Academic literature on the topic 'Corpus callosum Brain Behavior disorders in children'
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Journal articles on the topic "Corpus callosum Brain Behavior disorders in children"
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Riley, Edward P., and Christie L. McGee. "Fetal Alcohol Spectrum Disorders: An Overview with Emphasis on Changes in Brain and Behavior." Experimental Biology and Medicine 230, no. 6 (June 2005): 357–65. http://dx.doi.org/10.1177/15353702-0323006-03.
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Fetal alcohol spectrum disorders constitute a major public health problem. This article presents an overview of important issues that surround these disorders and emphasizes the structural and neurobehavioral consequences associated with prenatal exposure to alcohol. Diagnostic criteria are discussed, and possible moderating factors for the range of outcomes are mentioned. In addition, the prevalence of fetal alcohol spectrum disorders is described, and estimates of the financial impact of these disorders are given. Heavy prenatal alcohol exposure can severely affect the physical and neurobehavioral development of a child. Autopsy and brain imaging studies indicate reductions and abnormalities in overall brain size and shape, specifically in structures such as the cerebellum, basal ganglia, and corpus callosum. A wide range of neuropsychological deficits have been found in children prenatally exposed to alcohol, including deficits in visuospatial functioning, verbal and nonverbal learning, attention, and executive functioning. These children also exhibit a variety of behavioral problems that can further affect their daily functioning. Children exposed to alcohol prenatally, with and without the physical features of fetal alcohol syndrome, display qualitatively similar deficits. Determining the behavioral phenotypes that result from heavy prenatal alcohol exposure is critical, because the identification of these children is crucial for early interventions. In addition, knowing which brain areas are involved might enable the development of better intervention strategies. However, intervention needs to go beyond the affected individual to prevent future cases. As evidenced by the staggering financial impact these disorders have on society, prevention efforts need to be aimed at high-risk groups, and this issue needs to be made a high priority in terms of public health.
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Norris, Courtney L., and Alphonso Smith. "A-27 A Pediatric Case Study of Neurodevelopmental Disorder Associated with Complete Agenesis of the Corpus Callosum." Archives of Clinical Neuropsychology 36, no. 6 (August 30, 2021): 1068. http://dx.doi.org/10.1093/arclin/acab062.45.
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Abstract Objective The corpus callosum is a major white matter pathway of the brain that coordinates the transfer of information between both cerebral hemispheres. Children with complete agenesis of the corpus callosum (ACC) are at increased risk for neurodevelopmental disorders, epilepsy, and genetic abnormalities. Method This case study presents the neuropsychological profile of a 6-year-old girl in the 1st grade who was born with complete ACC and presented with a history of attention problems and behavioral-emotional difficulties. Results Neuropsychological testing revealed mild to severe deficits in attention, executive functioning, and self-regulation in the context of average intellectual functioning and broadly average to above-average academic achievement. Conclusions School recommendations included establishing a 504 plan and weekly counseling sessions with the school social worker in order to provide accommodations to support the child’s attention difficulties in the academic setting. Recommendations for genetic testing and ongoing monitoring by the patient’s neurologist were suggested given the higher rates of genetic abnormalities and seizures in children with ACC as these conditions can adversely impact neurodevelopmental outcomes. Medication management, as well as private behavior therapy with a parent-training component, were recommended for interventions to address the child’s deficits with attention and behavioral regulation. This case study demonstrates the need for prompt neuropsychological evaluation for children with ACC in order to more efficiently facilitate access to targeted assessments and treatments that can lead to improved outcomes.
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HANNAY, H. JULIA. "Functioning of the corpus callosum in children with early hydrocephalus." Journal of the International Neuropsychological Society 6, no. 3 (March 2000): 351–61. http://dx.doi.org/10.1017/s1355617700633106.
