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https://www.readbyqxmd.com/read/29334687/cognitive-deficits-in-methamphetamine-users-how-strong-is-the-evidence
#1
Lisa Proebstl, Felicia Kamp, Gabi Koller, Michael Soyka
Methamphetamine use has spread in many European countries and the United States. The current review provides a summary and critical analysis of research on cognitive deficits associated with methamphetamine, also known as "crystal meth." The literature search performed for this review led us to the hypothesis that methamphetamine use is associated with persistent changes in brain metabolism that result in various impairments, such as deficits in memory, attention, and concentration. The dopaminergic system in particular seems to be affected...
January 15, 2018: Pharmacopsychiatry
https://www.readbyqxmd.com/read/29330442/competition-among-the-attentional-networks-due-to-resource-reduction-in-tibetan-indigenous-residents-evidence-from-event-related-potentials
#2
Delong Zhang, Xinjuan Zhang, Hailin Ma, Yan Wang, Huifang Ma, Ming Liu
This study used the attention network test (ANT) to evaluate the alerting, orienting, and executive network efficiencies of attention related to indigenous residents who were born and raised until early adulthood in different high-altitude areas (2900-m, 3700-m, and 4200-m) at the same location (3700-m) where these residents had been living for approximately 2 years in Tibet. We further applied the event-related potential (ERP) method to identify the underlying neurophysiological basis. Based on the ANT, we found that, in the 4200-m residents, executive function was increased but the orienting function was decreased, and the executive and orienting network scores were oppositely correlated...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29325223/maternal-thyroid-hormone-insufficiency-during-pregnancy-and-risk-of-neurodevelopmental-disorders-in-offspring-a-systematic-review-and-meta-analysis
#3
William Thompson, Ginny Russell, Genevieve Baragwanath, Justin Matthews, Bijay Vaidya, Jo Thompson-Coon
BACKGROUND: In the last two decades, several studies have examined the association between maternal thyroid hormone insufficiency during pregnancy and neurodevelopmental disorders in children and shown conflicting results. AIM: This systematic review aimed to assess the evidence for an association between maternal thyroid hormone insufficiency during pregnancy and neurodevelopmental disorders in children. We also sought to assess whether levothyroxine treatment for maternal thyroid hormone insufficiency improves child neurodevelopment outcomes...
January 11, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29316105/antidepressant-use-during-pregnancy-and-adhd-risk-in-children-current-knowledge
#4
Takoua Boukhris
Antidepressants (ADs) are among the most frequently used medications in pregnancy. ADs can cross the placental barrier (Rampono et al. Pharmacopsychiatry 2009;42(3):95-100, Loughhead et al. Biol Psychiatry 2006;59(3):287-90), resulting in a dysfunction of the serotonergic and norepinephrine systems, which could cause inattention or hyperactivity-impulsivity behaviors as exhibited in ADHD. Several epidemiological studies have investigated the potential link between AD exposure during pregnancy and the risk of attention deficit disorder with/without hyperactivity (ADHD) in children...
January 9, 2018: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29314050/what-does-the-dot-probe-task-measure-a-reverse-correlation-analysis-of-electrocortical-activity
#5
Nina N Thigpen, L Forest Gruss, Steven Garcia, David R Herring, Andreas Keil
The dot-probe task is considered a gold standard for assessing the intrinsic attentive selection of one of two lateralized visual cues, measured by the response time to a subsequent, lateralized response probe. However, this task has recently been associated with poor reliability and conflicting results. To resolve these discrepancies, we tested the underlying assumption of the dot-probe task-that fast probe responses index heightened cue selection-using an electrophysiological measure of selective attention...
January 3, 2018: Psychophysiology
https://www.readbyqxmd.com/read/29312813/domestic-carnivore-interactions-with-wildlife-in-the-cape-horn-biosphere-reserve-chile-husbandry-and-perceptions-of-impact-from-a-community-perspective
#6
Elke Schüttler, Lorena Saavedra-Aracena, Jaime E Jiménez
Background: Hundreds of millions of domestic carnivores worldwide have diverse positive affiliations with humans, but can provoke serious socio-ecological impacts when free-roaming. Unconfined dogs (Canis familiaris) and cats (Felis catus) interact with wildlife as predators, competitors, and disease-transmitters; their access to wildlife depends on husbandry, perceptions, attitudes, and behaviors of pet owners and non-owners. Methods: To better understand husbandry and perceptions of impacts by unconfined, domestic carnivores, we administered questionnaires (n = 244) to pet owners and non-owners living in one of the last wilderness areas of the world, the Cape Horn Biosphere Reserve, located in southern Chile...
2018: PeerJ
https://www.readbyqxmd.com/read/29306838/socially-shared-cognition-and-consensus-in-small-groups
#7
REVIEW
John M Levine
This paper reviews recent work on socially-shared cognition in small groups. Major attention is devoted to the impact of information and preference sharing on the achievement of group consensus and the consequences of consensus (and dissensus) for the group and its members. The literature is organized in terms of the task context in which sharing occurs (i.e., group problem-solving/decision-making tasks vs. group-productivity tasks). Topics covered include information sharing in hidden-profile situations, regulation of socio-cognitive conflict, shared mental models, transactive memory systems, and group discussions involving collective action...
