2015
DOI: 10.1111/epi.12931
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The corpus callosum and recovery of working memory after epilepsy surgery

Abstract: SUMMARYObjective: For patients with medically intractable focal epilepsy, the benefit of epilepsy surgery must be weighed against the risk of cognitive decline. Clinical factors such as age and presurgical cognitive level partially predict cognitive outcome; yet, little is known about the role of cross-hemispheric white matter pathways in supporting postsurgical recovery of cognitive function. The purpose of this study is to determine whether the presurgical corpus callosum (CC) midsagittal area is associated … Show more

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Cited by 8 publications
(10 citation statements)
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“…Moreover, several DTI studies found reduced fractional anisotropy in corpus callosum, indicating less connectivity [ 20 , 28 ]. In addition, it is reported that the volume of corpus callosum is related to the improvement of working memory ability and transcallosal pathways may be important in the recovery of cognitive functions [ 29 ]. It should be mentioned that as an inherently low resolution and low signal to noise ratio (SNR) technique, ASL data faces some challenges to perform group-wise comparisons in deep WM ASL measurements.…”
Section: Discussionmentioning
confidence: 99%
“…Moreover, several DTI studies found reduced fractional anisotropy in corpus callosum, indicating less connectivity [ 20 , 28 ]. In addition, it is reported that the volume of corpus callosum is related to the improvement of working memory ability and transcallosal pathways may be important in the recovery of cognitive functions [ 29 ]. It should be mentioned that as an inherently low resolution and low signal to noise ratio (SNR) technique, ASL data faces some challenges to perform group-wise comparisons in deep WM ASL measurements.…”
Section: Discussionmentioning
confidence: 99%
“…Likewise, U-shaped bers, the frontal aslant tract and the frontal superior longitudinal tract 23 complete the network by connecting different regions within the frontal cortex and the SMA. We also observed the involvement of the corpus callosum, which facilitates interhemispheric integration required for working memory 24 .…”
Section: Visual Working Memory Taskmentioning
confidence: 55%
“…Similarly, the fronto-frontal tracts involvement in the working memory Functionnectome supports the hypothesis of the frontal lobe working hierarchically 8,20,40 . Additionally, classical working memory activation tasks 41 and clinical studies 24 unveiled the importance of both hemispheres for working memory, but researchers could only speculate about the underlying anatomical circuitry. Here, the Functionnectome revealed the exact portion of the corpus callosum that integrates bilateral contribution to working memory.…”
Section: Discussionmentioning
confidence: 99%
“…Likewise, U-shaped fibers, the frontal aslant tract, and the frontal superior longitudinal tract (37) complete the network by connecting different regions within the frontal cortex and the SMA. We also observed the corpus callosum's involvement, which facilitates interhemispheric integration required for working memory (38).…”
Section: Motor Tasksmentioning
confidence: 58%
“…Similarly, the fronto- frontal tracts involvement in the working memory Functionnectome supports the hypothesis of the frontal lobe working hierarchically 8,22,42 . Additionally, classical working memory activation tasks 43 and clinical studies 26 unveiled the importance of both hemispheres for working memory, but researchers could only speculate about the underlying anatomical circuitry. Here, the Functionnectome revealed the exact portion of the corpus callosum that integrates bilateral contribution to working memory.…”
Section: Discussionmentioning
confidence: 99%