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The development and organization of the corpus callosum is described as well as the relationship between the timing of insults and the type of partial agenesis of the corpus callosum are discussed. Neuropathology and callosal damage associated with spina bifida meningomyelocele, aqueductal stenosis, and prematurity–IVH are outlined. Relationships between corpus callosum/whole brain ratios and cognitive functioning as well as interhemispheric transfer in children with these disorders are outlined. Shortcomings of current research and future directions are suggested. (JINS, 2000, 6, 351–361.)
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Iliadou, Vassiliki, Doris-Eva Bamiou, Stergios Kaprinis, Dimitrios Kandylis, Nikolaos Vlaikidis, Kalliopi Apalla, Anestis Psifidis, George Psillas, and George St Kaprinis. "Auditory Processing Disorder And Brain Pathology In A Preterm Child With Learning Disabilities." Journal of the American Academy of Audiology 19, no. 07 (July 2008): 557–63. http://dx.doi.org/10.3766/jaaa.19.7.5.
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Background: Auditory processing disorders involve deficits in the processing of information in the auditory domain that are not due to higher order language, cognitive or other related factors. Purpose: To evaluate the possibility of structural brain abnormalities in preterm children manifesting as auditory processing disorders. Research Design : A case report of a young girl, preterm at birth, with language difficulties, learning problems at school, and additional listening problems. Results: A diagnosis of a central auditory processing disorder was made on the basis of severe deficits in three nonspeech temporal tests (the frequency and duration pattern and the random gap detection tests). Her brain MRI revealed large porencephalic cysts and thinning of the corpus callosum. Conclusions: The observed auditory deficits would be compatible with a pressure effect of the cysts at a brainstem or higher level for the random gap detection test, and with the thinning of the corpus callosum for the pattern tests, the latter requiring interhemispheric transfer of information. The case highlights that preterm children with learning difficulties may suffer from an auditory processing disorder, in the presence of structural brain abnormalities that are due to birth and neonatal complications.
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ROEBUCK-SPENCER, TRESA M., SARAH N. MATTSON, SARAH DEBOARD MARION, WARREN S. BROWN, and EDWARD P. RILEY. "Bimanual coordination in alcohol-exposed children: Role of the corpus callosum." Journal of the International Neuropsychological Society 10, no. 4 (July 2004): 536–48. http://dx.doi.org/10.1017/s1355617704104116.
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The corpus callosum (CC) is one of several brain structures affected in children prenatally exposed to alcohol. This structure plays a major role in coordinating motor activity from opposite sides of the body, and deficits in bimanual coordination have been documented in individuals with agenesis of or damage to the CC, particularly when the task is performed without visual feedback. The Bimanual Coordination Test was used to assess speed and accuracy on a task where both hands must coordinate to guide a cursor through angled pathways providing measures of interhemispheric interaction or the ability of the two hemispheres to coordinate activity via the corpus callosum. Twenty-one children with fetal alcohol spectrum disorders (FASD) and 17 non-exposed control children (CON), matched closely in age, sex, and ethnicity were tested. For trials with visual feedback (WV), children with FASD were slower than CON children but were equally accurate. Although statistically significant group differences were not observed on most trials completed without visual feedback (WOV), accuracy of the FASD group on WOV trials was highly variable. Group differences in accuracy on WOV angles approached significance after accounting for performance on the WV angles, and children with FASD were significantly less accurate on an individual angle believed to be particularly sensitive to interhemispheric interaction. These results indicate that children with FASD are slower than CON children but equally accurate on basic visuomotor tasks. However, as task complexity and reliance on interhemispheric interaction increases, children with FASD demonstrate variable and inaccurate performance. Preliminary analyses suggest that inaccurate performance on the bimanual coordination task, and presumably impaired callosal functioning, may be related to the attention and problem solving impairments commonly reported in children with FASD. (JINS, 2004, 10, 536–548.)
