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https://www.readbyqxmd.com/read/28088728/the-association-between-insomnia-related-sleep-disruptions-and-cognitive-dysfunction-during-the-inter-episode-phase-of-bipolar-disorder
#1
Jennifer C Kanady, Adriane M Soehner, Alexandra B Klein, Allison G Harvey
Sleep disturbance and cognitive dysfunction are two domains of impairment during inter-episode bipolar disorder. Despite evidence demonstrating the importance of sleep for cognition in healthy and sleep-disordered samples, this link has been minimally examined in bipolar disorder. The present study tested the association between insomnia-related sleep disruptions and cognitive dysfunction during inter-episode bipolar disorder. Forty-seven participants with bipolar disorder and a comorbid insomnia diagnosis (BD-Insomnia) and 19 participants with bipolar disorder without sleep disturbance in the last six months (BD-Control) participated in the study...
January 5, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28088714/children-s-and-adults-use-of-verbal-information-to-visually-anticipate-others-actions-a-study-on-explicit-and-implicit-social-cognitive-processing
#2
Markus Paulus, Tobias Schuwerk, Beate Sodian, Kerstin Ganglmayer
According to recent theories, social cognition is based on two different types of information-processing; an implicit or action-based one and an explicit or verbal one. The present study examined whether implicit and explicit social-cognitive information processing interact with each other by investigating young children's and adults' use of verbal (i.e., explicit) information to predict others' actions. Employing eye-tracking to measure anticipatory eye-movements as a measure of implicit processing, Experiment 1 presented 1...
January 12, 2017: Cognition
https://www.readbyqxmd.com/read/28088702/the-social-nature-of-overimitation-insights-from-autism-and-williams-syndrome
#3
Giacomo Vivanti, Darren R Hocking, Peter Fanning, Cheryl Dissanayake
When imitating novel actions, typically developing preschoolers often copy components of the demonstration that are unrelated to the modeled action's goal, a phenomenon known as 'overimitation'. According to the social motivation account, overimitation fulfills social affiliation motives (i.e., the imitator's drive to experience social connectedness with the demonstrator and the social context). Conversely, according to the social-cognitive account, overimitation reflects overattribution of causal relevance (i...
January 12, 2017: Cognition
https://www.readbyqxmd.com/read/28088692/evaluation-of-motor-and-cognitive-development-among-infants-exposed-to-hiv
#4
Kaitiana Martins da Silva, Cristina Dos Santos Cardoso de Sá, Raquel Carvalho
This study of a prospective and cross-sectional nature compared the motor and cognitive development of HIV-exposed and unexposed infants in their first 18months of age. 40 infants exposed to HIV and antiretroviral therapy (Experimental Group - EG) and 40 unexposed infants (Control Group - CG) participated in the study. They were divided into four age groups of 4, 8, 12 and 18months old, with 10 infants from EG and 10 from CG in each group. The infants were evaluated once on motor and cognitive development by the Bayley Scale of Infant and Toddler Development...
January 12, 2017: Early Human Development
https://www.readbyqxmd.com/read/28088679/post-event-processing-in-social-anxiety-disorder-examining-the-mediating-roles-of-positive-metacognitive-beliefs-and-perceptions-of-performance
#5
Dubravka Gavric, David A Moscovitch, Karen Rowa, Randi E McCabe
BACKGROUND: Post-event processing (PEP) is defined as repetitive negative thinking following anxiety provoking social events. PEP is thought to maintain anxiety symptoms in Social Anxiety Disorder (SAD) but little is known about the specific factors that contribute to the maintenance of PEP. AIMS: The current study investigated how perceptions of performance and positive metacognitive beliefs might contribute to the persistence of PEP. METHOD: Participants with SAD (n = 24) as well as anxious (n = 24) and healthy (n = 25) control participants completed a standardized social performance task in the lab...
January 4, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28088659/altered-cerebral-insulin-response-in-transgenic-mice-expressing-the-epsilon-4-allele-of-the-human-apolipoprotein-e-gene
#6
Marie-Thérèse Traversy, Milène Vandal, Cyntia Tremblay, Marine Tournissac, Ariane Giguère-Rancourt, A David Bennett, Frédéric Calon
Apolipoprotein E epsilon-4 (APOEε4 or APOE4), an allelic variation of the APOE gene, not only increases the risk of developing the late-onset form of Alzheimer's disease (AD), but also influences the outcome of treatment. Indeed, data from clinical studies show that the beneficial effect of insulin on cognition is blunted in APOE4 carriers. To investigate how APOE impacts insulin response, we assessed the effects of an acute insulin injection in APOE3- and APOE4-targeted replacement mice that respectively express the human APOE3 or APOE4 isoform instead of the endogenous murine ApoE protein...
