Regional homogeneity changes in heavy male smokers: A resting-state functional magnetic resonance imaging study

Rongjun Yu, Liyan Zhao*, Jie Tian, Wei Qin, Wei Wang, Kai Yuan, Qiang Li, Lin Lu

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

34 Citations (Scopus)

Abstract

Recent studies have documented declined global cognitive function and abnormal task-related brain activation in chronic cigarette smokers. However, the effects of long-term heavy smoking on task-independent baseline brain activity are still unknown. Here, we used a regional homogeneity (ReHo) method combined with functional magnetic resonance imaging (fMRI) to investigate spontaneous neural activity in the resting state in heavy smokers. Compared with controls, heavy smokers exhibited decreased ReHo in prefrontal regions, as well as increased ReHo in insula and posterior cingulate cortex. Our study may better our understanding of the neurobiological consequences of smoking.
Original languageEnglish
Pages (from-to)729-731
Number of pages3
JournalAddiction Biology
Volume18
Issue number4
DOIs
Publication statusPublished - Jul 2013
Externally publishedYes

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