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Neurocognitive function

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https://www.readbyqxmd.com/read/28918221/a-10-minute-measure-of-global-cognition-validation-of-the-brief-cognitive-assessment-tool-for-schizophrenia-b-cats
#1
Irene M Hurford, Joseph Ventura, Stephen R Marder, Steven P Reise, Robert M Bilder
INTRODUCTION: Schizophrenia is marked by a global cognitive impairment that contributes significantly to chronic disability and unemployment. As new treatments are developed for cognition in schizophrenia, clinicians require easily administered instruments to assess cognition. We previously developed a very brief cognitive battery (Bell et al., 2005). The Brief Cognitive Assessment Tool for Schizophrenia (B-CATS) was developed specifically to provide clinicians with a way to assess cognition in their patients with schizophrenia...
September 13, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28915338/neurocognitive-psychosocial-and-quality-of-life-outcomes-in-adult-survivors-of-childhood-non-hodgkin-lymphoma
#2
Matthew J Ehrhardt, Daniel A Mulrooney, Chenghong Li, Malek J Baassiri, Kari Bjornard, John T Sandlund, Tara M Brinkman, I-Chan Huang, Deo Kumar Srivastava, Kirsten K Ness, Leslie L Robison, Melissa M Hudson, Kevin R Krull
BACKGROUND: Children with non-Hodgkin lymphoma (NHL) undergo treatment with central nervous system-directed therapy, the potentially neurotoxic effects of which have not been reported in NHL survivors. METHODS: NHL survivors (n = 187) participating in the St. Jude Lifetime Cohort who were 10 or more years from their diagnosis and were 18 years old or older underwent neurocognitive, emotional distress (Brief Symptom Inventory 18), and health-related quality of life (HRQOL) assessments (36-Item Short Form Health Survey)...
September 15, 2017: Cancer
https://www.readbyqxmd.com/read/28914327/repeated-2-sevoflurane-administration-in-7%C3%A2-and-60-day-old-rats-neurotoxicity-and-neurocognitive-dysfunction
#3
He Huang, Cun-Ming Liu, Jie Sun, Wen-Jie Jin, Yu-Qing Wu, Jing Chen
BACKGROUND: Sevoflurane is one of the most widely used inhalation anesthetics in pediatric anesthesia. A large number of studies have demonstrated that repeated treatment with high concentrations or long durations of sevoflurane anesthesia during the neonatal period can induce neuroapoptosis and long-term learning disability. In clinical practice, we observed that a subset of patients underwent minor surgery under sevoflurane anesthesia more than once from birth to adolescence. Therefore, this research was conducted to investigate whether a 2% concentration of sevoflurane (clinically relevant usage of sevoflurane) for 1 h (a short duration) can induce neuroapoptosis and neurocognitive dysfunction in adolescent rats that received sevoflurane (2% for 1 h) during the neonatal period...
September 15, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28911901/structural-brain-abnormalities-of-attention-deficit-hyperactivity-disorder-with-oppositional-defiant-disorder
#4
Siri D S Noordermeer, Marjolein Luman, Corina U Greven, Kim Veroude, Stephen V Faraone, Catharina A Hartman, Pieter J Hoekstra, Barbara Franke, Jan K Buitelaar, Dirk J Heslenfeld, Jaap Oosterlaan
BACKGROUND: Attention-deficit/hyperactivity disorder (ADHD) is associated with structural abnormalities in total gray matter, basal ganglia, and cerebellum. Findings of structural abnormalities in frontal and temporal lobes, amygdala, and insula are less consistent. Remarkably, the impact of comorbid oppositional defiant disorder (ODD) (comorbidity rates up to 60%) on these neuroanatomical differences is scarcely studied, while ODD (in combination with conduct disorder) has been associated with structural abnormalities of the frontal lobe, amygdala, and insula...
July 21, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28910813/the-neighborhood-built-environment-and-cognitive-function-of-older-persons-results-from-the-singapore-longitudinal-ageing-study
#5
Tze Pin Ng, Ma Shwe Zin Nyunt, Faysal Kabir Shuvo, Jia Yen Eng, Keng Bee Yap, Li Min Hee, Siew Pang Chan, Samuel Scherer
BACKGROUND: We investigated the association of subjective (perceived) and objective (geographical information system [GIS]-based) measures of the neighborhood built environment (BE) attributes with cognitive function among older persons, and the mediating effect of transportation physical activity (TPA) and leisure time (physical, social and productive) activities (LTA). METHOD: A cross-sectional study of 402 residents aged 55 years and above in the Singapore Longitudinal Ageing Study...