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De Bellis, Michael D., Stephen R. Hooper, Steven D. Chen, James M. Provenzale, Brian D. Boyd, Christopher E. Glessner, James R. MacFall, Martha E. Payne, Robert Rybczynski, and Donald P. Woolley. "Posterior structural brain volumes differ in maltreated youth with and without chronic posttraumatic stress disorder." Development and Psychopathology 27, no. 4pt2 (November 2015): 1555–76. http://dx.doi.org/10.1017/s0954579415000942.
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AbstractMagnetic resonance imaging studies of maltreated children with posttraumatic stress disorder (PTSD) suggest that maltreatment-related PTSD is associated with adverse brain development. Maltreated youth resilient to chronic PTSD were not previously investigated and may elucidate neuromechanisms of the stress diathesis that leads to resilience to chronic PTSD. In this cross-sectional study, anatomical volumetric and corpus callosum diffusion tensor imaging measures were examined using magnetic resonance imaging in maltreated youth with chronic PTSD (N = 38), without PTSD (N = 35), and nonmaltreated participants (n = 59). Groups were sociodemographically similar. Participants underwent assessments for strict inclusion/exclusion criteria and psychopathology. Maltreated youth with PTSD were psychobiologically different from maltreated youth without PTSD and nonmaltreated controls. Maltreated youth with PTSD had smaller posterior cerebral and cerebellar gray matter volumes than did maltreated youth without PTSD and nonmaltreated participants. Cerebral and cerebellar gray matter volumes inversely correlated with PTSD symptoms. Posterior corpus callosum microstructure in pediatric maltreatment-related PTSD differed compared to maltreated youth without PTSD and controls. The group differences remained significant when controlling for psychopathology, numbers of Axis I disorders, and trauma load. Alterations of these posterior brain structures may result from a shared trauma-related mechanism or an inherent vulnerability that mediates the pathway from chronic PTSD to comorbidity.
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Donald, Kirsten Ann, Emma Eastman, Fleur Margaret Howells, Colleen Adnams, Edward Patrick Riley, Roger Paul Woods, Katherine Louise Narr, and Dan Joseph Stein. "Neuroimaging effects of prenatal alcohol exposure on the developing human brain: a magnetic resonance imaging review." Acta Neuropsychiatrica 27, no. 5 (March 17, 2015): 251–69. http://dx.doi.org/10.1017/neu.2015.12.
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ObjectiveThis paper reviews the magnetic resonance imaging (MRI) literature on the effects of prenatal alcohol exposure on the developing human brain.MethodA literature search was conducted through the following databases: PubMed, PsycINFO and Google Scholar. Combinations of the following search terms and keywords were used to identify relevant studies: ‘alcohol’, ‘fetal alcohol spectrum disorders’, ‘fetal alcohol syndrome’, ‘FAS’, ‘FASD’, ‘MRI’, ‘DTI’, ‘MRS’, ‘neuroimaging’, ‘children’ and ‘infants’.ResultsA total of 64 relevant articles were identified across all modalities. Overall, studies reported smaller total brain volume as well as smaller volume of both the white and grey matter in specific cortical regions. The most consistently reported structural MRI findings were alterations in the shape and volume of the corpus callosum, as well as smaller volume in the basal ganglia and hippocampi. The most consistent finding from diffusion tensor imaging studies was lower fractional anisotropy in the corpus callosum. Proton magnetic resonance spectroscopy studies are few to date, but showed altered neurometabolic profiles in the frontal and parietal cortex, thalamus and dentate nuclei. Resting-state functional MRI studies reported reduced functional connectivity between cortical and deep grey matter structures.DiscussionThere is a critical gap in the literature of MRI studies in alcohol-exposed children under 5 years of age across all MRI modalities. The dynamic nature of brain maturation and appreciation of the effects of alcohol exposure on the developing trajectory of the structural and functional network argue for the prioritisation of studies that include a longitudinal approach to understanding this spectrum of effects and potential therapeutic time points.
