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Assessment short-term memory

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https://www.readbyqxmd.com/read/27908562/ontogeny-of-sensorimotor-gating-and-short-term-memory-processing-throughout-the-adolescent-period-in-rats
#1
Anja A Goepfrich, Chris M Friemel, Sabina Pauen, Miriam Schneider
Adolescence and puberty are highly susceptible developmental periods during which the neuronal organization and maturation of the brain is completed. The endocannabinoid (eCB) system, which is well known to modulate cognitive processing, undergoes profound and transient developmental changes during adolescence. With the present study we were aiming to examine the ontogeny of cognitive skills throughout adolescence in male rats and clarify the potential modulatory role of CB1 receptor signalling. Cognitive skills were assessed repeatedly every 10th day in rats throughout adolescence...
November 19, 2016: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/27902662/surveillance-a-nursing-intervention-for-improving-patient-safety-in-critical-care-environment
#2
Dale M Pfrimmer, Maren R Johnson, Martha L Guthmiller, Joanna L Lehman, Vickie K Ernste, Lori M Rhudy
BACKGROUND: Nursing surveillance has been identified as a key intervention in early recognition and prevention of errors/adverse events. Nursing Intervention Classification (NIC) defines surveillance as "the purposeful and ongoing acquisition, interpretation, and synthesis of patient data for clinical decision making." Because nurses are the main staffing constant in the critical care environment, the importance of surveillance as an intervention is fundamental. OBJECTIVE: The aim of this study was to explore how surveillance is expressed by critical care nurses...
January 2017: Dimensions of Critical Care Nursing: DCCN
https://www.readbyqxmd.com/read/27895577/fus1-ko-mouse-as-a-model-of-oxidative-stress-mediated-sporadic-alzheimer-s-disease-circadian-disruption-and-long-term-spatial-and-olfactory-memory-impairments
#3
Guillermo Coronas-Samano, Keeley L Baker, Winston J T Tan, Alla V Ivanova, Justus V Verhagen
Insufficient advances in the development of effective therapeutic treatments of sporadic Alzheimer's Disease (sAD) to date are largely due to the lack of sAD-relevant animal models. While the vast majority of models do recapitulate AD's hallmarks of plaques and tangles by virtue of tau and/or beta amyloid overexpression, these models do not reflect the fact that in sAD (unlike familial AD) these genes are not risk factors per se and that other mechanisms like oxidative stress, metabolic dysregulation and inflammation play key roles in AD etiology...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27891101/spatio-temporal-structure-path-characteristics-and-perceptual-grouping-in-immediate-serial-spatial-recall
#4
Carlo De Lillo, Melissa Kirby, Daniel Poole
Immediate serial spatial recall measures the ability to retain sequences of locations in short-term memory and is considered the spatial equivalent of digit span. It is tested by requiring participants to reproduce sequences of movements performed by an experimenter or displayed on a monitor. Different organizational factors dramatically affect serial spatial recall but they are often confounded or underspecified. Untangling them is crucial for the characterization of working-memory models and for establishing the contribution of structure and memory capacity to spatial span...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27886629/transient-epileptic-amnesia-over-twenty-years-long-term-follow-up-of-a-case-series-with-three-detailed-reports
#5
Sharon A Savage, Christopher R Butler, John R Hodges, Adam Z Zeman
PURPOSE: Transient Epileptic Amnesia (TEA) is a form of adult onset temporal lobe epilepsy characterised by ictal amnesia. The amnesic seizures are often accompanied by interical memory disturbance, involving autobiographical amnesia and accelerated long-term forgetting. Short-term follow-up studies suggest a relatively stable cognitive profile once treated, but recent case reports raise concerns regarding the risk of developing Alzheimer's disease (AD). The current study reports clinical and cognitive outcome in TEA patients over a 20-year period...
November 14, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27883911/examining-the-relationship-between-rapid-automatized-naming-and-arithmetic-fluency-in-chinese-kindergarten-children
#6
Jiaxin Cui, George K Georgiou, Yiyun Zhang, Yixun Li, Hua Shu, Xinlin Zhou
Rapid automatized naming (RAN) has been found to predict mathematics. However, the nature of their relationship remains unclear. Thus, the purpose of this study was twofold: (a) to examine how RAN (numeric and non-numeric) predicts a subdomain of mathematics (arithmetic fluency) and (b) to examine what processing skills may account for the RAN-arithmetic fluency relationship. A total of 160 third-year kindergarten Chinese children (83 boys and 77 girls, mean age=5.11years) were assessed on RAN (colors, objects, digits, and dice), nonverbal IQ, visual-verbal paired associate learning, phonological awareness, short-term memory, speed of processing, approximate number system acuity, and arithmetic fluency (addition and subtraction)...
