This page collects layer-fMRI abstracts from neuro imaging conferences in 2022. This is following the tradition of layer-fMRI abstracts in the previous years: layer-fMRI abstracts 2019, layer-fMRI abstracts 2020, layer-fMRI abstracts 2021, and layer-fMRI abstracts 2022. Comments and completions are welcome (renzohuber@gmail.com).

OHBM in OHBM

July 22nd-26th 2023, link to program.

Afternoon Symposium: Combining human and animal studies for planning, interpretation, and modeling of mesoscale fMRI.

Monday, July 24th, 3pm-4:15pm, Room 511

• Tin Xu: Parallel big-data fine-scale functional connectivity analyses in humans and nonhuman primates.
• Amir Shmuel: Cortical lamina-resolved neurophysiological recordings in rodents and primates for planning and modeling depth-dependent fMRI in human subjects.
• Renzo Huber: Cutting-edge methods for cortical-depth-dependent functional MRI and functional connectivity in human subjects, video, slides.
• Anna Roe: Combining optical stimulation and high-resolution functional MRI in primates for mapping brain-wide mesoscale and laminar networks.

Scientific session, Novel data acquisition and integration methods

Tuesday July 25th, 10:30am-11:45am, room 513

• 1163, Grant Hartung: Capillary density induces “microvascular biases” in BOLD: insights from realistic vascular modeling, abstract.
• 2617, Jiajia Yang: Layer-specific finger representations in human area 3b, abstract. 

Poster group 1 

Sunday, July 23| 12:15 PM – 2:15 PM & Monday, July 24 | 1:00 PM – 3:00 PM

• #84, Tony Carricarte: Dissociating feedforward and feedback signals in FFA and PPA during perception and imagery, abstract.
• #129, Edyta Charyasz, Functional Mapping of Sensorimotor Activation in the Human Thalamus at 9.4 Tesla, abstract.
• #145, Omer Faruk Gulban: Pial vessel effects through the cortical landscape and across depths on BOLD and VASO signals at 7 T, abstract.
• #348, Richard Klein: Cluster-based connectivity tool: capturing laminar and columnar topography during naturalistic tasks, abstract.
• #638, Joana Carvalho: Layer based Connective Field (lCF) mapping at ultrahigh spatiotemporal resolution, abstract.
• #742, Omer Faruk Gulban, Exploring the A1 mesoscopic cortical landscape of BigBrain, AHEAD, and 7T MRI datasets using LayNii, abstract.
• #743, Omer Faruk Gulban, Mesoscopic intracortical angioarchitecture mapping using BigBrain and in vivo 7 T MRI, abstract.
• #806, Avinash Kalyani, Columnar Shared-Response Modelling (C-SRM) for detecting topographic map differences in young & old, abstract.
• #959, Shahin Nasr: Resting-State Functional Connectivity between Ocular Dominance Columns, abstract.
• #1112, Alessandra Pizzuti, Comparing layer structure across V1, MT+, S1 and M1 using the post-mortem AHEAD dataset, abstract. 
• #1126, Renzo Huber: Fuzzy ripple artifacts in layer-fMRI EPI: Towards better layer-fMRI data with Dual-polarity readouts, abstract.
• #1157, Daniel Hänelt: Cortical depth-dependence of ocularity decoding in high-resolution fMRI at 7T, abstract.
• #1160, Jennifer Townsend: Generalized Slice Dithered Enhanced Resolution (gSLIDER) with SWAT for mesoscale fMRI at 3T, abstract. 
• #1299, Sebastian Dresbach: Laminar spatiotemporal dynamics of CBV and BOLD signals using fast sampling at 7T fMRI in humans, abstract.
• #1300, Renzo Huber: Developing whole brain layer-fMRI protocols on the NexGen 7T scanner, abstract. 
• #1301, Kenshu Koiso: Laminar-level object information representation in higher visual areas revealed by VASO layer fMRI, abstract.
• #1304, Natalia Zaretskaya, The role of image intensity in visual stimulation-induced increase in cortical thickness estimates, abstract.
• #1305, Atena Akbari: Superior Ocular Segregation achieved with VASO fMRI at 7T, abstract.  

Poster group 2: 

Tuesday, July 25 | 12:45 PM – 2:45 PM & Wednesday, July 26 | 12:45 PM – 2:45 PM

• #1471, Angeliki Zarkali: Differential laminar microstructure in Parkinson’s hallucinations using 7T MRI at 600µm resolution, abstract.
• #2244, Alicia Northall: Topographic Layer Imaging of the Human Primary Motor Cortex in Ageing and Neurodegeneration, abstract.
• #2404, Tomoki Arichi: Exploration of cortical depth analysis of 7T fMRI in the neonatal brain, abstract.
• #2509, Ashley York: Separation of bottom-up and top-down signals in the human somatosensory cortex with 7T fMRI, abstract.
• #2617, Jiajia Yang: Layer-specific finger representations in human area 3b, abstract.
• #2640, Jianbao Wang: Mesoscale functional architecture in macaque visual ventral and dorsal pathways revealed by 7T fMRI, abstract.

