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https://www.readbyqxmd.com/read/28922507/randomized-controlled-trial-evaluating-the-temporal-effects-of-high-intensity-exercise-on-learning-short-term-and-long-term-memory-and-prospective-memory
#1
Emily Frith, Eveleen Sng, Paul D Loprinzi
To examine the temporal effects of high-intensity exercise on learning, short-term and long-term retrospective memory and prospective memory. Among a sample of 88 young adult participants, 22 were randomized into one of four different groups: exercise before learning, control group, exercise during learning and exercise after learning. The retrospective assessments (learning, short-term and long-term memory) were assessed using the Rey Auditory Verbal Learning Test. Short-term memory included a 20-min delay assessment, with long-term memory including a 24-hour follow-up assessment...
September 18, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28922397/acute-exposure-to-blue-wavelength-light-during-memory-consolidation-improves-verbal-memory-performance
#2
Anna Alkozei, Ryan Smith, Natalie S Dailey, Sahil Bajaj, William D S Killgore
Acute exposure to light within the blue wavelengths has been shown to enhance alertness and vigilance, and lead to improved speed on reaction time tasks, possibly due to activation of the noradrenergic system. It remains unclear, however, whether the effects of blue light extend beyond simple alertness processes to also enhance other aspects of cognition, such as memory performance. The aim of this study was to investigate the effects of a thirty minute pulse of blue light versus placebo (amber light) exposure in healthy normally rested individuals in the morning during verbal memory consolidation (i...
2017: PloS One
https://www.readbyqxmd.com/read/28919130/the-nuts-and-bolts-of-cognitive-remediation-exploring-how-different-training-components-relate-to-cognitive-and-functional-gains
#3
Matteo Cella, Til Wykes
BACKGROUND: Cognitive Remediation (CR) is an evidence based treatment targeting cognitive and functional difficulties in people with psychosis. Despite the large number of effectiveness studies, only limited evidence exists for the active ingredients of this therapy. This study begins to fill this gap by exploring the relationship between CR ingredients, including alliance with a therapist, and therapy outcomes. METHOD: This is a secondary analysis based on data from a published randomised controlled trial comparing CR+treatment-as-usual (TAU) to TAU alone...
September 14, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28910291/minimizing-nocebo-effects-by-conditioning-with-verbal-suggestion-a-randomized-clinical-trial-in-healthy-humans
#4
Danielle J P Bartels, Antoinette I M van Laarhoven, Michiel Stroo, Kim Hijne, Kaya J Peerdeman, A Rogier T Donders, Peter C M van de Kerkhof, Andrea W M Evers
Nocebo effects, i.e., adverse treatment effects which are induced by patients' expectations, are known to contribute to the experience of physical symptoms such as pain and itch. A better understanding of how to minimize nocebo responses might eventually contribute to enhanced treatment effects. However, little is known about how to reduce nocebo effects. In the current randomized controlled study, we tested whether nocebo effects can be minimized by positive expectation induction with respect to electrical and histaminic itch stimuli...
2017: PloS One
https://www.readbyqxmd.com/read/28901711/learning-to-name-smells-increases-activity-in-heteromodal-semantic-areas
#5
Arnaud Fournel, Caroline Sezille, Carmen C Licon, Charlotte Sinding, Johannes Gerber, Camille Ferdenzi, Thomas Hummel, Moustafa Bensafi
Semantic description of odors is a cognitively demanding task. Learning to name smells is, however, possible with training. This study set out to examine how improvement in olfactory semantic knowledge following training reorganizes the neural representation of smells. First, 19 nonexpert volunteers were trained for 3 days; they were exposed (i) to odorants presented without verbal labels (perceptual learning) and (ii) to other odorants paired with lexicosemantic labels (associative learning). Second, the same participants were tested in a brain imaging study (fMRI) measuring hemodynamic responses to learned odors presented in both the perceptual and associative learning conditions...
