Unicorn, Hare, or Tortoise? Using Machine Learning to Predict Working Memory Training Performance.

People differ considerably in the extent to which they benefit from working memory (WM) training. Although there is increasing research focusing on individual differences associated with WM training outcomes, we still lack an understanding of which specific individual differences, and in what combination, contribute to inter-individual variations in training trajectories. In the current study, 568 undergraduates completed one of several N-back intervention variants over the course of two weeks.

Investigating the Role of Individual Differences in Adherence to Cognitive Training.

Consistent with research across several domains, intervention adherence is associated with desired outcomes. Our study investigates adherence, defined by participants' commitment to, persistence with, and compliance with an intervention's regimen, as a key mechanism underlying cognitive training effectiveness. We examine this relationship in a large and diverse sample comprising 4,775 adults between the ages of 18 and 93.

Near transfer to an unrelated N-back task mediates the effect of N-back working memory training on matrix reasoning.

The extent to which working memory training improves performance on untrained tasks is highly controversial. Here we address this controversy by testing the hypothesis that far transfer may depend on near transfer using mediation models in three separate randomized controlled trials (RCTs). In all three RCTs, totalling 460 individuals, performance on untrained N-back tasks (near transfer) mediated transfer to Matrix Reasoning (representing far transfer) despite the lack of an intervention effect in RCTs 2 and 3.

Video-Based Remote Administration of Cognitive Assessments and Interventions: a Comparison with In-Lab Administration.

While remote data collection is not a new concept, the quality and psychometric properties of data collected remotely often remain unclear. Most remote data collection is done via online survey tools or web-conferencing applications (i.e.

UCancellation: A new mobile measure of selective attention and concentration.

Measuring selective attention in a speeded task can provide valuable insight into the concentration ability of an individual, and can inform neuropsychological assessment of attention in aging, traumatic brain injury, and in various psychiatric disorders. There are only a few tools to measure selective attention that are freely available, psychometrically validated, and can be used flexibly both for in-person and remote assessment. To address this gap, we developed a self-administrable, mobile-based test called "UCancellation" (University of California Cancellation), which was designed to assess selective attention and concentration and has two stimulus sets: Letters and Pictures.

Multisensory Facilitation of Working Memory Training.

Research suggests that memorization of multisensory stimuli benefits performance compared to memorization of unisensory stimuli; however, little is known about multisensory facilitation in the context of working memory (WM) training and transfer. To investigate this, 240 adults were randomly assigned to an N-back training task that consisted of visual-only stimuli, alternating visual and auditory blocks, or audio-visual (multisensory) stimuli, or to a passive control group. Participants in the active groups completed 13 sessions of N-back training (6.

Accelerated atherosclerosis in premenopausal women with rheumatoid arthritis - 15-year follow-up.

Rheumatoid arthritis (RA) is a chronic inflammatory disease associated with increased mortality and morbidity due to the higher cardiovascular risk in these patients. Traditional risk factors are not the only answer for the accelerated atherosclerosis. In a long-term prospective study, we investigated the relationship between asymptomatic atherosclerosis and traditional risk factors and inflammatory markers in patients with RA and matched healthy controls.

N-Back Related ERPs Depend on Stimulus Type, Task Structure, Pre-processing, and Lab Factors.

The N-Back, a common working memory (WM) updating task, is increasingly used in basic and applied psychological research. As such, an increasing number of electroencephalogram (EEG) studies have sought to identify the electrophysiological signatures of N-Back task performance. However, , , pre-processing methods, and differences in the laboratory environment, including the EEG recording setup employed, greatly vary across studies, which in turn may introduce inconsistencies in the obtained results.

Application of Machine Learning Models for Tracking Participant Skills in Cognitive Training.

A key need in cognitive training interventions is to personalize task difficulty to each user and to adapt this difficulty to continually apply appropriate challenges as users improve their skill to perform the tasks. Here we examine how Bayesian filtering approaches, such as hidden Markov models and Kalman filters, and deep-learning approaches, such as the long short-term memory (LSTM) model, may be useful methods to estimate user skill level and predict appropriate task challenges. A possible advantage of these models over commonly used adaptive methods, such as staircases or blockwise adjustment methods that are based only upon recent performance, is that Bayesian filtering and deep learning approaches can model the trajectory of user performance across multiple sessions and incorporate data from multiple users to optimize local estimates.

