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https://www.readbyqxmd.com/read/29793130/anxiety-memories-and-coping-in-patients-undergoing-intracranial-tumor-surgery
#1
Tom J van Ark, Markus Klimek, Peter de Smalen, Arnaud J P E Vincent, Robert Jan Stolker
OBJECTIVES: The diagnosis and the surgical removal of a brain tumor can have serious impact on the quality of life of a patient. The question rises, whether having more or just less memories of the procedure is better for coping with such an event. Furthermore, for preoperative information of future patients it is important to know how patients process their emotions and memories. The primary objective of this study was to investigate the link between preoperative anxiety, the perioperative experience and the quantity and quality of postoperative memories in patients who underwent intracranial tumor surgery...
May 17, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29792441/human-memory-reconsolidation-a-guiding-framework-and-critical-review-of-the-evidence
#2
James W B Elsey, Vanessa A Van Ast, Merel Kindt
Research in nonhuman animals suggests that reactivation can induce a transient, unstable state in a previously consolidated memory, during which the memory can be disrupted or modified, necessitating a process of restabilization in order to persist. Such findings have sparked a wave of interest into whether this phenomenon, known as reconsolidation, occurs in humans. Translating research from animal models to human experiments and even to clinical interventions is an exciting prospect, but amid this excitement, relatively little work has critically evaluated and synthesized existing research regarding human memory reconsolidation...
May 24, 2018: Psychological Bulletin
https://www.readbyqxmd.com/read/29787266/numerical-nuclear-second-derivatives-on-a-computing-grid-enabling-and-accelerating-frequency-calculations-on-complex-molecular-systems
#3
Tzuhsiung Yang, John F Berry
The computation of nuclear second derivatives of energy, or the nuclear Hessian, is an essential routine in quantum chemical investigations of ground and transition states, thermodynamic calculations, and molecular vibrations. Analytic nuclear Hessian computations require the resolution of costly coupled-perturbed self-consistent field (CP-SCF) equations while numerical differentiation of analytic first derivatives has an unfavorable 6N (N = number of atoms) prefactor. Herein, we present a new method in which grid computing is used to accelerate and/or enable the evaluation of the nuclear Hessian via numerical differentiation: NUMFREQ@Grid...
May 22, 2018: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/29783058/memory-retrieval-of-everyday-information-under-stress
#4
Lisa-Marie Stock, Christian J Merz
Psychosocial stress is known to crucially influence learning and memory processes. Several studies have already shown an impairing effect of elevated cortisol concentrations on memory retrieval. These studies mainly used learning material consisting of stimuli with a limited ecological validity. When using material with a social contextual component or with educational relevant material both impairing and enhancing stress effects on memory retrieval could be observed. In line with these latter studies, the present experiment also used material with a higher ecological validity (a coherent text consisting of daily relevant numeric, figural and verbal information)...
May 19, 2018: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/29777133/selective-improvements-in-balancing-associated-with-offline-periods-of-spaced-training
#5
Antonino Casabona, Maria Stella Valle, Carlo Cavallaro, Gabriele Castorina, Matteo Cioni
Benefits from post-training memory processing have been observed in learning many procedural skills. Here, we show that appropriate offline periods produce a performance gain during learning to stand on a multiaxial balance board. The tilt angle and the area of sway motion of the board were much more reduced in participants performing a training spaced by an interval of one day with respect to participants executing the same amount of practice over a concentrated period. In particular, offline memory encoding was specifically associated with the motion along the anterior-posterior direction, the spatio-temporal dynamics, and the frequency contents of the board sway...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29776015/delta-9-tetrahydrocannabinol-potentiates-fear-memory-salience-through-functional-modulation-of-mesolimbic-dopaminergic-activity-states
#6
Aurelie Fitoussi, Jordan Zunder, Huibing Tan, Steven R Laviolette
Chronic or acute exposure to delta-9-tetrahydrocannabinol (THC), the main psychoactive compound in cannabis, has been associated with numerous neuropsychiatric side-effects, including dysregulation of emotional processing and associative memory formation. Clinical and pre-clinical evidence suggests that the effects of THC are due to the ability to modulate mesolimbic dopamine (DA) activity states in the nucleus accumbens (NAc) and ventral tegmental area (VTA). Nevertheless, the mechanisms by which THC modulates mesolimbic DA function and emotional processing are not well understood...
May 18, 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29774004/response-commentary-effects-of-dividing-attention-on-memory-for-declarative-and-procedural-aspects-of-tool-use
#7
COMMENT
Shumita Roy, Norman W Park
No abstract text is available yet for this article.
