Now showing items 1-20 of 1137

    • Perceiving facial affective ambiguity: A behavioral and neural comparison of adolescents and adults. 

      Lee, Tae-Ho; Perino, Michael T.; McElwain, Nancy L.; Telzer, Eva H. (2019-01-10)
      The current study examined perceptual differences between adults and youth in perceiving ambiguous facial expressions. We estimated individuals' internal representation for facial expressions and compared it between age ...
    • Functional and cognitive status in Clostridium difficile infection in the hospitalized elderly: A Retrospective Study of Two Sites 

      Fernandez-Cotarelo, Maria-Jose; Nagy-Agren, Stephanie E.; Smolkin, Mark E.; Jiminez-Diez-Canseco, Leticia; Perez-Pomata, Maria-Teresa; Shenal, Brian V.; Warren, Cirle A. (Springer, 2019-03-20)
      Advanced age is a risk factor for Clostridium difficile infection (CDI), and older patients have more severe CDI and worse outcome [1-3]. We investigated whether CDI in the elderly is associated with functional and cognitive ...
    • Older Ghanaian adults’ perceptions of physical activity: an exploratory, mixed methods study 

      Balis, Laura E; Sowatey, Godfred; Ansong-Gyimah, Kwame; Ofori, Eunice; Harden, Samantha M (2019-03-15)
      Abstract Background Ghana is experiencing an epidemiological shift in public health issues toward non-communicable diseases that are underpinned by modifiable health behaviors. ...
    • The Development and Field Evaluation of an IoT System of Low-Power Vibration for Bridge Health Monitoring 

      Tong, Xinlong; Yang, Hailu; Wang, Linbing; Miao, Yinghao (MDPI, 2019-03-11)
      Bridge safety is important for the safety of vehicles and pedestrians. This paper presents a study on the development of a low-power wireless acceleration sensor and deployment of the sensors on a wireless gateway and cloud ...
    • Agricultural Practices Influence Salmonella Contamination and Survival in Pre-harvest Tomato Production 

      Gu, Ganyu; Strawn, Laura K.; Oryang, David O.; Zheng, Jie; Reed, Elizabeth A.; Ottesen, Andrea R.; Bell, Rebecca L.; Chen, Yuhuan; Duret, Steven; Ingram, David T.; Reiter, Mark S.; Pfuntner, Rachel; Brown, Eric W.; Rideout, Steven L. (Frontiers, 2018-10-16)
      Between 2000 and 2010 the Eastern Shore of Virginia was implicated in four Salmonella outbreaks associated with tomato. Therefore, a multi-year study (2012-2015) was performed to investigate presumptive factors associated ...
    • Context Modulation of Facial Emotion Perception Differed by Individual Difference 

      Lee, Tae-Ho; Choi, June-Seek; Cho, Yang Seok (PLOS, 2012-03-14)
      Background: Certain facial configurations are believed to be associated with distinct affective meanings (i.e. basic facial expressions), and such associations are common across cultures (i.e. universality of facial ...
    • A case for conserving common species 

      Frimpong, Emmanuel (PLOS, 2018-02-07)
      I grew up in a country where fish were, first and foremost, food. At the age of nine or so, I started following my dad and uncle to nearby rivers to fish on weekends, and soon I learned to make my own tackle and go back ...
    • Impact of demographic disparities in social distancing and vaccination on influenza epidemics in urban and rural regions of the United States 

      Singh, Meghendra; Sarkhel, Prasenjit; Kang, Gloria J.; Marathe, Achla; Boyle, Kevin; Murray-Tuite, Pamela; Abbas, Kaja M.; Swarup, Samarth (2019-03-04)
      Abstract Background Self-protective behaviors of social distancing and vaccination uptake vary by demographics and affect the transmission dynamics of influenza in the United ...
    • Frontal beta-theta network during REM sleep 

      Vijayan, Sujith; Lepage, Kyle Q.; Kopell, Nancy J.; Cash, Sydney S. (eLife Sciences Publications, 2017-01-25)
      We lack detailed knowledge about the spatio-temporal physiological signatures of REM sleep, especially in humans. By analyzing intracranial electrode data from humans, we demonstrate for the first time that there are ...
    • Block copolymer derived uniform mesoporesenable ultrafast electron and ion transport at highmass loadings 

