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Cognitive development

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https://www.readbyqxmd.com/read/29342244/gli2-rescues-delays-in-brain-development-induced-by-kif3a-dysfunction
#1
Jia-Long Chen, Chia-Hsiang Chang, Jin-Wu Tsai
The primary cilium in neural stem cells plays distinct roles in different stages during cortical development. Ciliary dysfunctions in human (i.e., ciliopathy) cause developmental defects in multiple organs, including brain developmental delays, which lead to intellectual disabilities and cognitive deficits. However, effective treatment to this devastating developmental disorder is still lacking. Here, we first investigated the effects of ciliopathy on neural stem cells by knocking down Kif3a, a kinesin II motor required for ciliogenesis, in the neurogenic stage of cortical development by in utero electroporation of mouse embryos...
January 12, 2018: Cerebral Cortex
https://www.readbyqxmd.com/read/29342087/sophisticated-fowl-the-complex-behaviour-and-cognitive-skills-of-chickens-and-red-junglefowl
#2
REVIEW
Laura Garnham, Hanne Løvlie
The world's most numerous bird, the domestic chicken, and their wild ancestor, the red junglefowl, have long been used as model species for animal behaviour research. Recently, this research has advanced our understanding of the social behaviour, personality, and cognition of fowl, and demonstrated their sophisticated behaviour and cognitive skills. Here, we overview some of this research, starting with describing research investigating the well-developed senses of fowl, before presenting how socially and cognitively complex they can be...
January 17, 2018: Behavioral Sciences
https://www.readbyqxmd.com/read/29341901/a-small-peptide-derived-from-bmp-9-can-increase-the-effect-of-bfgf-and-ngf-on-sh-sy5y-cells-differentiation
#3
Marc-Antoine Lauzon, Nathalie Faucheux
The current aging of the world population will increase the number of people suffering from brain degenerative diseases such as Alzheimer's disease (AD). There are evidence showing that the use of growth factors such as BMP-9 could restored cognitive function as it acts on many AD hallmarks at the same time. However, BMP-9 is a big protein expensive to produce that can hardly access the central nervous system. We have therefore developed a small peptide, SpBMP-9, derived from the knuckle epitope of BMP-9 and showed its therapeutic potential in a previous study...
January 13, 2018: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/29341815/development-and-validation-of-simulated-virtual-patients-to-impart-early-clinical-exposure-in-endocrine-physiology
#4
Akriti Gupta, Satendra Singh, Farah Khaliq, Upreet Dhaliwal, S V Madhu
In the country presently, preclinical medical students are not routinely exposed to real patients. Thus, when they start clinical postings, they are found to have poor clinical reasoning skills. Simulated virtual patients (SVPs) can improve clinical skills without endangering real patients. This pilot study describes the development of two SVPs in endocrine physiology and their validation in terms of acquisition of clinical knowledge and student engagement. Two SVPs, Nandini Sharma (unintentional weight gain) and Sunil Yadav (polyuria), were created and published on the i-Human Patients platform through an iterative, interdisciplinary, and transdisciplinary collaborative process using the conceptual framework of Kim et al...
March 1, 2018: Advances in Physiology Education
https://www.readbyqxmd.com/read/29341497/defining-behavioral-components-of-social-functioning-in-adults-with-autism-spectrum-disorder-as-targets-for-treatment
#5
Ashley A Pallathra, Monica E Calkins, Julia Parish-Morris, Brenna B Maddox, Leat S Perez, Judith Miller, Ruben C Gur, David S Mandell, Robert T Schultz, Edward S Brodkin
There is increasing recognition that adults with autism spectrum disorder (ASD) would benefit from treatment to improve social functioning, a key factor in adults' overall quality of life. However, the various behavioral components of social functioning (i.e., categories of behaviors underlying social functioning), including social motivation, social anxiety, social cognition, and social skills, have not all been assessed together in any sample of adults with ASD, making it difficult to know the relative levels of impairment in these various categories, the relationships among these categories, or promising targets for treatments...
January 17, 2018: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/29341346/a-systematic-review-and-classification-of-interventions-for-speech-sound-disorder-in-preschool-children
#6
REVIEW
Yvonne Wren, Sam Harding, Juliet Goldbart, Sue Roulstone
BACKGROUND: Multiple nterventions have been developed to address speech sound disorder (SSD) in children. Many of these have been evaluated but the evidence for these has not been considered within a model which categorizes types of intervention. The opportunity to carry out a systematic of interventions for SSD arose as part of a larger scale study of interventions for primary speech and language impairment in preschool children. AIMS: To review systematically the evidence for interventions for SSD in preschool children and to categorize them within a classification of interventions for SSD...
