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Christian K. Tamnes

@cktamnes.bsky.social
869 followers 935 following 14 posts

Developmental cognitive neuroscientist. Professor at the PROMENTA Research Center and (www.sv.uio.no/promenta/english) and NORMENT (www.med.uio.no/norment/english) at the University of Oslo.

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Reposted by Christian K. Tamnes
Valerie Karl @valeriekarl.bsky.social · 12/08/2026
❗New preprint: “Prospective associations between sibling psychopathology in adolescence and their link to functional brain connectivity” osf.io/preprints/ps...
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Christian K. Tamnes @cktamnes.bsky.social · 23/06/2026
Loneliness in the Human Brain: Structural and Functional MRI Correlates and Research Priorities osf.io/preprints/ps... - with @livia-tomova.bsky.social
osf.io
OSF
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Reposted by Christian K. Tamnes
Alexis Brieant @abrieant.bsky.social · 13/05/2026
New publication in DCN, co-led with Natasha Chaku! 🧠Combining our expertise in brain and pubertal development, we sought to clarify how adversity shapes timing and pace of adolescent development across multiple levels of analysis: www.sciencedirect.com/science/arti...
sciencedirect.com
Timing and tempo of puberty and neurodevelopment following adversity: A registered report
Stress exposure may influence the pace of pubertal and brain development; however, empirical findings are mixed, with evidence for both acceleration a…
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Reposted by Christian K. Tamnes
Valerie Karl @valeriekarl.bsky.social · 13/05/2026
❗New Preprint! “Within-person prospective associations between youth psychopathology and white matter development and the moderating role of parental mental health” doi.org/10.31234/osf... A summary can be found here:
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Reposted by Christian K. Tamnes
Valerie Karl @valeriekarl.bsky.social · 25/02/2026
Very excited to share that our paper “Symptom-specific links between internalizing problems and functional connectivity in adolescents: a network analysis” has been published in European Child & Adolescence Psychiatry doi.org/10.1007/s007...
doi.org
Symptom-specific links between internalizing problems and functional connectivity in adolescents: a network analysis - European Child & Adolescent Psychiatry
Previous fMRI studies have documented links between internalizing problems in youth and brain functional connectivity of the default (DN), frontoparietal (FP), and salience (SA) networks. Characterize...
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Reposted by Christian K. Tamnes
Tiril Gurholt, PhD 🦋 @tirilgurholt.bsky.social · 03/02/2026
I am excited to share that the author version of our accepted manuscript, Linking obesity with white matter microstructure highlights the importance of brainstem tracts and sex differences, is available at Brain Communications! academic.oup.com/braincomms/a...
academic.oup.com
Linking obesity with white matter microstructure highlights the importance of brainstem tracts and sex differences
Gurholt et al. report associations between obesity and regional white matter phenotypes across commonly used diffusion magnetic resonance imaging metrics,
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Reposted by Christian K. Tamnes
Dani Beck, PhD @danibeck.bsky.social · 05/01/2026
New year🎊, new preprint📰 Using multimodal brain-age prediction models trained and tested on 4-wave MRI data from #ABCD, we examined how deviations in brain age align with changes in internalising and externalising symptoms across 10 waves. 1/4🧵
medrxiv.org
Synchrony between brain age maturation and internalising and externalising symptoms across adolescence
Abstract Background: Adolescence is a period of rapid neurobiological and behavioural change, yet it remains unclear how deviations from normative brain maturation relate to the development of interna...
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Reposted by Christian K. Tamnes
Eira Aksnes @eiraaksnes.bsky.social · 02/12/2025
My first PhD paper just got published in JCPP Advances last week!! ✅ In this paper we investigate developmental dynamics of emotional problems across childhood and adolescence in males and females 👦
👧 💗 Check it out!! 
🧵 doi.org/10.1002/jcv2...
doi.org
JCPP Advances | ACAMH Child Development Journal | Wiley Online Library
This study examined how emotional symptoms co-develop from childhood to adolescence using longitudinal data from over 11,000 children and adolescents. Network analyses revealed reciprocal links betwe...
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Christian K. Tamnes @cktamnes.bsky.social · 29/11/2025
acamh.onlinelibrary.wiley.com/doi/10.1002/... Developmental dynamics of symptoms of emotional problems in childhood and adolescence: A longitudinal network analysis
acamh.onlinelibrary.wiley.com
JCPP Advances | ACAMH Child Development Journal | Wiley Online Library
This study examined how emotional symptoms co-develop from childhood to adolescence using longitudinal data from over 11,000 children and adolescents. Network analyses revealed reciprocal links betwe....