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29762867/shaping-memory-consolidation-via-targeted-memory-reactivation-during-sleep
#8
REVIEW
Nicola Cellini, Alessandra Capuozzo
Recent studies have shown that the reactivation of specific memories during sleep can be modulated using external stimulation. Specifically, it has been reported that matching a sensory stimulus (e.g., odor or sound cue) with target information (e.g., pairs of words, pictures, and motor sequences) during wakefulness, and then presenting the cue alone during sleep, facilitates memory of the target information. Thus, presenting learned cues while asleep may reactivate related declarative, procedural, and emotional material, and facilitate the neurophysiological processes underpinning memory consolidation in humans...
May 15, 2018: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29755315/does-post-task-declarative-learning-have-an-influence-on-early-motor-memory-consolidation-over-day-an-fmri-study
#9
Inken Rothkirch, Stephan Wolff, Nils G Margraf, Anya Pedersen, Karsten Witt
Previous studies demonstrated the influence of the post-learning period on procedural motor memory consolidation. In an early period after the acquisition, motor skills are vulnerable to modifications during wakefulness. Indeed, specific interventions such as world-list learning within this early phase of motor memory consolidation seem to enhance motor performance as an indicator for successful consolidation. This finding highlights the idea that manipulations of procedural and declarative memory systems during the early phase of memory consolidation over wakefulness may influence off-line consolidation...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29751052/adra2b-deletion-variant-and-enhanced-cognitive-processing-of-emotional-information-a-meta-analytical-review
#10
REVIEW
Weizhen Xie, Marcus Cappiello, Ming Meng, Robert Rosenthal, Weiwei Zhang
This meta-analytical review examines whether a deletion variant in ADRA2B, a gene that encodes α2B adrenoceptor in the regulation of norepinephrine availability, influences cognitive processing of emotional information in human observers. Using a multilevel modeling approach, this meta-analysis of 16 published studies with a total of 2,752 participants showed that ADRA2B deletion variant was significantly associated with enhanced perceptual and cognitive task performance for emotional stimuli. In contrast, this genetic effect did not manifest in overall task performance when non-emotional content was used...
May 8, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29747622/postoperative-dental-morbidity-in-children-following-dental-treatment-under-general-anesthesia
#11
Yu-Hsuan Hu, Aileen Tsai, Li-Wei Ou-Yang, Li-Chuan Chuang, Pei-Ching Chang
BACKGROUND: General anesthesia has been widely used in pediatric dentistry in recent years. However, there remain concerns about potential postoperative dental morbidity. The goal of this study was to identify the frequency of postoperative dental morbidity and factors associated with such morbidity in children. METHODS: From March 2012 to February 2013, physically and mentally healthy children receiving dental treatment under general anesthesia at the Department of Pediatric Dentistry of the Chang Gung Memorial Hospital in Taiwan were recruited...
May 10, 2018: BMC Oral Health
https://www.readbyqxmd.com/read/29746576/graph-drawing-using-tabu-search-coupled-with-path-relinking
#12
Fadi K Dib, Peter Rodgers
Graph drawing, or the automatic layout of graphs, is a challenging problem. There are several search based methods for graph drawing which are based on optimizing an objective function which is formed from a weighted sum of multiple criteria. In this paper, we propose a new neighbourhood search method which uses a tabu search coupled with path relinking to optimize such objective functions for general graph layouts with undirected straight lines. To our knowledge, before our work, neither of these methods have been previously used in general multi-criteria graph drawing...
2018: PloS One
https://www.readbyqxmd.com/read/29741977/laparoscopic-pelvic-exenteration-for-locally-advanced-rectal-cancer-technique-and-short-term-outcomes
#13
Ashish Pokharkar, Praveen Kammar, Ashwin D'souza, Rahul Bhamre, Pavan Sugoor, Avanish Saklani
BACKGROUND: Since last two decades minimally invasive techniques have revolutionized surgical field. In 2003 Pomel first described laparoscopic pelvic exenteration, since then very few reports have described minimally invasive approaches for total pelvic exenteration. METHODS: We report the 10 cases of locally advanced rectal adenocarcinoma which were operated between the periods from March 1, 2017 to November 11, 2017 at the Tata Memorial Hospital, Mumbai. All male patients had lower rectal cancer with prostate involvement on magnetic resonance imaging (MRI)...
May 9, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29740070/flood-conditioned-place-aversion-as-a-novel-non-pharmacological-aversive-learning-procedure-in-mice
#14
Koral Goltseker, Segev Barak
The place conditioning paradigm is an efficient, widely-used method to study mechanisms that underlie appetitive or aversive learning and memory processes. However, pharmacological agents used to induce conditioned place preference (CPP) or aversion (CPA) can per se interfere with learning and memory processing, hence confounding the results. Therefore, non-pharmacological place conditioning procedures are of high importance. Here, we introduce a novel procedure for induction of CPA in mice, by water flooding...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29738440/prevalence-of-developmental-dyslexia-in-spanish-university-students
#15
Carmen López-Escribano, Judith Suro Sánchez, Fernando Leal Carretero
A recent concern in the field of dyslexia studies is the lack of awareness and attention to university students suffering from this condition. If this problem is serious in countries where the relative opacity of the writing system allows for an early detection and, therefore, effective interventions, it is most critical in countries where transparent spelling makes such detection difficult, except in the most severe cases. In Spain, the diagnosis of dyslexia is rare among university-level adults. The present study pursues three aims: (a) to put forward a screening instrument for the detection of university students at risk of dyslexia, (b) to determine the ratio of university students that could be at risk of dyslexia by means of two different procedures, and (c) to create awareness for a disorder that causes hitherto unrecognized difficulties for an important subgroup of the college population...
