Topic: Pandemic

Seminar
19 seminars
SeminarNatural Language Processing

Enhancing Qualitative Coding with Large Language Models: Potential and Challenges

Kim Uittenhove & Olivier Mucchiut
AFC Lab / University of Lausanne
Oct 16, 2023

Qualitative coding is the process of categorizing and labeling raw data to identify themes, patterns, and concepts within qualitative research. This process requires significant time, reflection, and discussion, often characterized by inherent subjectivity and uncertainty. Here, we explore the possibility to leverage large language models (LLM) to enhance the process and assist researchers with qualitative coding. LLMs, trained on extensive human-generated text, possess an architecture that renders them capable of understanding the broader context of a conversation or text. This allows them to extract patterns and meaning effectively, making them particularly useful for the accurate extraction and coding of relevant themes. In our current approach, we employed the chatGPT 3.5 Turbo API, integrating it into the qualitative coding process for data from the SWISS100 study, specifically focusing on data derived from centenarians' experiences during the Covid-19 pandemic, as well as a systematic centenarian literature review. We provide several instances illustrating how our approach can assist researchers with extracting and coding relevant themes. With data from human coders on hand, we highlight points of convergence and divergence between AI and human thematic coding in the context of these data. Moving forward, our goal is to enhance the prototype and integrate it within an LLM designed for local storage and operation (LLaMa). Our initial findings highlight the potential of AI-enhanced qualitative coding, yet they also pinpoint areas requiring attention. Based on these observations, we formulate tentative recommendations for the optimal integration of LLMs in qualitative coding research. Further evaluations using varied datasets and comparisons among different LLMs will shed more light on the question of whether and how to integrate these models into this domain.

SeminarNeuroscience

ISYNC: International SynAGE Conference on Healthy Ageing

Prof. Dr. Ulman Lindenberger, Prof. Dr. Carlos Dotti, Prof. Dr. Patrick Verstreken, Prof. Dr. James H. Cole, ...
Mar 29, 2022

The SynAGE committee members are thrilled to host ISYNC, the International SynAGE conference on healthy ageing, on 28-30 March 2022 in Magdeburg, Germany. This conference has been entirely organised from young scientists of the SynAGE research training group RTG 2413 (www.synage.de) and represents a unique occasion for researchers from all over the world to bring together and join great talks and sessions with us and our guests. A constantly updated list of our speakers can be found on the conference webpage: www.isync-md.de. During the conference, attendees will have access to a range of symposia which will deal with Glia, Biomarkers and Immunoresponses during ageing to neurodegeneration brain integrity and cognitive function in health and diseases. Moreover, the conference will offer social events especially for young researchers and the possibility to network together in a beautiful and suggestive location where our conference will take place: the Johanniskirche. The event will be happening in person, but due to the current pandemic situation and restrictions we are planning the conference as a hybrid event with lots of technical support to ensure that every participant can follow the talks and take part in the scientific discussions. The registration to our ISYNC conference is free of charge. However, the number of people attending the conference in person is restricted to 100. Afterwards, registrations will be accepted for joining virtually only. The registration is open until 15.02.2022. Especially for PhD and MD Students: Check our available Travel Grants, Poster Prize and SynAGE Award Dinner: https://www.isync-md.de/index.php/phd-md-specials/ If you need any further information don’t hesitate to contact us via email: contact@synage.de. We are looking forward to meet you in 2022 in Magdeburg to discuss about our research and ideas and bless together science. Your ISYNC organization Committee

SeminarMolecular Biology

Experience-Dependent Transcription: From Genomic Mechanisms to Neural Circuit Function

Michael Greenberg, Richard Tsien, Brenda Bloodgood, Jennifer Phillips-Cremins, Johannes Graeff
Mar 9, 2022

Experience-dependent transcription is a key molecular mechanisms for regulating the development and plasticity of synapses and neural circuits and is thought to underlie cognitive functions such as perception, learning and memory. After two years of COVID-pandemic, the goal of this online conference is to allow investigators in the field to reconnect and to discuss their recent scientific findings.

