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Neurocognitive function

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https://www.readbyqxmd.com/read/28343184/regulatory-role-of-ngfs-in-neurocognitive-functions
#1
Ashutosh Kumar, Vikas Pareek, Muneeb A Faiq, Pavan Kumar, Khursheed Raza, Pranav Prasoon, Subrahamanyam Dantham, Sankat Mochan
Nerve growth factors (NGFs), especially the prototype NGF and brain-derived neurotrophic factor (BDNF), have a diverse array of functions in the central nervous system through their peculiar set of receptors and intricate signaling. They are implicated not only in the development of the nervous system but also in regulation of neurocognitive functions like learning, memory, synaptic transmission, and plasticity. Evidence even suggests their role in continued neurogenesis and experience-dependent neural network remodeling in adult brain...
March 27, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28342945/cognitive-impairment-in-first-episode-drug-na%C3%A3-ve-patients-with-schizophrenia-relationships-with-serum-concentrations-of-brain-derived-neurotrophic-factor-and-glial-cell-line-derived-neurotrophic-factor
#2
Wenhuan Xiao, Fei Ye, Chunlai Liu, Xiaowei Tang, Jin Li, Hui Dong, Weiwei Sha, Xiaobin Zhang
OBJECTIVES: Evidence suggests that brain-derived neurotrophic factor (BDNF) and glial cell line -derived neurotrophic factor (GDNF) are important in the regulation of synaptic plasticity, which plays a key role in the cognitive processes in psychiatric disorders. Our work aimed at exploring the associations between serum BDNF and GDNF levels and cognitive functions in first-episode drug-naïve (FEDN) patients with schizophrenia. METHODS: The BDNF and GDNF levels of 58 FEDN patients and 55 age- and sex-matched healthy controls were measured and test subjects were examined using several neurocognitive tests including the verbal fluency test (VFT), the trail making test (TMT), the digit span test (DST), and the Stroop test...
March 22, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28341527/the-relationship-of-maternal-prepregnancy-body-mass-index-and-pregnancy-weight-gain-to-neurocognitive-function-at-age-10-years-among-children-born-extremely-preterm
#3
Elizabeth T Jensen, Jelske W van der Burg, Thomas M O'Shea, Robert M Joseph, Elizabeth N Allred, Tim Heeren, Alan Leviton, Karl C K Kuban
OBJECTIVE: To assess the association between maternal prepregnancy body mass index and adequacy of pregnancy weight gain in relation to neurocognitive function in school-aged children born extremely preterm. STUDY DESIGN: Study participants were 535 ten-year-old children enrolled previously in the prospective multicenter Extremely Low Gestational Age Newborns cohort study who were products of singleton pregnancies. Soon after delivery, mothers provided information about prepregnancy weight...
March 21, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28340924/hippocampal-sparing-whole-brain-radiotherapy-for-lung-cancer
#4
REVIEW
Ren Zhao, Wei Kong, Jun Shang, Hong Zhe, Yan-Yang Wang
Brain metastases occur in 20% to 40% of lung cancer patients. Whole-brain radiotherapy (WBRT) has long been considered the treatment of choice for many patients with lung cancer, because of its wide availability, ease of delivery, and effectiveness in prolonging survival. However, WBRT is also associated with several side effects, such as decline in memory and other cognitive functions. There exists significant preclinical and clinical evidence that radiation-induced injury to the hippocampus correlates with neurocognitive decline of patients who receive WBRT...
March 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28340442/neurocognitive-performance-as-an-endophenotype-for-mood-disorder-subgroups
#5
Alison K Merikangas, Lihong Cui, Monica E Calkins, Tyler M Moore, Ruben C Gur, Raquel E Gur, Kathleen R Merikangas
BACKGROUND: There is growing evidence that neurocognitive function may be an endophenotype for mood disorders. The goal of this study is to examine the specificity and familiality of neurocognitive functioning across the full range of mood disorder subgroups, including Bipolar I (BP-I), Bipolar II (BP-II), Major Depressive Disorders (MDD), and controls in a community-based family study. METHODS: A total of 310 participants from 137 families with mood spectrum disorders (n=151) and controls (n=159) completed the University of Pennsylvania's Computerized Neurocognitive Battery (CNB) that assessed the accuracy and speed of task performance across five domains...
