User profiles for "author:L J O'Donnell"

Lauren J. O'Donnell

Associate Professor, Harvard Medical School and Brigham and Women's Hospital
Verified email at bwh.harvard.edu
Cited by 7200

An introduction to diffusion tensor image analysis

LJ O'Donnell, CF Westin - Neurosurgery Clinics, 2011 - neurosurgery.theclinics.com
Diffusion tensor magnetic resonance imaging (DTI) is a relatively new technology that is
popular for imaging the white matter of the brain. This article provides a basic and broad …

[HTML][HTML] Quantitative mapping of the brain's structural connectivity using diffusion MRI tractography: A review

F Zhang, A Daducci, Y He, S Schiavi, C Seguin… - Neuroimage, 2022 - Elsevier
Diffusion magnetic resonance imaging (dMRI) tractography is an advanced imaging
technique that enables in vivo reconstruction of the brain's white matter connections at …

[HTML][HTML] White matter tractography for neurosurgical planning: A topography-based review of the current state of the art

WI Essayed, F Zhang, P Unadkat, GR Cosgrove… - NeuroImage: Clinical, 2017 - Elsevier
We perform a review of the literature in the field of white matter tractography for
neurosurgical planning, focusing on those works where tractography was correlated with …

Detection of pseudodiarrhoea by simple clinical assessment of intestinal transit rate.

LJ O'Donnell, J Virjee, KW Heaton - BMJ: British Medical Journal, 1990 - ncbi.nlm.nih.gov
Cervical intraepithelial neoplasia is common in young symptomless women. Such women
often believe that the function of a smear test is to detect cancer rather than to prevent …

An integrated visualization system for surgical planning and guidance using image fusion and an open MR

DT Gering, A Nabavi, R Kikinis, N Hata… - Journal of Magnetic …, 2001 - Wiley Online Library
A surgical guidance and visualization system is presented, which uniquely integrates
capabilities for data analysis and on‐line interventional guidance into the setting of …

Automatic tractography segmentation using a high-dimensional white matter atlas

LJ O'Donnell, CF Westin - IEEE transactions on medical …, 2007 - ieeexplore.ieee.org
We propose a new white matter atlas creation method that learns a model of the common
white matter structures present in a group of subjects. We demonstrate that our atlas creation …

Q-space trajectory imaging for multidimensional diffusion MRI of the human brain

CF Westin, H Knutsson, O Pasternak… - Neuroimage, 2016 - Elsevier
This work describes a new diffusion MR framework for imaging and modeling of
microstructure that we call q-space trajectory imaging (QTI). The QTI framework consists of …

[HTML][HTML] Tractography dissection variability: What happens when 42 groups dissect 14 white matter bundles on the same dataset?

KG Schilling, F Rheault, L Petit, CB Hansen, V Nath… - Neuroimage, 2021 - Elsevier
White matter bundle segmentation using diffusion MRI fiber tractography has become the
method of choice to identify white matter fiber pathways in vivo in human brains. However …

Corpus callosum abnormalities and their association with psychotic symptoms in patients with schizophrenia

TJ Whitford, M Kubicki, JS Schneiderman… - Biological …, 2010 - Elsevier
BACKGROUND: While the neuroanatomical underpinnings of the functional brain
disconnectivity observed in patients with schizophrenia (SZ) remain elusive, white matter …

Tract-based morphometry for white matter group analysis

LJ O'Donnell, CF Westin, AJ Golby - Neuroimage, 2009 - Elsevier
We introduce an automatic method that we call tract-based morphometry, or TBM, for
measurement and analysis of diffusion MRI data along white matter fiber tracts. Using …