September 12, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28899422/moderating-effects-of-sex-on-the-impact-of-diagnosis-and-amyloid-positivity-on-verbal-memory-and-hippocampal-volume
#6
Jessica Z K Caldwell, Jody-Lynn Berg, Jeffrey L Cummings, Sarah J Banks
BACKGROUND: Alzheimer's disease (AD) impacts men and women differently, but the effect of sex on predementia stages is unclear. The objective of this study was to examine whether sex moderates the impact of florbetapir positron emission tomography (PET) amyloid positivity (A(+)) on verbal learning and memory performance and hippocampal volume (HV) in normal cognition (NC) and early mild cognitive impairment (eMCI). METHODS: Seven hundred forty-two participants with NC and participants with eMCI from the Alzheimer's Disease Neuroimaging Initiative (second cohort [ADNI2] and Grand Opportunity Cohort [ADNI-GO]) were included...
September 12, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28895997/-elevated-incidence-of-cognitive-impairment-in-patients-with-asymptomatic-carotid-stenosis
#7
E Hernandez-Rodriguez, E Sirumal, P J Perez-Lorensu, J L Perez-Burkhardt, J Barroso, I Galtier
INTRODUCTION: Stroke is one of the main causes of mortality and functional disability in developed countries. Carotid stenosis (CS) is considered the reason for 20-30% of strokes. However, the studies that have gone into depth on the cognitive status of these patients are limited. AIM: To investigate the cognitive performance of CS patients and its relationship with clinical variables (carotid obstruction, lifestyle). PATIENTS AND METHODS: 33 CS patients were evaluated using a broad neuropsychological protocol, and were divided into two groups: symptomatic CS and asymptomatic CS...
September 16, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28890936/object-play-in-infants-with-autism-spectrum-disorder-a-longitudinal-retrospective-video-analysis
#8
Kaitlyn P Wilson, Mary W Carter, Heather L Wiener, Margaret L DeRamus, John C Bulluck, Linda R Watson, Elizabeth R Crais, Grace T Baranek
BACKGROUND AND AIMS: Early play behaviors may provide important information regarding later-diagnosed developmental delays. Play behaviors of young children with autism spectrum disorder (ASD) are restricted in diversity, frequency, and complexity. Most ASD research focuses on play in children over 18 months of age. This study examined three groups of infants (later diagnosed with ASD, later diagnosed with other developmental disorders, and typically developing) with the aims of: (1) describing the play behaviors of the three groups of infants at two time points (9-12 months and 15-18 months); (2) examining group differences in four hierarchical levels of play at both time points; (3) comparing groups with respect to the highest level of play achieved; and (4) determining if the highest level of play achieved by infants with developmental delays, including ASD, correlated with later developmental outcomes...
January 2017: Autism Dev Lang Impair
https://www.readbyqxmd.com/read/28890199/distinct-cognitive-impairments-in-different-disease-courses-of-multiple-sclerosis-a-systematic-review-and-meta-analysis
#9
REVIEW
Andreas Johnen, Nils C Landmeyer, Paul-Christian Bürkner, Heinz Wiendl, Sven G Meuth, Heinz Holling
Cognitive impairment (CI) is common and debilitating in patients with multiple sclerosis. However, little is known about how different disease courses affect CI, impeding prognosis and disease management. Here, we contrasted the magnitude and profile of CI measured with standardized neuropsychological tests in patients with primary progressive multiple sclerosis (PPMS) against relapsing-remitting multiple sclerosis (RRMS) while considering potentially confounding demographic and clinical differences. Systematic literature review and meta-analysis was performed finding 47 eligible studies (N=4460 patients)...
September 8, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28889995/aging-and-working-memory-performance-electrophysiological-correlates-of-high-and-low-performing-elderly
#10
Alexander F Lubitz, Michael Niedeggen, Maximilian Feser
In this study we investigated age-related changes in WM capacity and their respective ERP correlates. We explicitly addressed the differentiation between high and low performing elderly to identify electrophysiological correlates of successful aging. Therefore, ERP and behavioral data was obtained from 45 young (mean = 22.73 years) and 35 older participants (mean = 68.49 years). Both groups performed a visual-spatial n-back task with two levels of difficulty. Additionally, related neuropsychological tests were administered...
