Louise Arseneault
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larseneault.bsky.social
Louise Arseneault
@larseneault.bsky.social
1.2K followers 300 following 130 posts
Professor of Developmental Psychology at KCL IoPPN. Never fits in. Fellow of @acmedsci + @AcadSocSciences
https://linktr.ee/l_arseneault
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larseneault.bsky.social
Louise Arseneault @larseneault.bsky.social · Oct 2
🎉We are celebrating 2,500+ datasets on the #AtlasLongitudinalDatasets! This milestone wouldn't be possible without our funder @wellcometrust.bsky.social, #livedexperience experts, and community of users! Thank you for supporting the Atlas!
Find 2,500+ datasets on atlaslongitudinaldatasets.ac.uk
On the left, a world map is covered with clustered location pins representing datasets. Logos of The Wellcome Trust, King’s College London, and MQ Mental Health Research are displayed along the bottom. On the right, a logo for the Atlas of Longitudinal Datasets under which bold text reads: 'We’re celebrating 2,500 datasets!'
larseneault.bsky.social
The #AtlasLongitudinalDatasets is your one-stop shop for all things longitudinal!
🔎 Search, filter and explore your way through 2,600+ datasets from around the world!
@kingsioppn.bsky.social @popres-uk.bsky.social @wellcometrust.bsky.social @mqmentalhealth.bsky.social
A laptop displaying the explore page of the Atlas of Longitudinal Datasets. Text that reads: Explore 2600+ datasets from across the World. On the atlas of Longitudinal Datasets. A longitudinal datasets discoverability platform funded by the Wellcome Trust. ” Logos: MQ, Wellcome, King’s College London and Atlas of Longitudinal Datasets.
February 13, 2026 at 2:04 PM
larseneault.bsky.social
The UK Wellcome Mental Health Data Prize is opening soon, and strong proposals build on existing data.
www.socialfinance.org.uk/impact/the-w...
Got an idea for a digital tool to support early intervention in mental health but unsure which data or measures to use? Check out our free resources! 1/2
The Wellcome Mental Health Data Prize UK
Social Finance is launching The Wellcome Mental Health Data Prize 2026, which supports teams developing new data tools for mental health science.
www.socialfinance.org.uk
February 5, 2026 at 10:20 AM
Reposted by Louise Arseneault
kingsioppn.bsky.social
Despite rates of poor #mentalhealth and #suicide recovering since the outbreak of #COVID19, Ireland is seeing an increase in the number of young people repeatedly self harm.

Click the link to learn more👇

bit.ly/4kbFB8R
Worrying rise in self-harm among Irish adolescents | King's College London
New research has found that while rates of poor mental health and suicide attempts among Irish adolescents have largely recovered from the peaks seen during the COVID-19 pandemic, repeated self-harm i...
bit.ly
February 2, 2026 at 9:54 AM
Reposted by Louise Arseneault
niamhdooley.bsky.social
Rates of most distress measures peaked during the COVID years (2020-21). The proportion of teens repetitively self-harming did not return to pre-COVID levels, unlike other measures of distress.
January 29, 2026 at 12:42 PM
Reposted by Louise Arseneault
niamhdooley.bsky.social
A group of young people with lived experience of mental health challenges helped to interpret these results and unpick some possible reasons for them
January 29, 2026 at 12:42 PM
Reposted by Louise Arseneault
niamhdooley.bsky.social
Two groups showed particularly high levels of psychological distress: (1) those identifying as transgender/gender-diverse & (2) those in Youthreach or Further Education and Training centres ("early school leavers")
January 29, 2026 at 12:42 PM
Reposted by Louise Arseneault
niamhdooley.bsky.social
Our new study on the prevalence of psychological distress among adolescents in Ireland is out.

