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Progressive Levels Of Physical Dependence To Tobacco Coincide With Changes In The Anterior Cingulum Bundle Microstructure, Wei Huang, Joseph R. Difranza, David N. Kennedy, Nanyin Zhang, Douglas M. Ziedonis, W. W. Sanouri A. Ursprung, Jean A. King
Progressive Levels Of Physical Dependence To Tobacco Coincide With Changes In The Anterior Cingulum Bundle Microstructure, Wei Huang, Joseph R. Difranza, David N. Kennedy, Nanyin Zhang, Douglas M. Ziedonis, W. W. Sanouri A. Ursprung, Jean A. King
Douglas M. Ziedonis
BACKGROUND: The tobacco withdrawal syndrome indicates the development of neurophysiologic dependence. Clinical evidence indicates that neurophysiologic dependence develops through a set sequence of symptom presentation that can be assessed with a new 3-item survey measure of wanting, craving, and needing tobacco, the Level of Physical Dependence (PD). This study sought to determine if advancing neurophysiologic dependence as measured by the Level of PD correlates with characteristics of white matter structure measured by Fractional Anisotropy (FA).
METHODS: Diffusion-MRI based FA and diffusion tensor imaging probabilistic tractography were used to evaluate 11 smokers and 10 nonsmokers. FA was also examined in relation …