SeminarPsychiatry

Emerging Treatment Options in Psychiatry

Erik Wong
University of British Columbia
Feb 28, 2022

The World Health Organization (WHO) estimates that untreated mental disorders accountfor 13% of the total global burden of disease, and by 2030, depression alone will be the leadingcause of disability around the world – outpacing heart disease, cancer, and HIV. This grim pictureis further compounded by the mental health burden delivered by the coronavirus pandemic.The lack of novel treatment options in psychiatry is restricted by a limited understanding in theneuroscience basis of mental disorders, availability of relevant biomarkers, poor predictability inanimal models, and high failure rates in psychiatric drug development. However, theannouncement in 2019 from the Federal Drug Administration (FDA) for approvals of newinterventions for treatment-resistant depression (intranasal esketamine) and postpartumdepression (i.v. brexanolone), demand critical attention. Novel public-private partnerships indrug discovery, new translational data on co-morbid biology, in particular the ascendance ofpsycho-immunology, have highlighted the arrival of a new frontier in biological psychiatryresearch for depressive disorders.

SeminarPsychiatry

Apathy and Anhedonia in Adult and Adolescent Cannabis Users and Controls Before and During the COVID-19 Pandemic Lockdown

Martine Skumlien
University of Cambridge
Feb 23, 2022

COVID-19 lockdown measures have caused severe disruptions to work and education and prevented people from engaging in many rewarding activities. Cannabis users may be especially vulnerable, having been previously shown to have higher levels of apathy and anhedonia than non-users. In this survey study, we measured apathy and anhedonia, before and after lockdown measures were implemented, in n = 256 adult and n = 200 adolescent cannabis users and n = 170 adult and n = 172 adolescent controls. Scores on the Apathy Evaluation Scale (AES) and Snaith-Hamilton Pleasure Scale (SHAPS) were investigated with mixed-measures ANCOVA, with factors user group, age group, and time, controlling for depression, anxiety, and other drug use. Adolescent cannabis users had significantly higher SHAPS scores before lockdown, indicative of greater anhedonia, compared with adolescent controls (P = .03, η p2 = .013). Contrastingly, adult users had significantly lower scores on both the SHAPS (P < .001, η p2 = .030) and AES (P < .001, η p2 = .048) after lockdown compared with adult controls. Scores on both scales increased during lockdown across groups, and this increase was significantly smaller for cannabis users (AES: P = .001, η p2 = .014; SHAPS: P = .01, η p2 = .008). Exploratory analyses revealed that dependent cannabis users had significantly higher scores overall (AES: P < .001, η p2 = .037; SHAPS: P < .001, η p2 = .029) and a larger increase in scores (AES: P = .04, η p2 =.010; SHAPS: P = .04, η p2 = .010), compared with non-dependent users. Our results suggest that adolescents and adults have differential associations between cannabis use as well as apathy and anhedonia. Within users, dependence may be associated with higher levels of apathy and anhedonia regardless of age and a greater increase in levels during the COVID-19 lockdown.

SeminarEpidemiology

Impact evaluation for COVID-19 non-pharmaceutical interventions: what is (un)knowable?

Noah Haber
Stanford University
Jul 15, 2021

COVID-19 non-pharmaceutical intervention (NPI) policies have been one of the most important and contentious decisions of our time. Beyond even the "normal" inherent difficulties in impact evaluation with observational data, COVID-19 NPI policy evaluation is complicated by additional challenges related to infectious disease dynamics and lags, lack of direct observation of key outcomes, and a multiplicity of interventions occurring on an accelerated time scale. Randomized controlled trials also suffer from what is feasible and ethical to randomize as well as the sheer scale, scope, time, and resources required for an NPI trial to be informative (or at least not misinformative). In this talk, Dr. Haber will discuss the challenges in generating useful evidence for COVID-19 NPIs, the landscape of the literature, and highlight key controversies in several high profile studies over the course of the pandemic. Chasing after unknowables poses major problems for the metascience/replicability movement, institutional research science, and decision makers. If the only choices for informing an important topic are "weak study design" vs "do nothing," when is "do nothing" the best choice?