We looked at anonymous surveys from over 20,000 adolescents across Ireland and explored at how rates of poor mental health, repetitive self-harm and suicide attempt were changing. Read more below! ⤵️
Trends in psychological distress among adolescents in Ireland: survey data from 2018 to 2023 & lived experience perspective - Social Psychiatry and Psychiatric Epidemiology
Social Psychiatry and Psychiatric Epidemiology - This study aimed to estimate the prevalence of poor mental health, repetitive self-harm, and suicide attempts among adolescents in Ireland between...
link.springer.com
January 29, 2026 at 12:42 PM
Reposted by Louise Arseneault
popres-uk.bsky.social
📢 New funding call from Population Research UK! Over £900K available to establish a policy exchange connecting policymakers & LPS researchers. Join our webinar on 28 January to learn more about the scope, expected deliverables and how to apply. Register: shorturl.at/Bf07f
Copy reads: “Funding call webinar, policy exchange, 28 January 2026, 15:00 – 16:00, online”. Left side: black text on white background. Right side: word “policy” highlighted in pink. Population Research UK logo at the top left.
January 14, 2026 at 5:11 PM
larseneault.bsky.social
One year of the #AtlasLongitudinalDatasets!
Since we launched the Atlas 1 year ago thousands of you have used the platform to explore the global longitudinal dataset landscape!
Thank you for your support and we’re excited to keep working together to unlock the full potential of longitudinal data!
A balloon in the shape of number 1 surrounded by confetti on a blue background with text that reads: We are celebrating 1 year since the launch of the Atlas! We're excited to keep working together to unlock full potential of longitudinal data! Logos: Wellcome trust, MQ mental health, King’s college London, Atlas of longitudinal datasets
January 22, 2026 at 3:48 PM
larseneault.bsky.social
🎆2025 was a huge year for the #AtlasLongitudinalDatasets, full of launches, updates, milestones, new team members, conferences, webinars and more!
There is even more to come in 2026.
Stay tuned!
@kingsioppn.bsky.social @wellcometrust.bsky.social @mqmentalhealth.bsky.social @popres-uk.bsky.social
January 16, 2026 at 10:50 AM
larseneault.bsky.social
🎁🎉Happy Festivities!🎁🎉
We look forward to 2026 and are incredibly grateful for the support and enthusiasm you have shown the #CatalogueMHM and the #AtlasLongitudinalDatasets this year!
A festive holiday greeting card with a white background framed by green pine branches, pinecones, and red berries. At the top, in large red script, it says “Happy festivities.” Below, in smaller text, the message reads: “As we reflect on our progress and achievements in 2025, we are truly grateful for the research community that uses and supports the Catalogue of Mental Health Measures and the Atlas of Longitudinal Datasets. Your enthusiasm for what we do means the world to us! We’re excited for the coming year and remain committed to improving the Catalogue and the Atlas to facilitate longitudinal research in 2026. We wish you a happy and healthy new year!” At the bottom are three logos: Atlas of Longitudinal Datasets, Catalogue of Mental Health Measures, and PALM (Platforms for Longitudinal Mental Health Data).
December 11, 2025 at 11:04 AM
larseneault.bsky.social
💻 Does Cybervictimisation contribute to poor mental health in young people?
In our new paper in the @lancetchildadol.bsky.social, led by Dr Frédéric Thériault-Couture, we found that 1 in 5 young people were cybervictimised during adolescence, and it contributed to anxiety.
🔗 doi.org/10.1016/S235...
December 9, 2025 at 12:14 PM
Reposted by Louise Arseneault
kingsioppn.bsky.social
New research establishes direct causal link btw #cyberbullying + #anxiety in young people

Researchers (@larseneault.bsky.social, FredericThériault-Couture, Philip Shaw) are calling for policy makers to look beyond online safety when considering how to protect teenagers
www.kcl.ac.uk/news/debates...
Debates about bullying need to look beyond online safety say researchers | King's College London
Only two per cent of young people who experience cyberbullying by the age 18 report exclusively being abused online.
www.kcl.ac.uk
December 9, 2025 at 10:03 AM
larseneault.bsky.social
🔎Explore Mental Health data on the #CatalogueMHM!
🌿The Catalogue offers in-depth item-level information on mental health data collection at each wave across 63 longitudinal datasets from across the UK.
Check it out here: www.cataloguementalhealth.ac.uk
December 4, 2025 at 12:49 PM
larseneault.bsky.social
🍂The #CatalogueMHM Autumn 2025 Newsletter is out! 🍂
Check out the news and updates below!

