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Max M. Owens
University of Vermont
PsychiatryDevelopmental psychologyPsychologyFunctional magnetic resonance imagingCraving
34Publications
9H-index
372Citations
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Publications 36
Newest
#1Tashia PetkerH-Index: 2
#2Jane DeJesus (McMaster University)
Last. Geoffrey B. HallH-Index: 26
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There is some evidence that cannabis use is associated with lower cognitive performance and symptoms of attention-deficit/hyperactivity disorder (ADHD), but the existing literature is relatively inconsistent, potentially due to small samples in previous studies. Using a dimensional design, the current study examined cannabis use severity and age of first cannabis use in relation to neurocognitive performance and ADHD symptoms in a large sample of community adults (N = 1,008, Mage = 38.49, 56.0% ...
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#1Christopher Holmes (UGA: University of Georgia)H-Index: 7
#2Max M. Owens (UGA: University of Georgia)H-Index: 9
Last. Lawrence H. Sweet (UGA: University of Georgia)H-Index: 32
view all 10 authors...
Prior research has demonstrated the importance of delay discounting in adverse health behaviors, such as addiction, attention deficit hyperactivity disorder, risk taking, and obesity. Nevertheless, the functional connectivity of neural circuitry associated with delay discounting and the ways in which the social environment may influence frontostriatal connectivity remain largely unknown, particularly in African Americans. Building on recent literature implicating frontostriatal connectivity duri...
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#1Max M. Owens (UVM: University of Vermont)H-Index: 9
#2Lawrence H. Sweet (Brown University)H-Index: 32
Last. James MacKillop (St. Joseph's Healthcare Hamilton)H-Index: 46
view all 3 authors...
There is mixed evidence that individuals who use cannabis have reduced hippocampal and amygdalar gray matter volume, potentially because of small sample sizes and imprecise morphological characterization. New automated segmentation procedures have improved the measurement of these structures and allow better examination of their subfields, which have been linked to distinct aspects of memory and emotion. The current study applies this new segmentation procedure to the Human Connectome Project Yo...
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#1Courtland S. Hyatt (UGA: University of Georgia)H-Index: 7
#2Max M. Owens (UVM: University of Vermont)H-Index: 9
Last. Joshua D. Miller (UGA: University of Georgia)H-Index: 56
view all 6 authors...
Abstract Although covarying for potential confounds or nuisance variables is common in psychological research, relatively little is known about how the inclusion of covariates may influence the relations between psychological variables and indices of brain structure. In Part 1 of the current study, we conducted a descriptive review of relevant articles from the past two years of NeuroImage in order to identify the most commonly used covariates in work of this nature. Age, sex, and intracranial v...
2 CitationsSource
#1Tashia PetkerH-Index: 2
#2Max M. OwensH-Index: 9
Last. James MacKillopH-Index: 46
view all 6 authors...
Background There is evidence that heavy cannabis use is associated with decrements in cognitive performance, but findings are mixed and studies are often limited by small sample sizes and narrow adjustment for potential confounding variables. In a comparatively large sample, the current study examined associations between multiple indicators of cannabis use in relation to performance on a variety of neuropsychological tasks.
2 CitationsSource
#1Sabrina K. Syan (McMaster University)
#1Sabrina K. Syan (McMaster University)
Last. James MacKillop (McMaster University)H-Index: 46
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ABSTRACT Background Although nutritional and metabolic factors are well established in obesity, neurocognitive determinants are less understood. Using data from the Human Connectome Project, this study concurrently investigated neurocognitive performance, neural activation during a working memory task, and cortical brain morphometry in relation to obesity in a group of young adults, 22-35 years old. Methods Using a case-control design, obese individuals (n=243, body mass index [BMI] ≥ 30 kg/m2) ...
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#1Vanessa Morris (McMaster University)H-Index: 2
#1Vanessa L. Morris (McMaster University)H-Index: 1
Last. Michael Amlung (McMaster University)H-Index: 17
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1 CitationsSource
#1Bryant Duda (UGA: University of Georgia)H-Index: 4
#2Max M. Owens (UGA: University of Georgia)H-Index: 9
Last. Lawrence H. Sweet (Brown University)H-Index: 32
view all 4 authors...
The hemispheric asymmetry reduction in older adults (HAROLD) is a neurocompensatory process that has been observed across several cognitive functions but has not yet been examined in relation to task-induced relative deactivations of the default mode network. The present study investigated the presence of HAROLD effects specific to neural activations and deactivations using a functional magnetic resonance imaging (fMRI) n-back paradigm. It was hypothesized that HAROLD effects would be identified...
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#1Max M. Owens (UGA: University of Georgia)H-Index: 9
#2Courtland S. Hyatt (UGA: University of Georgia)H-Index: 7
Last. Lawrence H. Sweet (UGA: University of Georgia)H-Index: 32
view all 7 authors...
2 CitationsSource
#1Assaf Oshri (UGA: University of Georgia)H-Index: 20
#2Joshua C. Gray (USU: Uniformed Services University of the Health Sciences)H-Index: 10
Last. James MacKillop (St. Joseph's Healthcare Hamilton)H-Index: 46
view all 7 authors...
The aim of the present study was 2-fold: (1) to utilize improved amygdala segmentation and exploratory factor analysis to characterize the latent volumetric structure among amygdala nuclei and (2) ...
2 CitationsSource
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