November 21, 2016: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/27876444/the-functional-neuroanatomy-of-verbal-memory-in-alzheimer-s-disease-18-f-fluoro-2-deoxy-d-glucose-positron-emission-tomography-fdg-pet-correlates-of-recency-and-recognition-memory
#7
Adam M Staffaroni, Rebecca J Melrose, Lorraine P Leskin, Hannah Riskin-Jones, Dylan Harwood, Mark Mandelkern, David L Sultzer
INTRODUCTION: The objective of this study was to distinguish the functional neuroanatomy of verbal learning and recognition in Alzheimer's disease (AD) using the Consortium to Establish a Registry for Alzheimer's Disease (CERAD) Word Learning task. METHOD: In 81 Veterans diagnosed with dementia due to AD, we conducted a cluster-based correlation analysis to assess the relationships between recency and recognition memory scores from the CERAD Word Learning Task and cortical metabolic activity measured using [(18)F]-fluoro-2-deoxy-D-glucose positron emission tomography (FDG-PET)...
November 23, 2016: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/27876096/a-randomised-controlled-trial-of-the-effects-of-very-low-carbohydrate-and-high-carbohydrate-diets-on-cognitive-performance-in-patients-with-type-2-diabetes
#8
Jeannie Tay, Ian T Zajac, Campbell H Thompson, Natalie D Luscombe-Marsh, Vanessa Danthiir, Manny Noakes, Jonathan D Buckley, Gary A Wittert, Grant D Brinkworth
This study compared the longer-term effects of a very low-carbohydrate, high-fat diet with a high-carbohydrate, low-fat diet on cognitive performance in individuals with type 2 diabetes (T2D). In total, 115 obese adults with T2D (sixty-six males, BMI: 34·6 (sd 4·3) kg/m2, age: 58 (sd 7) years, HbA1c: 7·3 (sd 1·1) %, diabetes duration: 8 (sd 6) years) were randomised to consume either an energy-restricted, very low-carbohydrate, low-saturated-fat (LC) diet or an energy-matched high unrefined carbohydrate, low-fat (HC) diet with supervised aerobic/resistance exercise (60 min, 3 d/week) for 52 weeks...
November 23, 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/27864051/individual-differences-in-speech-in-noise-perception-parallel-neural-speech-processing-and-attention-in-preschoolers
#9
Elaine C Thompson, Kali Woodruff Carr, Travis White-Schwoch, Sebastian Otto-Meyer, Nina Kraus
From bustling classrooms to unruly lunchrooms, school settings are noisy. To learn effectively in the unwelcome company of numerous distractions, children must clearly perceive speech in noise. In older children and adults, speech-in-noise perception is supported by sensory and cognitive processes, but the correlates underlying this critical listening skill in young children (3-5 year olds) remain undetermined. Employing a longitudinal design (two evaluations separated by ∼12 months), we followed a cohort of 59 preschoolers, ages 3...
November 15, 2016: Hearing Research
https://www.readbyqxmd.com/read/27864043/maternal-trans-fat-intake-during-pregnancy-or-lactation-impairs-memory-and-alters-bdnf-and-trkb-levels-in-the-hippocampus-of-adult-offspring-exposed-to-chronic-mild-stress
#10
Camila Simonetti Pase, Karine Roversi, Katiane Roversi, Luciana Taschetto Vey, Verônica Tironi Dias, Tatiana Emanuelli, Thiago Duarte, Marta Duarte, Marilise Escobar Bürger
This study aimed to assess the influence of maternal dietary fat intake during pregnancy or lactation on memory of adult offspring after chronic mild stress (CMS) exposure. Female Wistar rats were supplemented daily with soybean oil/fish oil (SO/FO) or hydrogenated vegetable fat (HVF) by oral gavage (3.0g/kg body weight) during pregnancy or lactation. On post-natal day (PND) 60, half of the animals were exposed to CMS following behavioral assessments. While the adult offspring born under influence of SO/FO and HVF supplementations during pregnancy showed higher levels of n-3 and n-6 fatty acids (FA) series DHA and ARA metabolites, respectively, in the hippocampus, adult offspring born from supplemented dams during lactation showed higher levels of their precursors: ALA and LA...