December 14, 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/29305746/verbal-and-nonverbal-anticipatory-mechanisms-in-bilinguals
#8
Lorenzo Desideri, Paola Bonifacci
Empirical evidence collected so far has revealed that the bilingual advantage cannot be reduced to a single component of the executive functioning, and point to the need to understand the effects of bilingual experience on cognition as influencing a wider family of mental processes, including, but not limited to, cognitive control. The present study aims to explore a relatively underinvestigated domain of bilingual cognitive processes, namely anticipation, through a series of different paradigms tapping proactive and reactive mechanisms at different levels of cognitive complexity and linguistic components...
January 5, 2018: Journal of Psycholinguistic Research
https://www.readbyqxmd.com/read/29302907/the-effects-of-different-aeration-strategies-on-the-performance-of-constructed-wetlands-for-phosphorus-removal
#9
Huma Ilyas, Ilyas Masih
The effects of different aeration methods such as tidal flow (TF), effluent recirculation (ER), and artificial aeration (AA) on the performance of vertical-flow constructed wetland (VFCW), horizontal-flow constructed wetland (HFCW), and hybrid constructed wetland (HCW) are extensively and critically evaluated in this review paper. Aerated constructed wetlands (CWs) demonstrate superior performance compared with non-aerated systems. The removal of total phosphorus (TP) showed substantial variation among different types of CWs and aeration strategies, with mean and standard deviation of 68 ± 20% estimated from all reviewed studies on aerated systems...
January 4, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29280107/neural-response-to-working-memory-demand-predicts-neurocognitive-deficits-in-hiv
#10
Ronald A Cohen, S Siegel, J M Gullett, E Porges, A J Woods, H Huang, Y Zhu, K Tashima, M-Z Ding
Human immunodeficiency virus (HIV) continues to have adverse effects on cognition and the brain in many infected people, despite a reduced incidence of HIV-associated dementia with combined antiretroviral therapy (cART). Working memory is often affected, along with attention, executive control, and cognitive processing speed. Verbal working memory (VWM) requires the interaction of each of the cognitive component processes along with a phonological loop for verbal repetition and rehearsal. HIV-related functional brain response abnormalities during VWM are evident in functional MRI (fMRI), though the neural substrate underlying these neurocognitive deficits is not well understood...
December 26, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/29278351/controversies-surrounding-authorship-of-manuscripts-by-industry-employees-academic-and-industry-perspectives
#11
Nathaniel R Smilowitz, James J Ferguson, Giora Weisz
AIMS: The medical device and pharmaceutical industries play an essential role in the development of cardiovascular devices and drugs, and industry employees are frequently listed as co-authors of clinical trials published in peer-reviewed journals. Potential conflicts of interest in biomedical research have attracted significant attention in recent years, but issues and challenges surrounding authors who are industry employees have not received nearly as much scrutiny. METHODS AND RESULTS: We present a comprehensive discussion of the concerns and challenges regarding the role of industry in the authorship of scientific manuscripts...
December 26, 2017: EuroIntervention
https://www.readbyqxmd.com/read/29262304/effects-of-central-and-peripheral-cueing-on-perceptual-and-saccade-performance
#12
Tobias Moehler, Katja Fiehler
Previous research on the spatiotemporal dynamics of exogenous and endogenous attentional allocation during saccade preparation yielded conflicting results. We hypothesize that this can be explained by the cueing type used to orient attention in a perceptual task. We investigated the time-course of attentional allocation as a function of cueing type (central vs peripheral), spatial congruency of the cued perceptual and saccade task locations, and cue validity in a dual-task paradigm. Participants performed a visual discrimination task during saccade preparation...
December 17, 2017: Vision Research
https://www.readbyqxmd.com/read/29260316/game-based-training-of-flexibility-and-attention-improves-task-switch-performance-near-and-far-transfer-of-cognitive-training-in-an-eeg-study
#13
Kerwin J F Olfers, Guido P H Band
There is a demand for ways to enhance cognitive flexibility, as it can be a limiting factor for performance in daily life. Video game training has been linked to advantages in cognitive functioning, raising the question if training with video games can promote cognitive flexibility. In the current study, we investigated if game-based computerized cognitive training (GCCT) could enhance cognitive flexibility in a healthy young adult sample (N = 72), as measured by task-switch performance. Three GCCT schedules were contrasted, which targeted: (1) cognitive flexibility and task switching, (2) attention and working memory, or (3) an active control involving basic math games, in twenty 45-min sessions across 4-6 weeks...
