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https://www.readbyqxmd.com/read/27913085/anti-n-methyl-d-aspartate-receptor-encephalitis-and-rasmussen-like-syndrome-an-association
#1
Kevin Gurcharran, Shefali Karkare
BACKGROUND: N-methyl-D-aspartate (NMDA) receptor encephalitis is an immune-mediated condition that has a broad spectrum of manifestations, including seizures, coma, psychosis, and focal neurological deficits. Although usually a diffuse process, unihemispheric involvement mimicking early stages of Rasmussen encephalitis can occur. Rasmussen's encephalitis is a unique syndrome characterized by progressive hemiplegia, drug-resistant focal epilepsy, cognitive decline, and hemispheric brain atrophy contralateral to the hemiplegia...
October 11, 2016: Pediatric Neurology
https://www.readbyqxmd.com/read/27911295/efficacy-and-safety-of-plasma-exchange-with-5-albumin-to-modify-cerebrospinal-fluid-and-plasma-amyloid-%C3%AE-concentrations-and-cognition-outcomes-in%C3%A2-alzheimer-s-disease-patients-a%C3%A2-multicenter-randomized-controlled-clinical-trial
#2
Mercè Boada, Fernando Anaya, Pilar Ortiz, Javier Olazarán, Joshua R Shua-Haim, Thomas O Obisesan, Isabel Hernández, Joan Muñoz, Mar Buendia, Montserrat Alegret, Asunción Lafuente, Lluís Tárraga, Laura Núñez, Mireia Torres, Joan Ramon Grifols, Isidre Ferrer, Oscar L Lopez, Antonio Páez
BACKGROUND: Studies conducted in animal models and humans suggest the presence of a dynamic equilibrium of amyloid-β (Aβ) peptide between cerebrospinal fluid (CSF) and plasma compartments. OBJECTIVE: To determine whether plasma exchange (PE) with albumin replacement was able to modify Aβ concentrations in CSF and plasma as well as to improve cognition in patients with mild-moderate Alzheimer's disease (AD). METHODS: In a multicenter, randomized, patient- and rater-blind, controlled, parallel-group, phase II study, 42 AD patients were assigned (1 : 1) to PE treatment or control (sham) groups...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27908343/a%C3%AE-amyloid-pathology-affects-the-hearts-of-patients%C3%A2-with%C3%A2-alzheimer-s-disease-mind%C3%A2-the-heart
#3
Luca Troncone, Marco Luciani, Matthew Coggins, Elissa H Wilker, Cheng-Ying Ho, Kari Elise Codispoti, Matthew P Frosch, Rakez Kayed, Federica Del Monte
BACKGROUND: Individually, heart failure (HF) and Alzheimer's disease (AD) are severe threats to population health, and their potential coexistence is an alarming prospect. In addition to sharing analogous epidemiological and genetic profiles, biochemical characteristics, and common triggers, the authors recently recognized common molecular and pathological features between the 2 conditions. Whereas cognitive impairment has been linked to HF through perfusion defects, angiopathy, and inflammation, whether patients with AD present with myocardial dysfunction, and if the 2 conditions bear a common pathogenesis as neglected siblings are unknown...
December 6, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27905859/baseline-neurocognitive-performance-and-clearance-for-athletes-to-return-to-contact
#4
Breton M Asken, James R Clugston, Aliyah R Snyder, Russell M Bauer
CONTEXT:  Computerized neurocognitive assessments are commonly used to manage sport-related concussion. Variations in baseline performance may influence neurocognitive performance after injury as well as the amount of time needed for an athlete to be cleared for return to sport participation. OBJECTIVE:  To investigate the relationship between mean baseline Immediate Post-Concussion Assessment and Cognitive Test (ImPACT) scores and postconcussion reliable decline as well as the association between postconcussion cognitive decline and days missed after injury...
December 1, 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27903328/cognitive-and-behavioral-functioning-in-childhood-acquired-demyelinating-syndromes
#5
Christine Till, Austin Noguera, Leonard H Verhey, Julia O'Mahony, E Ann Yeh, Jean K Mah, Katia J Sinopoli, Brian L Brooks, Berengere Aubert-Broche, D Louis Collins, Sridar Narayanan, Douglas L Arnold, Brenda L Banwell
OBJECTIVES: The aim of this study was to describe cognitive, academic, and psychosocial outcomes after an incident demyelinating event (acquired demyelinating syndromes, ADS) in childhood and to investigate the contribution of brain lesions and confirmed MS diagnosis on outcome. METHODS: Thirty-six patients with ADS (mean age=12.2 years, SD=2.7, range: 7-16 years) underwent brain MRI scans at presentation and at 6-months follow-up. T2-weighted lesions on MRI were assessed using a binary classification...
