Altered Gray-Matter Volumes Associated With Betel Quid Dependence.

Abstract:

:Betel quid (BQ) is one of the most commonly consumed psychoactive substances. It has been suggested to be associated with various health issues, especially oral cancer. Evidence also points to possible decreased cognitive functions after long-term BQ chewing, such as attention and inhibition control. The present study aims to investigate the brain structure basis of BQ chewing in Hunan province of China. Twenty-five BQ chewers and 25 controls were recruited to participate in this study. Voxel-based morphormetry analysis revealed that there were three key regions showing structural differences between BQ chewers and controls, including bilateral dorsolateral prefrontal cortex (DLPFC)/insula, ventral medial prefrontal cortex, and left orbitofrontal cortex. Moreover, the GMV in the DLPFC could potentially predict BQ dependence scores, level of daily BQ chewing, and history of BQ chewing. These results suggested that participants who showed BQ chewing dependence may have deficit in inhibition control and affective decision-making, and the level of deficit was dependent on the level of daily BQ chewing, and history of BQ chewing. Understanding the neurobiology features of BQ chewing would help us develop novel ways to diagnose and prevent BQ dependence.

journal_name

Front Psychiatry

journal_title

Frontiers in psychiatry

authors

Yuan F,Kong L,Zhu X,Jiang C,Fang C,Liao W

doi

10.3389/fpsyt.2017.00139

subject

Has Abstract

pub_date

2017-08-03 00:00:00

pages

139

issn

1664-0640

journal_volume

8

pub_type

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