November 15, 2016: Physiology & Behavior
https://www.readbyqxmd.com/read/27859916/mild-thyrotoxicosis-leads-to-brain-perfusion-changes-an-arterial-spin-labeling-study
#11
Anna Göbel, Marcus Heldmann, Alexander Sartorius, Martin Göttlich, Anna-Luise Dirk, Georg Brabant, Thomas F Münte
Hypo- and hyperthyroidism have effects on brain structure and function as well as cognitive processes, including memory. However, little is known about the influence of thyroid hormones on brain perfusion and the relationship of such perfusion changes to cognition. This study aimed to demonstrate the effect of short-term experimental hyperthyroidism on brain perfusion in healthy volunteers and to assess whether perfusion changes, if present, are related to cognitive performance. It is known that an interaction exists between brain perfusion and cerebral oxygen consumption rate and it is believed that neural activation increases cerebral regional perfusion rate in brain areas associated with memory...
November 9, 2016: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/27859914/visual-short-term-memory-for-high-resolution-associations-is-impaired-in-patients-with-medial-temporal-lobe-damage
#12
Joshua D Koen, Alyssa A Borders, Michael T Petzold, Andrew P Yonelinas
The medial temporal lobe (MTL) plays a critical role in episodic long-term memory, but whether the MTL is necessary for visual short-term memory is controversial. Some studies have indicated that MTL damage disrupts visual short-term memory performance whereas other studies have failed to find such evidence. To account for these mixed results, it has been proposed that the hippocampus is critical in supporting short-term memory for high resolution complex bindings, while the cortex is sufficient to support simple, low resolution bindings...
November 16, 2016: Hippocampus
https://www.readbyqxmd.com/read/27856108/foundations-of-reading-comprehension-in-children-with-intellectual-disabilities
#13
Evelien van Wingerden, Eliane Segers, Hans van Balkom, Ludo Verhoeven
BACKGROUND: Knowledge about predictors for reading comprehension in children with intellectual disabilities (ID) is still fragmented. AIMS: This study compared reading comprehension, word decoding, listening comprehension, and reading related linguistic and cognitive precursor measures in children with mild ID and typically developing controls. Moreover, it was explored how the precursors related to reading achievement. METHOD AND PROCEDURES: Children with mild ID and typical controls were assessed on reading comprehension, decoding, language comprehension, and linguistic (early literacy skills, vocabulary, grammar) and cognitive (rapid naming, phonological short-term memory, working memory, temporal processing, nonverbal reasoning) precursor measures...
November 14, 2016: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/27852782/fatty-acid-binding-protein-5-at-the-blood-brain-barrier-regulates-endogenous-brain-docosahexaenoic-acid-levels-and-cognitive-function
#14
Yijun Pan, Jennifer L Short, Kwok H C Choy, Annie X Zeng, Philip J Marriott, Yuji Owada, Martin J Scanlon, Christopher J H Porter, Joseph A Nicolazzo
: Fatty acid-binding protein 5 (FABP5) at the blood-brain barrier contributes to the brain uptake of docosahexaenoic acid (DHA), a blood-derived polyunsaturated fatty acid essential for maintenance of cognitive function. Given the importance of DHA in cognition, the aim of this study was to investigate whether deletion of FABP5 results in cognitive dysfunction and whether this is associated with reduced brain endothelial cell uptake of exogenous DHA and subsequent attenuation in the brain levels of endogenous DHA...
November 16, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27844092/exogenous-daytime-melatonin-modulates-response-of-adolescent-mice-in-a-repeated-unpredictable-stress-paradigm
#15
Adejoke Yetunde Onaolapo, Ajibola Nurudeen Adebayo, Olakunle James Onaolapo
The immediate and short-term behavioural and physiological implications of exposure to stressful scenarios in the adolescent period are largely unknown; however, increases in occurrence of stress-related physiological and psychological disorders during puberty highlight the need to study substances that may modulate stress reactivity during a crucial stage of maturation. Seven groups of mice (12-15 g each) were administered distilled water (DW) (non-stressed and stressed controls), sertraline (10 mg/kg), diazepam (2 mg/kg) or one of three doses of melatonin (5, 10 and 15 mg/kg)...
