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. Author manuscript; available in PMC: 2009 Dec 22.
Published in final edited form as: Aphasiology. 2008 Feb 1;22(2):204–223. doi: 10.1080/02687030601125019

Lesion sites for participants with RHD in two comprehension subgroups on DCT-Implied questions

MRI report of lesion site
Low Comprehenders
Watershed area between right MCA and PCA
Right basal ganglia; right parietal-occipital region
Right parietal
Posterior limb of right internal capsule and centrum semiovale area of right
parietal lobe
Right basal ganglia; also right temporal lobe and right insular cortex; a small right
temporo-parietal ischaemic infarct
Right occipital-parietal
Right frontal corona radiata extending into right putamen
Right fronto-parietal
Toward right vertex
Right MCA distribution
High Comprehenders
Right basal ganglia, medial temporal lobe, insular region, and parietal-occipital
region
Right thalamus; involvement of temporal and occipital lobe
Right posterior insular cortex
Medial surface of right anterior lobe, and superior aspect and part of the posterior
corpus callosum
Posterior aspect of right putamen and body of right caudate nucleus
Right MCA distribution
Right basal ganglia
Right basal ganglia involving the caudate nucleus, putamen and globus pallidus
Right frontal lobe and right basal ganglia
Right MCA distribution
Right thalamus and internal capsule
Right basal ganglia

DCT = Discourse Comprehension Test (Brookshire & Nicholas, 1993).