Ecological momentary assessment (EMA) is a method capable of assessing tinnitus experience throughout the day, enabling the exploration of daily dynamic changes of tinnitus expression. However, the effects on patients' tinnitus experience itself are still largely unknown. This study seeks to test the hypothesis that the use of EMA negatively influences tinnitus experience in participants with severe tinnitus. A multiple-baseline single-case experimental design included four severely affected tinnitus volunteers who were recruited online and randomized into different phasing schedules. Baseline phase (A) ranged from 11 to 24 days, followed by an EMA phase (B) for the remainder of the 33-day schedule. End-of-day diary assessments of tinnitus experience (e.g., annoyance, intrusiveness, mood) were visually inspected, and complemented with inferential statistics (randomization tests and Tau-U). End-of-day diary data revealed no change in broadened median between phases. Nevertheless, tinnitus experience scores improved as variability decreased and a significant improvement in stress was observed through weighted Tau-U statistics. Findings of this study corroborate that EMA assessment does not negatively affect tinnitus experience. On the contrary, participants may have improved. The underlying mechanism of improvements are still to be uncovered. Findings are limited to severely affected tinnitus sufferers at present. Findings of this study corroborate that EMA assessment does not negatively affect tinnitus experience. On the contrary, participants may have improved. The underlying mechanism of improvements are still to be uncovered. Findings are limited to severely affected tinnitus sufferers at present. Transcranial Direct Current Stimulation (tDCS) aims to induce cortical plasticity by modulating the activity of brain structures. The broad stimulation pattern, which is one of the main limitations of tDCS, can be overcome with the recently developed technique called High-Definition tDCS (HD-tDCS). Investigation of the effect of HD-tDCS on tinnitus in a large patient cohort. This prospective study included 117 patients with chronic, subjective, non-pulsatile tinnitus who received six sessions of anodal HD-tDCS of the right Dorsolateral Prefrontal Cortex (DLPFC). Therapy effects were assessed by use of a set of standardized tinnitus questionnaires filled out at the pre-therapy (T ), post-therapy (T ) and follow-up visit (T ). https://www.selleckchem.com/products/cb1954.html Besides collecting the questionnaire data, the perceived effect (i.e., self-report) was also documented at T . The Tinnitus Functional Index (TFI) and Tinnitus Questionnaire (TQ) total scores improved significantly over time (p <0.01; p <0.01), with the following significant post hoc comparisons T vs. T (p <0.05; p <0.05) and T vs. T (p <0.01; p <0.01). The percentage of patients reporting an improvement of their tinnitus at T was 47%. Further analysis revealed a significant effect of gender with female patients showing a larger improvement on the TFI and TQ (p <0.01; p <0.05). The current study reported the effects of HD-tDCS in a large tinnitus population. HD-tDCS of the right DLPFC resulted in a significant improvement of the tinnitus perception, with a larger improvement for the female tinnitus patients. The current study reported the effects of HD-tDCS in a large tinnitus population. HD-tDCS of the right DLPFC resulted in a significant improvement of the tinnitus perception, with a larger improvement for the female tinnitus patients.Tinnitus is a heterogeneous phenomenon indexed by various EEG oscillatory profiles. Applying neurofeedback (NFB) with the aim of changing these oscillatory patterns not only provides help for those who suffer from the phantom percept, but a promising foundation from which to probe influential factors. The reliable attribution of influential factors that potentially predict oscillatory changes during the course of NFB training may lead to the identification of subgroups of individuals that are more or less responsive to NFB training. The present study investigated oscillatory trajectories of delta (3-4Hz) and individual alpha (8.5-12Hz) during 15 NFB training sessions, based on a Latent Growth Curve framework. First, we found the desired enhancement of alpha, while delta was stable throughout the NFB training. Individual differences in tinnitus-specific variables and general-, as well as health-related quality of life predictors were largely unrelated to oscillatory change prior to and across the training. Only the predictors age and sex at baseline were clearly related to slow-wave delta, particularly so for older female individuals who showed higher delta power values from the start. Second, we confirmed a hierarchical cross-frequency association between the two frequency bands; however, in opposing directions to those anticipated in tinnitus. The establishment of individually tailored NFB protocols would boost this therapy's effectiveness in the treatment of tinnitus. In our analysis, we propose a conceptual groundwork toward this goal of developing more targeted treatment. Tinnitus is a symptom and not a disease in its own right. A number of medical conditions are known to increase the risk of developing tinnitus. Most known risk factors are otological or neurological, but general health and lifestyle can also precipitate the condition. Understanding these modifiable risk factors can help to identify vulnerable groups and can inform preventive actions to reduce likelihood of developing tinnitus. Smoking, alcohol consumption, body mass index (BMI) and caffeine intake are all lifestyle risk factors hypothesized to be related to tinnitus. Nonetheless, research findings in support of those relationships are somewhat mixed. A systematic review was conducted to identify all relevant studies on the specific risk factors. Findings were summarized using a narrative synthesis and meta-analysis, where possible. Overall 384 studies were included, mostly using cross-sectional designs. Findings indicated significantly increased risk of tinnitus among current (based on 26 studies) and ever smokers (based on 16 studies) and among obese people (based on seven studies), but no effect of alcohol consumption (based on 11 studies).