Treatment-related changes in neural activation vary according to treatment response and extent of spared tissue in patients with chronic aphasia

JP Johnson, EL Meier, Y Pan, S Kiran - Cortex, 2019 - Elsevier
… effect of spared tissue, the three-way interaction of time, ROI, and spared tissue was examined
by … spared tissue, ranging from 0 to 100% intact. As shown in Fig. 5, the estimated effect of …

[HTML][HTML] The relationship between frontotemporal effective connectivity during picture naming, behavior, and preserved cortical tissue in chronic aphasia

EL Meier, KJ Kapse, S Kiran - Frontiers in human neuroscience, 2016 - frontiersin.org
… in patients with stroke-induced chronic aphasia. During oral picture … While individuals with
aphasia have been found to recruit … spared tissue in LMFG compared to the amount of spared

The relationships between the amount of spared tissue, percent signal change, and accuracy in semantic processing in aphasia

JA Sims, K Kapse, P Glynn, C Sandberg, Y Tripodis… - Neuropsychologia, 2016 - Elsevier
… 14 persons with aphasia in the chronic stage of … of spared tissue within each of these
spared tissue ROIs in MRICRON. This was done by adding individual, normalized spared tissue

[HTML][HTML] A lesion and connectivity-based hierarchical model of chronic aphasia recovery dissociates patients and healthy controls

EL Meier, JP Johnson, Y Pan, S Kiran - NeuroImage: Clinical, 2019 - Elsevier
… with chronic aphasia in light of healthy control connectivity patterns and in relation to damaged
tissue … The amount of spared tissue within each lesioned mask was calculated so that the …

[HTML][HTML] Defining hypoperfusion in chronic aphasia: An individualized thresholding approach

NT Abbott, CJ Baker, C Chen, TT Liu, TE Love - Brain Sciences, 2021 - mdpi.com
spared tissue. Significant differences between the left and right homologue bands persisted
in the 3–6 mm band in all but 1 participant (S03, though see note for S04). Moving outward …

The utility of lesion classification in predicting language and treatment outcomes in chronic stroke-induced aphasia

EL Meier, JP Johnson, Y Pan, S Kiran - Brain imaging and behavior, 2019 - Springer
… Thirty-four patients with chronic aphasia due to left … GM metrics included the amount of
spared tissue within five … Our findings cohere with this result, given that spared tissue in the …

Intrahemispheric Perfusion in Chronic Stroke‐Induced Aphasia

CK Thompson, M Walenski, YF Chen… - Neural …, 2017 - Wiley Online Library
spared tissue in the left angular and supramarginal gyri associated with impaired reading in
a chronic aphasic … in a group of individuals with chronic aphasia induced by left hemisphere …

Measuring and inducing brain plasticity in chronic aphasia

J Fridriksson - Journal of communication disorders, 2011 - Elsevier
… targets relatively spared communication abilities may negatively affect later recovery of less
spared … Currently, much of the tissue segmentation relies on manual parcellation of different …

Left frontotemporal effective connectivity during semantic feature judgments in patients with chronic aphasia and age-matched healthy controls

EL Meier, JP Johnson, S Kiran - Cortex, 2018 - Elsevier
… Traditional models of neural reorganization of language skills in patients with chronic
stroke-induced aphasia (PWA) propose activation of reperfused or spared left hemisphere tissue

Atrophy of spared gray matter tissue predicts poorer motor recovery and rehabilitation response in chronic stroke

LV Gauthier, E Taub, VW Mark, A Barghi, G Uswatte - Stroke, 2012 - Am Heart Assoc
tissue from affecting the algorithm; and (2) statistical analysis such that only remaining brain
that was visibly spared … Tracings of damaged tissue were then normalized using an identical …