SeminarMedicineRecording

Rare Disease Natural History Studies: Experience from the GNAO1 Natural History study in a pre and postpandemic world

Amy R. Viehoever
Washington University, Saint Louis, USA
Feb 9, 2021
SeminarEpidemiology

SARC-CoV-2 modeling: What have we learned from this pandemic about how (not) to model disease spread?

Workshop, Multiple Speakers
Emory University
Jan 21, 2021

The SARS-CoV-2 pandemic is awash in data, including daily, spatially-resolved COVID case data, virus sequence data, patients `omics data, and mobility data. Journals are now also awash in studies that make use of quantitative modeling approaches to gain insight into the geographic spread of SARS-CoV-2 and its temporal dynamics, as well as studies that predict the impact of control strategies on SARS-CoV-2 circulation. Some, but by no means all, of these studies are informed by the massive amounts of available data. Some, but by no means all, of these studies have been useful — in that their predictions revealed something beyond simple back of the envelope calculations. To summarize some of these findings, in this symposium, we will address questions such as: What do we want from models of disease spread? What can and should be predicted? Which data are the most useful for predictions? When do we need mechanistic models? What have we learned about how to model disease spread from unmet and/or conflicting predictions? The workshop speakers will explore these questions from different perspectives on what data need to be considered and how models can be evaluated. As at other TMLS workshops, each speaker will deliver a 10-minute talk with ample time set aside for moderated questions/discussion. We expect the talks to be provocative and bold, while respecting different perspectives.

SeminarBiophysicsRecording

Soft matter physics and the COVID-19 pandemic

William Poon
The University of Edinburgh
Dec 9, 2020

Much of the science underpinning the global response to the COVID-19 pandemic lies in the soft matter domain. Coronaviruses are composite particles with a core of nucleic acids complexed to proteins surrounded by a protein-studded lipid bilayer shell. A dominant route for transmission is via air-borne aerosols and droplets. Viral interaction with polymeric body fluids, particularly mucus, and cell membranes controls their infectivity, while their interaction with skin and artificial surfaces underpins cleaning and disinfection and the efficacy of masks and other personal protective equipment. The global response to COVID-19 has highlighted gaps in the soft matter knowledge base. I will survey these gaps, especially as pertaining to the transmission of the disease, and suggest questions that can (and need to) be tackled, both in response to COVID-19 and to better prepare for future viral pandemics.

SeminarDevelopmental NeuroscienceRecording

Generation Covid-19: Should the fetus be worried?

Topun Austin
Cambridge University Hospitals NHS Foundation Trust
Dec 1, 2020

Historically pregnant women and their unborn baby have been amongst those with the poorest outcomes in previous epidemics, most notably the Zika virus. For much of 2020, with the emergence of the novel coronavirus, the effect on the fetus remains unclear. While initial reports suggest that vertical transmission with SARS-CoV2 is reassuringly rare, the complex socioeconomic, domestic and broader maternal lifestyle factors which can influence a child’s lifelong well-being have been modulated during the experience of this pandemic. The developing brain is particularly susceptible to maternal stress, resulting in permanent structural changes and increased incidence of behavioural and mental health illness later in childhood. A large international longitudinal survey is being undertaken by the Department of Psychology to better understand the impact of the pandemic on those yet to be born.

SeminarPsychologyRecording

Blursday again! What Covid-19 might tell us about real-world time experience

Ruth Ogden
School of Psychology, Liverpool John Moores University, UK
Nov 30, 2020

Global responses to the Covid-19 pandemic have resulted in various forms of “lockdown” being imposed on citizens. These lockdown measures have resulted in significant changes to all aspects of daily life for all those who live under them. Lockdowns have however, also provided a unique opportunity for psychologists to examine how changes in the structure of daily life influence our experience of time. This talk will review recent research examining the impact on covid-19 on real-world time experience. It will look to discuss whether the factors which influence “normal” time experience also influenced time experience during lockdown. Finally, it will try to highlight some potential future directions for enhancing our understanding of real-life time distortion.