March 10, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28339651/comment-on-neurocognitive-function-varies-by-idh1-genetic-mutation-status-in-patients-with-malignant-glioma-prior-to-surgical-resection
#6
Christian F Freyschlag, Johannes Kerschbaumer, Claudius Thomé
No abstract text is available yet for this article.
February 18, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28336195/cognitive-correlates-of-visual-neural-plasticity-in-schizophrenia
#7
Carol Jahshan, Jonathan K Wynn, Daniel H Mathalon, Michael F Green
Neuroplasticity may be an important treatment target to improve the cognitive deficits in schizophrenia (SZ). Yet, it is poorly understood and difficult to assess. Recently, a visual high-frequency stimulation (HFS) paradigm that potentiates electroencephalography (EEG)-based visual evoked potentials (VEP) has been developed to assess neural plasticity in the visual cortex. Using this paradigm, we examined visual plasticity in SZ patients (N=64) and its correlations with clinical symptoms, neurocognition, functional capacity, and community functioning...
March 20, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28334859/neurocognitive-function-of-school-aged-hiv-infected-children-in-enugu-nigeria
#8
Kenechukwu K Iloh, Ifeoma J Emodi, Ngozi S Ibeziako, Anthony N Ikefuna, Agozie C Ubesie, Ogochukwu N Iloh, Gideon C Ilechukwu, Adaeze C Ayuk
Background: Evidence has shown neurocognitive problems often exist among human immunodeficiency virus (HIV)-infected children. There are limited data for children in Nigeria. Methods: This was a cross-sectional study of 100 school-aged perinatally HIV-infected children seen in the paediatric HIV clinic and age/sex-matched controls from the general paediatric clinic. Neuro-cognitive functioning was assessed using the Raven's progressive matrices (RPM) that has been adapted for the Nigerian population...
February 20, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28334687/neurocognitive-status-in-patients-with-newly-diagnosed-brain-tumors-in-good-neurological-condition-the-impact-of-tumor-type-volume-and-location
#9
Philipp Hendrix, Elisa Hans, Christoph J Griessenauer, Andreas Simgen, Joachim Oertel, Julia Karbach
OBJECTIVE: Neurocognitive function is of great importance in patients with brain tumors. Even patients in good neurological condition may suffer from neurocognitive dysfunction that affects their daily living. The purpose of the present study was to identify risk factors for neurocognitive dysfunction in patients suffering from common supratentorial brain tumors with minor neurological deficits. METHODS: A prospective study evaluating neurocognitive dysfunction in patients with a newly-diagnosed brain tumor in good neurological condition was performed at a major German academic institution...
March 18, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28334488/the-metacognition-assessment-scale-mas-a-results-of-a-pilot-study-applying-a-german-translation-to-individuals-with-schizophrenia-spectrum-disorders
#10
Anna-Lena Bröcker, Samuel Bayer, Frauke Stuke, Patrick Giemsa, Andreas Heinz, Felix Bermpohl, Paul H Lysaker, Christiane Montag
OBJECTIVES: Metacognition, the capacity 'to think about thinking' and thus to reflect and to master interpersonal problems on a mentalistic basis, is often impaired among patients with schizophrenia spectrum disorders and has been suggested as a potential treatment target. However, little is known about the reliability of its measurement and links with related phenomena. The aim of this study was to validate a German translation of the Metacognition Assessment Scale (MAS-A) as a measure to assess metacognition from free narratives of patients' personally relevant episodes and relationships...
