PubMed Journals Articles About "Violin Memory, Inc." RSS

11:27 EST 21st November 2018 | BioPortfolio

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Showing "Violin Memory" PubMed Articles 1–25 of 2,300+

Differences in violin fixation force and muscle activity among violinists with and without complaints of the neck shoulder region.

The aim of this study is to determine the relationship between complaints of the neck and shoulder region, the jaw-shoulder violin fixation force, and the activity of the neck and shoulder muscles in violinists.

Memory: Theta Rhythm Couples Periodic Reactivation during Memory Retrieval.

Memory retrieval involves the reactivation of memory traces distributed throughout the brain. New research suggests that these memory reactivations have an oscillatory nature and that they are coupled to preferential stages of the hippocampal theta cycle.

Opinion: Virtual memory CD8 T cells and lymphopenia-induced memory CD8 T cells represent a single subset: homeostatic memory T cells.

It is well established that lymphopenia induces the formation of the memory-phenotype T cells without the exposure to foreign antigens. More recently, the memory-phenotype antigen-inexperienced memory T cells were described in lymphoreplete mice and called virtual memory T cells. In this review, we compare multiple aspects of the biology of lymphopenia-induced memory T cells and virtual memory T cells, including cytokine requirements, the role of T-cell receptor specificity in the differentiation process, g...

Memory bias and its association with memory function in women with posttraumatic stress disorder.

Memory abnormalities are among a central feature of posttraumatic stress disorder (PTSD). It is suggested that individuals with PTSD exhibit memory bias; while evidence shows poor memory function in these individuals. We aimed to examine memory bias in PTSD patients relative to controls and to explore an association between memory bias and memory function.

Improving everyday memory performance after acquired brain injury: An RCT on recollection and working memory training.

To show the effectiveness of a combined recognition and working memory training on everyday memory performance in patients suffering from organic memory disorders.

A trait for a high emotionality favors spatial memory to the detriment of cue-based memory in Japanese quail.

Recent studies provided evidence that a personality trait such as a trait for a high or a low emotionality can either promotes or impairs learning and memory performances. This variability can be partly explained because this trait may have opposite effect on memory performances depending on the memory system involved. The present study investigated in Japanese quail the relationships between emotionality and two forms of memory, spatial- memory and cue-based memory. We showed that birds with a high emotion...

Impact of stress response systems on forced choice recognition in an experimental trauma film paradigm.

Traumatic events are often followed by memory impairments of key features of the trauma. Stress hormones are involved in emotional memory formation. However, little is known about their influence during trauma on subsequent recognition memory.

Novelty enhances memory persistence and remediates propranolol-induced deficit via reconsolidation.

Memory reactivation has been shown to open a time window for memory modulation. The majority of the methodological or pharmacological approaches target disruption of reconsolidation to weaken aversive memories. However, methods to improve appetitive memory persistence through reconsolidation or to reverse drug-induced reconsolidation impairment are limited. To improve memory persistence, previous studies show that a novel event, introduced around the time of memory encoding, enables the persistence of an ot...

Neuroevolution of a Modular Memory-Augmented Neural Network for Deep Memory Problems.

We present Modular Memory Units (MMUs), a new class of memory-augmented neural network. MMU builds on the gated neural architecture of Gated Recurrent Units (GRUs) and Long Short Term Memory (LSTMs), to incorporate an external memory block, similar to a Neural Turing Machine (NTM). MMU interacts with the memory block using independent read and write gates that serve to decouple the memory from the central feedforward operation. This allows for regimented memory access and update, administering our network t...

Strength in diversity: Phenotypic, functional, and molecular heterogeneity within the memory B cell repertoire.

The vast majority of vaccines exploit antibody memory to induce lasting immunity. Memory B cells are generated during the initial response to infection, but persist long after the infection has cleared. Immune memory success relies on its adaptability: in response to different pathogens, variants of a single pathogen, and in balancing persistence with reactivation and plasma cell differentiation. This is likely achieved by producing a B cell memory population that is highly diverse, and recent work has high...

Rapid effects on memory consolidation and spine morphology by estradiol in female and male rodents.

Rapid, neurosteroid-like effects of estrogens on memory consolidation during recognition memory tasks in both male and female rodents are described. We discuss how these mnemonic changes are related to rapid estrogenic effects on dendritic spine density, the distribution of spine types and the expression of PSD95 and GluA2 within spines in the hippocampus and medial prefrontal cortex, two areas critical for learning and memory. Overall, these data lead to the conclusion that estrogens are capable of exertin...

Patients' accounts of memory lapses in interactions between neurologists and patients with functional memory disorders.

One of the most commonly made diagnoses in secondary care memory services is functional memory disorder (FMD). FMD is non-progressive and characterised by persistent worries about memory failures without objective evidence of cognitive impairment. This study explores how patients with FMD present their memory concerns. Utilizing video recordings of consultations between patients and neurologists in a memory clinic, we show that FMD patients account for their memory deficits as significant disruptions to the...

Localizing memory functions in brain tumor patients: anatomical hotspots over 260 patients.

Memory complaints are common in brain tumor patients, but is difficult to map memory functions during awake surgery, to preserve them. Thus we analyzed one of the largest data set on clinical, surgical and anatomical correlates of memory in brain tumor patients to date, providing anatomical hotspots for short and long term memory functions.

Strong homeostatic TCR signals induce formation of self-tolerant virtual memory CD8 T cells.