November 30, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28088658/exposure-to-chronic-early-life-stress-lastingly-alters-the-adipose-tissue-the-leptin-system-and-changes-the-vulnerability-to-western-style-diet-later-in-life-in-mice
#7
K Y Yam, E F G Naninck, M R Abbink, S E la Fleur, L Schipper, J C van den Beukel, A Grefhorst, A Oosting, E M van der Beek, P J Lucassen, A Korosi
Early-life stress (ES) increases the vulnerability to develop psychopathologies and cognitive decline in adulthood. Interestingly, this is often comorbid with metabolic disorders, such as obesity. However, it is unclear whether ES leads to lasting metabolic changes and to what extent this is associated with the ES-induced cognitive impairments. Here, we used an established chronic ES mouse model (from postnatal day (P) 2 to P9) to investigate the short- and long-term effects of ES exposure on parameters of the adipose tissue and the leptin system (i...
December 23, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28088652/convergence-of-interoception-emotion-and-social-cognition-a-twofold-fmri-meta-analysis-and-lesion-approach
#8
Federico Adolfi, Blas Couto, Fabian Richter, Jean Decety, Jessica Lopez, Mariano Sigman, Facundo Manes, Agustín Ibáñez
Guided by indirect evidence, recent approaches propose a tripartite crosstalk among interoceptive signaling, emotional regulation, and low-level social cognition. Here we examined the neurocognitive convergence of such domains. First, we performed three meta-analyses of functional magnetic resonance imaging studies to identify which areas are consistently coactivated by these three systems. Multi-level Kernel Density Analysis (MKDA) revealed major overlaps in the right anterior insular and frontotemporal regions (viz...
December 29, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28088647/the-developmental-relationship-between-specific-cognitive-domains-and-grey-matter-in-the-cerebellum
#9
Dorothea M Moore, Anila M D'Mello, Lauren M McGrath, Catherine J Stoodley
There is growing evidence that the cerebellum is involved in cognition and cognitive development, yet little is known about the developmental relationship between cerebellar structure and cognitive subdomains in children. We used voxel-based morphometry to assess the relationship between cerebellar grey matter (GM) and language, reading, working memory, executive function, and processing speed in 110 individuals aged 8-17 years from the Pediatric Imaging, Neurocognition, and Genetics (PING) Study. Further, we examined the effect of age on the relationships between cerebellar GM and cognition...
December 21, 2016: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/28088645/towards-solving-the-hard-problem-of-consciousness-the-varieties-of-brain-resonances-and-the-conscious-experiences-that-they-support
#10
Stephen Grossberg
The hard problem of consciousness is the problem of explaining how we experience qualia or phenomenal experiences, such as seeing, hearing, and feeling, and knowing what they are. To solve this problem, a theory of consciousness needs to link brain to mind by modeling how emergent properties of several brain mechanisms interacting together embody detailed properties of individual conscious psychological experiences. This article summarizes evidence that Adaptive Resonance Theory, or ART, accomplishes this goal...
December 6, 2016: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/28088641/pathophysiological-and-behavioral-effects-of-systemic-inflammation-in-aged-and-diseased-rodents-with-relevance-to-delirium-a-systematic-review
#11
REVIEW
Leroy Schreuder, Bart J L Eggen, Knut P H Biber, Regien G Schoemaker, Jon D Laman, Sophia E de Rooij
Delirium is a frequent outcome for aged and demented patients that suffer a systemic inflammatory insult. Animal models that reconstruct these etiological processes have potential to provide a better understanding of the pathophysiology of delirium. Therefore, we systematically reviewed animal studies in which systemic inflammation was superimposed on aged or diseased animal models. In total, 77 studies were identified. Aged animals were challenged with a bacterial endotoxin in 29 studies, 25 studies superimposed surgery on aged animals, and in 6 studies a bacterial infection, Escherichia coli (E...
January 11, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28088629/induction-of-hypothyroidism-during-early-postnatal-stages-triggers-a-decrease-in-cognitive-performance-by-decreasing-hippocampal-synaptic-plasticity
#12
Paulina Salazar, Pedro Cisternas, Juan Francisco Codocedo, Nibaldo C Inestrosa
Thyroid hormones are vital in the control of multiple body functions, including the correct performance of the brain. Multiple diseases are associated with thyroid gland functioning, including hypothyroidism. To date, little is known regarding the effects of the establishment of this condition at a young age on brain function. Here, we evaluated the effect of hypothyroidism in an early postnatal stage in cognitive abilities with focus on the hippocampus. In our model, hypothyroidism was induced in young rats at 21days of age using 0...
January 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28088604/alba-screening-instrument-asi-a-brief-screening-tool-for-lewy-body-dementia
#13
M M Garcia Basalo, M C Fernandez, M Ojea Quintana, J I Rojas, M J Garcia Basalo, E Bogliotti, N Campora, M Fernandez, W Berrios, E Cristiano, A Golimstok
BACKGROUND: Early detection of neurodegenerative diseases is essential for treatment and proper care of these patients. Screening tools available today are effective for several types of dementia. However, there is no one specific for Lewy Body Dementia (LBD). OBJECTIVES: The aim of this paper is to present a tool for early detection of LBD, accessible even for non-medical staff. METHODS: We stratified subjects (MMSE>20) into four groups: health controls (HC), Mild Cognitive Impairment (MCI), LBD and other dementias (Alzheimer and vascular)...