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Reposted by Christian K. Tamnes
Linn Renate S. Lindseth @liresjan.bsky.social · 18/06/2025
Happy to announce that our article (my master’s thesis) is now published in PNAS. Here we investigated the link between pregnancy and birth and child brain structure 🧠🤰🏼👶🏻 www.pnas.org/doi/10.1073/...
pnas.org
Linking pregnancy- and birth-related risk factors to a multivariate fusion of child cortical structure | PNAS
Pregnancy- and birth-related factors affect offspring brain development, emphasizing the importance of early life exposures. While most previous st...
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Christian K. Tamnes @cktamnes.bsky.social · 16/10/2025
The nature of the relation between mental well-being and ill-being www.nature.com/articles/s41...
nature.com
The nature of the relation between mental well-being and ill-being - Nature Human Behaviour
Tamnes et al. explore the complex relationship between ill-being—including mental and behavioural disorders—and mental well-being.
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Christian K. Tamnes @cktamnes.bsky.social · 21/08/2025
rdcu.be/eBLN5
rdcu.be
Current challenges and future directions for brain age prediction in children and adolescents
Nature Communications - This Perspective outlines how brain-age prediction models are increasingly applied to child and adolescent populations and examines the specific challenges this entails. It...
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Reposted by Christian K. Tamnes
Niamh MacSweeney @niamhmacsweeney.bsky.social · 01/07/2025
Our paper - Neuroimaging Insights into Adolescent Depression and Development - is now out in Nature Mental Health! 🧠 Huge thanks to my wonderful co-authors @yaratoenders.bsky.social and @cktamnes.bsky.social. I loved bringing these ideas together with you! rdcu.be/eugUM
rdcu.be
Neuroimaging insights into adolescent depression risk and development
Nature Mental Health - Adolescence marks a critical period for the onset of depression, yet the neurobiological mechanisms remain unclear. Here the authors review literature linking adolescent...
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Christian K. Tamnes @cktamnes.bsky.social · 02/05/2025
"Socioeconomic context influences the heritability of child cortical structure". We show that genetic and environmental contributions to cortical structure vary between socioeconomically advantaged and disadvantaged children. New preprint by Linn Norbom: www.medrxiv.org/content/10.1...
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Christian K. Tamnes @cktamnes.bsky.social · 28/03/2025
MRI-based cortical gray/white matter contrast in young adults who endorse psychotic experiences or are at genetic risk for psychosis www.sciencedirect.com/science/arti...
sciencedirect.com
MRI-based cortical gray/white matter contrast in young adults who endorse psychotic experiences or are at genetic risk for psychosis
Research has reported group-level differences in cortical grey/white matter contrast (GWC) in individuals with psychotic disorders. However, no studie…
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Reposted by Christian K. Tamnes
Niamh MacSweeney @niamhmacsweeney.bsky.social · 05/03/2025
🚨New paper out in the Journal of Child Psychology and Psychiatry 🚨 In this pre-registered study, we examined the role of pubertal development in the association between trauma exposure and internalising symptoms in female youth using ABCD data: acamh.onlinelibrary.wiley.com/doi/10.1111/...
acamh.onlinelibrary.wiley.com
<em>Journal of Child Psychology and Psychiatry</em> | ACAMH Pediatric Journal | Wiley Online Library
Background Exposure to trauma in childhood is associated with an increased risk for internalising symptoms. Alterations in pubertal development has been proposed as a potential mechanism underpinnin...
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Reposted by Christian K. Tamnes
Niamh MacSweeney @niamhmacsweeney.bsky.social · 28/01/2025
Hi Bluesky👋 Excited to use my first post to share our new paper: "Multimodal brain age indicators of internalizing problems in early adolescence: A longitudinal investigation" Now out in Biological Psychiatry: Cognitive Neuroscience and Neuroimaging 👀 www.sciencedirect.com/science/arti...
sciencedirect.com
Multimodal Brain Age Indicators of Internalizing Problems in Early Adolescence: A Longitudinal Investigation
Adolescence is a time of increased risk for the onset of internalizing problems, particularly in females. However, how individual differences in brain…
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Reposted by Christian K. Tamnes
Valerie Karl @valeriekarl.bsky.social · 20/01/2025
The dissonance between wanting and liking has always fascinated me. I recently wrote about Nguyen et al.’s (2021) review on the neural underpinnings of atypical wanting and liking. www.nature.com/articles/s44...
nature.com
Neural underpinnings of atypical wanting and liking - Nature Reviews Psychology
Nature Reviews Psychology - Neural underpinnings of atypical wanting and liking
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Christian K. Tamnes @cktamnes.bsky.social · 20/12/2024
The nature of the relation between mental illbeing and wellbeing osf.io/preprints/ps...