March 23, 2017: Psychology and Psychotherapy
https://www.readbyqxmd.com/read/28334461/profile-of-children-diagnosed-with-a-fetal-alcohol-spectrum-disorder-a-retrospective-chart-review
#11
Natasha Reid, Doug Shelton, Judith Warner, Frances O'Callaghan, Sharon Dawe
INTRODUCTION AND AIMS: Fetal alcohol spectrum disorder (FASD) is a significant public health concern, and growing recognition in Australia led to the establishment of a specialist service for young children. The aim of the current study was to report on the diagnostic profile of a group of children who attended the service, to document the extent to which there were comorbid diagnoses and to provide information on the neurocognitive functioning of the children. DESIGN AND METHODS: This study was a retrospective chart review conducted by the diagnostic service...
March 23, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28333901/influence-of-the-recurrent-syncope-episodes-on-neurocognitive-functions-in-patients-with-vasovagal-syncope
#12
Joanna Jędrzejczyk-Spaho, Artur Z Pietrucha, Agnieszka Borowiec, Irena Bzukała, Mateusz Wnuk, Ewa Konduracka, Jadwiga Nessler
The aim of study was to evaluate an influence of recurrent syncope episodes on the neurocognitive functions (NCF) in patients with suspected VVS. AIM: The aim of study was to evaluate an influence of recurrent syncope episodes on the neurocognitive functions (NCF) in patients with suspected VVS. MATERIALS AND METHODS: Study population: 24 pts. (16 women) aged 17-70 yrs (mean age 40 years), with suspected VVS, referred to HUTT (head-up tilt test). All pts. underwent initial evaluation regarding to the number and circumstances of the syncopal and/or presyncopal spells...
March 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28333613/collaborative-management-of-neurocognitive-disorders-in-primary-care-explorations-of-an-attempt-at-culture-change
#13
Lewis Mehl-Madrona, Barbara Mainguy
INTRODUCTION: Minor neurocognitive disorder (MiND; previously mild cognitive impairment) is a transitional zone between normal cognitive function and early stages of major neurocognitive disorder (previously called dementia). Of people with MiND, 5% to 10% progress to major neurocognitive disorder. Simple interventions such as memory activities, balance exercises, and anti-inflammatory diets have been shown to improve cognitive ability. Also, education and support in group settings have proved beneficial for patients with MiND...
2017: Permanente Journal
https://www.readbyqxmd.com/read/28333487/adaptation-of-the-arizona-cognitive-task-battery-for-use-with-the-ts65dn-mouse-model-mus-musculus-of-down-syndrome
#14
Michael R Hunsaker, Genevieve K Smith, Raymond P Kesner
We propose and validate a clear strategy to efficiently and comprehensively characterize neurobehavioral deficits in the Ts65Dn mouse model of Down syndrome. This novel approach uses neurocognitive theory to design and select behavioral tasks that test specific hypotheses concerning the results of Down syndrome. In this article, we model the Arizona Cognitive Task Battery, used to study human populations with Down syndrome, in Ts65Dn mice. We observed specific deficits for spatial memory, impaired long-term memory for visual objects, acquisition and reversal of motor responses, reduced motor dexterity, and impaired adaptive function as measured by nesting and anxiety tasks...
March 23, 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28332121/impairment-in-emotion-perception-from-body-movements-in-individuals-with-bipolar-i-and-bipolar-ii-disorder-is-associated-with-functional-capacity
#15
Anja Vaskinn, Trine Vik Lagerberg, Thomas D Bjella, Carmen Simonsen, Ole A Andreassen, Torill Ueland, Kjetil Sundet
BACKGROUND: Individuals with bipolar disorder present with moderate impairments in social cognition during the euthymic state. The impairment extends to theory of mind and to the perception of emotion in faces and voices, but it is unclear if emotion perception from body movements is affected. The main aim of this study was to examine if participants with bipolar disorder perform worse than healthy control participants on a task using point-light displays of human full figures moving in a manner indicative of a basic emotion (angry, happy, sad, fearful, neutral/no emotion)...
