Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Ville Raatikainen"'
Autor:
Niko Huotari, Johanna Tuunanen, Lauri Raitamaa, Ville Raatikainen, Janne Kananen, Heta Helakari, Timo Tuovinen, Matti Järvelä, Vesa Kiviniemi, Vesa Korhonen
Publikováno v:
Frontiers in Neuroscience, Vol 16 (2022)
The physiological pulsations that drive tissue fluid homeostasis are not well characterized during brain activation. Therefore, we used fast magnetic resonance encephalography (MREG) fMRI to measure full band (0–5 Hz) blood oxygen level-dependent (
Externí odkaz:
https://doaj.org/article/7e47a123f8f0464f978990c062d14062
Autor:
Niko Huotari, Lauri Raitamaa, Heta Helakari, Janne Kananen, Ville Raatikainen, Aleksi Rasila, Timo Tuovinen, Jussi Kantola, Viola Borchardt, Vesa J. Kiviniemi, Vesa O. Korhonen
Publikováno v:
Frontiers in Neuroscience, Vol 13 (2019)
Low image sampling rates used in resting state functional magnetic resonance imaging (rs-fMRI) may cause aliasing of the cardiorespiratory pulsations over the very low frequency (VLF) BOLD signal fluctuations which reflects to functional connectivity
Externí odkaz:
https://doaj.org/article/c13d44b66958487486d33aa54fc34f2a
Autor:
Janne, Kananen, Matti, Järvelä, Vesa, Korhonen, Timo, Tuovinen, Niko, Huotari, Lauri, Raitamaa, Heta, Helakari, Tommi, Väyrynen, Ville, Raatikainen, Maiken, Nedergaard, Hanna, Ansakorpi, Julia, Jacobs, Pierre, LeVan, Vesa, Kiviniemi
Publikováno v:
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism. 42(10)
Respiratory brain pulsations have recently been shown to drive electrophysiological brain activity in patients with epilepsy. Furthermore, functional neuroimaging indicates that respiratory brain pulsations have increased variability and amplitude in
Autor:
Soile Loukusa, Ville Raatikainen, Hanna Ebeling, Vesa Korhonen, Aija Kotila, Tuula Hurtig, Matti Järvelä, Vesa Kiviniemi
Publikováno v:
Autism Research. 14:248-264
Previous studies have suggested that atypical deactivation of functional brain networks contributes to the complex cognitive and behavioral profile associated with autism spectrum disorder (ASD). However, these studies have not considered the tempora
Autor:
Niko, Huotari, Johanna, Tuunanen, Lauri, Raitamaa, Ville, Raatikainen, Janne, Kananen, Heta, Helakari, Timo, Tuovinen, Matti, Järvelä, Vesa, Kiviniemi, Vesa, Korhonen
Publikováno v:
Frontiers in neuroscience. 16
The physiological pulsations that drive tissue fluid homeostasis are not well characterized during brain activation. Therefore, we used fast magnetic resonance encephalography (MREG) fMRI to measure full band (0-5 Hz) blood oxygen level-dependent (BO
Autor:
Heta, Helakari, Vesa, Korhonen, Sebastian C, Holst, Johanna, Piispala, Mika, Kallio, Tommi, Väyrynen, Niko, Huotari, Lauri, Raitamaa, Johanna, Tuunanen, Janne, Kananen, Matti, Järvelä, Timo, Tuovinen, Ville, Raatikainen, Viola, Borchardt, Hannu, Kinnunen, Maiken, Nedergaard, Vesa, Kiviniemi
Publikováno v:
The Journal of neuroscience : the official journal of the Society for Neuroscience. 42(12)
The physiological underpinnings of the necessity of sleep remain uncertain. Recent evidence suggests that sleep increases the convection of cerebrospinal fluid (CSF) and promotes the export of interstitial solutes, thus providing a framework to expla
Autor:
Ville Raatikainen, J Tuunanen, T Väyrynen, Matti Järvelä, Viola Borchardt, Vesa Korhonen, Vesa Kiviniemi, H Kinnunen, J Piispala, SC Holst, Mika Kallio, Heta Helakari, Lauri Raitamaa, Niko Huotari, M. Nedergaard, Janne Kananen
Sleep is known to increase the convection of interstitial brain metabolites along with cerebrospinal fluid (CSF). We used ultrafast magnetic resonance encephalography (MREGBOLD) to quantify the effect of sleep on physiological (vasomotor, respiratory
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c4faf57a6871decbc51c93a8fbb1363
https://doi.org/10.1101/2020.09.03.280479
https://doi.org/10.1101/2020.09.03.280479
Autor:
Ville Raatikainen, Vesa Kiviniemi, Heta Helakari, Pierre LeVan, Julia Jacobs, Hanna Ansakorpi, Zalan Rajna, Janne Kananen, Lauri Raitamaa, Niko Huotari, Vesa Korhonen, Timo Tuovinen, Matti Järvelä
Publikováno v:
Brain Communications
Kananen, J, Helakari, H, Korhonen, V, Huotari, N, Jarvela, M, Raitamaa, L, Raatikainen, V, Rajna, Z, Tuovinen, T, Nedergaard, M, Jacobs, J, LeVan, P, Ansakorpi, H & Kiviniemi, V 2020, ' Respiratory-related brain pulsations are increased in epilepsy-a two-centre functional MRI study ', Brain Communications, vol. 2, no. 2, 076 . https://doi.org/10.1093/braincomms/fcaa076
Kananen, J, Helakari, H, Korhonen, V, Huotari, N, Jarvela, M, Raitamaa, L, Raatikainen, V, Rajna, Z, Tuovinen, T, Nedergaard, M, Jacobs, J, LeVan, P, Ansakorpi, H & Kiviniemi, V 2020, ' Respiratory-related brain pulsations are increased in epilepsy-a two-centre functional MRI study ', Brain Communications, vol. 2, no. 2, 076 . https://doi.org/10.1093/braincomms/fcaa076
Resting-state functional MRI has shown potential for detecting changes in cerebral blood oxygen level-dependent signal in patients with epilepsy, even in the absence of epileptiform activity. Furthermore, it has been suggested that coefficient of var
Autor:
Ville Raatikainen, Vesa Kiviniemi, Tuija Keinänen, Jussi Kantola, Aleksi Rasila, Janne Kananen, Vesa Korhonen, Lauri Raitamaa, Niko Huotari, Osmo Tervonen
Publikováno v:
NeuroImage. 148:352-363
This study investigated lag structure in the resting-state fMRI by applying a novel independent component (ICA) method to magnetic resonance encephalography (MREG) data. Briefly, the spatial ICA (sICA) was used for defining the frontal and back nodes
Autor:
Hanna Ebeling, Viola Borchardt, Leena Joskitt, Vesa Kiviniemi, Soile Loukusa, Vesa Korhonen, Lauri Raitamaa, Lucina Q. Uddin, Niko Huotari, Heta Helakari, Ville Raatikainen, Tuula Hurtig, Janne Kananen
Publikováno v:
Autism Research
This study investigated whole-brain dynamic lag pattern variations between neurotypical (NT) individuals and individuals with autism spectrum disorder (ASD) by applying a novel technique called dynamic lag analysis (DLA). The use of 3D magnetic reson