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https://www.readbyqxmd.com/read/29194345/embryonic-ethanol-exposure-affects-early-and-late-added-cardiac-precursors-and-produces-long-lasting-heart-chamber-defects-in-zebrafish
#1
Swapnalee Sarmah, James A Marrs
Drinking mothers expose their fetuses to ethanol, which produces birth defects: craniofacial defects, cognitive impairment, sensorimotor disabilities and organ deformities, collectively termed as fetal alcohol spectrum disorder (FASD). Various congenital heart defects (CHDs) are present in FASD patients, but the mechanisms of alcohol-induced cardiogenesis defects are not completely understood. This study utilized zebrafish embryos and older larvae to understand FASD-associated CHDs. Ethanol-induced cardiac chamber defects initiated during embryonic cardiogenesis persisted in later zebrafish life...
December 1, 2017: Toxics
https://www.readbyqxmd.com/read/29106518/prenatal-ethanol-exposure-and-neocortical-development-a-transgenerational-model-of-fasd
#2
Charles W Abbott, David J Rohac, Riley T Bottom, Sahil Patadia, Kelly J Huffman
Fetal Alcohol Spectrum Disorders, or FASD, represent a range of adverse developmental conditions caused by prenatal ethanol exposure (PrEE) from maternal consumption of alcohol. PrEE induces neurobiological damage in the developing brain leading to cognitive-perceptual and behavioral deficits in the offspring. Alcohol-mediated alterations to epigenetic function may underlie PrEE-related brain dysfunction, with these changes potentially carried across generations to unexposed offspring. To determine the transgenerational impact of PrEE on neocortical development, we generated a mouse model of FASD and identified numerous stable phenotypes transmitted via the male germline to the unexposed third generation...
July 6, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/29091739/postnatal-nutritional-treatment-of-neurocognitive-deficits-in-foetal-alcohol-spectrum-disorder-fasd
#3
Adriana Bastons-Compta, Marta Astals, Vicente Andreu, Elisabet Navarro, Oscar Garcia-Algar
Ethanol is the most important teratogen agent in humans. Prenatal alcohol exposure can lead to a wide range of adverse effects, which are broadly termed as Foetal Alcohol Spectrum Disorder (FASD). Socioeconomic status, ethnicity, differences in genetic susceptibility related to ethanol metabolism, alcohol consumption patterns, obstetric problems, maternal nutrition, stress, and other co-administered drugs are all factors that may influence FASD manifestations. Recently, much attention has been paid to the role of nutrition as a protective factor against alcohol teratogenicity...
November 1, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29023818/commentary-on-montag-et%C3%A2-al-2017-the-importance-of-cbpr-in-fasd-prevention-with-american-indian-communities
#4
Jessica D Hanson, Tess L Weber
Prenatal alcohol consumption is a public health concern due to potential lifelong physical and cognitive effects in offspring, often presenting in the form of fetal alcohol syndrome (FAS) or other fetal alcohol spectrum disorders (FASD). FASD is the continuum of lifelong outcomes in those born prenatally exposed to alcohol and includes a diagnosis of fetal alcohol syndrome (FAS), which is diagnosed through facial abnormalities, growth retardation, and delayed brain growth (Hoyme et al., 2016), as well as secondary disabilities such as conduct disorders, mental illness, and psychosocial functioning...
October 10, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/29017910/developmental-ethanol-exposure-alters-the-morphology-of-mouse-prefrontal-neurons-in-a-layer-specific-manner
#5
Emma L Louth, Hanna D Luctkar, Kayla A Heney, Craig D C Bailey
Chronic developmental exposure to ethanol can lead to a wide variety of teratogenic effects, which in humans are known as fetal alcohol spectrum disorders (FASD). Individuals affected by FASD may exhibit persistent impairments to cognitive functions such as learning, memory, and attention, which are highly dependent on medial prefrontal cortex (mPFC) circuitry. The objective of this study was to determine long-term effects of chronic developmental ethanol exposure on mPFC neuron morphology, in order to better-understand potential neuronal mechanisms underlying cognitive impairments associated with FASD...
