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https://www.readbyqxmd.com/read/28655166/communication-in-multiple-sclerosis-pragmatic-deficit-and-its-relation-with-cognition-and-social-cognition
#1
Antonio Carotenuto, Giorgio Arcara, Giuseppe Orefice, Ilaria Cerillo, Valentina Giannino, Mario Rasulo, Rosa Iodice, Valentina Bambini
Objective: Cognitive functions have been largely investigated in multiple sclerosis. Less attention has been paid to social communication abilities, despite their presumptive affect on quality of life. We run the first comprehensive assessment of pragmatic skills in multiple sclerosis, evaluating also the relationship between pragmatics and other cognitive domains. Methods: Forty-two multiple sclerosis patients and 42 controls were tested for pragmatic abilities, neuro-cognition, social cognition, depression, and fatigue...
June 26, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28653884/photobiomodulation-of-breast-and-cervical-cancer-stem-cells-using-low-intensity-laser-irradiation
#2
N E Kiro, M R Hamblin, H Abrahamse
Breast and cervical cancers are dangerous threats with regard to the health of women. The two malignancies have reached the highest record in terms of cancer-related deaths among women worldwide. Despite the use of novel strategies with the aim to treat and cure advanced stages of cancer, post-therapeutic relapse believed to be caused by cancer stem cells is one of the challenges encountered during tumor therapy. Therefore, further attention should be paid to cancer stem cells when developing novel anti-tumor therapeutic approaches...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28648949/welding-related-brain-and-functional-changes-in-welders-with-chronic-and-low-level-exposure
#3
Eun-Young Lee, Michael R Flynn, Mechelle M Lewis, Richard B Mailman, Xuemei Huang
Although an essential nutrient, manganese (Mn) can be toxic at high doses. There is, however, uncertainty regarding the effects of chronic low-level Mn-exposure. This review provides an overview of Mn-related brain and functional changes based on studies of a cohort of asymptomatic welders who had lower Mn-exposure than in most previous work. In welders with low-level Mn-exposure, we found: 1) Mn may accumulate in the brain in a non-linear fashion: MRI R1 (1/T1) signals significantly increased only after a critical level of exposure was reached (e...
June 22, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28647546/a-review-of-the-effects-of-very-low-nicotine-content-cigarettes-on-behavioral-and-cognitive-performance
#4
Diana R Keith, Allison N Kurti, Danielle R Davis, Ivori A Zvorsky, Stephen T Higgins
The present systematic review examines whether very low nicotine content (VLNC) cigarettes ameliorate withdrawal-induced impairments in behavioral/cognitive performance. PubMed, PsycInfo, and Web of Science were searched for performance effects of VLNC cigarettes. For inclusion, reports had to be in English, published in a peer-reviewed journal through June 2017, examine VLNC cigarettes (<0.2mg nicotine yield), include ≥2hour smoking abstinence or reduced nicotine exposure, and examine performance. 19 of 1243 articles reviewed met inclusion criteria...
June 21, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28647493/associations-between-the-dbh-gene-plasma-dopamine-%C3%AE-hydroxylase-activity-and-cognitive-measures-in-han-chinese-patients-with-schizophrenia
#5
Zuoli Sun, Yun Ma, Wenbiao Li, Jing He, Jun Li, Xue Yang, Peixian Mao, Joseph F Cubells, Yilang Tang
The dopamine (DA) and norepinephrine (NE) systems modulate cognitive function. Dopamine β-hydroxylase (DβH) converts DA to NE, and its activity is under strong genetic control. This study examines the association of plasma DβH (pDβH) activity, DBH gene polymorphisms (-1021C>T, rs1611115 and 444G>A, rs1108580) and cognitive deficits in Han Chinese patients with schizophrenia. We assessed pDβH activity and cognitive function using the Verbal Fluency Test (VFT), Trail Making Test (TMT) A-B, Stroop color-word test and Wisconsin Card Sorting Test (WCST) in 200 patients with schizophrenia before and after 8weeks of antipsychotic treatment (96 patients completed assessments at baseline and post-treatment)...
June 21, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28646791/disorganised-schizotypy-is-selectively-associated-with-poorer-semantic-processing-in-non-clinical-individuals
#6
Eric Josiah Tan, Susan Lee Rossell
The nature and severity of semantic memory (SM) impairments in schizophrenia has been related to symptoms, mainly formal thought disorder (FTD), and other clinical factors like length of illness. Symptom-related studies in schizophrenia are often confounded by clinical factors, for example medication and hospitalisations. We completed a schizotypy analogue study to examine the relationship between SM processing and FTD using an analogue schizotypy score referred to as cognitive disorganisation. Sixty individuals without a history of mental illness (M=22...
June 20, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28646350/abnormal-rich-club-organization-associated-with-compromised-cognitive-function-in-patients-with-schizophrenia-and-their-unaffected-parents
#7
Xin Zhao, Lin Tian, Jun Yan, Weihua Yue, Hao Yan, Dai Zhang
Schizophrenia is considered to be a disorder of brain connectivity, which might result from a disproportionally impaired rich-club organization. The rich-club is composed of highly interconnected hub regions that play crucial roles in integrating information between different brain regions. Few studies have yet investigated whether the structural rich-club organization is impaired in patients and their first-degree relatives. In this study, we established a weighted network model of white matter connections using diffusion tensor imaging of 19 patients and 39 unaffected parents, 22 young healthy controls for the patients, and 25 old healthy controls for the parents...
