• Publications
  • Influence
Delayed reward discounting and addictive behavior: a meta-analysis
RationaleDelayed reward discounting (DRD) is a behavioral economic index of impulsivity and numerous studies have examined DRD in relation to addictive behavior. To synthesize the findings across theExpand
  • 604
  • 47
Chronic cigarette smoking and the microstructural integrity of white matter in healthy adults: a diffusion tensor imaging study.
Results from recent studies suggest that chronic cigarette smoking is associated with increased white matter volume in the brain as determined by in vivo neuroimaging. We used diffusion tensorExpand
  • 114
  • 15
Impulsivity and verbal deficits associated with domestic violence.
While neurobiological factors are known to play a role in human aggression, relatively few studies have examined neuropsychological contributions to propensity for violence. We previouslyExpand
  • 79
  • 10
Behavioral economic analysis of withdrawal- and cue-elicited craving for tobacco: an initial investigation.
INTRODUCTION The role of craving in nicotine dependence remains controversial and may be a function of measurement challenges. The current study used behavioral economic approach to test theExpand
  • 75
  • 9
Effects of Acute Nicotine Abstinence on Cue-elicited Ventral Striatum/Nucleus Accumbens Activation in Female Cigarette Smokers: A Functional Magnetic Resonance Imaging Study
To achieve greater understanding of the brain mechanisms underlying nicotine craving in female smokers, we examined the influence of nicotine non-abstinence vs. acute nicotine abstinence onExpand
  • 64
  • 8
Effects of HIV and early life stress on amygdala morphometry and neurocognitive function.
Both HIV infection and high levels of early life stress (ELS) have been related to abnormalities in frontal-subcortical structures, yet the combined effects of HIV and ELS on brain structure andExpand
  • 27
  • 8
Vascular and cognitive functions associated with cardiovascular disease in the elderly
This study examines the relationship between systemic vascular function, neurocognitive performance, and structural brain abnormalities on magnetic resonance imaging (MRI) among geriatric outpatientsExpand
  • 90
  • 7
Functional Magnetic Resonance Imaging of Working Memory among Multiple Sclerosis Patients
Background and Purpose. Verbal working memory (VWM) deficits have been a well‐replicated finding among patients with multiple sclerosis (MS). Functional magnetic resonance imaging (FMRI) studies haveExpand
  • 85
  • 7
Functional magnetic resonance imaging response to increased verbal working memory demands among patients with multiple sclerosis
Multiple sclerosis (MS) patients frequently experience impaired verbal working memory (VWM). Functional magnetic resonance imaging (fMRI) may help identify neural mechanisms underlying theseExpand
  • 110
  • 7
Cognitive Interference From Food Cues in Weight Loss Maintainers, Normal Weight, and Obese Individuals
Much attention has been paid to the behavioral characteristics of successful weight loss maintenance, but less is known about the cognitive processes that underlie this process. The purpose of thisExpand
  • 60
  • 7