White matter microstructure of the cingulum and cerebellar peduncle is related to sustained attention and working memory: a diffusion tensor imaging study.

Abstract:

:The non-invasive imaging technique of diffusion tensor imaging (DTI) has been used to investigate the microstructural properties of white matter (WM). The present study investigated whether individual differences in the WM structure of normal subjects as measured by fractional anisotropy (FA) values correlate with cognitive performance in terms of sustained attention and working memory. Subjects underwent DTI and performed the Continuous Performance Test (CPT) and N-back task. FA values throughout the brain were correlated with behavioral performance on a voxel-by-voxel basis to investigate relationships between WM microstructure and cognitive function. The discriminability index of CPT correlated positively with FA of the right cingulum. Accuracy of the 2-back task correlated positively with FA in bilateral cerebellar peduncles. WM microstructure of the right cingulum and bilateral cerebellar peduncles appears related to cognitive function such as sustained attention and working memory in the human brain.

journal_name

Neurosci Lett

journal_title

Neuroscience letters

authors

Takahashi M,Iwamoto K,Fukatsu H,Naganawa S,Iidaka T,Ozaki N

doi

10.1016/j.neulet.2010.04.031

subject

Has Abstract

pub_date

2010-06-21 00:00:00

pages

72-6

issue

2

eissn

0304-3940

issn

1872-7972

pii

S0304-3940(10)00478-7

journal_volume

477

pub_type

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