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The transdiagnostic data-driven research associated with children's actions and the useful connectome.
BACKGROUND The olfactory system is able to detect external odours through the orthonasal- and internal odours through the retronasal route. Flavour perception strongly relies on the sense of smell and this back route. In contrast to orthonasal, retronasal olfactory tests (ROT) are less frequently applied, although testing should be recommended for several reasons. The aim of the present investigation was to propose a suitable form of ROT for home-testing (and postal distribution) and evaluate a retronasal screening test. METHODOLOGY Initially, 111 participants were tested using a 27-item version of the Candy Smell Test (CST). Fifty-four participants performed retesting, of which 25 subjects did so in a home-setting being supplied with professionally packed "candy-chains". Seven candies were chosen by means of hit rate differences in normosmics and severely hyposmics/anosmics. The 7-CST is designed in a non-forced-choice fashion with same seven flavours to choose from. RESULTS For the 27-item CST both groups (subjects performing home-testing and those performing retesting at the clinic) showed highly significant test-rest-reliabilities. The 7-CST was capable of discriminating healthy from diseased subjects when being tested in 116 healthy subjects and 47 patients suffering from olfactory dysfunction. CONCLUSION The CST is suitable for home-testing and postal distribution. The new 7-item CST can be valuable for rapidly revealing anosmics. These findings help in further standardizing ROT, may encourage rhinologists to more routinely evaluate retronasal olfactory abilities and pave the way for larger epidemiologic studies also in regard to food preferences and nutritional behaviour.Statistical significance is used to analyse research findings and is together with biased free trials the cornerstone of evidence based medicine. However traditional statistics are based on the assumption that the population investigated is homogeneous without smaller hidden subgroups. The clinical, inflammatory, immunological, biochemical, histochemical and genetic-epigenetic heterogeneity of similar looking endometriosis lesions is a challenge for research and for diagnosis and treatment of endometriosis. The conclusions obtained by statistical testing of the entire group are not necessarily valid for subgroups. The importance is illustrated by the fact that a treatment with a beneficial effect in 80% of women but with exactly the same but opposite effect, worsening the disease in 20%, remains statistically highly significant. Since traditional statistics are unable to detect hidden subgroups, new approaches are mandatory. For diagnosis and treatment it is suggested to visualise individual data and to pay specific attention to the extremes of an analysis. For research it is important to integrate clinical, biochemical and histochemical data with molecular biological pathways and genetic-epigenetic analysis of the lesions. Copyright © 2019 Facts, Views & Vision.[This corrects the article on p. 5 in vol. 11, PMID 31695854.]. Copyright © 2019 Facts, Views & Vision.Background The relationship between food and health is known since the antiquity and in the field of rheumatic and musculoskeletal diseases (RMDs), mainly rheumatoid arthritis (RA), a large number of studies has been published over the last 50 years encompassing different aspects of nutrition. This led to postulate a role of nutrients for both primary prevention of RMDs in the general population and secondary prevention of disease flares and complications in patients with an established RMD. Main body of abstract We aimed to summarise and critically discuss current evidence on the role of different nutrients and dietary regimens in RMDs with a focus on RA. Over the last years, some seminal papers proved that some compounds, such as salt, can directly modulate the immune system and large epidemiological studies have been linking dietary patters with the risk to develop RMDs. However, physicians' knowledge about the role of diet in disease prevention and treatment is often poor and ultimately diet is rarely perceived as a companion of pharmacological treatment. Conclusions Based on the currently available evidence, we are not (yet?) in the phase of putting diet on the same level as pharmacological treatment in RMDs and in particular, RA, but future studies will likely shed additional light on this controversial topic and at least might suggest a value as dietary prevention of risk factors. © The Author(s) 2020.Background Treatments for anxiety disorders are among the most effective in psychiatry. Yet, there is considerable room for improvement. Aim In this paper, we discuss the value of ecological momentary assessment as a research method and clinical tool. Methods We begin by describing ecological momentary assessment and its advantages, including the ability to collect ecologically valid information about mental disorders, in real time, in individual patients. We then illustrate the value of this approach for anxiety disorder treatment using two patients with panic disorder who completed ecological momentary assessments for 2 weeks before and after a cognitive-behavioural therapy intervention. We focus especially on two key pieces of information provided by ecological momentary assessment data information about symptom dynamics and information about the relationships among symptoms as they unfold over time within individual patients. Perspective Although considerable work is needed to further develop this methodology in the context of anxiety disorder treatment, we believe that these pieces of information may ultimately inform our understanding of how anxiety disorder treatments have their effect and how those treatments can be tailored to individual patients. learn more © Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.Background Reproducibility is a cornerstone of scientific advancement; however, many published works may lack the core components needed for study reproducibility. Aims In this study, we evaluate the state of transparency and reproducibility in the field of psychiatry using specific indicators as proxies for these practices. Methods An increasing number of publications have investigated indicators of reproducibility, including research by Harwicke et al, from which we based the methodology for our observational, cross-sectional study. From a random 5-year sample of 300 publications in PubMed-indexed psychiatry journals, two researchers extracted data in a duplicate, blinded fashion using a piloted Google form. The publications were examined for indicators of reproducibility and transparency, which included availability of materials, data, protocol, analysis script, open-access, conflict of interest, funding and online preregistration. Results This study ultimately evaluated 296 randomly-selected publications with a 3.
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