December 20, 2017: Psychological Research
https://www.readbyqxmd.com/read/29246813/simultaneous-eeg-fmri-reveals-attention-dependent-coupling-of-early-face-processing-with-a-distributed-cortical-network
#14
Mareike Bayer, Michael T Rubens, Tom Johnstone
The speed of visual processing is central to our understanding of face perception. Yet the extent to which early visual processing influences later processing in distributed face processing networks, and the top-down modulation of such bottom-up effects, remains unclear. We used simultaneous EEG-fMRI to investigate cortical activity that showed unique covariation with ERP components of face processing (C1, P1, N170, P3), while manipulating sustained attention and transient cognitive conflict employing an emotional face-word Stroop task...
December 12, 2017: Biological Psychology
https://www.readbyqxmd.com/read/29246120/depressive-symptoms-and-negative-life-events-what-psycho-social-factors-protect-or-harm-left-behind-children-in-china
#15
Yu Guang, Zhengzhi Feng, Guoyu Yang, Yaling Yang, Lifei Wang, Qin Dai, Chaobing Hu, Keyu Liu, Rui Zhang, Fan Xia, Mengxue Zhao
BACKGROUND: In China, children under 18 years old who are left at rural residences for at least 6 months by either one or both of their parents migrating to work in cities are called "left-behind children (LBC)". Due to restricted family support, they are at a greater risk of developing depressive symptoms than non-left-behind children (NLBC). The objective of this study is to explore how depressive symptoms and stress induced by negative life events such as interpersonal conflicts, punishment and loss, as well as their relationships vary for LBC with different left-behind-related characteristics...
December 15, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/29243299/antidepressant-use-during-pregnancy-and-the-risk-of-attention-deficit-hyperactivity-disorder-in-the-children-a-meta-analysis-of-cohort-studies
#16
Hai-Yin Jiang, Chun-Ting Peng, Xue Zhang, Bing Ruan
BACKGROUND: Evidence for the relationship between antidepressant use during pregnancy and the risk of attention-deficit/hyperactivity disorder (ADHD) in the children is conflicting. OBJECTIVE: To assess the association between fetal exposure to antidepressant drugs and the subsequent development of ADHD. SEARCH STRATEGY: A systematic literature search was conducted in PubMed, EMBASE, PsycINFO, and CINAHL databases to identify relevant cohort studies published from inception until October 2017...
December 15, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29239636/time-varying-associations-of-parent-adolescent-cultural-conflict-and-youth-adjustment-among-chinese-american-families
#17
Linda P Juang, Yang Hou, Sara Douglass Bayless, Su Yeong Kim
The purpose of this study was to examine time-varying associations of parent-adolescent cultural conflict with depressive symptoms and grade point average (GPA) among Chinese Americans from ages 11-22. We pooled two independently collected longitudinal data sets (N = 760 at Wave 1) and used time-varying effect modeling (TVEM) to show that the frequency of parent-adolescent conflict increased during early adolescence (12 years), peaked at mid adolescence (16 years), and gradually decreased throughout late adolescence and young adulthood...
December 14, 2017: Developmental Psychology
https://www.readbyqxmd.com/read/29239566/mapping-displaced-populations-with-reference-to-social-vulnerabilities-for-post-disaster-public-health-management
#18
Junaid Ahmad, Anees Ahmad, Mokbul Morshed Ahmad, Nafees Ahmad
Millions of people are currently displaced from their homes because of local and international conflicts. In the last two decades, a substantial increase in the number of displaced people has been recorded. We measured the social vulnerabilities of displaced populations using a mathematical approach in combination with application of geographical information systems (GIS) tools and techniques to visualise movement and draw attention to the location of significant concentration of vulnerabilities. A retrospective study approach based on datasets collected from governmental and non-governmental organisations working with refugees and internally displaced persons in Pakistan was used...
November 27, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239191/-advances-in-immunotherapy-of-malignant-melanoma
#19
I Krajsová
Development of immunotherapy has dramatically changed poor prognosis of metastatic malignant melanoma (MM). Inhibition of immune checkpoints represents a new effective treatment. Monoclonal antibodies against CTLA-4 ipilimumab and against PD-1 (programme death 1) nivolumab and pembrolizumab prolong progression free survival and overall survival (OS) in patients with advanced metastatic MM. Both achieved significant improvement in relapse-free survival and OS also in adjuvant setting. It looks like the efficacy of the combined immunotherapy of ipilimumab with anti-PD-1 antibodies is superior to the monotherapy, but combined therapy is accompanied by higher toxicity...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/29236882/narratives-of-family-members-on-the-suicide-of-older-adults-in-an-amazonian-metropolis
#20
André Luis Sales da Costa, Maximiliano Loiola Ponte de Souza
OBJECTIVE: To analyze the narratives of family members on the suicide of older adults in Manaus, State of Amazonas, Brazil. METHODS: This is a qualitative study of the narratives of eight older adults, who committed suicide in the period of 2001-2012. In the analytic-interpretative process, we have tried to perform the hermeneutic double exercise: to interpret the interpretation of narrators. We have used as theoretical references authors who have investigated suicide from the perspective of gender and its correlations with the sociofamiliar context and with mental disorders...
December 11, 2017: Revista de Saúde Pública
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