Abraham Z. Snyder

Task-evoked deactivations: dissociation between BOLD fMRI and FDG

The paper investigates task-evoked BOLD fMRI deactivations and finds that they do not correlate with decreased glucose consumption, suggesting metabolic stability or increase in these regions.

Brain organization of a memory champion

This study maps the brain organization of a memory champion using functional MRI, revealing enhanced connectivity and unique modules related to memory techniques.

Temporal-orbitofrontal pathway regulates choices across physical reward and visual novelty

The paper investigates how perceptual novelty and reward value interact in decision-making by identifying a neural pathway between the anterior ventral temporal cortex and orbitofrontal cortex.

Psychedelic 5-HT2A receptor agonism: neuronal signatures and altered neurovascular coupling.

This study investigates the effects of the psychedelic 5-HT2A receptor agonist DOI on neuronal activity, hemodynamics, and neurovascular coupling in mice using wide-field optical imaging.

Motion Impact Score for Detecting Spurious Brain-Behavior Associations

The paper introduces SHAMAN, a method to assess motion impact on brain-behavior associations in fMRI studies, finding significant motion overestimation and underestimation in various traits.

Aging and the Spectral Properties of Brain Hemodynamics

The paper examines how aging affects cerebral glucose metabolism by analyzing spectral properties of resting-state fMRI signals and identifies a subset of older adults with divergent patterns linked to white matter pathology.

Hyperglycemia selectively increases cerebral non-oxidative glucose consumption without affecting blood flow

The paper shows acute hyperglycemia increases non-oxidative glucose consumption in specific brain regions without altering cerebral blood flow or oxygen metabolism.

The Generalizability of Cortical Area Parcellations Across Early Childhood

This study parcellates the cerebral cortex in toddlers using functional connectivity and shows high reproducibility across ages, with area boundaries more similar to adults than neonates.

Disuse-driven plasticity in the human thalamus and putamen

This study investigates disuse-driven plasticity in the human thalamus and putamen using fMRI, finding strengthened functional connectivity and signal pulses in these regions during limb immobilization.

Multi-echo Acquisition and Thermal Denoising Advances Precision Functional Imaging

This paper introduces multi-echo acquisition and thermal denoising methods to improve precision functional MRI in adults, children, and newborns, showing increased signal-to-noise ratio and reliability.

Structure-Function Coupling in Highly Sampled Individual Brains

The paper evaluates structure-function coupling in individual brains using high-resolution neuroimaging data and finds that structural connections strongly predict function in visual/motor regions and specific cingulate circuits.

Global cerebrospinal fluid circulation mapping using gold nanoparticle enhanced X-ray microtomography reveals region-specific brain and spinal cord CSF pathways

This study maps CSF pathways in the CNS using gold nanoparticle enhanced X-ray microtomography and identifies region-specific circulation patterns affecting stem cell and neuronal populations.

Human Fronto-Striatal Connectivity is Organized into Discrete Functional Subnetworks

This study identifies individual-specific discrete subnetworks of human cortico-striatal connectivity, revealing a stepped rostral-caudal gradient including previously unknown language network connections.

Cingulo-Opercular Control Network Supports Disused Motor Circuits in Standby Mode

The paper shows that disused motor regions become more connected to the cingulo-opercular network during limb constraint, mediated by spontaneous activity pulses.

Precision Diffusion Imaging

This study evaluates diffusion imaging methods for individual-specific precision, finding that BaMM reduces overfitting and achieves better crossing-fiber accuracy with more data.

Aging and the encoding of changes in events: The role of neural activity pattern reinstatement

This study investigates how neural activity pattern reinstatement in older and young adults relates to detecting and remembering changes in events using functional MRI.

Global Motion Detection and Censoring in High-Density Diffuse Optical Tomography

This paper introduces a motion detection method for HD-DOT that improves spatial similarity to fMRI by using a global variance of temporal derivatives metric and motion censoring.

Removal of high frequency contamination from motion estimates in single-band fMRI saves data without biasing functional connectivity

This paper identifies and removes high-frequency motion artifacts in single-band fMRI data, improving motion estimates and reducing data loss without biasing functional connectivity.

Correction of respiratory artifacts in MRI head motion estimates

This paper develops a band-stop filter to correct respiratory artifacts in MRI motion estimates, improving data quality and demonstrating real-time implementation.

Interpreting Temporal Fluctuations In Resting-State Functional Connectivity MRI

This paper examines statistical issues in dynamic functional connectivity analysis using resting-state fMRI data and suggests AR models may better capture temporal fluctuations than static FC or HMM approaches.