Divergent Research Methods Limit Understanding of Working Memory Training.

Working memory training has been a hot topic over the last decade. Although studies show benefits in trained and untrained tasks as a function of training, there is an ongoing debate on the efficacy of working memory training. There have been numerous meta-analyses put forth to the field, some finding overall broad transfer effects while others do not.

STAT signaling as a marker of SLE disease severity and implications for clinical therapy.

The Janus kinase/signal transduction and activator of transcription (JAK-STAT) signaling pathway is implicated in the pathogenesis of autoimmune diseases, including systemic lupus erythematosus (SLE). While small-molecule JAK inhibitors (Jakinibs) are currently under investigation for SLE, results of recent studies suggest, that the efficacy of drugs such as methotrexate (MTX) may also be due to their ability to suppress phosphorylation of STAT proteins. A previously identified STAT5 phosphorylation (pSTAT5) and STAT1 protein expression »signature« in circulating CD4+ T cells of patients with SLE was associated with perturbed homeostasis between conventional (Tcon) and activated regulatory (aTreg) subset and with time-adjusted cumulative disease activity during follow-up.

Validation of a matrix reasoning task for mobile devices.

Many cognitive tasks have been adapted for tablet-based testing, but tests to assess nonverbal reasoning ability, as measured by matrix-type problems that are suited to repeated testing, have yet to be adapted for and validated on mobile platforms. Drawing on previous research, we developed the University of California Matrix Reasoning Task (UCMRT)-a short, user-friendly measure of abstract problem solving with three alternate forms that works on tablets and other mobile devices and that is targeted at a high-ability population frequently used in the literature (i.e.

[Spectral Domain Optical Coherence Tomographic Findings in Systemic Lupus erythematosus in Patients Treated with Chloroquine].

Purpose: To recognise possible retinal changes in patients with SLE treated with chloroquine phosphate, as depending on the duration of treatment.

Methods: The study included 41 patients (82 eyes) who received treatment for SLE with chloroquine or hydroxychloroquine phosphate and had not previously been diagnosed with retinal pathology. Participants were divided into two groups according to the duration of treatment.

rTMS evidence for a dissociation in short-term memory for spoken words and nonwords.

Differing patterns of verbal short-term memory (STM) impairment have provided unique insights into the relationship between STM and broader language function. Lexicality effects (i.e.

The Effects of Theta and Gamma tACS on Working Memory and Electrophysiology.

A single blind sham-controlled study was conducted to explore the effects of theta and gamma transcranial alternating current stimulation (tACS) on offline performance on working memory tasks. In order to systematically investigate how specific parameters of tACS affect working memory, we manipulated the frequency of stimulation (theta frequency vs. gamma frequency), the type of task (n-back vs.

HPLC-MS/MS method optimisation for matrix metalloproteinase 3 and matrix metalloproteinase 9 determination in human blood serum using target analysis.

A quantitative analysis of zinc endopeptidases matrix metalloproteinase 9 (MMP9) and matrix metalloproteinase 3 (MMP3) from human blood serum are presented. Both matrix metalloproteinases (MMP) are present in human blood serum and can be used as biomarkers for different diseases. The analysis was performed using LC-MS/MS with a triple quadrupole mass spectrometer, based on two specific peptides of each MMP in comparison with an enzyme-linked immunosorbent assay (ELISA).

Opportunities and challenges in rheumatology research in Central Europe.

The Central European Congress of Rheumatology (CECR) has been organized by seven Central European countries: Austria, Croatia, Czech Republic, Hungary, Poland, Slovakia, and Slovenia. These countries have lots of similarities, but also differences, with respect to rheumatology research. In this paper, based on questionnaires, we wish to demonstrate achievements and difficulties in rheumatology research performed in our region.

[Development of Non-Arteritic Anterior Ischaemic Optic Neuropathy in the Initially Unaffected Fellow Eye in Patients Treated with Systemic Corticosteroids].

