Search Results - "Keen, Larry"

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  1. 1

    Relationship between central autonomic effective connectivity and heart rate variability: A Resting-state fMRI dynamic causal modeling study by Ma, Liangsuo, Keen, Larry D., Steinberg, Joel L., Eddie, David, Tan, Alex, Keyser-Marcus, Lori, Abbate, Antonio, Moeller, F. Gerard

    Published in NeuroImage (Orlando, Fla.) (15-10-2024)
    “…•Resting-state fMRI data were acquired from 34 healthy participants.•Effective connectivities (ECs) associated with HRV and heart rate were…”
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    Journal Article
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    Self-Reported Lifetime Violence Exposure and Self-Compassion Associated With Satisfaction of Life in Historically Black College and University Students by Blanden, Gwenna, Butts, Christina, Reid, Mitchell, Keen, Larry

    Published in Journal of interpersonal violence (01-05-2021)
    “…In the United States, approximately 25% of minors have witnessed a violent act, specifically physical assault. African Americans from under-served backgrounds…”
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    Effect of scanning duration and sample size on reliability in resting state fMRI dynamic causal modeling analysis by Ma, Liangsuo, Braun, Sarah E., Steinberg, Joel L., Bjork, James M., Martin, Caitlin E., Keen II, Larry D., Moeller, F. Gerard

    Published in NeuroImage (Orlando, Fla.) (15-04-2024)
    “…•Investigated the effect of scanning duration on reliability in resting state fMRI.•The effect of sample size were also investigated.•Effective connectivity…”
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  4. 4

    Recreational cannabis use is associated with poorer sleep outcomes in young adult African Americans by Bell, Kimberly A., Coleman, Elijah, Cooke, Benson G., Keen, Larry D.

    Published in Addictive behaviors (01-11-2022)
    “…•Increased cannabis use predict shorter sleep onset latency in young adults.•Higher levels of cannabis use predict lower sleep efficiency.•The associations of…”
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    Injection and non-injection drug use and infectious disease in Baltimore City: Differences by race by Keen, Larry, Khan, Maria, Clifford, Lisa, Harrell, Paul T, Latimer, William W

    Published in Addictive behaviors (01-09-2014)
    “…Abstract Purpose The current study examines differences in the prevalence of biologically-confirmed hepatitis C virus (HCV), HIV, and coinfection between Black…”
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  7. 7

    Binge drinking, stimulant use and HIV risk in a sample of illicit drug using heterosexual Black men by Keen, Larry, Dyer, Typhanye Penniman, Whitehead, Nicole Ennis, Latimer, William

    Published in Addictive behaviors (01-09-2014)
    “…Abstract Background Relatively little research has examined the effects of binge drinking and HIV risk in heterosexual Black men. Even less research has…”
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  8. 8

    Self-reported lifetime marijuana use and interleukin-6 levels in middle-aged African Americans by Keen, Larry, Pereira, Deidre, Latimer, William

    Published in Drug and alcohol dependence (01-07-2014)
    “…Abstract Background Research examining the relationship between marijuana and cytokine function has been well developed in the biochemical literature. However,…”
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  9. 9

    Inverse associations between parasympathetic activity and cognitive flexibility in African Americans: Preliminary findings by Keen, Larry, Tan, Alex Y., Abbate, Antonio

    Published in International journal of psychophysiology (01-09-2020)
    “…Previous research suggests that vagal activity and executive function (EF) are positively associated. However, existing data exploring the relationship between…”
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  10. 10

    Lifetime marijuana use and sexually transmitted infection history in a sample of Black college students by Keen, Larry, Blanden, Gwenna, Rehmani, Nasreen

    Published in Addictive behaviors (01-09-2016)
    “…Abstract Background Sexually transmitted infections (STIs) and marijuana use are more prevalent in African Americans/Blacks (Blacks) than any other ethnicity…”
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    Confirmed marijuana use and lymphocyte count in black people living with HIV by Keen, Larry, Abbate, Antonio, Blanden, Gwenna, Priddie, Christen, Moeller, F. Gerard, Rathore, Mobeen

    Published in Drug and alcohol dependence (01-05-2019)
    “…Marijuana is a commonly used recreational substance with purported analgesic and mood enhancing properties. Many people living with HIV identify marijuana as a…”
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    Patterns of Mood and Personality Factors and Associations With STI/HIV-Related Drug and Sex Risk Among African American Male Inmates by Scheidell, Joy D., Lejuez, Carl W., Golin, Carol E., Adimora, Adaora A., Wohl, David A., Keen, Larry D., Hammond, Michael, Judon-Monk, Selena, Khan, Maria R.

    Published in Substance use & misuse (07-06-2017)
    “…Background: Research on the association between antisocial personality disorder (ASPD) with comorbid mental disorders and sexually transmitted infection…”
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    Confirmed marijuana use and lymphocyte count in black people living with HIV by Keen, 2nd, Larry, Abbate, Antonio, Blanden, Gwenna, Priddie, Christen, Moeller, F Gerard, Rathore, Mobeen

    Published in Drug and alcohol dependence (01-11-2017)
    “…Marijuana is a commonly used recreational substance with purported analgesic and mood enhancing properties. Many people living with HIV identify marijuana as a…”
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    Journal Article
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    Younger Versus Older African Americans: Patterns and Prevalence of Recent Illicit Drug Use by Whitehead, Nicole Ennis, Trenz, Rebecca C., Keen, Larry, Rose, Jonathan, Latimer, William W.

    Published in Journal of ethnicity in substance abuse (01-04-2014)
    “…Objectives: The current study examined recent substance use among younger and older African Americans and factors associated with recent use. Methods: The…”
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    Differential effects of self-reported lifetime marijuana use on interleukin-1 alpha and tumor necrosis factor in African American adults by Keen, Larry, Turner, Arlener D.

    Published in Journal of behavioral medicine (01-06-2015)
    “…It is unknown how lifetime marijuana use affects different proinflammatory cytokines. The purpose of the current study is to explore potential differential…”
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    Depressive symptomatology and respiratory sinus arrhythmia in a non-clinical sample of middle-aged African Americans by Keen, Larry, Turner, Arlener D., Mwendwa, Denee, Callender, Clive, Campbell, Alfonso

    Published in Biological psychology (01-05-2015)
    “…•Baseline respiratory sinus arrhythmia positively associated with BDI-II total score.•Examined bot cognitive and somatic affective subscales with…”
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    The Influence of Coping With Perceived Racism and Stress on Lipid Levels in African Americans by Mwendwa, Denee T., PhD, Sims, Regina C., PhD, Madhere, Serge, PhD, Thomas, Joneis, PhD, Keen, Larry D., MS, Callender, Clive O., MD, Campbell, Alfonso L., PhD

    “…Background : Lipid dysregulation is a major contributor to cardiovascular disease (CVD) risk and is attributed to numerous biological, psychosocial, and…”
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