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Munarriz, Pablo M., Beatriz Pascual, Ana M. Castaño-Leon, Ignacio García-Recuero, Marta Redondo, Ana Martínez de Aragón, and Ana Romance. "Apert syndrome: Cranial procedures and brain malformations in a series of patients." Surgical Neurology International 11 (October 29, 2020): 361. http://dx.doi.org/10.25259/sni_413_2020.
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Background: Apert syndrome is one of the most severe craniofacial disorders. This study aims to describe the craniofacial surgeries and central nervous system malformations of a cohort of children with Apert syndrome treated in the past 20 years and to compare these data with previously published data. Methods: Retrospective analysis of a series of patients with Apert syndrome treated between 1999 and 2019 in our hospital. Information was analyzed regarding craniofacial procedures, hydrocephalus and presence of shunts, Chiari malformation Type 1, and other brain malformations such as corpus callosum and septum pellucidum anomalies. Results: Thirty-seven patients were studied. Ventriculoperitoneal shunt prevalence was 24.3%, and 8.1% of patients required decompressive surgery for Chiari malformation. All of them needed at least one cranial vault remodeling procedure. The median age for this procedure was 8 months. In 69.7% of patients, the first cranial vault intervention was performed in the fronto-orbital region. In 36.4% of patients, a midface advancement had been performed at the time of this review, although this proportion was very dependent on the follow-up period and the age of the patients. The median age for the midface advancement procedure was 5.25 years. Anomalies of the corpus callosum and the septum pellucidum were reported in 43.2% and 59.5% of patients, respectively. Conclusion: Apert syndrome is a type of syndromic craniosynostosis, and patients usually require one or more cranial and facial surgeries. In comparison with other syndromic craniosynostosis types, Apert syndrome less frequently requires a VP shunt or treatment for a Chiari malformation.
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Guerrini, Renzo, and Tiziana Filippi. "Topical Review: Neuronal Migration Disorders, Genetics, and Epileptogenesis." Journal of Child Neurology 19, no. 3 (March 2004): 287–99. http://dx.doi.org/10.1177/08830738040190030401.
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Several malformation syndromes with abnormal cortical development have been recognized. Specific causative gene defects and characteristic electroclinical patterns have been identified for some. X-linked periventricular nodular heterotopia is mainly seen in female patients and is often associated with focal epilepsy. FLN1 mutations have been reported in all familial cases and in about 25% of sporadic patients. A rare recessive form of periventricular nodular heterotopia owing to ARGEF2 gene mutations has also been reported in children with microcephaly, severe delay, and early-onset seizures. Lissencephaly-pachygyria and subcortical band heterotopia represent a malformative spectrum resulting from mutations of either the LIS1 or the DCX ( XLIS) gene. LIS1 mutations cause a more severe malformation posteriorly. Most children have severe developmental delay and infantile spasms, but milder phenotypes are on record, including posterior subcortical band heterotopia owing to mosaic mutations of LIS1. DCX mutations usually cause anteriorly predominant lissencephaly in male patients and subcortical band heterotopia in female patients. Mutations of the coding region of DCX were found in all reported pedigrees and in about 50% of sporadic female patients with subcortical band heterotopia. Mutations of XLIS have also been found in male patients with anterior subcortical band heterotopia and in female patients with normal brain magnetic resonance imaging. The thickness of the band and the severity of pachygyria correlate with the likelihood of developing severe epilepsy. Autosomal recessive lissencephaly with cerebellar hypoplasia, accompanied by severe delay, hypotonia, and seizures, has been associated with mutations of the reelin ( RELN) gene. X-linked lissencephaly with corpus callosum agenesis and ambiguous genitalia in genotypic males is associated with mutations of the ARX gene. Affected boys have severe delay and infantile spasms with suppression-burst electroencephalograms. Early death is frequent. Carrier female patients can have isolated corpus callosum agenesis. Schizencephaly has a wide anatomoclinical spectrum, including focal epilepsy in most patients. Familial occurrence is rare. Initial reports of heterozygous mutations in the EMX2 gene have not been confirmed. Among several syndromes featuring polymicrogyria, bilateral perisylvian polymicrogyria shows genetic heterogeneity, including linkage to chromosome Xq28 in some pedigrees, autosomal dominant or recessive inheritance in others, and an association with chromosome 22q11.2 deletion in some patients. About 65% of patients have severe epilepsy. Recessive bilateral frontoparietal polymicrogyria has been associated with mutations of the GPR56 gene. ( J Child Neurol 2005;20:287—299).