January 16, 2018: International Journal of Language & Communication Disorders
https://www.readbyqxmd.com/read/29341323/test-retest-reliability-and-longitudinal-analysis-of-automated-hippocampal-subregion-volumes-in-healthy-ageing-and-alzheimer-s-disease-populations
#7
Amanda Worker, Danai Dima, Anna Combes, William R Crum, Johannes Streffer, Steven Einstein, Mitul A Mehta, Gareth J Barker, Steve C R Williams, Owen O'daly
The hippocampal formation is a complex brain structure that is important in cognitive processes such as memory, mood, reward processing and other executive functions. Histological and neuroimaging studies have implicated the hippocampal region in neuropsychiatric disorders as well as in neurodegenerative diseases. This highly plastic limbic region is made up of several subregions that are believed to have different functional roles. Therefore, there is a growing interest in imaging the subregions of the hippocampal formation rather than modelling the hippocampus as a homogenous structure, driving the development of new automated analysis tools...
January 16, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29341252/painful-procedures-can-affect-postnatal-growth-and-neurodevelopment-in-preterm-infants
#8
Caterina Coviello, Marina Popple Martinez, Livia Drovandi, Corsini Iuri, Valentina Leonardi, Clara Lunardi, Carla Antonelli, Simone Pratesi, Carlo Dani
AIM: This Italian study evaluated whether painful procedures during the first four weeks of life were related to subsequent weight gain, head circumference (HC) and neurodevelopmental outcomes in preterm infants, METHODS: We evaluated the number of invasive procedures that infants born at less than 32 weeks of gestational age (GA) underwent in the Neonatal Intensive Care Unit of Careggi Hospital, Florence from January to December 2015. Weight and HC were recorded at birth, 36 weeks of PMA and six and 12 months of CA...
January 17, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29341120/trajectories-of-infants-biobehavioral-development-timing-and-rate-of-a-not-b-performance-gains-and-eeg-maturation
#9
Leigha A MacNeill, Nilam Ram, Martha Ann Bell, Nathan A Fox, Koraly Pérez-Edgar
This study examined how timing (i.e., relative maturity) and rate (i.e., how quickly infants attain proficiency) of A-not-B performance were related to changes in brain activity from age 6 to 12 months. A-not-B performance and resting EEG (electroencephalography) were measured monthly from age 6 to 12 months in 28 infants and were modeled using logistic and linear growth curve models. Infants with faster performance rates reached performance milestones earlier. Infants with faster rates of increase in A-not-B performance had lower occipital power at 6 months and greater linear increases in occipital power...
January 17, 2018: Child Development
https://www.readbyqxmd.com/read/29341070/personality-changes-during-the-transition-from-cognitive-health-to-mild-cognitive-impairment
#10
Richard J Caselli, Blake T Langlais, Amylou C Dueck, Bruce R Henslin, Travis A Johnson, Bryan K Woodruff, Charlene Hoffman-Snyder, Dona E C Locke
BACKGROUND/OBJECTIVES: Behavioral problems in individuals with Alzheimer's disease (AD) impose major management challenges. Current prevention strategies are anchored to cognitive outcomes, but behavioral outcomes may provide another, clinically relevant opportunity for preemptive therapy. We sought to determine whether personality changes that predispose to behavioral disorders arise during the transition from preclinical AD to mild cognitive impairment (MCI). DESIGN: Longitudinal observational cohort study...
January 17, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29341064/can-addressing-personality-change-enhance-cognitive-functioning-and-delay-development-of-mild-cognitive-impairment
#11
EDITORIAL
Kevin J Manning, David C Steffens
No abstract text is available yet for this article.
January 17, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29341049/-long-term-outcome-after-prenatal-drug-exposure
#12
Ludwig Gortner, Sascha Meyer
Although prenatal exposure to opioids, cannabinoids and cocaine is a frequent problem, only scarce data have been published on the long-term outcome in affected children and adolescents. While opioid-exposed children up to the age of 2 years show a reduced motor developmental pattern, data from meta-analyses up to adolescence show a strong trend for reduced performance with regard to cognitive function and behavior. Follow-up data after intrauterine cannabinoid exposure indicate reduced cognitive and reading abilities as well as abnormal findings in complex planning tests...
January 16, 2018: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/29340966/cannabinomimetric-lipids-from-natural-extract-to-artificial-synthesis
#13
REVIEW
Ya-Ru Gao, Yong-Qiang Wang
Endocannabinoid system is related with various physiological and cognitive processes including fertility, pregnancy, during pre- and postnatal development, pain-sensation, mood, appetite, and memory. In the latest decades, an important milestone concerning the endocannabinoid system was the discovery of the existence of the cannabinoid receptors CB1 and CB2. Anandamide was the first reported endogenous metabolite, which adjusted the release of some neurotransmitters through binding to the CB1 or CB2 receptors...
January 16, 2018: Natural Products and Bioprospecting
https://www.readbyqxmd.com/read/29340154/the-impact-of-sepsis-delirium-and-psychological-distress-on-self-rated-cognitive-function-in-icu-survivors-a-prospective-cohort-study
#14
Emily Brück, Anna Schandl, Matteo Bottai, Peter Sackey
Background: Many intensive care unit (ICU) survivors develop psychological problems and cognitive impairment. The relation between sepsis, delirium, and later cognitive problems is not fully elucidated, and the impact of psychological symptoms on cognitive function is poorly studied in ICU survivors. The primary aim of this study was to examine the relationship between sepsis, ICU delirium, and later self-rated cognitive function. A second aim was to investigate the association between psychological problems and self-rated cognitive function 3 months after the ICU stay...
