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https://www.readbyqxmd.com/read/29352126/role-of-subcortical-structures-on-cognitive-and-social-function-in-schizophrenia
#1
Daisuke Koshiyama, Masaki Fukunaga, Naohiro Okada, Fumio Yamashita, Hidenaga Yamamori, Yuka Yasuda, Michiko Fujimoto, Kazutaka Ohi, Haruo Fujino, Yoshiyuki Watanabe, Kiyoto Kasai, Ryota Hashimoto
Subcortical regions have a pivotal role in cognitive, affective, and social functions in humans, and the structural and functional abnormalities of the regions have been associated with various psychiatric disorders. Although previous studies focused on the neurocognitive and socio-functional consequences of prefrontal and tempolo-limbic abnormalities in psychiatric disorders, those of subcortical structures remain largely unknown. Recently, MRI volume alterations in subcortical structures in patients with schizophrenia have been replicated in large-scale meta-analytic studies...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29351000/age-effects-on-cerebral-oxygenation-and-behavior-in-children-with-sleep-disordered-breathing
#2
Knarik Tamanyan, Lisa M Walter, Aidan Weichard, Margot J Davey, Gillian M Nixon, Sarah N Biggs, Rosemary Sc Horne
RATIONALE: Childhood sleep disordered breathing ranges in severity from primary snoring to obstructive sleep apnea and is associated with behavioral and neurocognitive deficits. It remains unknown why children with primary snoring, who do not experience peripheral oxygen desaturation or sleep fragmentation, experience similar daytime deficits as those with obstructive sleep apnea or why effects are age dependent. OBJECTIVE: To examine cerebral tissue oxygenation and oxygen extraction as an explanation for daytime deficits in children with primary snoring...
January 19, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29348039/face-processing-measures-of-social-cognition-a%C3%A2-dimensional-approach-to-developmental-psychopathology
#3
Raquel E Gur, Tyler M Moore, Monica E Calkins, Kosha Ruparel, Ruben C Gur
BACKGROUND: Social cognition impairments in neurodevelopmental disorders impact functioning. Face processing is the most extensively studied aspect of social cognition, commonly indexing this construct in neuropsychiatric disorders compared with typically developing youths. Applying social cognition measures as a Research Domain Criteria concept in the clinical arena requires establishing cutoffs for intervention and identifying vulnerability for psychopathology across disorders. This can be accomplished by comparing extreme performers across multiple clinical symptom features...
September 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/29345192/cross-validation-of-the-dot-counting-test-in-a-large-sample-of-credible-and-non-credible-patients-referred-for-neuropsychological-testing
#4
Courtney McCaul, Kyle B Boone, Annette Ermshar, Maria Cottingham, Tara L Victor, Elizabeth Ziegler, Michelle A Zeller, Matthew Wright
OBJECTIVE: To cross-validate the Dot Counting Test in a large neuropsychological sample. METHOD: Dot Counting Test scores were compared in credible (n = 142) and non-credible (n = 335) neuropsychology referrals. RESULTS: Non-credible patients scored significantly higher than credible patients on all Dot Counting Test scores. While the original E-score cut-off of ≥17 achieved excellent specificity (96.5%), it was associated with mediocre sensitivity (52...
January 18, 2018: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/29343080/voices-from-australia-concerns-about-hiv-associated-neurocognitive-disorder
#5
Denise Cummins, Donna Waters, Christina Aggar, David Crawford, Judith Fethney, Catherine O'Connor
This study aimed to determine whether people living with HIV (PLHIV) are concerned about HIV associated neurocognitive disorder (HAND) and would find information and resources for HAND beneficial. An online survey focusing on the experience of HAND was distributed via the website of Positive Life New South Wales: a peak peer-support non-government organization in Australia. Of 126 respondents, 94 (74%) had heard of HAND, 52/94 (55%) had experienced concerns and of these, 48/52 (92%) felt anxiety about discussing the subject...
January 18, 2018: AIDS Care
https://www.readbyqxmd.com/read/29337649/neurocognitive-deficits-associated-with-adhd-in-athletes-a-systematic-review
#6
Poyrung Poysophon, Ashwin L Rao
CONTEXT: Attention deficit hyperactivity disorder (ADHD) is a common childhood disorder and is frequently diagnosed in young adults. Emerging studies suggest a relationship between ADHD and concussion. OBJECTIVE: To determine whether athletes with ADHD are at increased risk for neurocognitive deficits related to concussion risk, symptom reporting, and recovery. DATA SOURCES: A comprehensive search of PubMed, CINAHL, PsychInfo, and Cochrane Library databases was performed...