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Christian K. Tamnes @cktamnes.bsky.social · 20/12/2024
Relationships between wellbeing polygenic scores, brain structure, and psychopathology in children www.medrxiv.org/content/10.1...
medrxiv.org
Relationships between wellbeing polygenic scores, brain structure, and psychopathology in children
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Reposted by Christian K. Tamnes
Valerie Karl @valeriekarl.bsky.social · 21/11/2024
New Preprint and my final PhD paper🥲! We combined symptom and brain networks to look at symptom-specific associations between internalizing problems and functional connectivity in adolescents. doi.org/10.31234/osf...
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Christian K. Tamnes @cktamnes.bsky.social · 21/11/2024
go.bsky.app/VqwEigs
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Christian K. Tamnes @cktamnes.bsky.social · 17/11/2024
Shared Patterns of Cognitive Control Behavior and Electrophysiological Markers in Adolescence direct.mit.edu/jocn/article...
direct.mit.edu
Shared Patterns of Cognitive Control Behavior and Electrophysiological Markers in Adolescence
Abstract. Behavioral parameters obtained from cognitive control tasks have been linked to electrophysiological markers. Yet, most previous research has investigated only a few specific behavioral para...
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Reposted by Christian K. Tamnes
Ludvig Daae Bjørndal @ludvigdb.bsky.social · 17/11/2024
We have a new preprint out examining symptom-specific polygenic associations with maternal mental health during pregnancy and postpartum in up to 59,000 MoBa mothers 🧬🌧️☀️ osf.io/preprints/ps...
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Christian K. Tamnes @cktamnes.bsky.social · 15/11/2024
Associations between parental psychopathology and youth functional emotion regulation brain networks www.sciencedirect.com/science/arti...
sciencedirect.com
Associations between parental psychopathology and youth functional emotion regulation brain networks
Parental mental health is associated with children’s emotion regulation (ER) and risk for psychopathology. The relationship between parental psychopat…
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Reposted by Christian K. Tamnes
Emily Towner @emilyanntowner.bsky.social · 14/11/2024
Our latest paper, published today in Royal Society Open Science, found that being alone heightens 'threat alert' in teenagers—even when they're connected on social media. 🧠📲 doi.org/10.1098/rsos...
doi.org
Increased threat learning after social isolation in human adolescents | Royal Society Open Science
In animal models, social isolation impacts threat responding and threat learning, especially during development. This study examined the effects of acute social isolation on threat learning in human a...
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Christian K. Tamnes @cktamnes.bsky.social · 31/10/2024
Linking Pre- and Perinatal Risk Factors to a Multivariate Fusion of Child Cortical Structure www.biorxiv.org/content/10.1...
biorxiv.org
Linking Pre- and Perinatal Risk Factors to a Multivariate Fusion of Child Cortical Structure
Pre- and perinatal factors such as maternal pregnancy and child birth complications affect child brain development, emphasizing the importance of early life exposures. While most previous studies have...
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Reposted by Christian K. Tamnes
Jamie Hanson @jamielarsh.bsky.social · 10/02/2024
Exciting new, collaborative work with @cktamnes.bsky.social and colleagues-- #TheJCPPadvances "Parental education and income are linked to offspring cortical brain structure and psychopathology at 9–11 years" acamh.onlinelibrary.wiley.com/doi/10.1002/...
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Christian K. Tamnes @cktamnes.bsky.social · 19/01/2024
New preprint from Thea Wiker and the Neurocognitive Development group: osf.io/preprints/ps.... In an adolescent sample, we examined the associations between a bunch of behavioural parameters from a Stop signal task, as well as shared patterns between behaviour and ERPs.
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Christian K. Tamnes @cktamnes.bsky.social · 16/12/2023
New lab-paper from Thea Wiker on the development and longitudinal associations between drift diffusion parameters in the stop signal task and attention problems the ABCD Study. link.springer.com/article/10.1...
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