Author

Riikka Korja

University of TurkuORCID 0000-0002-6833-1565Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Signature Assays, Organisms & Methods

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Approach:statistical model· 9 Organism:human· 8 Assay:imaging· 7 Research Focus:differential expression· 3 Research Focus:benchmarking· 2 Research Focus:dimensionality reduction· 2 Approach:experimental assay· 2 Assay:bulk RNA-seq· 1

Frequent Co-Authors

Hasse KarlssoniD· 10 shared Linnéa KarlssoniD· 10 shared Jetro J. TuulariiD· 9 shared Elmo P. PulliiD· 8 shared Harri MerisaariiD· 8 shared Eeva‐Leena KatajaiD· 6 shared Saara NolviiD· 6 shared Anni CopelandiD· 5 shared

Activity by Year

2022-2026 · peak 3/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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10 shared papersNeuroscience

Hasse KarlssonORCID

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10 papers

Recent·Most cited

Effortful control and cortical brain structure in 5-year-old children: findings from the FinnBrain birth cohort study

Meri Frantti, Jetro J. Tuulari, Saara Nolvi, Elisabeth Nordenswan, Anni Copeland, Venla Kumpulainen, Eero A. Silver, Harri Merisaari, Ekaterina Saukko, Eeva‐Leena Kataja, Riikka Korja, Linnéa Karlsson, Hasse Karlsson, Elmo P. Pulli

This study examines the relationship between effortful control and cortical brain structure in 5-year-olds using the FinnBrain cohort, finding specific brain regions associated with EC subscales.

European Journal of Neuroscience · Jun 1, 2026Peer-reviewedNeuroscience

Cortical gray matter density at age five associated with preceding early longitudinal language profiles: A Voxel-based morphometry analysis of the FinnBrain Birth Cohort Study

Essi Saloranta, Jetro J. Tuulari, Elmo P. Pulli, Hilyatushalihah Kholis Audah, Aaron Barron, Ashmeet Jolly, Aylin Rosberg, Isabella L. C. Mariani Wigley, Kiia Kurila, Akie Yada, Aura Yli-Savola, Satu Savo, Eeva Eskola, Michelle Fernandes, Riikka Korja, , Elina Mainela‐Arnold

The paper links early language development trajectories to gray matter density in the right superior frontal gyrus at age five using longitudinal data from the FinnBrain Birth Cohort Study.

bioRxiv · Mar 27, 2026 · PreprintNeuroscience

Functional connectome harmonics and dynamic connectivity maps of the preadolescent brain

Isabella Lucia Chiara Mariani Wigley, Aurora Berto, Ilkka Suuronen, Ashmeet Jolly, Ru Li, Harri Merisaari, Elmo P. Pulli, Aylin Rosberg, Hilyatushalihah Kholis Audah, Aaron Barron, Silja Luotonen, Massimiliano Pastore, Mattia Veronese, Hasse Karlsson, Riikka Korja, , Jetro J. Tuulari

The paper applies Functional Connectome Harmonics and Leading Eigenvector Dynamics Analysis to resting-state fMRI data from children to characterize preadolescent brain network organization.

bioRxiv · Mar 3, 2026 · PreprintNeuroscience

skiftiTools: An R package for reading, writing, analysing, and visualising, tract-based spatial statistics (TBSS) derived diffusion MR images

Jetro J. Tuulari, Aaron Barron, Ashmeet Jolly, Ilkka Suuronen, Hilyatushalihah Kholis Audah, Aylin Rosberg, Isabella Lucia Chiara Mariani Wigley, Elena Vartiainen, Silja Luotonen, Elmo P. Pulli, Hasse Karlsson, Riikka Korja, Linnéa Karlsson, Antti Airola, Jakob Seidlitz, , Harri Merisaari

skiftiTools enables statistical analysis and visualization of TBSS-derived diffusion MRI data using R, supporting advanced modeling and data manipulation.

bioRxiv · Oct 26, 2025 · PreprintNeuroscience

Faecal transplantation from exuberant toddlers increases exploratory behaviour in rats