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Mesquita, Maria dos Anjos, and Conceição Aparecida de Mattos Segre. "Congenital malformations in newborns of alcoholic mothers." Einstein (São Paulo) 8, no. 4 (December 2010): 461–66. http://dx.doi.org/10.1590/s1679-45082010ao1880.
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ABSTRACT Objective: To identify the presence of fetal alcohol syndrome, other alcohol-related congenital defects, and/or neurodevelopment disorders in newborns of mothers who consumed alcohol during gestation. Methods: In a public maternity in the city of São Paulo, 1,964 puerperal women were interviewed and 654 had consumed alcohol at some point during gestation. The newborns were clinically and laboratorially examined in order to identify the occurrence of fetal alcohol syndrome, congenital defects or neurodevelopment disorders related to alcohol. Results: Three children were found with fetal alcohol syndrome (1.5/1,000 live births), 6 with congenital defects related to alcohol (3.0/1,000 live births), and 67 with developmental disorders related to alcohol (34.1/1,000 live births). The congenital malformations found in these children were thin or absent corpus callosum, brain cyst, asymmetry of the cerebral ventricles, meningomyelocele, cleft lip, anteverted nose, low-set ears, megaureter, hydronephrosis, polydactyly, congenital clubfoot, aphalangia of the toes, cryptorchidism, and hypospadia. conclusion: Newborns of mothers who consumed alcohol may have congenital malformations of various organs and systems, and early diagnosis is fundamental for a probable and occasional more effective resolution and progress.
Dissertations / Theses on the topic "Corpus callosum Brain Behavior disorders in children"
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Doherty, Donna Ross. "Analysis of variables related to social interactions in children with agenesis of the corpus callosum /." 2002. http://www.library.umaine.edu/theses/theses.asp?Cmd=abstract&ID=HUD2002-003.
Full textBook chapters on the topic "Corpus callosum Brain Behavior disorders in children"
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Kommu, John Vijay Sagar, and Sowmyashree Mayur Kaku. "Functional MRI in Pediatric Neurodevelopmental and Behavioral Disorders." In Functional MRI, edited by S. Kathleen Bandt and Dennis D. Spencer, 140–57. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190297763.003.0008.
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This chapter addresses functional magnetic resonance imaging (fMRI) of brain in children with neurodevelopmental and behavioral disorders. Common challenges of pediatric fMRI studies are related to acquisition and processing. In children with disruptive behavior disorders, deficits in affective response, empathy, and decision-making have been reported. Resting-state fMRI studies in attention-deficit hyperactivity disorder (ADHD) have shown altered activity in default mode and cognitive control networks. Task-based fMRI studies in ADHD have implicated frontoparietal cognitive and attentional networks. The role of stimulants in restoring the altered brain function has been examined using fMRI studies. In children with autism spectrum disorder, fMRI studies using face-processing tasks, theory-of-mind tasks, imitation, and language processing (e.g., sentence comprehension), as well as studies of gaze aversion, interest in social faces, and faces with emotions have implicated cerebellum, amygdala, hippocampus, insula, fusiform gyrus, superior temporal sulcus, planum temporale, inferior frontal gyrus, basal ganglia, thalamus, cingulate cortex, corpus callosum, and brainstem. In addition, fMRI has been a valuable research tool for understanding neurobiological substrates in children with psychiatric disorders (e.g., psychosis, posttraumatic stress disorder, and anxiety disorders).