June 23, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28645229/cognitive-function-in-early-psychosis-patients-from-a-lower-middle-income-country
#8
Muhammed Omair Husain, Imran B Chaudhry, Rachel Thomasson, Tayyeba Kiran, Paul Bassett, Muhammad I Husain, Farooq Naeem, Nusrat Husain
OBJECTIVES: To establish evidence of cognitive changes in early psychosis (EP) patients compared to healthy controls (HC) in Pakistan. METHODS: Fifty-one participants with EP were recruited from psychiatric units in Karachi and Rawalpindi, Pakistan and matched with 51 HC. Neurocognitive domains were assessed using standardised neuropsychological tests [the Stroop test, block design, Matrix Reasoning, picture completion, object assembly, oral fluency, memory for design, Coughlan learning task (verbal and visual)]...
June 23, 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/28645192/frequent-sexual-activity-predicts-specific-cognitive-abilities-in-older-adults
#9
Hayley Wright, Rebecca A Jenks, Nele Demeyere
Objectives: This study replicates and extends the findings of previous research (Wright, H., & Jenks, R. A. (2016). Sex on the brain! Associations between sexual activity and cognitive function in older age. Age and Ageing, 45, 313-317. doi:10.1093/ageing/afv197) which found a significant association between sexual activity (SA) and cognitive function in older adults. Specifically, this study aimed to generalize these findings to a range of cognitive domains, and to assess whether increasing SA frequency is associated with increasing scores on a variety of cognitive tasks...
June 21, 2017: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/28644105/time-course-analyses-of-orthographic-and-phonological-priming-effects-in-developing-readers
#10
M H T Zeguers, H M Huizenga, M W van der Molen, P Snellings
It has been assumed that fluent reading requires efficient integration of orthographic and phonological codes. However, it is thus far unclear how this integration process develops when children learn to become fluent readers. Therefore, we used masked priming to investigate time courses of orthographic and phonological code activation in children at incremental levels of reading development (2nd, 4th and 6th grade). The first study used targets with small phonological differences between phonological and orthographic primes, which are typical in transparent orthographies...
June 23, 2017: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/28641221/a-curse-of-knowledge-in-the-absence-of-knowledge-people-misattribute-fluency-when-judging-how-common-knowledge-is-among-their-peers
#11
Susan A J Birch, Patricia E Brosseau-Liard, Taeh Haddock, Siba E Ghrear
Knowledge can be a curse: Once we have acquired a particular item of knowledge it tends to bias, or contaminate, our ability to reason about a less informed perspective (referred to as the 'curse of knowledge' or 'hindsight bias'). The mechanisms underlying the curse of knowledge bias are a matter of great import and debate. We highlight two mechanisms that have been proposed to underlie this bias-inhibition and fluency misattribution. Explanations that involve inhibition argue that people have difficulty fully inhibiting or suppressing the content of their knowledge when trying to reason about a less informed perspective...
June 19, 2017: Cognition
https://www.readbyqxmd.com/read/28639821/perceived-discrimination-associations-with-physical-and-cognitive-function-in-older-adults
#12
Aparna Shankar, Petra Hinds
OBJECTIVES: Perceived discrimination has been associated with poor physical and psychological health. There is limited research examining perceived discrimination in older adults, and its effects on health in later life. The aim of this study is to extend research in this area by examining longitudinal associations between reported everyday discrimination and physical and cognitive function in older adults. METHOD: The present study uses a national sample of 4,886 community-dwelling individuals aged 60 years and older from the English Longitudinal Study of Ageing...
June 22, 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28639797/the-dark-side-of-fluency-fluent-names-increase-drug-dosing
#13
Simone Dohle, Amanda K Montoya
Prior research has demonstrated that high processing fluency influences a wide range of evaluations and behaviors in a positive way. But can high processing fluency also lead to potentially hazardous medical behavior? In 2 controlled experiments, we demonstrate that increasing the fluency of pharmaceutical drug names increases drug dosage. Experiment 1 shows that drugs with fluent names are perceived as safer than those with disfluent names and this effect increases drug dosage for both synthetically produced and herbal drugs...
June 22, 2017: Journal of Experimental Psychology. Applied
https://www.readbyqxmd.com/read/28637054/modeling-alphabet-skills-as-instructive-feedback-within-a-phonological-awareness-intervention
#14
Arnold Olszewski, Xigrid Soto, Howard Goldstein
Purpose: This study evaluated the efficacy of an instructive feedback strategy for modeling letter names and sounds during presentation of positive feedback within a small-group phonological awareness intervention for preschoolers. Method: Two experiments were conducted using multiple-baseline designs across children and behaviors. Letter name and sound identification and performance on a phonological awareness fluency measure served as the primary outcome variables...