The objective of this prospective pilot study was to evaluate the results of systemic corticosteroid therapy in patient with non-arteritic anterior ischaemic neuropathy of the optical nerve (NAION) for an observation period of one year and to measure the NAION incidence in the initially healthy contralateral eye of these patients. All patients diagnosed with acute NAION who were admitted to our ward during 2014 and who fulfilled all inclusion criteria for systemic corticosteroid therapy were included in the study. The inclusion criteria were corrected visual acuity of 0.

Increased Levels of STAT1 Protein in Blood CD4 T Cells from Systemic Lupus Erythematosus Patients Are Associated with Perturbed Homeostasis of Activated CD45RAFOXP3 Regulatory Subset and Follow-Up Disease Severity.

In murine systemic lupus erythematosus (SLE), aberrant regulation of interferon (IFN)-alpha-STAT1 signaling and perturbed homeostasis of CD4FOXP3 regulatory T cells (Tregs) were described. In the present study, STAT1 signaling and circulating Treg subsets were assessed by flow cytometry in 39 SLE patients and their potential association with disease course was examined during long-term follow-up. Levels of STAT1 protein as measured by median fluorescence intensity (MFI) were significantly increased in SLE CD4 T cells when compared with rheumatoid arthritis patients and healthy controls and were positively correlated with disease activity.

STAT5 phosphorylation in CD4 T cells from patients with SLE is related to changes in their subsets and follow-up disease severity.

Activation of the STAT5 signaling pathway up-regulates antiapoptotic protein Bcl2 and drives proliferation of autoreactive conventional CD4 T cells (T). In systemic lupus erythematosus (SLE), an increased T cell Bcl2 content and perturbed homeostasis of CD45RAFOXP3 activated regulatory T cells (aT) were described. We assessed T/T subsets and phosphorylation of STAT5 (pSTAT5) in blood T cells from patients with SLE by using conventional and imaging flow cytometry.

Making Brains run Faster: are they Becoming Smarter?

A brief overview of structural and functional brain characteristics related to g is presented in the light of major neurobiological theories of intelligence: Neural Efficiency, P-FIT and Multiple-Demand system. These theories provide a framework to discuss the main objective of the paper: what is the relationship between individual alpha frequency (IAF) and g? Three studies were conducted in order to investigate this relationship: two correlational studies and a third study in which we experimentally induced changes in IAF by means of transcranial alternating current stimulation (tACS). (1) In a large scale study (n = 417), no significant correlations between IAF and IQ were observed.

[E-PTFE Membrane for the Management of Perforated Corneal Ulcer].

To present the surgical management of perforated corneal ulcer using PRECLUDE® Pericardial Membrane, composed of expanded polytetrafluoroethylene (e-PTFE; GORE-TEX®), as an alternative surgical procedure in patients at high risk of graft rejections and to evaluate side effects for a prolonged period. The study included all patients who were admitted to our department and underwent surgical repair of perforated corneal ulcer with the e-PTFE membrane between 2010 and 2015. In total, 8 patients (8 eyes) were enrolled.

EEG alpha frequency correlates of burnout and depression: The role of gender.

EEG alpha frequency band biomarkers of depression are widely explored. Due to their trait-like features, they may help distinguish between depressive and burnout symptomatology, which is often referred to as "work-related depression". The present correlational study strived to examine whether individual alpha frequency (IAF), power, and coherence in the alpha band can provide evidence for establishing burnout as a separate diagnostic entity.

[Clinical Findings in Patients with Non-Arteritic Anterior Ischemic Optic Neuropathy (NA-AION) Under 50 Years of Age].

Background: The aim of our study was to determine the prevalence of NA-AION patients younger than 50 years among all our NA-AION patients and to compare clinical findings between young and elderly NA-AION patients.

Methods: This was a retrospective review of complete ophthalmic examinations, including fluorescein angiography and visual field testing, performed on all patients with the first attack of acute NA-AION admitted to our department during the period of ten years (2004 to 2013). Of 120 NA-AION patients, 10 (8.