@kingsioppn.bsky.social @popres-uk.bsky.social @wellcometrust.bsky.social @mqmentalhealth.bsky.social @the-sra.org.uk @ukri.org @lborouniversity.bsky.social
November 28, 2025 at 3:52 PM
larseneault.bsky.social
🔍 Want to get the most out of the Atlas of Longitudinal Datasets?
We offer free online webinars with a tailored introduction and live demo to help you navigate the platform and make the most of its features.
📩 Interested? Email us to schedule a session: [email protected]
Promotional graphic for free online webinars by the Atlas of Longitudinal Datasets. The main heading reads “We host Webinars!” followed by text inviting people to join free, online, international webinars. It mentions previous audiences such as researchers, students, and study teams. A call-to-action says “Contact us to set one up today!” with an email address: atlas.longitudinaldatasets@kcl.ac.uk. On the right, there are three icons with text: “Learn about the Atlas,” “Tailored sessions showing how our platform can help you,” and “Engage in a live demo on how to use the Atlas.” Features screenshots of the Atlas platform on desktop, laptop, and mobile. Logos for the Atlas of Longitudinal Datasets, Wellcome Trust, MQ Mental Health, and King’s College London are displayed.
November 20, 2025 at 11:11 AM
larseneault.bsky.social
🖥️One tool with endless possibilities!
🔎Use the #AtlasLongitudinalDatasets to explore, filter, view, compare and save your way through 2500+ longitudinal datasets from 180+ countries around the world! 🗺️
Check out our free and easy-to-use platform here: atlaslongitudinaldatasets.ac.uk
A promotional graphic for the Atlas of Longitudinal Datasets. The image has a yellow border and features the tagline “One tool, Endless possibilities” in bold black text on the left. Below the tagline are three logos: King’s College London, MQ Mental Health Research, and Wellcome Trust. On the right, three devices are shown, each displaying screenshots of the Atlas platform on a desktop monitor, a laptop, and a tablet device. Each device has accompanying text: “Explore thousands of datasets using a designated search engine” (desktop) “Use filters to narrow down your search to the datasets most relevant to your research questions” (laptop) “View datasets as part of a list or on a map” (desktop) “Compare the unique features of datasets” (laptop) “Save your search terms and results” (tablet).
November 6, 2025 at 1:30 PM
larseneault.bsky.social
🌐The #CatalogueMHM just got more connected!
The new ‘Other useful resources’ feature links the applicable dataset to related data, helping platforms work better together and creating a more connected data landscape!
Explore it here 👉https://www.cataloguementalhealth.ac.uk/?content=home
Graphic promoting the Catalogue of Mental Health Measures’ new “Other useful resources” feature. Green text and shapes explain that the feature helps users find connected resources and navigate to additional platforms from dataset pages. A smartphone mockup shows the Catalogue site with highlighted logos for Health Data Research UK, Atlas of Longitudinal Datasets, and CLOSER Discovery.
October 30, 2025 at 11:11 AM
larseneault.bsky.social
🚨 New data sweeps just dropped on the #CatalogueMHM!
Explore data sweeps from ALSPAC, UK Biobank, and the Southampton Women’s Survey (SWS).

