Volume 177 , 1 August 2017, Pages 268-276 Reward-related frontostriatal activity and smoking behavior among adolescents in treatment for smoking cessation Author links open overlay panel Kathleen A.Garrisona One of the first longitudinal fMRI studies of smoking cessation treatment in adolescents. Adolescents show increased non-drug reward-related brain activity pre- to post-treatment. Increases in reward-related brain activity were associated with smoking abstinence. Tobacco use is often initiated during adolescence and continued into adulthood despite desires to quit. A better understanding of the neural correlates of abstinence from smoking in adolescents may inform more effective smoking cessation interventions. Neural reward systems are implicated in tobacco use disorder, and adolescent smokers have shown reduced reward-related ventral striatal activation related to increased smoking. The current study evaluated nondrug reward anticipation in adolescent smokers using a monetary incentive delay task in fMRI pre- and post- smoking cessation treatment (n = 14). This study tested how changes in neural responses to reward anticipation pre- to post-treatment were related to reduced smoking. An exploratory analysis in a larger sample of adolescents with only pre-treatment fMRI (n = 28) evaluated how neural responses to reward anticipation were related to behavioral inhibition and behavioral activation scales. Adolescent smokers showed pre- to post-treatment increases in reward anticipation-related activity in the bilateral nucleus accumbens and insula, and medial prefrontal cortex, and greater increases in reward anticipation-related activity were correlated with larger percent days of smoking abstinence during treatment.
Oct 3, 2017 - Evansville Courier & Press Gary Thurby, left, and Heath Thurby are third- and fourth-generation tobacco farmers at Thurby Farms in Henderson County, Ky., Friday afternoon. They are hoping the tobacco crop this year makes up for the meager harvest of the past two years. DENNY SIMMONS / COURIER & PRESS ( continue reading ) Click one of the buttons below or search. Here you can find useful examples and description about searching the news archive. Read it carefully to get the best results. If you need more help, please contact us. Searching is case insensitive. Words music and mUSIC return the same results. Some of the common words like the, is, etc. are not included in your search. The symbol "|" stands for OR and symbol "&" stands for AND.
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