May 8, 2018: Brain Sciences
https://www.readbyqxmd.com/read/29736913/effects-of-caffeine-on-behavioural-and-cognitive-deficits-in-rats
#16
Melissa S Assis, Aluízio C Soares, Dircilei N de Sousa, João Eudes-Filho, Lilian Rosana F Faro, Fabiana P Carneiro, Mônica V da Silva, Andrea B Motoyama, Greice Maria R de Souza, Stéphanie Marchiori, Nadyelle T de Lima, Raphael Boëchat-Barros, Vania M Ferreira
There are many studies that have sought to find drug therapies to prevent harm arising from sepsis. Such studies have represented a progress in the support to septic patients and also in the development of new pharmacological alternatives. Our interest was to investigate the caffeine effect on sepsis behavioural and memory impairments. Male rats were anaesthetized and the surgery was made to allow exposure of the cecum, which was then squeezed to extrude a small amount of faeces from the perforation site, which was later placed back into the peritoneal cavity...
May 7, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29736061/impact-of-neuropsychological-rehabilitation-on-activities-of-daily-living-and-community-reintegration-of-patients-with-traumatic-brain-injury
#17
Amrita Kanchan, Amool Ranjan Singh, Nawab Akhtar Khan, Masroor Jahan, Rajesh Raman, T S Sathyanarayana Rao
Objectives: The present study was targeted to observe the impact of neuropsychological rehabilitation on activities of daily living (ADL) and community reintegration of patients with traumatic brain injury (TBI). Settings and Participants: Based on purposive sampling technique, ten patients with TBI falling in the age range of 20-40 years and fulfilling the inclusion and exclusion criteria were chosen from All India Institute of Speech and Hearing, Mysuru, India...
January 2018: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/29731735/rescripting-memory-redefining-the-self-a-meta-emotional-perspective-on-the-hypothesized-mechanism-s-of-imagery-rescripting
#18
Alessandra Mancini, Francesco Mancini
Imagery Rescripting (ImRs) is a therapeutic technique that aims to reduce the distress associated with negative memories of early aversive experiences. It consists of prompting patients to rescript the autobiographical memory in line with their unmet needs. In recent years, ImRs was found effective in reducing symptoms of disorders such as depression, social phobia, obsessive-compulsive disorder, post-traumatic stress disorder, and personality disorders. However, the cognitive mechanisms underlying such broad effectiveness are currently an object of debate...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29728938/standardization-and-validation-of-a-parallel-form-of-the-verbal-and-non-verbal-recognition-memory-test-in-an-italian-population-sample
#19
Daniela Smirni, Pietro Smirni, Giovanni Di Martino, Lisa Cipolotti, Massimiliano Oliveri, Patrizia Turriziani
In the neuropsychological assessment of several neurological conditions, recognition memory evaluation is requested. Recognition seems to be more appropriate than recall to study verbal and non-verbal memory, because interferences of psychological and emotional disorders are less relevant in the recognition than they are in recall memory paradigms. In many neurological disorders, longitudinal repeated assessments are needed to monitor the effectiveness of rehabilitation programs or pharmacological treatments on the recovery of memory...
May 4, 2018: Neurological Sciences
https://www.readbyqxmd.com/read/29723575/retrieval-of-inhibitory-avoidance-memory-induces-differential-transcription-of-arc-in-striatum-hippocampus-and-amygdala
#20
Sofía González-Salinas, Andrea C Medina, Eduardo Alvarado-Ortiz, Anaid Antaramian, Gina L Quirarte, Roberto A Prado-Alcalá
Similar to the hippocampus and amygdala, the dorsal striatum is involved in memory retrieval of inhibitory avoidance, a task commonly used to study memory processes. It has been reported that memory retrieval of fear conditioning regulates gene expression of arc and zif268 in the amygdala and the hippocampus, and it is surprising that only limited effort has been made to study the molecular events caused by retrieval in the striatum. To further explore the involvement of immediate early genes in retrieval, we used real-time PCR to analyze arc and zif268 transcription in dorsal striatum, dorsal hippocampus, and amygdala at different time intervals after retrieval of step-through inhibitory avoidance memory...
April 30, 2018: Neuroscience
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