September 15, 2017: Gerontology
https://www.readbyqxmd.com/read/28910193/lifestyle-markers-predict-cognitive-function
#6
Steven C Masley, Richard Roetzheim, Gwendolyn Clayton, Angela Presby, Kelley Sundberg, Lucas V Masley
OBJECTIVE: Rates of mild cognitive impairment and Alzheimer's disease are increasing rapidly. None of the current treatment regimens for Alzheimer's disease are effective in arresting progression. Lifestyle choices may prevent cognitive decline. This study aims to clarify which factors best predict cognitive function. METHODS: This was a prospective cross-sectional analysis of 799 men and women undergoing health and cognitive testing every 1 to 3 years at an outpatient center...
September 14, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28902459/exome-sequences-of-multiplex-multigenerational-families-reveal-schizophrenia-risk-loci-with-potential-implications-for-neurocognitive-performance
#7
Mark Z Kos, Melanie A Carless, Juan Peralta, Joanne E Curran, Ellen E Quillen, Marcio Almeida, August Blackburn, Lucy Blondell, David R Roalf, Michael F Pogue-Geile, Ruben C Gur, Harald H H Göring, Vishwajit L Nimgaonkar, Raquel E Gur, Laura Almasy
Schizophrenia is a serious mental illness, involving disruptions in thought and behavior, with a worldwide prevalence of about one percent. Although highly heritable, much of the genetic liability of schizophrenia is yet to be explained. We searched for susceptibility loci in multiplex, multigenerational families affected by schizophrenia, targeting protein-altering variation with in silico predicted functional effects. Exome sequencing was performed on 136 samples from eight European-American families, including 23 individuals diagnosed with schizophrenia or schizoaffective disorder...
September 13, 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/28899524/adherence-to-continuous-positive-airway-pressure-improves-attention-psychomotor-function-and-sleepiness-a-bias-reduction-method-with-further-assessment-of-apples
#8
Tyson H Holmes, Clete A Kushida
OBJECTIVE/BACKGROUND: Variable adherence to prescribed therapies for sleep disorders is commonplace. This study was designed to integrate three available statistical technologies (instrumental variables, residual inclusion, and shrinkage) to allow sleep investigators to employ data on variable adherence in the estimation of the causal effect of treatment as received on clinical outcomes. PATIENTS/METHODS: Using data from the Apnea Positive Pressure Long-term Efficacy Study (APPLES), regression adjustment for observed and unobserved confounders was applied to two primary neurocognitive outcomes, plus two measures of sleepiness...
September 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28895568/response-to-targeted-cognitive-training-correlates-with-change-in-thalamic-volume-in-a-randomized-trial-for-early-schizophrenia
#9
Ian S Ramsay, Susanna Fryer, Alison Boos, Brian J Roach, Melissa Fisher, Rachel Loewy, Sophia Vinogradov, Daniel H Mathalon
Reduced thalamic volume is consistently observed in schizophrenia, and correlates with cognitive impairment. Targeted cognitive training (TCT) of auditory processing in schizophrenia drives improvements in cognition that are believed to result from functional neuroplasticity in prefrontal and auditory cortices. In this study, we sought to determine whether response to TCT is also associated with structural neuroplastic changes in thalamic volume in patients with early schizophrenia (ESZ). Additionally, we examined baseline clinical, cognitive, and neural characteristics predictive of a positive response to TCT...
September 12, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28895064/a-mouse-model-of-hiv-associated-neurocognitive-disorders-a-brain-behavior-approach-to-discover-disease-mechanisms-and-novel-treatments
#10
REVIEW
William R Tyor, Heather Bimonte-Nelson
HIV-associated neurocognitive disorders (HAND) remain highly prevalent despite combined antiretroviral therapy (cART). Although the most common forms of HAND are mild and identified through neuropsychological testing, there is evidence that with aging these mild forms become more prevalent and may advance to the most severe form of HAND, HIV-associated dementia. Therefore, novel therapies must be developed that can be used adjunctively with cART to prevent deterioration or restore normal cognitive function...
