Search Results - "Rajna, Zalan"

Cardiovascular brain impulses in Alzheimer's disease by Rajna, Zalán, Mattila, Heli, Huotari, Niko, Tuovinen, Timo, Krüger, Johanna, Holst, Sebastian C, Korhonen, Vesa, Remes, Anne M, Seppänen, Tapio, Hennig, Jürgen, Nedergaard, Maiken, Kiviniemi, Vesa

“…Accumulation of amyloid-β is a key neuropathological feature in brain of Alzheimer's disease patients. Alterations in cerebral haemodynamics, such as arterial…”
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The variability of functional MRI brain signal increases in Alzheimer's disease at cardiorespiratory frequencies by Tuovinen, Timo, Kananen, Janne, Rajna, Zalan, Lieslehto, Johannes, Korhonen, Vesa, Rytty, Riikka, Mattila, Heli, Huotari, Niko, Raitamaa, Lauri, Helakari, Heta, Elseoud, Ahmed Abou, Krüger, Johanna, LeVan, Pierre, Tervonen, Osmo, Hennig, Juergen, Remes, Anne M., Nedergaard, Maiken, Kiviniemi, Vesa

“…Biomarkers sensitive to prodromal or early pathophysiological changes in Alzheimer’s disease (AD) symptoms could improve disease detection and enable timely…”
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3D Multi-Resolution Optical Flow Analysis of Cardiovascular Pulse Propagation in Human Brain by Rajna, Zalan, Raitamaa, Lauri, Tuovinen, Timo, Heikkila, Janne, Kiviniemi, Vesa, Seppanen, Tapio

“…The brain is cleaned from waste by glymphatic clearance serving a similar purpose as the lymphatic system in the rest of the body. Impairment of the glymphatic…”
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Author Correction: Respiratory brain impulse propagation in focal epilepsy by Elabasy, Ahmed, Suhonen, Mia, Rajna, Zalan, Hosni, Youssef, Kananen, Janne, Annunen, Johanna, Ansakorpi, Hanna, Korhonen, Vesa, Seppänen, Tapio, Kiviniemi, Vesa

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Respiratory brain impulse propagation in focal epilepsy by Elabasy, Ahmed, Suhonen, Mia, Rajna, Zalan, Hosni, Youssef, Kananen, Janne, Annunen, Johanna, Ansakorpi, Hanna, Korhonen, Vesa, Seppänen, Tapio, Kiviniemi, Vesa

“…Respiratory brain pulsations pertaining to intra-axial hydrodynamic solute transport are markedly altered in focal epilepsy. We used optical flow analysis of…”
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Detection of short-term activity avalanches in human brain default mode network with ultrafast MR encephalography by Rajna, Zalán, Kananen, Janne, Keskinarkaus, Anja, Seppänen, Tapio, Kiviniemi, Vesa

“…Recent studies pinpoint visually cued networks of avalanches with MEG/EEG data. Co-activation pattern (CAP) analysis can be used to detect single brain volume…”
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Respiratory-related brain pulsations are increased in epilepsy—a two-centre functional MRI study by Kananen, Janne, Helakari, Heta, Korhonen, Vesa, Huotari, Niko, Järvelä, Matti, Raitamaa, Lauri, Raatikainen, Ville, Rajna, Zalan, Tuovinen, Timo, Nedergaard, Maiken, Jacobs, Julia, LeVan, Pierre, Ansakorpi, Hanna, Kiviniemi, Vesa

“…Abstract Resting-state functional MRI has shown potential for detecting changes in cerebral blood oxygen level-dependent signal in patients with epilepsy, even…”
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Speeding up the file access of large compressed NIfTI neuroimaging data by Rajna, Zalan, Keskinarkaus, Anja, Kiviniemi, Vesa, Seppanen, Tapio

“…A method and implementation are presented to achieve a thousand fold speed-up for seeking of large files in a commonly used compressed neuroimaging data format…”
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