January 5, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28088534/the-social-transmission-of-metacontrol-policies-mechanisms-underlying-the-interpersonal-transfer-of-persistence-and-flexibility
#14
REVIEW
Bernhard Hommel, Lorenza S Colzato
Humans often face binary cognitive-control dilemmas, with the choice between persistence and flexibility being a crucial one. Tackling these dilemmas requires metacontrol, i.e., the control of the current cognitive-control policy. As predicted from functional, psychometric, neuroscientific, and modeling approaches, interindividual variability in metacontrol biases towards persistence or flexibility could be demonstrated in metacontrol-sensitive tasks. These biases covary systematically with genetic predispositions regarding mesofrontal and nigrostriatal dopaminergic functioning and the individualistic or collectivistic nature of the cultural background...
January 11, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28088527/navigation-in-the-electronic-health-record-a-review-of-the-safety-and-usability-literature
#15
REVIEW
Lisette C Roman, Jessica S Ancker, Stephen B Johnson, Yalini Senathirajah
OBJECTIVE: Inefficient navigation in electronic health records has been shown to increase users' cognitive load, which may increase potential for errors, reduce efficiency, and increase fatigue. However, navigation has received insufficient recognition and attention in the electronic health record (EHR) literature as an independent construct and contributor to overall usability. Our aims in this literature review were to (1) assess the prevalence of navigation-related topics within the EHR usability and safety research literature, (2) categorize types of navigation actions within the EHR, (3) capture relationships between these navigation actions and usability principles, and (4) collect terms and concepts related to EHR navigation...
January 11, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28088506/linguistic-indicators-of-pain-catastrophizing-in-patients-with-chronic-musculoskeletal-pain
#16
Doerte U Junghaenel, Stefan Schneider, Joan E Broderick
: The present study examined markers of pain catastrophizing in the word use of patients with chronic pain. Patients (n = 71) completed the Pain Catastrophizing Scale and wrote about their life with pain. Quantitative word count analysis examined whether the essays contained linguistic indicators of catastrophizing. Bivariate correlations showed that catastrophizing was associated with greater use of first person singular pronouns, such as "I" (r = .27, p≤ .05) and pronouns referencing other people (r = 28, p≤ ...
January 11, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28088501/a-review-of-reproductive-and-developmental-toxicity-of-silver-nanoparticles-in-laboratory-animals
#17
REVIEW
Makoto Ema, Hirokazu Okuda, Masashi Gamo, Kazumasa Honda
We summarized significant effects reported in the literature on the reproductive and developmental toxicity of silver nanoparticles (AgNPs) in laboratory animals. AgNPs showed testicular/sperm toxicity in males and ovarian and embryonic toxicity in females. Maternal injection of AgNPs delayed physical development and impaired cognitive behavior in offspring. Ag was accumulated in the testes after administration of AgNPs. AgNPs were identified in the visceral yolk sac after administration during early gestation in mice...
January 11, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28088484/optimal-trajectories-of-brain-state-transitions
#18
Shi Gu, Richard F Betzel, Marcelo G Mattar, Matthew Cieslak, Philip R Delio, Scott T Grafton, Fabio Pasqualetti, Danielle S Bassett
The complexity of neural dynamics stems in part from the complexity of the underlying anatomy. Yet how white matter structure constrains how the brain transitions from one cognitive state to another remains unknown. Here we address this question by drawing on recent advances in network control theory to model the underlying mechanisms of brain state transitions as elicited by the collective control of region sets. We find that previously identified attention and executive control systems are poised to affect a broad array of state transitions that cannot easily be classified by traditional engineering-based notions of control...
January 11, 2017: NeuroImage
https://www.readbyqxmd.com/read/28088391/changes-in-the-cerebellar-and-cerebro-cerebellar-circuit-in-type-2-diabetes
#19
Peng Fang, Jie An, Xin Tan, Ling-Li Zeng, Hui Shen, Shijun Qiu, Dewen Hu
Currently, 422 million adults suffer from diabetes worldwide, leading to tremendous disabilities and a great burden to families and society. Functional and structural MRIs have demonstrated that patients with type 2 diabetes mellitus (T2DM) exhibit abnormalities in brain regions in the cerebral cortex. However, the changes of cerebellar anatomical connections in diabetic patients remains unclear. In the current study, diffusion tensor imaging deterministic tractography and statistical analysis were employed to investigate abnormal cerebellar anatomical connections in diabetic patients...
January 11, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28088350/the-emotive-nature-of-conflict-monitoring-in-the-medial-prefrontal-cortex
#20
Blair Saunders, Hause Lin, Marina Milyavskaya, Michael Inzlicht
The detection of conflict between incompatible impulses, thoughts, and actions is a ubiquitous source of motivation across theories of goal-directed action. In this overview, we explore the hypothesis that conflict is emotive, integrating perspectives from affective science and cognitive neuroscience. Initially, we review evidence suggesting that the mental and biological processes that monitor for information processing conflict-particularly those generated by the anterior midcingulate cortex-track the affective significance of conflict and use this signal to motivate increased control...
January 11, 2017: International Journal of Psychophysiology
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