Brian Arie Wandell

An image-computable spatio-chromatic receptive field model of the midget retinal ganglion mosaic across the retina

The paper develops a computational model of midget retinal ganglion cell receptive fields that simulates physiological experiments and explores how their organization affects visual performance.

Modeling Spectroradiometric Measurements of Oral Mucosal Autofluorescence

This study models spectroradiometric measurements of oral mucosal autofluorescence to estimate fluorophore contributions and blood optical density in healthy human tissue.

Deriving the cone fundamentals: a subspace intersection method

This paper introduces a computational method to estimate human cone fundamentals using only color matching data from dichromatic observers, without requiring trichromatic data or knowledge of primary lights.

Limitations of line-scan MRI for directly measuring neural activity

This paper investigates noise in line-scan MRI and shows that temporal fluctuations can mimic neural responses, highlighting limitations in detecting the DIANA response.

Reproducible Tract Profiles (RTP2): from diffusion MRI acquisition to clinical practice and research

The paper introduces RTP2, a reproducible and automated method for white-matter tractography and tractometry using diffusion MRI data.

Measuring brain beats: cardiac-aligned fast fMRI signals

The paper measures cardiac-aligned fast fMRI signals to assess blood and CSF flow dynamics in the brain using SMS acquisition methods.

Interpreting sensory and cognitive signals in the cortical reading network

The paper examines how different visual patterns affect pRF estimates in the visual cortex and reading network, finding differences in sensory and cognitive signal integration.

Population receptive field shapes in early visual cortex are nearly circular

The paper evaluates the shape of population receptive fields in early visual cortex, finding that aspect ratios are less than 2, contradicting previous claims of highly elliptical shapes.

A computational observer model of spatial contrast sensitivity: Effects of photocurrent encoding, fixational eye movements and inference engine

The paper models how fixational eye movements and phototransduction affect spatial contrast sensitivity in a computational observer, bringing its sensitivity closer to human levels.

A validation framework for neuroimaging software: the case of population receptive fields

The paper introduces a framework for validating neuroimaging software using ground-truth testing, applied to population receptive field analysis in fMRI data.

Ray tracing 3D spectral scenes through human optics models

The paper introduces ISET3d, a software tool that simulates 3D image formation through human optics models, enabling analysis of retinal irradiance and its impact on visual perception.

Computational-Observer Analysis of Illumination Discrimination

This study compares human ability to discriminate illumination with a computational model of cone isomerizations, identifying aspects of performance that require further explanation.

Reproducible Tract Profiles (RTP): from diffusion MRI acquisition to publication

The paper introduces a system for reproducible tractography using diffusion MRI data through a cloud-based platform and containerized tools.

A computational observer model of spatial contrast sensitivity: Effects of wavefront-based optics, cone mosaic structure, and inference engine

The paper develops a computational observer model to simulate human spatial contrast sensitivity, showing how cone mosaic structure, optics, and inference engines affect performance.

Simulation of visual perception and learning with a retinal prosthesis

This paper presents a computational framework to simulate visual perception with a retinal prosthesis and assesses how learning might improve inferred visual perception.

Simulating retinal encoding: factors influencing Vernier acuity

This study simulates retinal encoding to identify factors limiting Vernier acuity, finding that Poisson absorptions and eye movements are critical.