November 2016: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/27899890/causal-role-of-thalamic-interneurons-in-brain-state-transitions-a-study-using-a-neural-mass-model-implementing-synaptic-kinetics
#6
Basabdatta Sen Bhattacharya, Thomas P Bond, Louise O'Hare, Daniel Turner, Simon J Durrant
Experimental studies on the Lateral Geniculate Nucleus (LGN) of mammals and rodents show that the inhibitory interneurons (IN) receive around 47.1% of their afferents from the retinal spiking neurons, and constitute around 20-25% of the LGN cell population. However, there is a definite gap in knowledge about the role and impact of IN on thalamocortical dynamics in both experimental and model-based research. We use a neural mass computational model of the LGN with three neural populations viz. IN, thalamocortical relay (TCR), thalamic reticular nucleus (TRN), to study the causality of IN on LGN oscillations and state-transitions...
2016: Frontiers in Computational Neuroscience
https://www.readbyqxmd.com/read/27899753/temporal-evolution-of-poststroke-cognitive-impairment-using-the-montreal-cognitive-assessment
#7
Britta Nijsse, Johanna M A Visser-Meily, Maria L van Mierlo, Marcel W M Post, Paul L M de Kort, Caroline M van Heugten
BACKGROUND AND PURPOSE: The Montreal Cognitive Assessment (MoCA) is nowadays recommended for the screening of poststroke cognitive impairment. However, little is known about the temporal evolution of MoCA-assessed cognition after stroke. The objective of this study was to examine the temporal pattern of overall and domain-specific cognition at 2 and 6 months after stroke using the MoCA and to identify patient groups at risk for cognitive impairment at 6 months after stroke. METHODS: Prospective cohort study in which 324 patients were administered the MoCA at 2 and 6 months post stroke...
November 29, 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27899478/one-year-prospective-study-on-the-presence-of-chronic-diseases-and-subsequent-cognitive-decline-in-older-adults
#8
Hamzah Bakouni, Samantha Gontijo Guerra, Veronica Chudzinski, Djamal Berbiche, Helen-Maria Vasiliadis
BACKGROUND: The literature is inconsistent regarding the effect of the presence of chronic physical and mental diseases on cognitive decline in older adults. The objectives of this study were to explore the effect of chronic diseases on subsequent cognitive decline assessed via the Mini Mental State Examination (MMSE) in community living older adults. METHODS: We used data from individuals (n = 2010) participating in the ESA (Étude sur la Santé des Aînés) study...
November 29, 2016: Journal of Public Health
https://www.readbyqxmd.com/read/27895610/the-origin-of-social-evaluation-social-eavesdropping-reputation-formation-image-scoring-or-what-you-will
#9
REVIEW
Judit Abdai, Ádám Miklósi
Social evaluation is a mental process that leverages the preference toward prosocial partners (positivity bias) against the avoidance of antisocial individuals (negativity bias) in a cooperative context. The phenomenon is well-known in humans, and recently comparative investigations looked at the possible evolutionary origins. So far social evaluation has been investigated mainly in non-human and human primates and dogs, however, there are few data on the presence of negativity/positivity bias in client-cleaner reef fish interactions as well...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27895004/predictors-of-vascular-cognitive-impairment-poststroke-in-a-middle-eastern-bahrain-cohort-a-proposed-case-control-comparison
#10
Claire Donnellan, Mona Al Banna, Noor Redha, Adel Al Jishi, Isa Al Sharoqi, Safa Taha, Moiz Bakhiet, Fatema Abdulla, Patrick Walsh
BACKGROUND: Poststroke dementia and cognitive impairment are associated with poor long-term outcomes after stroke. The contribution of genetic factors such as the presence of apolipoprotein (ApoE) ɛ4 allele and its association with cognitive impairment poststroke remains inconclusive, particularly in Middle Eastern regions. OBJECTIVE: The aim of this study is to examine all correlates and potential predictors of cognitive impairment including self-awareness and regulation deficits in stroke patients and compare these functions with healthy older adults from a Middle Eastern population...
