a history of prenatal alcohol exposure (PAE) but have not previously examined the feasibility of detecting this effect in infants. Tissue segmentation of the newborn brain is challenging because analysis techniques developed for the adult brain are not directly transferable, and segmentation for cerebral morphometry is difficult in neonates, due to the latter's incomplete myelination...
May 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28242797/development-of-the-cerebral-cortex-across-adolescence-a-multisample-study-of-inter-related-longitudinal-changes-in-cortical-volume-surface-area-and-thickness
#19
Christian K Tamnes, Megan M Herting, Anne-Lise Goddings, Rosa Meuwese, Sarah-Jayne Blakemore, Ronald E Dahl, Berna Güroğlu, Armin Raznahan, Elizabeth R Sowell, Eveline A Crone, Kathryn L Mills
Before we can assess and interpret how developmental changes in human brain structure relate to cognition, affect, and motivation, and how these processes are perturbed in clinical or at-risk populations, we must first precisely understand typical brain development and how changes in different structural components relate to each other. We conducted a multisample magnetic resonance imaging study to investigate the development of cortical volume, surface area, and thickness, as well as their inter-relationships, from late childhood to early adulthood (7-29 years) using four separate longitudinal samples including 388 participants and 854 total scans...
March 22, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28240926/the-impact-of-phenylalanine-levels-on-cognitive-outcomes-in-adults-with-phenylketonuria-effects-across-tasks-and-developmental-stages
#20
Cristina Romani, Liana Palermo, Anita MacDonald, Ellie Limback, S Kate Hall, Tarekegn Geberhiwot
OBJECTIVE: Phenylketonuria (PKU) is due to an inability to metabolize the amino acid phenylalanine (Phe), leading to its accumulation in the brain. Phe levels can be controlled following a protein-free diet, but cognitive impairments are still present. A number of questions remain to be answered related to which type of metabolic control is important, the age when it is important, the cognitive functions which are most affected and, the best tests to use to monitor cognitive health. METHOD: We investigated the impact of metabolic control at different ages on cognitive performance in 37 early treated adults with PKU...
March 2017: Neuropsychology
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