December 2017: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/28329864/age-differences-in-cognitive-and-affective-theory-of-mind-concurrent-contributions-of-neurocognitive-performance-sex-and-pulse-pressure
#16
Ashley L Fischer, Norm O'Rourke, Wendy Loken Thornton
Objectives: Theory of mind (ToM) allows us to detect and make inferences about cognitive and affective mental states. Mixed findings exist regarding (a) age differences in cognitive and affective ToM and (b) what mechanisms may underlie changes in the two components. We addressed these questions by examining the unique and joint contributions of neurocognitive performance, pulse pressure (PP), and biological sex to age differences in cognitive and affective ToM. Method: We tested 86 young and 85 older adults on standardized measures of neurocognitive performance and ToM...
August 7, 2016: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/28321983/chloroprocaine-for-epidural-anesthesia-in-infants-and-children
#17
REVIEW
Giorgio Veneziano, Joseph D Tobias
Continuous epidural infusions are an effective and safe method of providing anesthesia and postoperative analgesia in infants and children with multiple advantages over systemic medications, including earlier tracheal extubation, decreased perioperative stress response, earlier return of bowel function, and decreased exposure to volatile anesthetic agents with uncertain long-term neurocognitive effects. Despite these benefits, local anesthetic toxicity remains a concern in neonates and infants because of their decreased metabolic capacity for amide local anesthetics...
March 21, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28321820/apolipoprotein-e4-suppresses-neuronal-specific-gene-expression-in-maturing-neuronal-progenitor-cells-exposed-to-hiv
#18
Rebeca Geffin, Ricardo Martinez, Alicia de Las Pozas, Biju Issac, Micheline McCarthy
The apolipoprotein ε4 gene allele and the apolipoprotein E4 protein (ApoE4) are important host susceptibility factors linked to neurocognitive disorders associated with HIV infection or Alzheimer's disease. Our previous studies showed differential effects of the two most common human ApoE genotypes, APOE3/3 and APOE3/4, on gene expression by differentiating human neuroepithelial progenitor cells continuously exposed to HIV. To investigate the effects of ApoE3 versus ApoE4 isoforms specifically on maturing neurons, we adapted a human neuronal progenitor cell line, hNP1, with ApoE genotype APOE3/3...
March 20, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28321696/accelerated-and-accentuated-neurocognitive-aging-in-hiv-infection
#19
David P Sheppard, Jennifer E Iudicello, Erin E Morgan, Rujvi Kamat, Lindsay R Clark, Gunes Avci, Mark W Bondi, Steven Paul Woods
There is debate as to whether the neurocognitive changes associated with HIV infection represent an acceleration of the typical aging process or more simply reflect a greater accentuated risk for age-related declines. We aimed to determine whether accelerated neurocognitive aging is observable in a sample of older HIV-infected individuals compared to age-matched seronegatives and older old (i.e., aged ≥65) seronegative adults. Participants in a cross-sectional design included 48 HIV-seronegative (O-) and 40 HIV-positive (O+) participants between the ages of 50-65 (mean ages = 55 and 56, respectively) and 40 HIV-seronegative participants aged ≥65 (OO-; mean age = 74) who were comparable for other demographics...
March 20, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28320844/the-effects-of-obstructive-sleep-apnea-syndrome-on-the-dentate-gyrus-and-learning-and-memory-in-children
#20
Jiook Cha, Johanna A Zea-Hernandez, Sanghun Sin, Katharina Graw-Panzer, Keivan Shifteh, Carmen R Isasi, Mark E Wagshul, Eileen E Moran, Jonathan Posner, Molly E Zimmerman, Raanan Arens
Obstructive sleep apnea syndrome (OSAS) is associated with intermittent hypoxia and sleep loss. In children, impairments of cognitive function are important manifestations, but underlying pathology is unknown. We hypothesized that OSAS would affect the dentate gyrus, a hippocampal subdivision essential to neurogenesis and cognition, and that this impact would further affect cognitive function in children. In children with OSAS (n=11) and control subjects (n=12; age and sex-matched), we performed diffusion tensor imaging and structural MRI, polysomnography, and neuropsychological assessments...
March 20, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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