January 1, 2018: Sports Health
https://www.readbyqxmd.com/read/29334645/co-morbid-depressive-disorder-is-associated-with-better-neurocognitive-performance-in-first-episode-schizophrenia-spectrum
#7
Sarah E Herniman, Sue M Cotton, Eóin Killackey, Robert Hester, Kelly A Allott
BACKGROUND: Both major depressive disorder (MDD) and first episode schizophrenia spectrum (FES) are associated with significant neurocognitive deficits. However, it remains unclear whether the neurocognitive deficits in individuals with FES are more severe if there is comorbid depressive disorder. The aim of this study was to compare the neurocognitive profiles between those with and without full-threshold depressive disorder in FES. METHOD: This study involved secondary analysis of baseline data from a randomized controlled trial of vocational intervention for young people with first-episode psychosis (N = 82; age range: 15-25 years)...
January 3, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29331931/resting-state-fmri-signals-in-offspring-of-parents-with-bipolar-disorder-at-the-high-risk-and-ultra-high-risk-stages-and-their-relations-with-cognitive-function
#8
Kangguang Lin, Robin Shao, Rui Lu, Kun Chen, Weicong Lu, Ting Li, Jiehua Kong, Kwok-Fai So, Guiyun Xu
BACKGROUND: Bipolar disorder (BD) has been associated with dysfunctional resting-state brain functioning. However, it is still not known whether the aberrant functioning occurs and predict cognitive functioning before illness onset. AIMS: We examined the resting-state regional and network dysfunctioning, and their correlates with neurocognitive performance, in the high-risk (HR) and ultra-high-risk (UHR) stages of bipolar disorder. METHODS: Using amplitude of low-frequency fluctuations (ALFF), region homogeneity (ReHo) and hypothesis-driven region-of-interest (ROI)-based connectivity, we examined resting-state fMRI data of 8- to 25-year-old healthy offspring (HR, n = 28) and offspring with subthreshold syndromes (UHR, n = 22) of a BD parent, and age-matched healthy controls without any personal or family psychopathology (HC, n = 46)...
January 8, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29331600/a-real-world-study-on-the-genetic-cognitive-and-psychopathological-differences-of-obese-patients-clustered-according-to-eating-behaviours
#9
Mariarita Caroleo, Amedeo Primerano, Marianna Rania, Matteo Aloi, Valentina Pugliese, Fabio Magliocco, Gilda Fazia, Andrea Filippo, Flora Sinopoli, Marco Ricchio, Franco Arturi, Susana Jimenez-Murcia, Fernando Fernandez-Aranda, Pasquale De Fazio, Cristina Segura-Garcia
BACKGROUND: Considering that specific genetic profiles, psychopathological conditions and neurobiological systems underlie human behaviours, the phenotypic differentiation of obese patients according to eating behaviours should be investigated. The aim of this study was to classify obese patients according to their eating behaviours and to compare these clusters in regard to psychopathology, personality traits, neurocognitive patterns and genetic profiles. METHODS: A total of 201 obese outpatients seeking weight reduction treatment underwent a dietetic visit, psychological and psychiatric assessment and genotyping for SCL6A2 polymorphisms...
December 14, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29331595/the-interaction-between-neurocognitive-functioning-subthreshold-psychotic-symptoms-and-pharmacotherapy-in-22q11-2-deletion-syndrome-a-longitudinal-comparative-study
#10
R Weinberger, O Weisman, Y Guri, T Harel, A Weizman, D Gothelf
BACKGROUND: The 22q11.2 deletion syndrome (22q11DS) is the most common genetic syndrome associated with schizophrenia. The goal of this study was to evaluate longitudinally the interaction between neurocognitive functioning, the presence of subthreshold psychotic symptoms (SPS) and conversion to psychosis in individuals with 22q11DS. In addition, we attempted to identify the specific neurocognitive domains that predict the longitudinal evolution of positive and negative SPS, as well as the effect of psychiatric medications on 22q11DS psychiatric and cognitive developmental trajectories...