June 22, 2017: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/28633958/small-talk-identifying-communication-problems-in-maltreated-children
#15
M Frederico, A L Jackson, C M Black, A Cox, B Joffe
Development of speech and language is rapid in early years, yet if developmental problems in speech and language are not addressed they are likely to continue and impact negatively on a child's overall development and their life trajectory. Children who have experienced abuse and or neglect are particularly vulnerable. The aim of this study was to develop a tool to assist in identifying a child's need for assessment by a speech pathologist so that there could be early identification of problems. A culturally sensitive tool was developed to be completed by the child's carer included questions on language, speech and hearing, voice, fluency, understanding sentences, vocabulary and expression...
June 17, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28632521/verbal-and-figural-fluency-in-temporal-lobe-epilepsy-does-hippocampal-sclerosis-affect-performance
#16
Ioannis Zalonis, Foteini Christidi, Artemios Artemiadis, Constantinos Psarros, George Papadopoulos, George Tsivgoulis, Stergios Gatzonis, Anna Siatouni, Georgios Velonakis, Efstratios Karavasilis, Evangelia Kararizou, Nikolaos Triantafyllou
BACKGROUND AND OBJECTIVES: Clinicians commonly use verbal and nonverbal measures to test fluency in patients with epilepsy, either during routine cognitive assessment or as part of pre- and postsurgical evaluation. We hypothesized that patients with mesial temporal lobe epilepsy (TLE) with hippocampal sclerosis would perform worse than patients with lateral TLE in both verbal and design fluency. METHODS: We assessed semantic, phonemic, and nonverbal fluency in 49 patients with TLE: 31 with lateral TLE and 18 with mesial TLE plus hippocampal sclerosis...
June 2017: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/28632098/utility-and-accuracy-of-perceptual-voice-and-speech-distinctions-in-the-diagnosis-of-parkinson-s-disease-psp-and-msa-p
#17
Nick Miller, Uma Nath, Emma Noble, David Burn
AIM: To determine if perceptual speech measures distinguish people with Parkinson's disease (PD), multiple system atrophy with predominant parkinsonism (MSA-P) and progressive supranuclear palsy (PSP). METHODS: Speech-language therapists blind to patient characteristics employed clinical rating scales to evaluate speech/voice in 24 people with clinically diagnosed PD, 17 with PSP and 9 with MSA-P, matched for disease duration (mean 4.9 years, standard deviation 2...
June 20, 2017: Neurodegenerative Disease Management
https://www.readbyqxmd.com/read/28632037/construct-and-concurrent-validity-of-the-cambridge-neuropsychological-automated-tests-in-portuguese-older-adults-without-neuropsychiatric-diagnoses-and-with-alzheimer-s-disease-dementia
#18
Marta Matos Gonçalves, Maria Salomé Pinho, Mário R Simões
We aimed to analyze the construct and concurrent validity of the Rapid Visual Information Processing (RVP), Paired Associates Learning (PAL), Reaction Time (RTI), and Spatial Working Memory (SWM) tests from the Cambridge Neuropsychological Test Automated Battery (CANTAB®). Inclusion criteria were checked in a first session. The CANTAB and additional pencil-and-paper tests were administered within 1 week. The participants (aged 69-96 years) were 137 Portuguese adults without neuropsychiatric diagnoses and 37 adults with mild-to-moderate Alzheimer's disease dementia...
February 28, 2017: Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition
https://www.readbyqxmd.com/read/28630377/effects-of-cognitive-reserve-depend-on-executive-and-semantic-demands-of-the-task
#19
R Ryan Darby, Michael Brickhouse, David A Wolk, Bradford C Dickerson
BACKGROUND: Cognitive reserve (CR) is one factor that helps to maintain cognitive function in patients with Alzheimer's disease (AD). Whether the effects of CR depend on the semantic/executive components of the task remains unknown. METHODS: 470 patients (138 with AD, 332 with mild cognitive impairment (MCI)) were selected from the Alzheimer's Disease Neuroimaging Initiative database. Linear regression models were used to determine the effects of CR (years of education) on cognitive performance after controlling for demographic factors and regional cortical atrophy...
June 19, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28629965/%C3%A2-cortical-atrophy-is-associated-with-accelerated-cognitive-decline-in-mild-cognitive-impairment-with-subsyndromal-depression
#20
Mitzi M Gonzales, Philip S Insel, Craig Nelson, Duygu Tosun, Niklas Mattsson, Susanne G Mueller, Simona Sacuiu, David Bickford, Michael W Weiner, R Scott Mackin
OBJECTIVES: To investigate the association between cognitive decline and cortical atrophy in individuals with mild cognitive impairment (MCI) and chronic subsyndromal symptoms of depression (SSD) over a 4-year period. DESIGN: Prospective cohort study. SETTING: Multicenter, clinic-based. PARTICIPANTS: Within the Alzheimer's Disease Neuroimaging Initiative repository, the Neuropsychiatric Inventory was used to identify individuals with MCI and stable endorsement (SSD group N = 32) or no endorsement (non-SSD group N = 69) of depressive symptoms across time points...
April 20, 2017: American Journal of Geriatric Psychiatry
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