October 7, 2017: Brain Research
https://www.readbyqxmd.com/read/29017023/maternal-iron-nutriture-as-a-critical-modulator-of-fasd-risk-in-alcohol-exposed-pregnancies
#6
Kaylee K Helfrich, Nipun Saini, Pamela J Kling, Susan M Smith
Alcohol consumption during pregnancy places the fetus at risk for permanent physical, cognitive, and behavioral impairments, collectively termed fetal alcohol spectrum disorders (FASD). However, prenatal alcohol exposure (PAE) outcomes vary widely, and growing evidence suggests that maternal nutrition is a modifying factor. Certain nutrients, such as iron, may modulate FASD outcomes. Untreated gestational iron deficiency (ID) causes persistent neurodevelopmental deficits in the offspring that affect many of the same domains damaged by PAE...
October 10, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28987617/mitigation-of-postnatal-ethanol-induced-neuroinflammation-ameliorates-trace-fear-memory-deficits-in-juvenile-rats
#7
Molly J Goodfellow, Youn Ju Shin, Derick H Lindquist
Impairments in behavior and cognition are common in individuals diagnosed with fetal alcohol spectrum disorders (FASD). In this study, FASD model rats were intragastrically intubated with ethanol (5g/kg/day; 5E), sham-intubated (SI), or maintained as naïve controls (NC) over postnatal days (PD) 4-9. Ethanol exposure during this human third trimester-equivalent period induces persistent impairments in hippocampus-dependent learning and memory. The ability of ibuprofen (IBU), a non-steroidal anti-inflammatory drug, to diminish ethanol-induced neuroinflammation and rescue deficits in hippocampus-dependent trace fear conditioning (TFC) was investigated in 5E rats...
October 5, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28977761/understanding-and-managing-sleep-disruption-in-children-with-fasd
#8
Ana Hanlon-Dearman, Maida Lynn Chen, Heather Carmichael Olson
Accumulating evidence has revealed high rates of sleep disruption among children with Fetal Alcohol Spectrum Disorder (FASD). Multiple animal and clinical studies have found a clear association between sleep problems and prenatal alcohol exposure (PAE), and recent research is beginning to characterize the types and extent of sleep disruption in FASD. Nevertheless, sleep disruption in children with FASD often goes unrecognized or is treated without referring to an evidence base. Children's disrupted sleep interferes with parental sleep and increases caregiver burden, which is of particular importance for families raising children with FASD, a group with very high levels of caregiving stress...
October 4, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28977753/the-manitoba-youth-justice-program-empowering-and-supporting-fasd-affected-youth-in-conflict-with-the-law
#9
Sally Elizabeth Longstaffe, Albert Chudley, Mary Kate Harvie, Teresa Brown, Dan Neault, Trevor John Markesteyn
Fetal Alcohol Spectrum Disorder (FASD) describes a constellation of physical, cognitive, neurologic and behavioral impairments resulting from prenatal exposure to alcohol. FASD is recognized as being one of the largest causes of preventable brain injury in children. There had long been concerns that some youth in conflict with the law may be affected with FASD given repetitive patterns of offending and apparent lack of understanding of consequences of their actions. In 2004 funding was received from Justice Canada for a pilot project with a cross departmental steering committee working together to determine a best way of working across systems to provide FASD assessments to these youth...
October 4, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28944474/altered-neural-oscillations-during-multisensory-integration-in-adolescents-with-fetal-alcohol-spectrum-disorder
#10
Alfredo D Bolaños, Brian A Coffman, Felicha T Candelaria-Cook, Piyadasa Kodituwakku, Julia M Stephen
BACKGROUND: Children with fetal alcohol spectrum disorder (FASD), who were exposed to alcohol in utero, display a broad range of sensory, cognitive, and behavioral deficits, which are broadly theorized to be rooted in altered brain function and structure. Based on the role of neural oscillations in multisensory integration from past studies, we hypothesized that adolescents with FASD would show a decrease in oscillatory power during event-related gamma oscillatory activity (30-100Hz), when compared to typically-developing healthy controls (HC), and that such decrease in oscillatory power would predict behavioral performance...