December 8, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29330881/cocaine-and-hiv-1-tat-disrupt-cholesterol-homeostasis-in-astrocytes-implications-for-hiv-associated-neurocognitive-disorders-in-cocaine-user-patients
#11
Bianca Cotto, Kalimuthusamy Natarajaseenivasan, Kimberly Ferrero, Leroy Wesley, Matthew Sayre, Dianne Langford
Cholesterol synthesis and clearance by astrocytes are tightly regulated to maintain constant levels within the brain. In this context, liver X receptors (LXRs) are the master regulators of cholesterol homeostasis in the central nervous system (CNS). Increasing levels of cholesterol in astrocytes trigger LXR activation leading to the transcription of target genes involved in cholesterol trafficking and efflux, including apolipoprotein E, cytochrome P450 enzymes, sterol regulatory binding protein, and several ATP-binding cassette transporter proteins...
January 13, 2018: Glia
https://www.readbyqxmd.com/read/29329741/sex-differences-of-hippocampal-structure-in-bipolar-disorder
#12
Jing Shi, Hua Guo, Fengmei Fan, Hongzhen Fan, Huimei An, Zhiren Wang, Shuping Tan, Fude Yang, Yunlong Tan
Although differential patterns in clinical characteristics have been consistently noted between male and female patients with bipolar disorder (BD), the effect of sex on the hippocampal structure remains unclear. To address this, the present study investigated the effects of BD and sex on the hippocampal structure, and the relationship between the hippocampal structure and cognitive performance. Morphometric and neurocognitive analyses were performed in 91 subjects (patients with BD: male/female = 33/19; normal controls: male/female = 22/17)...
December 1, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29326869/prenatal-methadone-exposure-is-associated-with-altered-neonatal-brain-development
#13
Victoria J Monnelly, Devasuda Anblagan, Alan Quigley, Manuel Blesa Cabez, E Sarah Cooper, Helen Mactier, Scott I Semple, Mark E Bastin, James P Boardman
Methadone is used for medication-assisted treatment of heroin addiction during pregnancy. The neurodevelopmental outcome of children with prenatal methadone exposure can be sub-optimal. We tested the hypothesis that brain development is altered among newborn infants whose mothers were prescribed methadone. 20 methadone-exposed neonates born after 37 weeks' postmenstrual age (PMA) and 20 non-exposed controls underwent diffusion MRI at mean PMA of 39+ 2 and 41+ 1 weeks, respectively. An age-optimized Tract-based Spatial Statistics (TBSS) pipeline was used to perform voxel-wise statistical comparison of fractional anisotropy (FA) data between exposed and non-exposed neonates...
2018: NeuroImage: Clinical
https://www.readbyqxmd.com/read/29326055/a-retrospective-biochemical-molecular-and-neurocognitive-review-of-saudi-patients-with-argininosuccinic-aciduria
#14
Ruqaiah AlTassan, Dalal Bubshait, Faiqa Imtiaz, Zuhair Rahbeeni
A retrospective review was compiled of 54 patients with argininosuccinic aciduria who were either identified through the Saudi National Newborn Screening Program or diagnosed clinically from January 2000 to December 2015. The duration of follow-up is from 2 to 19 years. The majority of patients (65%) originated from the central province of Saudi Arabia. The mean patient age at review was 10 years (2-19 years), 92% received an early diagnosis (<28 days of age) and most were symptomatic at the time of the diagnosis (n = 34)...
January 8, 2018: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29325234/prospective-associations-between-infant-sleep-at-12-months-and-autism-spectrum-disorder-screening-scores-at-24-months-in-a-community-based-birth-cohort
#15
A K Danny Nguyen, Laura E Murphy, Mehmet Kocak, Frances A Tylavsky, Linda S Pagani
BACKGROUND: Sleep problems have been associated with autism spectrum disorder (ASD) symptoms and diagnosis. However, past research has studied the simultaneous association of sleep problems with precursor ASD symptoms. Using data from a birth cohort, we estimate prospective associations between infant sleep characteristics at 12 months and later ASD screening scores at 24 months. METHODS: We obtained data from children (N = 1,096) and their mothers as participants in the Conditions Affecting Neurocognitive Development and Learning in Early Childhood longitudinal birth cohort study...