Virtual memory T cells are foreign antigen-inexperienced T cells that have acquired memory-like phenotype and constitute 10-20% of all peripheral CD8 T cells in mice. Their origin, biological roles, and relationship to naïve and foreign antigen-experienced memory T cells are incompletely understood. By analyzing T-cell receptor repertoires and using retrogenic monoclonal T-cell populations, we demonstrate that the virtual memory T-cell formation is a so far unappreciated cell fate decision checkpoint. We d...

mTORC1 controls long-term memory retrieval.

Understanding how stored information emerges is a main question in the neurobiology of memory that is now increasingly gaining attention. However, molecular events underlying this memory stage, including involvement of protein synthesis, are not well defined. Mammalian target of rapamycin complex 1 (mTORC1), a central regulator of protein synthesis, has been implicated in synaptic plasticity and is required for memory formation. Using inhibitory avoidance (IA), we evaluated the role of mTORC1 in memory retr...

Relationship between episodic memory and volume of the brain regions of two functional cortical memory systems in multiple sclerosis.

Two functional networks are proposed as neuronal support for the complex processes of memory: the anterior temporal and the medial posterior systems. We examined the atrophy of hippocampus (HC) and of those areas constituting the two functional memory systems in multiple sclerosis (MS) patients with low disability.

Experimental Effects of Acute Exercise on Episodic Memory Function: Considerations for the Timing of Exercise.

Our previous work employing a between-subject randomized controlled trial design suggests that exercising prior to memory encoding is more advantageous in enhancing retrospective episodic memory function when compared to exercise occurring during or after memory encoding. The present experiment evaluates this potential temporal effect of acute exercise on memory function while employing a within-subject, counterbalanced design. In a counterbalanced order (via Latin squares), 24 participants completed four v...

Induction of Autonomous Memory Alveolar Macrophages Requires T Cell Help and Is Critical to Trained Immunity.

Innate immune memory is an emerging area of research. However, innate immune memory at major mucosal sites remains poorly understood. Here, we show that respiratory viral infection induces long-lasting memory alveolar macrophages (AMs). Memory AMs are programed to express high MHC II, a defense-ready gene signature, and increased glycolytic metabolism, and produce, upon re-stimulation, neutrophil chemokines. Using a multitude of approaches, we reveal that the priming, but not maintenance, of memory AMs requ...

Dendritic Inhibition in Layer 1 Cortex Gates Associative Memory.

Learning-related plasticity is critical for emotional memory. In this issue of Neuron,Abs et al., (2018) describe novel dynamics mediated by neurogliaform cells in layer 1 neocortex of mouse that are associated with aversive memory.

Inflammatory Mechanisms Underlying the Effects of Perceived Discrimination on Age-Related Memory Decline.

Previous research suggests that everyday discrimination is associated with worse episodic memory and partially mediates Black-White disparities in memory aging. The biological mechanisms underlying the link between everyday discrimination and memory are unclear but may involve inflammatory processes. This study aimed to determine whether systemic inflammation, indexed by blood levels of C-Reactive Protein (CRP), mediates associations between everyday discrimination and episodic memory over six years.

Calcium/calmodulin-dependent kinase II and memory destabilization: a new role in memorymaintenance.

In this review, we discuss the poorly explored role of calcium/calmodulin-dependent protein kinase II (CaMKII) in memory maintenance, and its influence on memory destabilization. After a brief review on CaMKII and memory destabilization, we present critical pieces of evidence suggesting that CaMKII activity increases retrieval-induced memory destabilization. We then proceed to propose two potential molecular pathways to explain the association between CaMKII activation and increased memory destabilization. ...

Preferential consolidation of emotionally salient information during a nap is preserved in middle age.

Sleep preferentially preserves aspects of memory that are most salient and valuable to remember at the expense of memory for less relevant details. Daytime naps and nocturnal sleep enhance this emotional memory trade-off effect, with memory for emotional components correlated with slow-wave sleep during the day and rapid eye movement sleep overnight. However, these studies have primarily sampled from young adult populations. Sleep and memory are altered by middle age, and the aim of the present study was to...

Failure of self-consistency in the discrete resource model of visual working memory.

The discrete resource model of working memory proposes that each individual has a fixed upper limit on the number of items they can store at one time,due to division of memory into a few independent "slots". According to this model, responses on short-term memory tasks consist of a mixture of noisy recall (when the tested item is in memory) and random guessing (when the item is not in memory). This provides two opportunities to estimate capacity for each observer: first, based on their frequency of random g...

Trait anxiety is associated with a decreased visual working memory capacity for faces.

Recent work has suggested that anxiety restricts working memory capacity, which may underlie a wide range of cognitive symptoms in anxiety. However, previous literature on the anxiety-visual working memory association yielded mixed results, with some studies demonstrating an anxiety-related increase in visual working memory capacity. In an attempt to gain a more thorough understanding of the relationship between anxiety and visual working memory maintenance function, the current study examined the influence...

The role of sleep in emotional memory processing in middle age.

Sleep benefits memory in young adults, and this effect may be particularly strong for representations associated with negative emotion. Many aspects of sleep important for memory consolidation change with aging, particularly by middle age, suggesting that sleep-related consolidation may be reduced. However, the influence of sleep on memory has rarely been investigated in a middle-aged population. In the current study, young and middle-aged adults viewed negative and neutral pictures and underwent a recognit...

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