November 28, 2016: JMIR Research Protocols
https://www.readbyqxmd.com/read/27894273/prevalence-of-non-febrile-seizures-in-children-with-idiopathic-autism-spectrum-disorder-and-their-unaffected-siblings-a-retrospective-cohort-study
#11
Lena M McCue, Louise H Flick, Kimberly A Twyman, Hong Xian, Thomas E Conturo
BACKGROUND: Autism spectrum disorder (ASD) is a heterogeneous disorder characterized not only by deficits in communication and social interactions but also a high rate of co-occurring disorders, including metabolic abnormalities, gastrointestinal and sleep disorders, and seizures. Seizures, when present, interfere with cognitive development and are associated with a higher mortality rate in the ASD population. METHODS: To determine the relative prevalence of non-febrile seizures in children with idiopathic ASD from multiplex and simplex families compared with the unaffected siblings in a cohort of 610 children with idiopathic ASD and their 160 unaffected siblings, participating in the Autism Genetic Resource Exchange project, the secondary analysis was performed comparing the life-time prevalence of non-febrile seizures...
November 28, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27894201/screening-for-cognitive-dysfunction-in-als-validation-of-the-edinburgh-cognitive-and-behavioural-als-screen-ecas-using-age-and-education-adjusted-normative-data
#12
Marta Pinto-Grau, Tom Burke, Katie Lonergan, Caroline McHugh, Iain Mays, Caoifa Madden, Alice Vajda, Mark Heverin, Marwa Elamin, Orla Hardiman, Niall Pender
BACKGROUND: Cognitive and behavioural changes are an important aspect in Amyotrophic Lateral Sclerosis (ALS). The Edinburgh Cognitive and Behavioural ALS Screen (ECAS) briefly assesses these changes in ALS. OBJECTIVE: To validate the ECAS against a standardised neuropsychological battery and assess its sensitivity and specificity using age and education adjusted cut-off scores. METHOD: 30 incident ALS cases were assessed on both, ECAS and neuropsychological battery...
November 28, 2016: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/27893859/hippocampal-calcification-on-computed-tomography-in-relation-to-cognitive-decline-in-memory-clinic-patients-a-case-control-study
#13
Remko Kockelkoren, Jill B De Vis, Willem P Th M Mali, Jeroen Hendrikse, Pim A de Jong, Annemieke M Rozemuller, Huiberdina L Koek
BACKGROUND: It was recently shown that calcification of the hippocampus can be detected on computed tomography (CT) images and these calcifications occur in up to 20% of people over 50 years of age. However, little is known about hippocampal calcification and its relation to cognition and cognitive decline. Therefore, the aim of this study was to (1) determine the prevalence of hippocampal calcification on CT in memory clinic patients controls, and (2) to assess its relation with cognitive decline...
2016: PloS One
https://www.readbyqxmd.com/read/27893260/brain-drain-an-examination-of-stereotype-threat-effects-during-training-on-knowledge-acquisition-and-organizational-effectiveness
#14
James A Grand
Stereotype threat describes a situation in which individuals are faced with the risk of upholding a negative stereotype about their subgroup based on their actions. Empirical work in this area has primarily examined the impact of negative stereotypes on performance for threatened individuals. However, this body of research seldom acknowledges that performance is a function of learning-which may also be impaired by pervasive group stereotypes. This study presents evidence from a 3-day self-guided training program demonstrating that stereotype threat impairs acquisition of cognitive learning outcomes for females facing a negative group stereotype...
November 28, 2016: Journal of Applied Psychology
https://www.readbyqxmd.com/read/27893174/is-there-a-relationship-between-objectively-measured-cognitive-changes-in-patients-with-solid-tumours-undergoing-chemotherapy-treatment-and-their-health-related-quality-of-life-outcomes-a-systematic-review
#15
REVIEW
Marie-Rose Dwek, Lorna Rixon, Catherine Hurt, Alice Simon, Stanton Newman
OBJECTIVE: This systematic review examines whether there is a relationship between objective measures of chemotherapy-related cognitive impairment in patients with solid cancer tumours and health related quality of life (HRQoL). METHODS: Multiple online databases were searched (including Ovid MEDLINE, EMBASE, PsycINFO, PsycARTICLES, CINAHL, PubMed and Web of Science) in order to identify articles published between 1980 and 2016 examining the extent of chemotherapy-related cognitive deficit and its relationship with HRQoL in cancer patients...