September 11, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28895059/central-nervous-system-penetrating-antiretrovirals-impair-energetic-reserve-in-striatal-nerve-terminals
#11
Kelly L Stauch, Katy Emanuel, Benjamin G Lamberty, Brenda Morsey, Howard S Fox
The use of antiretroviral (ARV) drugs with central nervous system (CNS) penetration effectiveness (CPE) may be useful in the treatment of HIV-associated neurocognitive disorder (HAND) as well as targeting a CNS reservoir in strategies to achieve a functional cure for HIV. However, increased cognitive deficits are linked to at least one of these drugs (efavirenz). As mitochondrial dysfunction has been found with a number of ARVs, and as such can affect neuronal function, the objective of this study was to assess the effects of ARV with high CPE for toxicological profiles on presynaptic nerve terminal energy metabolism...
September 11, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28893794/effects-of-hiv-1-tat-and-methamphetamine-on-blood-brain-barrier-integrity-and-function-in-vitro
#12
Sulay Patel, Crystal R Leibrand, Preetha Palasuberniam, Pierre-Olivier Couraud, Babette Weksler, Fay M Jahr, Joseph L McClay, Kurt F Hauser, MaryPeace McRae
Human immunodeficiency (HIV) infection results in neurocognitive deficits in about one half of infected individuals. Despite systemic effectiveness, restricted antiretroviral penetration across the blood-brain barrier (BBB) is a major limitation in fighting CNS-localized infection. Drug abuse exacerbates HIV-induced cognitive and pathologic CNS changes. This study's purpose was to investigate the effects of the HIV-1 protein, Tat, and methamphetamine on factors affecting drug penetration across an in vitro BBB model...
September 11, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28891505/sleep-microstructure-dynamics-and-neurocognitive-performance-in-obstructive-sleep-apnea-syndrome-patients
#13
Foroozan Karimzadeh, Mohammad Nami, Reza Boostani
The present study examined the relationship between the increment in cyclic alternating patterns (CAPs) in sleep electroencephalography and neurocognitive decline in obstructive Sleep Apnea Syndrome (OSAS) patients through source localization of the phase-A of CAPs. All-night polysomnographic recordings of 10 OSAS patients and 4 control subjects along with their cognitive profile using the Addenbrooke's Cognitive Examination (ACE) test were acquired. The neuropsychological assessment involved five key domains including attention and orientation, verbal fluency, memory, language and visuo-spatial skills...
2017: Journal of Integrative Neuroscience
https://www.readbyqxmd.com/read/28889962/neurobehavioral-outcomes-in-autoimmune-encephalitis
#14
Anusha K Yeshokumar, Eliza Gordon-Lipkin, Ana Arenivas, Jesse Cohen, Arun Venkatesan, Deanna Saylor, John C Probasco
This study evaluates long-term neurobehavioral function in patients with clinically diagnosed autoimmune encephalitis (AE) of various etiologies through retrospective chart review and a cross-sectional structured telephone interview. Of 77 patients meeting clinical diagnostic criteria for AE over a ten year period, 39/77 (51%) patients had known AE-associated antibodies, and 38/77 (49%) had no detected antibody. 9/77 (12%) died, and 26/77 (34%) had "poor" neurologic disability score (mRS 3-5) at the last documented follow-up...
August 31, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28889255/motor-related-brain-abnormalities-in-hiv-infected-patients-a-multimodal-mri-study
#15
Yawen Zhou, Ruili Li, Xiaoxiao Wang, Hui Miao, Yarui Wei, Rizwan Ali, Bensheng Qiu, Hongjun Li
PURPOSE: It is generally believed that HIV infection could cause HIV-associated neurocognitive disorders (HAND) across a broad range of functional domains. Some of the most common findings are deficits in motor control. However, to date no neuroimaging studies have evaluated basic motor control in HIV-infected patients using a multimodal approach. METHODS: In this study, we utilized high-resolution structural imaging and task-state functional magnetic resonance imaging (fMRI) to assess brain structure and motor function in a homogeneous cohort of HIV-infected patients...