Check out the new sweeps using this link
👉 www.cataloguementalhealth.ac.uk?content=home
An announcement image for the Catalogue of Mental Health Measures reads: 'New data collection sweeps on the catalogue!' The background shows a cyclist sitting beside an orange bike, overlooking a green mountain range and a blue lake under a clear sky. The Catalogue of Mental Health Measures logo appears on the left, under the title, while logos for Understanding Society, Children of the 90s, and UK Biobank are arranged on the right.
October 23, 2025 at 8:44 AM
larseneault.bsky.social
👥The #PALMteam has welcomed a new member!
Izzy Smith is our 25/26 psychology undergraduate placement student and will be working on expanding the #AtlasLongitudinalDatasets with new info about studies from across the world 🗺️.
To see our team, check out: atlaslongitudinaldatasets.ac.uk/who-we-are
A yellow-bordered announcement introduces Isabelle Smith as the 2025/26 placement student for the Atlas of Longitudinal Datasets. The text reads: 'Introducing our 2025/26 placement student! Izzy will be spending the 2025/26 year working on expanding the Atlas of Longitudinal Datasets. We can't wait to see what she brings to the team!' A photo of Isabelle Smith appears on the right side. Logos for Atlas of Longitudinal Datasets, PALM (Platforms for Longitudinal Mental Health Data) team, and Catalogue of Mental Health Measures are displayed at the bottom left.
October 16, 2025 at 8:28 AM
larseneault.bsky.social
🆕Our team’s new blog is out in Research Matters by the @the-sra.org.uk!
👏 Written by Elena Triantafillopoulou, @georginagbb.bsky.social & Siann Hirani, it introduces the Atlas of Longitudinal Datasets - a discoverability platform for 2,500+ longitudinal datasets.
👉 atlaslongitudinaldatasets.ac.uk
the-sra.org.uk The Social Research Association @the-sra.org.uk · Sep 25
The latest edition of Research Matters is out now.

Visit our website for articles including:

🔹 Introducing the Atlas of Longitudinal Datasets
🔹 The challenges of mistrust, misinformation and polarisation
🔹 Perspectives on Scotland’s third sector impact

& more!

the-sra.org.uk/SRA/SRA/Publ...
October 9, 2025 at 8:48 AM
larseneault.bsky.social
🎉We are celebrating 2,500+ datasets on the #AtlasLongitudinalDatasets! This milestone wouldn't be possible without our funder @wellcometrust.bsky.social, #livedexperience experts, and community of users! Thank you for supporting the Atlas!
Find 2,500+ datasets on atlaslongitudinaldatasets.ac.uk
On the left, a world map is covered with clustered location pins representing datasets. Logos of The Wellcome Trust, King’s College London, and MQ Mental Health Research are displayed along the bottom. On the right, a logo for the Atlas of Longitudinal Datasets under which bold text reads: 'We’re celebrating 2,500 datasets!'
October 2, 2025 at 11:30 AM
larseneault.bsky.social
Just back from #SLLS2025 in Fribourg, Switzerland! We shared the #AtlasLongitudinalDatasets, #CatalogueMHM & how lived experience can shape longitudinal research (thanks Jan & Michael! 🙌). Email us at [email protected] if you would like a webinar!
@sllshome.bsky.social
Five photos of the Atlas team at the SLLS conference in Fribourg, Switzerland.
September 25, 2025 at 9:08 AM
larseneault.bsky.social
🆕~80% of UK longitudinal datasets are accessible. Find out how in a new blog about the #AtlasLongitudinalDatasets!

@georginagbb.bsky.social and Siann Hirani from the #PALMteam write about data accessibility and impact for the @ukdataservice.bsky.social

🔗: blog.ukdataservice.ac.uk/atlas-of-lon...
June 19, 2025 at 10:07 AM
Reposted by Louise Arseneault
ukdsimpact.bsky.social
🌍New on the Data impact blog 🌍

@georginagbb.bsky.social and Siann Hirani introduce the #AtlasLongitudinalDatasets

blog.ukdataservice.ac.uk/atlas-of-lon...

@larseneault.bsky.social @wellcometrust.bsky.social
A globe of earth tilted to one side with Africa prominent
June 9, 2025 at 11:28 AM