November 28, 2016: Psycho-oncology
https://www.readbyqxmd.com/read/27891188/associations-between-social-cognition-skills-and-function-and-subclinical-negative-and-positive-symptoms-in-22q11-2-deletion-syndrome
#16
A Vangkilde, J R M Jepsen, H Schmock, C Olesen, S Arnarsdóttir, W F C Baaré, K J Plessen, M Didriksen, H R Siebner, T Werge, L Olsen
BACKGROUND: Identification of the early signs of schizophrenia would be a major achievement for the early intervention and prevention strategies in psychiatry. Social impairments are defining features of schizophrenia. Impairments of individual layers of social competencies are frequently described in individuals with 22q11.2 deletion syndrome (22q11.2DS), who have high risk of schizophrenia. It is unclear whether and to what extent social impairments associate with subclinical negative and positive symptoms in 22q11...
2016: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/27890441/the-ability-for-cocaine-and-cocaine-associated-cues-to-compete-for-attention
#17
Kyle K Pitchers, Taylor R Wood, Cari J Skrzynski, Terry E Robinson, Martin Sarter
In humans, reward cues, including drug cues in addicts, are especially effective in biasing attention towards them, so much so they can disrupt ongoing task performance. It is not known, however, whether this happens in rats. To address this question, we developed a behavioral paradigm to assess the capacity of an auditory drug (cocaine) cue to evoke cocaine-seeking behavior, thus distracting thirsty rats from performing a well-learned sustained attention task (SAT) to obtain a water reward. First, it was determined that an auditory cocaine cue (tone-CS) reinstated drug-seeking equally in sign-trackers (STs) and goal-trackers (GTs), which otherwise vary in the propensity to attribute incentive salience to a localizable drug cue...
November 24, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27890007/a-current-perspective-on-the-inhibition-of-cholinesterase-by-natural-and-synthetic-inhibitors
#18
Anzer A Shah, Showkat A Ganie, Mohammad A Kamal, Tanveer Ali Dar
Majority of the observed cognitive and behavioral changes in Alzheimer's diseaseare postulated to be due to the deficiencies in cholinergic pathways of the brain. Enhancement of cholinergic transmission may thus stimulate the cholinergic receptors or prolong the availability of acetylcholine in synaptic cleft and hence improve the Alzheimer's disease associated symptoms. Of these two, the inhibition of cholinesterases (Acetylcholinesterase and Butyrylcholinesterase) by cholinesterase inhibitors is suggested to be a promising strategy...
November 23, 2016: Current Drug Metabolism
https://www.readbyqxmd.com/read/27889691/development-of-a-culturally-competent-service-to-improve-academic-functioning-for-latino-survivors-of-acute-lymphoblastic-leukemia-methodological-considerations
#19
Laura Bava, Alexis Johns, David R Freyer, Kathleen Ruccione
Many survivors of childhood acute lymphoblastic leukemia (ALL) develop neurocognitive deficits that compromise academic functioning, especially in the presence of sociodemographic risk factors. The extent to which these risk factors coexist for Latino ALL survivors is not well described, but with shifts in U.S. demographics and improved survival in ALL, culturally competent interventions are needed. The Achieving Best Cognitive Successes after Cancer service was designed and implemented by a team representing nursing, medicine, psychology, and social work...
November 25, 2016: Journal of Pediatric Oncology Nursing: Official Journal of the Association of Pediatric Oncology Nurses
https://www.readbyqxmd.com/read/27886712/a-sas-macro-for-the-joint-modeling-of-longitudinal-outcomes-and-multiple-competing-risk-dropouts
#20
Wei Wang, Wanmei Wang, Thomas H Mosley, Michael E Griswold
BACKGROUND AND OBJECTIVES: The joint modeling of longitudinal and survival data to assess effects of multiple informative dropout mechanisms on longitudinal outcomes inference has received considerable attention during recent years; related statistical programs to apply these methods have been lacking. This paper provides a SAS macro implementation of a shared parameter model to accommodate the analysis of longitudinal outcomes in the presence of multiple competing survival/dropout events...
January 2017: Computer Methods and Programs in Biomedicine
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