Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition • 09-14 May 2026
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304-04-001.
Visual feedback incongruence modulates motor cortex activity: fMRI evidence for a finger-tapping illusion
Impact: This study demonstrates that visual input can dynamically reshape sensorimotor representations, via a feedback-driven mechanism. Visually mediated modulations may underpin neuroplastic changes in conditions where distorted body representations contribute to altered sensory experience and motor control (e.g., phantom limb, osteoarthritis).
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| 16:21 |
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304-04-002.
In-vivo Demonstrations of a Flexible Head Cap Enabling Multimodal and Posture Adaptable Neuroimaging
Impact: A flexible Head-Cap Array enables EEG-fMRI, TMS-fMRI, and adaptable MRI in natural postures and anatomically challenging subjects, overcoming the comfort and accessibility barriers of rigid coils to advance inclusive, patient-centered, and multimodal neuroimaging.
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| 16:32 |
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304-04-003.
Going wearable in simultaneous EEG-fMRI at 7T: 8TxRx dipole antenna combined with a 10Rx-only twisted-pair coil array
Impact: This
work establishes the feasibility of combining flexible TP receive arrays with
transceive dipole antennas in the presence of an EEG cap, demonstrating potential for
future wearable multimodal neuroimaging at 7T.
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| 16:43 |
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304-04-004.
Simultaneous fMRI and Optical Imaging Reveal a Broadband Cortical Neuronal Fingerprint from Theta to Infraslow Frequencies
Impact: We directly validate fMRI functional connectivity as a true
representation of cortical neuronal synchronization. Simultaneous fMRI and
optical imaging reveal that resting-state FC reflects broadband slow-frequency
neuronal coupling, spanning theta to infraslow rhythms.
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| 16:54 |
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304-04-005.
Validation of Neural-Activity-Related Sodium (NARS) fMRI Using Simultaneous Glutamate Fiber Photometry at 14 Tesla
Impact:
We establish direct neuronal correlation of NARS-fMRI using simultaneous glutamate signals, analogous to local field potentials. This provides a foundation for translating sodium-based fMRI to human functional mapping and enables mechanistic investigation of quadrupolar relaxation dynamics using living cerebral organoids. |
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| 17:05 |
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304-04-006.
Interleaved fMRS/fMRI of the somatosensory cortex at 7T
Impact: We demonstrate that interleaved fMRS/fMRI can be applied to the somatosensory system to study glutamate changes during stimulation, with increases greatest at stimulus onset. This
allows direct comparison of metabolic and haemodynamic responses.
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| 17:16 |
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304-04-007.
Cross-species fMRI signature of Locus Coeruleus-driven brain state transitions
Impact: We describe a conserved fMRI signature of locus coeruleus activation across rodents and humans. This neuromodulatory signature provides a cross-species biomarker of arousal dynamics and a path toward individualized mapping of internal brain-state transitions via resting-state fMRI.
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| 17:27 |
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304-04-008.
Zona Incerta Neural Activity Regulates Sensorimotor Cortical-Subcortical Network Dynamics through Hypothalamus and Striatum
Impact: This
study reveals how the zona incerta regulates large-scale sensorimotor cortical
and subcortical network dynamics, providing a mechanistic framework for its
integrative role in sensory and motor processing. These insights will prompt
future investigations into ZI-targeted interventions for sensorimotor dysfunctions.
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| 17:38 |
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304-04-009.
Assessing the Effects of Caffeine on Brain Connectivity Using DASL and BOLD fMRI
Impact: Dynamic arterial spin labeling (DASL) may detect resting state functional
connectivity (rsFC) with the hippocampus and other ventral brain regions more
robustly than BOLD fMRI. Replication and validation are needed to confirm that DASL-derived
rsFC accurately reflects brain function.
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| 17:49 |
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304-04-010.
Quantifying Arousal-Driven Variability in fMRI Using Eye Closure Metrics and Connectivity Analyses
Impact: We address a limitation in rsfMRI: the lack of arousal monitoring and the confounding arousal contributions to the BOLD signal. This study enhances the reliability and utility of fMRI for clinical and neuroscience applications.
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© 2026 International Society for Magnetic Resonance in Medicine