September 7, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28888493/the-effects-of-smartphone-based-nebulizer-therapy-education-on-parents-knowledge-and-confidence-of-performance-in-caring-for-children-with-respiratory-disease
#11
Jung Min Lee, Shin-Jeong Kim, Hae Young Min
PURPOSE: This study aimed to identify the effects of smartphone-based nebulizer therapy education on the knowledge and confidence of parents while performing care for their children with respiratory disease. DESIGN AND METHODS: This quasi-experimental study employed a pretest-posttest design using a nonequivalent control group. Data were collected from children's parents who had not used nebulizer therapy for their children previously. Both the groups were given nebulizer therapy education using the same content but different learning methods...
September 2017: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/28885725/supporting-spirituality-in-the-care-of-older-people-living-with-dementia-a-hermeneutic-phenomenological-inquiry-into-nurses-experiences
#12
Kristiina Toivonen, Andreas Charalambous, Riitta Suhonen
BACKGROUND: Spirituality is defined as a search for answers to existential questions about the meaning of life and the individual's relationship with the sacred or transcendent. This relationship may or may not involve affiliation with a specific religion. Studies on spirituality have focused on palliative care, and there are limited studies into the spirituality in the care of older people with dementia. AIM: To describe the experiences of nurses supporting spirituality in the care of older people living with dementia...
September 8, 2017: Scandinavian Journal of Caring Sciences
https://www.readbyqxmd.com/read/28885149/learning-from-narrated-instruction-videos
#13
Jean-Baptiste Alayrac, Piotr Bojanowski, Nishant Agrawal, Josef Sivic, Ivan Laptev, Simon Lacoste-Julien
Automatic assistants could guide a person or a robot in performing new tasks, such as changing a car tire or repotting a plant. Creating such assistants, however, is non-trivial and requires understanding of visual and verbal content of a video. Towards this goal, we here address the problem of automatically learning the main steps of a task from a set of narrated instruction videos. We develop a new unsupervised learning approach that takes advantage of the complementary nature of the input video and the associated narration...
September 5, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28877090/academic-achievement-deficits-and-their-neuropsychological-correlates-in-children-born-extremely-preterm
#14
Natacha Akshoomoff, Robert M Joseph, H Gerry Taylor, Elizabeth N Allred, Timothy Heeren, Thomas M OʼShea, Karl C K Kuban
OBJECTIVE: The purpose of this study was to examine the risks associated with learning disabilities (LDs) in a large sample of children born extremely preterm. We predicted higher than expected rates of LD, particularly in math, and children with LD in math, reading, or both would have lower intelligence quotients (IQs) and specific patterns of neuropsychological deficits. METHODS: We evaluated academic achievement, rates of LD, and their neuropsychological correlates in the Extremely Low Gestational Age Newborns (ELGANs) Study cohort of 10-year-old children born at 23 to 27 weeks gestational age...
September 1, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28872189/vascular-inflammatory-and-metabolic-factors-associated-with-cognition-in-aging-persons-with-chronic-epilepsy
#15
Bruce P Hermann, Mark A Sager, Rebecca L Koscik, Kate Young, Keith Nakamura
We examined cognition in aging persons with chronic epilepsy; characterized targeted vascular, inflammatory, and metabolic risk factors associated with abnormal cognitive aging in the general population; and examined associations between cognition and vascular, inflammatory, and metabolic health. Participants included 40 persons with chronic localization-related epilepsy and 152 controls, aged 54.6 and 55.3, respectively. Participants underwent neuropsychological assessment, clinical examination, and fasting blood evaluation for quantification of vascular status (systolic and diastolic blood pressure, obesity/body mass index [BMI], total and high-density lipoprotein [HDL] cholesterol level, and homocysteine), inflammatory markers (high sensitivity C-reactive protein [hs-CRP], and interleukin-6 [IL-6]), and metabolic status (insulin resistance [Homeostatic Model Assessment of Insulin Resistance (HOMA-IR)], glucose)...