2018: Journal of Intensive Care
https://www.readbyqxmd.com/read/29339558/does-sleep-facilitate-the-consolidation-of-allocentric-or-egocentric-representations-of-implicitly-learned-visual-motor-sequence-learning
#15
Jeremy Viczko, Valya Sergeeva, Laura B Ray, Adrian M Owen, Stuart M Fogel
Sleep facilitates the consolidation (i.e., enhancement) of simple, explicit (i.e., conscious) motor sequence learning (MSL). MSL can be dissociated into egocentric (i.e., motor) or allocentric (i.e., spatial) frames of reference. The consolidation of the allocentric memory representation is sleep-dependent, whereas the egocentric consolidation process is independent of sleep or wake for explicit MSL. However, it remains unclear the extent to which sleep contributes to the consolidation of implicit (i.e., unconscious) MSL, nor is it known what aspects of the memory representation (egocentric, allocentric) are consolidated by sleep...
February 2018: Learning & Memory
https://www.readbyqxmd.com/read/29339512/neural-preservation-underlies-speech-improvement-from-auditory-deprivation-in-young-cochlear-implant-recipients
#16
Gangyi Feng, Erin M Ingvalson, Tina M Grieco-Calub, Megan Y Roberts, Maura E Ryan, Patrick Birmingham, Delilah Burrowes, Nancy M Young, Patrick C M Wong
Although cochlear implantation enables some children to attain age-appropriate speech and language development, communicative delays persist in others, and outcomes are quite variable and difficult to predict, even for children implanted early in life. To understand the neurobiological basis of this variability, we used presurgical neural morphological data obtained from MRI of individual pediatric cochlear implant (CI) candidates implanted younger than 3.5 years to predict variability of their speech-perception improvement after surgery...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29339150/altered-function-of-neuronal-l-type-calcium-channels-in-ageing-and-neuroinflammation-implications-in-age-related-synaptic-dysfunction-and-cognitive-decline
#17
REVIEW
Sheeja Navakkode, Chao Liu, Tuck Wah Soong
The rapid developments in science have led to an increase in human life expectancy and thus, ageing and age-related disorders/diseases have become one of the greatest concerns in the 21st century. Cognitive abilities tend to decline as we get older. This age-related cognitive decline is mainly attributed to aberrant changes in synaptic plasticity and neuronal connections. Recent studies show that alterations in Ca2+ homeostasis underlie the increased vulnerability of neurons to age-related processes like cognitive decline and synaptic dysfunctions...
January 12, 2018: Ageing Research Reviews
https://www.readbyqxmd.com/read/29338800/a-preliminary-investigation-of-pathways-to-inflated-responsibility-beliefs-in-children-with-obsessive-compulsive-disorder
#18
Lindsey M Collins, Meredith E Coles
BACKGROUND: Cognitive theorists posit that inflated responsibility beliefs contribute to the development of obsessive compulsive disorder (OCD). Salkovskis et al. (1999) proposed that experiencing heightened responsibility, overprotective parents and rigid rules, and thinking one influenced or caused a negative life event act as 'pathways' to the development of inflated responsibility beliefs, thereby increasing risk for OCD. Studies in adults with OCD and non-clinical adolescents support the link between these experiences and responsibility beliefs (Coles et al...
January 17, 2018: Behavioural and Cognitive Psychotherapy
https://www.readbyqxmd.com/read/29338796/cortical-morphology-development-in-patients-with-22q11-2-deletion-syndrome-at-ultra-high-risk-of-psychosis
#19
Maria Carmela Padula, Marie Schaer, Marco Armando, Corrado Sandini, Daniela Zöller, Elisa Scariati, Maude Schneider, Stephan Eliez
BACKGROUND: Patients with 22q11.2 deletion syndrome (22q11DS) present a high risk of developing psychosis. While clinical and cognitive predictors for the conversion towards a full-blown psychotic disorder are well defined and largely used in practice, neural biomarkers do not yet exist. However, a number of investigations indicated an association between abnormalities in cortical morphology and higher symptoms severities in patients with 22q11DS. Nevertheless, few studies included homogeneous groups of patients differing in their psychotic symptoms profile...
January 17, 2018: Psychological Medicine
https://www.readbyqxmd.com/read/29338646/cognitive-determinants-of-cervical-cancer-screening-behavior-amongst-housewife-women-in-iran-an-application-of-health-belief-model
#20
Towhid Babazadeh, Haidar Nadrian, Hamed Rezakhani Moghaddam, Elaheh Ezzati, Reza Sarkhosh, Shahin Aghemiri
Our aim in this cross-sectional study was to assess the cognitive determinants of Cervical Cancer Screening Behavior (CCSB) among housewife women in Islamabad County, Iran. Through multistage random sampling we recruited and interviewed 280 housewife women. The women who perceived more benefits of performing the Pap test (OR = 1.11), and perceived fewer barriers (OR = 0.915), and higher self-efficacy to perform the test (OR = 1.12) were more likely to have a CCSB in the previous three years. Our findings are informative for the development of targeted interventions to foster CCSB among housewife women...
January 17, 2018: Health Care for Women International
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