SeminarPublic Health

The early impact of COVID-19 on mental health and community physical health services and their patients’ mortality in Cambridgeshire and Peterborough, UK

Rudolf Cardinal
Department of Psychiatry, University of Cambridge
Nov 10, 2020

COVID -19 has affected social interaction and healthcare worldwide. This talk will focus on the impact of the pandemic and “lockdown” on mental health services, community physical health services, and patient mortality in Cambridgeshire and Peterborough, based on the analysis of de-identified data from the primary NHS provider of secondary care mental health services to this population (~0.86 million)

SeminarPsychology

Investigating the impact of the pandemic on adolescent anxiety and cognitive function

Meg Atwood
University of Bristol
Nov 10, 2020

Meg was awarded funding to look into how the coronavirus pandemic has affected children's mental health and wellbeing.

SeminarEpidemiologyRecording

Population studies and ageing brains, in a time of COVID

Carol Brayne
Department of Public Health and Primary Care, University of Cambridge
Nov 2, 2020

This presentation will include a brief resume of research in older populations led from Cambridge that have informed current clinical understanding and policy regarding services and prevention for and of dementia. These population studies have more recently been ‘re-purposed’ with enthusiasm from participants into a trial platform, and this also has enabled ongoing follow-up by telephone during the COVID pandemic. Although there are no formal outputs from these latter developments general impressions will be shared.

SeminarBiomedical EngineeringRecording

Lab-on-a-chip and diagnostic tools for COVID-19

Connie B. Chang
Montana State University
Oct 28, 2020

The SARS-CoV-2 virus has rapidly evolved into a pandemic that is threatening public health, economics, and quality of life worldwide. The gold-standard for testing individuals for COVID-19 is using traditional RT-qPCR, which is expensive and can take up to several hours. Expanding surveillance across a global scale will call for new strategies and tests that are inexpensive, require minimal reagents, decrease assay time, and allow for simple point-of-care (POC) monitoring without need of trained personnel and with quick turnaround time. To expand the speed of COVID-19 surveillance, we are working on a point-of-care microfluidic chip to enable significantly faster and easier testing. This is based upon digital drop loop-mediated isothermal amplification that will allow for rapid testing of large populations at a reasonable cost. The device will employ a nucleic-acid based test called reverse transcriptase LAMP (RT- LAMP) that operates at a temperature of 60-65°C. RT-LAMP removes the bottleneck of thermal cycling and high temperatures required by traditional RT-qPCR thermocycling. The simplicity, speed, and sensitivity will enable early treatment and response to infection.

SeminarPsychologyRecording

The impact of Covid-19 on the mental health of children and young people

Tamsin Ford
Department of Psychiatry, University of Cambridge
Oct 27, 2020

The recent pandemic arrived at a time when mental health of children and young people was deteriorating, particular among teenage girls and young women. Lockdown produced a plethora of mental health surveys, but very few of these had pre-pandemic data. This talk will summarise the current evidence of how covid-19 seems to have affected the mental health of children and young people from various studies in the UK.

SeminarMedicine

Neurological consequences of COVID-19

Harriet Ball, Liz Coulthard, Claire Rice
University of Bristol
Oct 20, 2020

The speakers will outline how neurologists in Bristol have been research-active during the COVID-19 pandemic including our contribution to national and international surveillance programmes as well as initiating research studies such as an evaluation of the impact of COVID anxiety on sleep and neurodegeneration and determining whether vascular changes in the eye predict COVID-19 severity.

SeminarPublic HealthRecording

Is the COVID-19 pandemic really causing mental illness?

Paul Fletcher
Department of Psychiatry, University of Cambridge
Oct 13, 2020
SeminarBiochemistryRecording

Towards resolving the Protein Paradox in longevity and late-life health

Stephen J. Simpson
University of Sydney
Sep 7, 2020

Reducing protein intake (and that of key amino acids) extends lifespan, especially during mid-life and early late-life. Yet, due to a powerful protein appetite, reducing protein in the diet leads to increased food intake, promoting obesity – which shortens lifespan. That is the protein paradox. In the talk I will bring together pieces of the jigsaw, including: specific nutrient appetites, protein leverage, macronutrient interactions on appetite and ageing, the role of branched-chain amino acids and FGF-21, and then I will conclude by showing how these pieces fit together and play out in the modern industrialised food environment to result in the global pandemic of obesity and metabolic disease.

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