September 25, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28918081/developmental-alcohol-exposure-impairs-synaptic-plasticity-without-overtly-altering-microglial-function-in-mouse-visual-cortex
#11
Elissa L Wong, Nina M Lutz, Victoria A Hogan, Cassandra E Lamantia, Helene R McMurray, Jason R Myers, John M Ashton, Ania K Majewska
Fetal alcohol spectrum disorder (FASD), caused by gestational ethanol (EtOH) exposure, is one of the most common causes of non-heritable and life-long mental disability worldwide, with no standard treatment or therapy available. While EtOH exposure can alter the function of both neurons and glia, it is still unclear how EtOH influences brain development to cause deficits in sensory and cognitive processing later in life. Microglia play an important role in shaping synaptic function and plasticity during neural circuit development and have been shown to mount an acute immunological response to EtOH exposure in certain brain regions...
January 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28869026/-a-danish-fetal-alcohol-spectrum-disorders-definition
#12
Marcella Broccia, Jennifer Vikre-Jørgensen, Nete Lundager Klokker Rausgaard
The Danish Paediatric Society presents the first Danish definition of fetal alcohol spectrum disorders (FASD) in a new guideline. FASD is an umbrella term for conditions caused by prenatal alcohol exposure. To varying degrees, fetal alcohol damages manifest as physical defects, characteristic facial features and poor growth, as well as behavioural and cognitive disorders. It requires both somatic and psychological evaluation to identify these damages. Early diagnosis and identification of problems are important for prognosis as professional care has a positive preventive effect on comorbidities...
August 7, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28796950/age-related-differences-in-neuropsychological-assessment-of-fetal-alcohol-spectrum-disorder-a-cross-sectional-study
#13
Nicole Taylor, Leah Enns
This cross-sectional study examined six key areas of neuropsychological functioning (cognitive, academic, attention, executive function, adaptive skills) comparing adolescents and school-age children with prenatal alcohol exposure (PAE). The aims were: (1) to examine which neuropsychological measures were predictive of an FASD diagnosis in adolescents and school-age children with PAE, and (2) to compare the neuropsychological performance of adolescents and children diagnosed with FASD. Hierarchical logistic regressions determined that the Full-Scale IQ, Verbal Comprehension and Perceptual Reasoning indices, basic reading and math skills, adaptive functioning at school, and components of executive functioning (dependent on age) improved the probability of an accurate FASD diagnosis in both groups: 9...
August 10, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28738878/tlr4-response-mediates-ethanol-induced-neurodevelopment-alterations-in-a-model-of-fetal-alcohol-spectrum-disorders
#14
María Pascual, Jorge Montesinos, Sandra Montagud-Romero, Jerónimo Forteza, Marta Rodríguez-Arias, José Miñarro, Consuelo Guerri
BACKGROUND: Inflammation during brain development participates in the pathogenesis of early brain injury and cognitive dysfunctions. Prenatal ethanol exposure affects the developing brain and causes neural impairment, cognitive and behavioral effects, collectively known as fetal alcohol spectrum disorders (FASD). Our previous studies demonstrate that ethanol activates the innate immune response and TLR4 receptor and causes neuroinflammation, brain damage, and cognitive defects in the developmental brain stage of adolescents...
July 24, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28734059/localized-reductions-in-resting-state-functional-connectivity-in-children-with-prenatal-alcohol-exposure
#15
Jia Fan, Paul A Taylor, Sandra W Jacobson, Christopher D Molteno, Suril Gohel, Bharat B Biswal, Joseph L Jacobson, Ernesta M Meintjes
Fetal alcohol spectrum disorders (FASD) are characterized by impairment in cognitive function that may or may not be accompanied by craniofacial anomalies, microcephaly, and/or growth retardation. Resting-state functional MRI (rs-fMRI), which examines the low-frequency component of the blood oxygen level dependent (BOLD) signal in the absence of an explicit task, provides an efficient and powerful mechanism for studying functional brain networks even in low-functioning and young subjects. Studies using independent component analysis (ICA) have identified a set of resting-state networks (RSNs) that have been linked to distinct domains of cognitive and perceptual function, which are believed to reflect the intrinsic functional architecture of the brain...