November 14, 2016: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/27828927/effect-of-low-dose-of-ketamine-on-learning-memory-function-in-patients-undergoing-electroconvulsive-therapy-a-randomized-double-blind-controlled-clinical-study
#16
Qibin Chen, Su Min, Xuechao Hao, Lihua Peng, Huaqing Meng, Qinghua Luo, Jianmei Chen, Xiao Li
OBJECTIVES: Converging evidence suggests that low doses of ketamine have antidepressant effects. The feasibility and safety of administering low doses of ketamine as adjunctive medication during electroconvulsive therapy (ECT) to enhance ECT efficacy and mitigate cognitive impairment has attracted much attention. This study investigated the effects of low doses of ketamine on learning and memory in patients undergoing ECT under propofol anesthesia. METHODS: This randomized, placebo-controlled, double-blind study recruited patients with moderate to severe depressive disorders who failed to respond to antidepressants and were scheduled to receive ECT...
November 3, 2016: Journal of ECT
https://www.readbyqxmd.com/read/27826281/can-touch-screen-tablets-be-used-to-assess-cognitive-and-motor-skills-in-early-years-primary-school-children-a-cross-cultural-study
#17
Nicola J Pitchford, Laura A Outhwaite
Assessment of cognitive and motor functions is fundamental for developmental and neuropsychological profiling. Assessments are usually conducted on an individual basis, with a trained examiner, using standardized paper and pencil tests, and can take up to an hour or more to complete, depending on the nature of the test. This makes traditional standardized assessments of child development largely unsuitable for use in low-income countries. Touch screen tablets afford the opportunity to assess cognitive functions in groups of participants, with untrained administrators, with precision recording of responses, thus automating the assessment process...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27825957/dose-response-effects-of-water-supplementation-on-cognitive-performance-and-mood-in-children-and-adults
#18
Caroline J Edmonds, Laura Crosbie, Fareeha Fatima, Maryam Hussain, Nicole Jacob, Mark Gardner
Water supplementation has been found to facilitate visual attention and short-term memory, but the dose required to improve performance is not yet known. We assessed the dose response effect of water on thirst, mood and cognitive performance in both adults and children. Participants were offered either no water, 25 ml or 300 ml water to drink. Study 1 assessed 96 adults and in Study 2, data are presented from 60 children aged 7-9 years. In both studies, performance was assessed at baseline and 20 min after drinking (or no drink); on thirst and mood scales, letter cancellation and a digit span test...
November 5, 2016: Appetite
https://www.readbyqxmd.com/read/27816801/medical-cannabis-and-mental-health-a-guided-systematic-review
#19
REVIEW
Zach Walsh, Raul Gonzalez, Kim Crosby, Michelle S Thiessen, Chris Carroll, Marcel O Bonn-Miller
This review considers the potential influences of the use of cannabis for therapeutic purposes (CTP) on areas of interest to mental health professionals, with foci on adult psychopathology and assessment. We identified 31 articles relating to the use of CTP and mental health, and 29 review articles on cannabis use and mental health that did not focus on use for therapeutic purposes. Results reflect the prominence of mental health conditions among the reasons for CTP use, and the relative dearth of high-quality evidence related to CTP in this context, thereby highlighting the need for further research into the harms and benefits of medical cannabis relative to other therapeutic options...
October 12, 2016: Clinical Psychology Review
https://www.readbyqxmd.com/read/27807822/vortioxetine-a-review-in-cognitive-dysfunction-in-depression
#20
James E Frampton
Vortioxetine (Brintellix(®); Trintellix(®)), a generally efficacious and well tolerated antidepressant agent, is approved in the EU and USA for the treatment of major depressive disorder (MDD) in adults. The drug has a distinctive pharmacological profile (combining inhibition of the serotonin transporter with modulation of multiple serotonin receptors) and has been shown to enhance cognitive performance in various animal models and clinical trials. Across three large, placebo-controlled studies in adults with recurrent MDD, short-term treatment with vortioxetine almost always resulted in statistically significant and clinically meaningful improvements in performance on two objective measures (the Digit Symbol Substitution Test and Rey Auditory Verbal Learning Test) that together cover a broad range of cognitive domains, including executive function, attention, processing speed, learning and memory...
November 2016: Drugs
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