September 9, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28888663/impact-of-air-manganese-on-child-neurodevelopment-in-east-liverpool-ohio
#16
Erin N Haynes, Heidi Sucharew, Timothy J Hilbert, Pierce Kuhnell, Alonzo Spencer, Nicholas C Newman, Roxanne Burns, Robert Wright, Patrick J Parsons, Kim N Dietrich
BACKGROUND: East Liverpool, Ohio, the site of a hazardous waste incinerator and a manganese (Mn) processor, has had air Mn concentrations exceeding United States Environmental Protection Agency reference levels for over a decade. Save Our County, Inc., a community organization, was formed to address community environmental health concerns related to local industry. Researchers from the University of Cincinnati partnered with Save Our County to determine if air Mn had an impact on the neurocognitive function of children in the community...
September 6, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28888583/fda-warning-on-anesthesia-and-brain-development-implications-for-obstetric-and-fetal-surgery
#17
Olutoyin A Olutoye, Byron Wycke Baker, Michael A Belfort, Oluyinka O Olutoye
There has been growing concern about the detrimental effects of certain anesthetic agents on the developing brain. Preclinical studies in small animal models as well as non-human primates, have suggested loss or death of brain cells and consequent impaired neurocognitive function following anesthetic exposure in neonates and late gestation fetuses. Human studies in this area are limited and currently inconclusive. On December 14, 2016, the United States Food and Drug administration (FDA) issued a warning regarding impaired brain development in children following exposure to certain anesthetic agents used for general anesthesia, namely the inhalational anesthetics isoflurane, sevoflurane, desflurane, and the intravenous agents, Propofol and midazolam, in the third trimester of pregnancy...
September 6, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28887198/mindfulness-and-dynamic-functional-neural-connectivity-in-children-and-adolescents
#18
Hilary A Marusak, Farrah Elrahal, Craig A Peters, Prantik Kundu, Michael V Lombardo, Vince D Calhoun, Elimelech K Goldberg, Cindy Cohen, Jeffrey W Taub, Christine A Rabinak
BACKGROUND: Interventions that promote mindfulness consistently show salutary effects on cognition and emotional wellbeing in adults, and more recently, in children and adolescents. However, we lack understanding of the neurobiological mechanisms underlying mindfulness in youth that should allow for more judicious application of these interventions in clinical and educational settings. METHODS: Using multi-echo multi-band fMRI, we examined dynamic (i.e., time-varying) and conventional static resting-state connectivity between core neurocognitive networks (i...
September 5, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28884250/memory-impairment-in-hiv-infected-individuals-with-early-and-late-initiation-of-regular-marijuana-use
#19
Linda M Skalski, Sheri L Towe, Kathleen J Sikkema, Christina S Meade
Marijuana use is disproportionately prevalent among HIV-infected individuals. The strongest neurocognitive effect of marijuana use is impairment in the domain of memory. Memory impairment is also high among HIV-infected persons. The present study examined 69 HIV-infected individuals who were stratified by age of regular marijuana initiation to investigate how marijuana use impacts neurocognitive functioning. A comprehensive battery assessed substance use and neurocognitive functioning. Findings indicated early onset marijuana users (regular use prior to age 18), compared to non-marijuana users and late onset marijuana users (regular use at age 18 or later), were over 8 times more likely to have learning impairment and nearly 4 times more likely to have memory impairment...
September 7, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28883857/postmenopausal-cognitive-changes-and-androgen-levels-in-the-context-of-apolipoprotein-e-polymorphism
#20
Iwona Bojar, Jarosław Pinkas, Mariusz Gujski, Alfred Owoc, Dorota Raczkiewicz, Kasia Gustaw-Rothenberg
INTRODUCTION: The focus of this study was to assess cognitive functions in relation to androgens and specifically testosterone and dehydroepiandrosterone in postmenopausal women as well as the correlation between cognitive functions and these two androgens according to polymorphism of the apolipoprotein E gene (APOE). MATERIAL AND METHODS: A group of 402 women was recruited to the study (minimum 2 years after the last menstruation, follicle-stimulating hormone (FSH) more than 30 U/ml and no dementia signs on Montreal Cognitive Assessment)...
August 2017: Archives of Medical Science: AMS
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