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ISMRM in Toronto

Link to conference (June 3rd June8th): https://www.ismrm.org/23/23program.htm

The link to the open abstract it available for everyone is available on the preview site. Videos are available on the preview site with ISMRM login credentials. If available, links to mirrored videos are posted here.

Educational Saturday, June 3rd

Weekend Educational, Advances in fMRI, room 701B

• 13:00 BOLD & Non-BOLD Contrasts in Human fMRI, Sri Kashyap, preview page, video.
• 13:30 Studies with Single Subjects or Large Numbers of Volunteers – Why, & How? Wietske van der Zwaag, preview site.
• 15:30 Advances in fMRI Data Acquisition Techniques, Benedikt Poser, video
• 16:00 Advances in Hardware Approaches for fMRI, David Feinberg, preview page, video.

Monday, June 5th

Educational sunrise: Demystifying the fMRI Signal & Its Biophysical Origins I: fMRI Biophysical Signal Origin & Modeling, 716A/B, 07:00

• 07:00 Biophysical Origins of the fMRI Signal, Kamil Uludag, preview page
• 07:30 Biophysical Modeling of the fMRI signals, Jonathan Polimeni, preview page

Pitch: Novel Acquisition Strategies, Power Pitch Theatre 2, 08:15,

• 08:15-10:15 #123 Characterization Of The R2*/R2 Ratio Of The BOLD Laminar-Specificity Through Biophysical Simulations Using Realistic Vascular Architectures, Mario Baez, preview page, video.

Pitch: Advances in Brain Connectivity, 13:45

• 13:45-15:45 #219 Mapping Curvature Responses In Human V4 Using VASO At 3T, Elisa Zamboni, preview page, video.

Tuesday June 6th

Pitch: Data Analysis & Processing, Power Pitch Theatre 2, 08:15

• 8:15-10:15, #480, Improved NORDIC Denoising For Submillimetre BOLD FMRI Using Patch Formation Via Non-Local Pixels Similarity – Pixel-Matching (PM) NORDIC, Alessandro Nigi, preview page, video .

Digital Posters, fMRI Acquisition & Analysis, Halls D/E, session D-18/D-19, 9:15

• 09:15 #2710, Computer 6, Benchmarking Local Low Rank Denoising Methods For Task-Based FMRI Data Analysis, Pierre-Antoine Comby, preview site, video.
• 09:15 #2717, Computer13, BISEPI High-Resolution FMRI At 7T With NORDIC-PCA, Guoxiang Liu, preview page, video.
• 09:15 #2718, Computer 14, Depth-dependent effects of thermal and physiological noise reduction in BOLD fMRI, Maria Guidi, preview page, video.
• 09:15 #2719, Computer 15, Validating NORDIC Denoising On High-Resolution FMRI Data At 7 T, Viktor Pfaffenrot, preview page, video.
• 09:15 #2721, Computer 17, Spin-Echo-Based Generalized Slice Dithered Enhanced Resolution (GSLIDER) For Mesoscale FMRI At 3 Tesla, Sam Torrisi, preview page.

Oral Educational & scientific session: laminar fMRI, 701B, 15:45

• 15:45 Data Acquisition & Analysis Basics for Laminar fMRI, Renzo Huber, preview page, video.
• 16:05 Physiological Basis of the Laminar fMRI Signal, Seong-Gi Kim, preview page.
• 16:33 #615 Layer dependent changes of neural activity underlying laminar fMRI, Daniel Zaldivar, preview page, video.
• 16:41 #616 Investigating the origin of negative BOLD responses using laminar CBF, CBV, T2 BOLD and CMRO2 fMRI in human visual cortex at 7T, Xingfeng Shao, preview page.
• 16:49 #617 Characterization of laminar spatiotemporal dynamics of CBV and BOLD signals using fast sampling at 7T fMRI in humans, Sebastian Dresbach, preview page, video.
• 16:57 #618 Detecting high temporal laminar-specific responses with line-scanning fMRI in awake mice, Sangcheon Choi, preview site, video.
• 17:05 #619 Optimized Signal Saturation For Fast Functional Line-Scanning Of Cortical Layers, Nils Nothnagel, preview site, video.
• 17:13 #620 Whole Brain Layer-FMRI On The NexGen 7T Scanner With High Performance Gradients And 64-Channel Receiver Array. Alexander Beckett, preview site, video.
• 17:21 #621 Layer-Specific Functional Connectivity With 3D VAPER FMRI, Yuhui Chai, preview site, video.
• 17:29 #622 Depth Dependent Signal From Human Ocular Dominance Columns With VASO FMRI At 7T, Atena Akbari, preview site, video.
• 17:37 #623 Layer-Resolved FMRI Activation And Connectivity Of The Left Inferior Frontal Cortex During Reading, preview page, Daniel Sharoh, video.

Poster: New Frontiers in Brain Imaging I, Exhibition hall, 15:45-16:45

• 15:45 #3295, Computer 65, Whole-Brain Sub-Millimeter Resolution fMRI using 3D EPI Accelerated with Temporal Random Walk, Suhyung Park, preview page.
• 15:45 #3302, Laminar effective connectivity of the default mode network assessed using 7T fMRI, Nguyen Phuoc Huynh, preview site, video.
• 15:45 #3370, Computer 140, Mapping the individual human cortex using multidimensional MRI and unsupervised learning, Shinjini Kundu, preview site.