October 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28727687/hippocampus-dependent-memory-and-allele-specific-gene-expression-in-adult-offspring-of-alcohol-consuming-dams-after-neonatal-treatment-with-thyroxin-or-metformin
#16
E Tunc-Ozcan, S L Wert, P H Lim, A Ferreira, E E Redei
Fetal alcohol spectrum disorder (FASD), the result of fetal alcohol exposure (FAE), affects 2-11% of children worldwide, with no effective treatments. Hippocampus-based learning and memory deficits are key symptoms of FASD. Our previous studies show hypothyroxinemia and hyperglycemia of the alcohol-consuming pregnant rat, which likely affects fetal neurodevelopment. We administered vehicle, thyroxine (T4) or metformin to neonatal rats post FAE and rats were tested in the hippocampus-dependent contextual fear-conditioning paradigm in adulthood...
July 20, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28674490/what-the-spectrum-of-microglial-functions-can-teach-us-about-fetal-alcohol-spectrum-disorder
#17
REVIEW
Elissa L Wong, Rianne D Stowell, Ania K Majewska
Alcohol exposure during gestation can lead to severe defects in brain development and lifelong physical, behavioral and learning deficits that are classified under the umbrella term fetal alcohol spectrum disorder (FASD). Sadly, FASD is diagnosed at an alarmingly high rate, affecting 2%-5% of live births in the United States, making it the most common non-heritable cause of mental disability. Currently, no standard therapies exist that are effective at battling FASD symptoms, highlighting a pressing need to better understand the underlying mechanisms by which alcohol affects the developing brain...
2017: Frontiers in Synaptic Neuroscience
https://www.readbyqxmd.com/read/28669901/maternal-alcohol-binge-drinking-induces-persistent-neuroinflammation-associated-with-myelin-damage-and-behavioural-dysfunctions-in-offspring-mice
#18
Lídia Cantacorps, Silvia Alfonso-Loeches, Maria Moscoso-Castro, Javier Cuitavi, Irene Gracia-Rubio, Raúl López-Arnau, Elena Escubedo, Consuelo Guerri, Olga Valverde
Alcohol binge drinking is on the increase in the young adult population, and consumption during pregnancy can be deleterious for foetal development. Maternal alcohol consumption leads to a wide range of long-lasting morphological and behavioural deficiencies known as foetal alcohol spectrum disorders (FASD), associated with neurodevelopmental disabilities. We sought to test the effects of alcohol on neuroimmune system activation and its potential relation to alcohol-induced neurodevelopmental and persistent neurobehavioural effects in offspring after maternal alcohol binge drinking during the prenatal period or in combination with lactation...
June 29, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28604500/behavior-in-children-with-fetal-alcohol-spectrum-disorders-in-remote-australia-a-population-based-study
#19
Tracey W Tsang, Heather Carmichael Olson, Jane Latimer, James Fitzpatrick, Marmingee Hand, June Oscar, Maureen Carter, Elizabeth J Elliott
OBJECTIVE: To document behavior in children residing in very remote Western Australian communities as rated by parent/caregivers and teachers. We hypothesized that children with fetal alcohol spectrum disorders (FASD) would have higher rates of problematic behavior than children without FASD. METHODS: The Child Behavior Checklist (CBCL; n = 97), and Teacher Report Form (TRF; n = 106) were used in this population-based study. Raw scores, proportions scoring within "Normal/Borderline/Clinical" ranges, and frequencies of Critical items were determined...
September 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28560153/sexual-dimorphism-of-volume-reduction-but-not-cognitive-deficit-in-fetal-alcohol-spectrum-disorders-a-combined-diffusion-tensor-imaging-cortical-thickness-and-brain-volume-study
#20
Sarah Treit, Zhang Chen, Dongming Zhou, Lauren Baugh, Carmen Rasmussen, Gail Andrew, Jacqueline Pei, Christian Beaulieu
Quantitative magnetic resonance imaging (MRI) has revealed abnormalities in brain volumes, cortical thickness and white matter microstructure in fetal alcohol spectrum disorders (FASD); however, no study has reported all three measures within the same cohort to assess the relative magnitude of deficits, and few studies have examined sex differences. Participants with FASD (n = 70; 30 females; 5-32 years) and healthy controls (n = 74; 35 females; 5-32 years) underwent cognitive testing and MRI to assess cortical thickness, regional brain volumes and fractional anisotropy (FA)/mean diffusivity (MD) of white matter tracts...
2017: NeuroImage: Clinical
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