Anna‐Katariina Aatsinki, James M. Collins, Eveliina Munukka, Saara Nolvi, Nirit Z. Kara, Lars Wilmes, Clara Deady, Ida Salin, Eeva Eskola, Venla Huovinen, Hetti Lahtela, David J. Bridgett, Riikka Korja, Anniina Keskitalo, Heidi Isokääntä, , Linnéa Karlsson

This study transfers exuberant toddler gut microbiota to rats, increasing their exploratory behavior without affecting locomotion or social behavior.

bioRxiv · Oct 10, 2025 · PreprintMicrobiology

Neonatal White Matter Microstructure Predicts Infant Attention Disengagement from Fearful Faces

Hilyatushalihah Kholis Audah, Elmo P. Pulli, Saara Nolvi, Ashmeet Jolly, Aylin Rosberg, Silja Luotonen, Isabella Lucia Chiara Mariani Wigley, Niloofar Hashempour, Ru Li, Elena Vartiainen, Ilkka Suuronen, Tuomo Häikiö, Harri Merisaari, John D. Lewis, Riikka Korja, , Eeva‐Leena Kataja

The paper links neonatal white matter microstructure to attention disengagement from fearful faces in infants using diffusion MRI and eye tracking.

bioRxiv · May 28, 2025 · PreprintNeuroscience

Neonatal Amygdala Mean Diffusivity: A Potential Predictor of Emotional Face Perception

Niloofar Hashempour, Jetro J. Tuulari, Harri Merisaari, John D. Lewis, Tuomo Häikiö, Noora M. Scheinin, Saara Nolvi, Riikka Korja, Linnéa Karlsson, Hasse Karlsson, Eeva‐Leena Kataja

This study examines the relationship between neonatal amygdala microstructure and attention to emotional faces, finding a negative association between amygdala mean diffusivity and disengagement from fearful faces.

bioRxiv · Feb 4, 2024 · PreprintNeuroscience

Attentional bias toward fearful faces is associated with maternal postnatal distress and alterations in white matter microstructure in 5-year-old females

Venla Kumpulainen, Eeva‐Leena Kataja, Elmo P. Pulli, Anni Copeland, Eero A. Silver, Tuomo Häikiö, Ekaterina Saukko, Riikka Korja, Linnéa Karlsson, Hasse Karlsson, Jetro J. Tuulari

The paper investigates the link between attentional bias toward fearful faces, maternal postnatal distress, and white matter microstructure in 5-year-old females using DTI and eye-tracking data.

bioRxiv · Nov 1, 2023 · PreprintNeuroscience

Structural brain correlates of non-verbal cognitive ability in 5-year-old children: findings from the FinnBrain Birth Cohort study

Elmo P. Pulli, Saara Nolvi, Eeva Eskola, Elisabeth Nordenswan, Eeva Holmberg, Anni Copeland, Venla Kumpulainen, Eero A. Silver, Harri Merisaari, Jani P. Saunavaara, Riitta K Parkkola, Tuire Lähdesmäki, Ekaterina Saukko, Eeva‐Leena Kataja, Riikka Korja, , Jetro J. Tuulari

Human Brain Mapping · Aug 22, 2023Peer-reviewedNeuroscience

Feasibility of FreeSurfer processing for T1-weighted brain images of 5-year-olds: semiautomated protocol of FinnBrain Neuroimaging Lab

Elmo P. Pulli, Eero A. Silver, Venla Kumpulainen, Anni Copeland, Harri Merisaari, Jani P. Saunavaara, Riitta K Parkkola, Tuire Lähdesmäki, Ekaterina Saukko, Saara Nolvi, Eeva‐Leena Kataja, Riikka Korja, Linnéa Karlsson, Hasse Karlsson, Jetro J. Tuulari

This paper evaluates the feasibility of using FreeSurfer for processing T1-weighted brain images of 5-year-olds, showing minor effects of manual edits and recommending quality assessment for reliable segmentation.

Frontiers in Neuroscience · May 2, 2022Peer-reviewedNeuroscience