Member-initiated Symposium: Laminar Structure-Function Exploration of the Cerebral Cortex Using UHF, 716A, 15:45

• 15:45 Quantitative MRI Profiles Across Cortical Layers in Premanifest Huntington’s Disease Using 7T MRI at 600uM Resolution, Mitsuko Nakajima, video.
• 16:10 Laminar/Columnar fMRI Alterations in Focal Hand Dystonia Patients, Silvina Horovitz, video.
• 16:35 Diffusion MRI of the Cortical Layers & Their Connections, Yaniv Assaf, video.
• 17:00 Imaging Cortical Pathology in Multiple Sclerosis Using UHF Quantitative MRI, Celine Louapre, video.

Wednesday, June 7th

Digital Posters: High- & Low-Field fMRI, Exhibition Hall, 08:15

• 8:15, #3663, Computer 81, Measuring Individual Vein And Artery BOLD Responses To Visual Stimuli In Humans With Multi-Echo Single-Vessel Functional MRI At 7T, Divya Varadarajan, preview page.
• 8:15, #3664, Computer 82, Ocular Dominance Columns Examined Using BOLD FMRI With Phase Regression At 7 T, Brett Liem, preview page, video.
• 8:15, #3665, Computer 83, Dependence Of The EPI And BSSFP Resting-State FMRI Signals On The Cortical Orientation Relative To B0: Initial Observations At 9.4 Tesla, Dana Ramadan, preview page, video.
• 8:15, #3669, Computer 87, Combining The Benefits Of 3D Acquisitions And Spiral Readouts For VASO FMRI At UHF, Alejandro Monreal-Madrigal, preview page, video.
• 8:15, #3670, Computer 88, Pushing Limits Of Spatial Resolution In 3D EPI For FMRI On The NexGen 7T Scanner, Alexander JS Beckett, preview site, video.
• 8:15, #3671, Computer 89, Entrainment Between Musical Stimuli And Cortical Depth-Dependent FMRI Signals, Hsin-Ju Lee, preview page.
• 8:15, #3673, Computer 91, Using Laminar FMRI And Modeling To Study Auditory Predictive Processing, Lonike Faes, preview page, video.
• 8:15, #3674, Computer 92, Increasing MT Contrast In Laminar FMRI Using PUSH PTx Pulses, Viktor Pfaffenrot, preview site.
• 8:15, #3675, Computer 93, Separation Of Sensory And Attention Input To The Human Primary Somatosensory Cortex By Spin- And Gradient-Echo BOLD FMRI, SoHyun Han, preview site, video.
• 8:15, #3676, Computer 94, Isolating The Arterial Blood Volume Change To Probe FMRI Spatial Specificity, Nikos Priovoulos, preview site, video.

Poster, Oxygenation & Preclinical fMRI, Exhibition hall, 13:30-14:30,

• #4027, Computer 94, Computing hemodynamic point-spread functions with biophysical simulations of microvascular networks: effects of trans-laminar capillaries, Grant Hartung, preview site, video.
• #4030, Computer 97, Simulating BOLD fMRI transverse relaxation at 3 T: How accurate is the infinite cylinder model of blood vessels?, Avery Berman, preview site.

Oral, Brain Connectivity in Humans & Animals, 715A/B, 15:45

• 16:17, #1028, Examining the temporal evolution of top-down task dependent modulations across cortical depths. Luca Vizioli, preview site, video.

Poster, Progress & Challenges in RF Coils II, 16:45, Exhibition Hall

• 16:45, #4592, Computer 173, PASTeUR package extension to slab-selective excitations and 3D-EPI for plug-and-play parallel transmit at 7 Tesla, Redouane Jamil, preview site.

Thursday, June 8th

Oral session: Artifacts & Mitigation Strategies, 716A/B, 8:15

• 8:15 #1149, Low spatial-frequency ripple artifacts in layer-fMRI EPI: Identification, cause, and mitigation strategies with Dual-polarity readout, Renzo Huber, preview site, video.
• 9:51, #1161, A Simultaneous Measurement of Opposite-Phase-Encoding EPI in a Single fMRI session for the Reduction of Acquisition Time and SAR at 7T, Seong Dae Yun, preview site.
• 10:07, #1162, Segmented 3D GRE-EPI Optimized For BOLD FMRI At 9.4T, Sebastian Mueller, preview site.

Poster, Contrast Agents, Exhibition Hall, 9:15,

• 9:15, #4884, Computer 115, Engineering Novel Functional Brain Imaging Contrast Agents Via Iron Oxide Encapsulation In Human Red Blood Cells, Elizabeth Fear, preview site.

Oral, Novel Methods in fMRI, 715A/B, 13:45

• 14:57, #1277, Submillimeter FMRI Acquisition Using A Dual-Echo Rosette-K-Space Trajectory At 3T, Gianna Nossa, preview site.