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Proceedings of the National Academy of Sciences of the United States of America|March 18, 2026
Sleep alters neurovascular and hydrodynamic coupling in the human brainTommi Väyrynen, Johanna Tuunanen, Heta Helakari, et al.
Neuroimage|June 10, 2025
Ultrafast complex-valued 4D fMRI reveals sleep-induced brain respiratory pulsation changes in both magnitude and phase signalsSaara Syväoja, Lauri Raitamaa, Heta Helakari, et al.
Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology|November 16, 2023
Infra-slow fluctuations in cortical potentials and respiration drive fast cortical EEG rhythms in sleeping and waking statesTommi Väyrynen, Heta Helakari, Vesa Korhonen, et al.
Proceedings of the National Academy of Sciences of the United States of America|August 1, 2025
Orexin effect on physiological pulsations of the human brainMatti Järvelä, Janne Kananen, Heta Helakari, et al.
NMR in Biomedicine|July 8, 2025
Ultrafast Imaging of Physiological Brain Pulsations With Magnetic Resonance Encephalography-From Noise to Predictive Clinical BiomarkerVesa Kiviniemi, Heta Helakari, Lauri Raitamaa, et al.
Neuroimage|April 9, 2026
Increased intracranial very low frequency pulsation power in central brain regions of high-functioning young adults with autism spectrum disorderKatariina Laurén, Matti Järvelä, Niko Huotari, et al.
Frontiers in Neuroscience|October 23, 2024
Cardiovascular and vasomotor pulsations in the brain and periphery during awake and NREM sleep in a multimodal fMRI studyJohanna Tuunanen, Heta Helakari, Niko Huotari, et al.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)|February 3, 2026
Sleep Alters the Velocity of Physiological Brain Pulsations in HumansAhmed Elabasy, Heta Helakari, Tommi Väyrynen, et al.
Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism|May 16, 2022
Increased interictal synchronicity of respiratory related brain pulsations in epilepsyJanne Kananen, Matti Järvelä, Vesa Korhonen, et al.
Neuroimage|October 3, 2025
Reduced harmonic complexity of brain parenchymal cardiovascular pulse waveforms in Alzheimer's diseaseAnssi Koivula, Vilma Perkiömäki, Mika Aho, et al.
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