January 2, 2018: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/29324923/the-operation-of-the-day-care-centre-of-alzheimer-hellas-saint-helen-and-of-the-memory-clinic-of-papanikolaou-general-hospital-from-2007-to-2017
#16
Chrysa Papasozomenou, Eleni Poptsi, Eirini Maria Tabaki, Magda Tsolaki
OBJECTIVE: Nowadays, there is a rapid increase of neurocognitive disorders (ND), while Alzheimer disease (AD), is the most frequent type of neurodegeneration. Therefore, Day Care Centers (DCC) and Memory Clinics (MC) have been created in order to correspond to the rising needs of people with ND. The aim of the study was to record clinical and demographic characteristics of people with ND from the broader area of Thessaloniki. SUBJECTS AND METHODS: Data bases were collected and were analyzed in order to examine demographical characteristics of all visitors of the DCC of Alzheimer Hellas and of visitors of the Papanikolaou General Hospital, during the years 2007-2017...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324267/clinical-validity-of-the-japanese-version-of-wais-iii-short-forms-adaptation-for-patients-with-mild-neurocognitive-disorder-and-dementia
#17
Mihoko Takeda, Makoto Nakaya, Yoko Kikuchi, Sayaka Inoue, Tomoyuki Kamata
We investigated the Japanese WAIS-III short form utility in mild neurocognitive disorder and dementia. Our sample consisted of 108 old patients (ages: 65-89; mean age = 78.3). Fifteen short forms (SFs) and full-scale (FS) IQs were compared. The SFs included Dyads (SF1, SF2), Triads (SF3), Tetrads (SF4, SF5, SF6, SF7), Pentad (SF8), Six-subtest (SF9), Seven-subtests (SF10(a)(b), SF11(a)(b), SF12), and Nine-subtest (SF13). Correlations between SFIQs and FSIQ were all significant. Significant differences also were found in paired t-test between FSIQ and 5 SFIQs (SF2: t = -4...
December 29, 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29323711/hiv-1-increases-extracellular-amyloid-beta-levels-through-neprilysin-regulation-in-primary-cultures-of-human-astrocytes
#18
Marta Martínez-Bonet, M Ángeles Muñoz-Fernández, Susana Álvarez
Since the success of combined antiretroviral therapy, HIV-1-infected individuals are now living much longer. This increased life expectancy is accompanied by a higher prevalence of HIV-1 associated neurocognitive disorders. Rising too is the incidence in these patients of pathological hallmarks of Alzheimer's disease such as increased deposition of amyloid beta protein (Aβ). Although neurons are major sources of Aβ in the brain, astrocytes are the most numerous glial cells, therefore, even a small level of astrocytic Aβ metabolism could make a significant contribution to brain pathology...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29323557/neuropsychological-assessment-of-412-hiv-infected-individuals-in-s%C3%A3-o-paulo-brazil
#19
Maria Rita Polo Gascón, José Ernesto Vidal, Yolanda Marques Mazzaro, Jerusa Smid, Rosa Maria Nascimento Marcusso, Claudio Garcia Capitão, Elizeu Macedo Coutinho, Glaucia Rosana Guerra Benute, Mara Cristina Souza De Lucia, Augusto César Penalva de Oliveira
HIV-associated neurocognitive disorders (HAND) remain frequent even among individuals receiving combined antiretroviral therapy (cART). In addition, HAND may adversely affect the quality of life and adherence to cART. There is scarce epidemiological information about HAND in Latin America. This cross-sectional study recruited HIV-infected patients from a tertiary teaching institution in São Paulo, Brazil, between May 2013 and February 2015. The patients were adults with at least 4 years of education and patients with current neurological or psychiatric diseases were excluded...
January 2018: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/29319809/increased-microglial-csf1r-expression-in-the-siv-macaque-model-of-hiv-cns-disease
#20
Audrey C Knight, Samuel A Brill, Suzanne E Queen, Patrick M Tarwater, Joseph L Mankowski
Chronic microglial activation and associated neuroinflammation are key factors in neurodegenerative diseases including HIV-associated neurocognitive disorders. Colony stimulating factor 1 receptor (CSF1R)-mediated signaling is constitutive in cells of the myeloid lineage, including microglia, promoting cell survival, proliferation, and differentiation. In amyotrophic lateral sclerosis and Alzheimers disease, CSF1R is upregulated. Inhibiting CSF1R signaling in animal models of these diseases improved disease outcomes...
January 8, 2018: Journal of Neuropathology and Experimental Neurology
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