September 4, 2017: Epilepsia
https://www.readbyqxmd.com/read/28870585/medical-decision-making-capacity-and-its-cognitive-predictors-in-progressive-ms-preliminary-evidence
#16
Adam Gerstenecker, Kathleen Lowry, Terina Myers, Khurram Bashir, Kristen L Triebel, Roy C Martin, Daniel C Marson
BACKGROUND: Medical decision-making capacity (MDC) refers to the ability to make informed decisions about treatment and declines in cognition are associated with declines in MDC across multiple disease entities. However, although it is well known that cognitive impairment is prevalent in multiple sclerosis (MS), little is known about MDC in the disease. METHODS: Data from 22 persons with progressive MS and 18 healthy controls were analyzed. All diagnoses were made by a board-certified neurologist with experience in MS...
September 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28870562/genetic-variation-in-angiotensin-converting-enzyme-affects-the-white-matter-integrity-and-cognitive-function-of-amnestic-mild-cognitive-impairment-patients
#17
Yanzhi Li, Zhengsheng Zhang, Linglong Deng, Feng Bai, Yongmei Shi, Hui Yu, Chunming Xie, Yonggui Yuan, Zhijun Zhang
Angiotensin-converting enzyme (ACE) gene has been implicated in amnestic mild cognitive impairment (aMCI). Most human genetic studies have focused on ACE insertion (I)/deletion (D) polymorphism and yielded conflicting results. In this work, we evaluated the relationships between cognitive function, serum ACE level, brain white matter (WM) integrity, and ACE I/D polymorphism in 48 patients with aMCI and 36 well matched control subjects from south China. In aMCI patients, D allele frequency was higher (D/I ratio=0...
September 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28869475/effect-of-attention-training-in-mild-cognitive-impairment-patients-with-subcortical-vascular-changes-the-rehatt-study
#18
Leonardo Pantoni, Anna Poggesi, Stefano Diciotti, Raffaella Valenti, Stefano Orsolini, Eleonora Della Rocca, Domenico Inzitari, Mario Mascalchi, Emilia Salvadori
BACKGROUND AND OBJECTIVE: Mild cognitive impairment (MCI) patients with small vessel disease (SVD) are at high dementia risk. We tested the effects of cognitive rehabilitation in these patients using the Attention Process Training-II (APT-II) program in a single-blinded, randomized clinical trial. METHODS: Patients were randomized to APT-II or standard care and evaluated at baseline, 6, and 12 months with functional, quality of life, cognitive tests, and resting state functional MRI (rsfMRI)...
August 30, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28869471/prevalence-risk-factors-and-complaints-screening-tool-exploration-of-subjective-cognitive-decline-in-a-large-cohort-of-the-chinese-population
#19
Lixiao Hao, Xiaoni Wang, Ling Zhang, Yue Xing, Qihao Guo, Xiaochen Hu, Bin Mu, Yili Chen, Guanqun Chen, Jing Cao, Xiaodong Zhi, Jiaojiao Liu, Xuanyu Li, Liu Yang, Jiachen Li, Wenying Du, Yu Sun, Ting Wang, Zhen Liu, Zheng Liu, Xuexue Zhao, Hongyan Li, Yang Yu, Xue Wang, Jianguo Jia, Ying Han
BACKGROUND: Substantial studies have reported the prevalence and the affecting factors of subjective cognitive decline (SCD). The complaints screening scale has also been used for probing. However, little is known in China. OBJECTIVE: To investigate the prevalence and risk factors of SCD, and explore an SCD complaints screening scale in China. METHODS: Stratified cluster random sampling was conducted. 2,689 residents aged 60-80 years completed questionnaire 1...
September 1, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28865934/rule-based-generalisation-in-single-cue-and-differential-fear-conditioning-in-humans
#20
Alex H K Wong, Peter F Lovibond
Fear generalisation refers to the spread of conditioned fear to stimuli similar but distinct from the original conditioned stimulus. In this study, participants were presented with repeated pairings of a conditioned stimulus with a shock, in either a single-cue or differential conditioning paradigm. Generalisation of fear was then tested by presenting stimuli that were novel, but similar to the conditioned stimulus along a spatial stimulus dimension. Dependent measures were online shock expectancy ratings and skin conductance level...
September 1, 2017: Biological Psychology
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