Heta Helakari

Oulu, Finland

Last Updated: 09/26/2026

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Found 27 publications

Heightened respiratory brain pulsations indicate fluid dynamic dysfunction in early multiple sclerosis.

Heightened respiratory brain pulsations indicate fluid dynamic dysfunction in early multiple sclerosis.

Journal: Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism

Published: May 28, 2026

Sleep alters neurovascular and hydrodynamic coupling in the human brain.

Sleep alters neurovascular and hydrodynamic coupling in the human brain.

Journal: Proceedings of the National Academy of Sciences of the United States of America

Published: March 18, 2026

Infra-slow (<0.1 Hz) Modulation of Human Brain Pulsations in Awake and Sleep States.

Infra-slow (<0.1 Hz) Modulation of Human Brain Pulsations in Awake and Sleep States.

Journal: The Journal of neuroscience : the official journal of the Society for Neuroscience

Published: December 15, 2025

The Regulation of Vasomotor and Cardiorespiratory Pulsations Is Disrupted in Primary Central Nervous System Lymphoma: A Case-Control fMRI Study.

The Regulation of Vasomotor and Cardiorespiratory Pulsations Is Disrupted in Primary Central Nervous System Lymphoma: A Case-Control fMRI Study.

Journal: Human brain mapping

Published: August 15, 2025

Orexin effect on physiological pulsations of the human brain.

Orexin effect on physiological pulsations of the human brain.

Journal: Proceedings of the National Academy of Sciences of the United States of America

Published: August 01, 2025

Reduced harmonic complexity of brain parenchymal cardiovascular pulse waveforms in Alzheimer's disease.

Reduced harmonic complexity of brain parenchymal cardiovascular pulse waveforms in Alzheimer's disease.

Journal: NeuroImage

Published: February 26, 2025

Ultrafast complex-valued 4D fMRI reveals sleep-induced brain respiratory pulsation changes in both magnitude and phase signals.

Ultrafast complex-valued 4D fMRI reveals sleep-induced brain respiratory pulsation changes in both magnitude and phase signals.

Journal: NeuroImage

Published: January 09, 2025

Vasomotor fluctuations are increased in primary central nervous system lymphoma: a case-control study with fast functional MRI.

Vasomotor fluctuations are increased in primary central nervous system lymphoma: a case-control study with fast functional MRI.

Journal: Brain communications

Published: September 26, 2024

Cardiovascular and vasomotor pulsations in the brain and periphery during awake and NREM sleep in a multimodal fMRI study.

Cardiovascular and vasomotor pulsations in the brain and periphery during awake and NREM sleep in a multimodal fMRI study.

Journal: Frontiers in neuroscience

Published: July 01, 2024

The relative brain signal variability increases in the behavioral variant of frontotemporal dementia and Alzheimer's disease but not in schizophrenia.

The relative brain signal variability increases in the behavioral variant of frontotemporal dementia and Alzheimer's disease but not in schizophrenia.

Journal: Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism

Published: June 19, 2024

Ultrafast Imaging of Physiological Brain Pulsations With Magnetic Resonance Encephalography-From Noise to Predictive Clinical Biomarker.

Ultrafast Imaging of Physiological Brain Pulsations With Magnetic Resonance Encephalography-From Noise to Predictive Clinical Biomarker.

Journal: NMR in biomedicine

Published: February 12, 2024

Association of body-mass index with physiological brain pulsations across adulthood - a fast fMRI study.

Association of body-mass index with physiological brain pulsations across adulthood - a fast fMRI study.

Journal: International journal of obesity (2005)

Published: October 27, 2023

Showing 1-12 of 27

Last Updated: 09/26/2026