      Liu, Tianyu; Zhou, Zhenping; Guo, Yichen; Guo, Dong; Liu, Guoliang (Nature Research, 2019)
      High mass loading and fast charge transport are two crucial but often mutually exclusive characteristics of pseudocapacitors. On conventional carbon supports, high mass loadings inevitably lead to sluggish electron conduction ...
    • A Pilot Study of the Effects of Mindfulness-Based Cognitive Therapy on Positive Affect and Social Anxiety Symptoms 

      Strege, Marlene V.; Swain, Deanna; Bochicchio, Lauren; Valdespino, Andrew; Richey, John A. (Frontiers, 2018-06-01)
      Randomized controlled trials have demonstrated that mindfulness-based cognitive therapy (MBCT) is efficacious in reducing residual depressive symptoms and preventing future depressive episodes (Kuyken et al., 2016). One ...
    • Drought and Human Impacts on Land Use and Land Cover Change in a Vietnamese Coastal Area 

      Tran, Hoa Thi; Campbell, James B.; Wynne, Randolph H.; Shao, Yang; Phan, Son Viet (MDPI, 2019-02-08)
      Drought is a dry-weather event characterized by a deficit of water resources in a period of year due to less rainfall than normal or overexploitation. This insidious hazard tends to occur frequently and more intensively ...
    • Effects of Producer and Transmission Reliability on the Sustainability Assessment of Power System Networks 

      Vargas-Jaramillo, Jose R.; Montanez-Barrera, Jhon A.; von Spakovsky, Michael R.; Mili, Lamine; Cano-Andrade, Sergio (MDPI, 2019-02-10)
      Details are presented of the development and incorporation of a generation and transmission reliability approach in an upper-level sustainability assessment framework for power system planning. This application represents ...
    • Characterization and prediction of tropical cyclone forerunner surge 

      Liu, Yi; Irish, Jennifer L. (Elsevier, 2019)
      Forerunner surge, a water level rise ahead of tropical cyclone landfall, often strikes coastal communities unexpectedly, stranding people and increasing loss of life. Surge forecasting systems and emergency managers almost ...
    • IIHCC Newsletter, November 2018 

      Unknown author (Virginia Tech, 2018-11)
      IIHCC has identified better ways to improve communication, transparency, and engagement between IIHCC and those wishing to become or remain involved with the DA. A monthly newsletter is a great solution for disseminating ...
    • IIHCC Newsletter, December 2018 

      Unknown author (Virginia Tech, 2018-12)
      IIHCC has identified better ways to improve communication, transparency, and engagement between IIHCC and those wishing to become or remain involved with the DA. A monthly newsletter is a great solution for disseminating ...
    • IIHCC Newsletter – Winter Edition 2019 

      Unknown author (Virginia Tech, 2019-01)
      In this edition—and future editions—a new section called “Cluster Hire Spotlight,” which serves as a mechanism to support and increase transdisciplinary collaborations with IIHCC Cluster Hires and the Virginia Tech community. ...
    • Hybrid metamaterials for electrically triggered multifunctional control 

      Liu, Liu; Kang, Lei; Mayer, Theresa S.; Werner, Douglas H. (Springer Nature, 2016-10-27)
      Despite the exotic material properties that have been demonstrated to date, practical examples of versatile metamaterials remain exceedingly rare. The concept of metadevices has been proposed in the context of hybrid ...
    • Quantifying climate sensitivity and climate-driven change in North American amphibian communities 

      Miller, David A. W.; Grant, Evan H. Campbell; Muths, Erin; Amburgey, Staci M.; Adams, Michael J.; Joseph, Maxwell B.; Waddle, J. Hardin; Johnson, Pieter T. J.; Ryan, Maureen E.; Schmidt, Benedikt R.; Calhoun, Daniel L.; Davis, Courtney L.; Fisher, Robert N.; Green, David M.; Hossack, Blake R.; Rittenhouse, Tracy A. G.; Walls, Susan C.; Bailey, Larissa L.; Cruickshank, Sam S.; Fellers, Gary M.; Gorman, Thomas A.; Haas, Carola A.; Hughson, Ward; Pilliod, David S.; Price, Steven J.; Ray, Andrew M.; Sadinski, Walt; Saenz, Daniel; Barichivich, William J.; Brand, Adrianne; Brehme, Cheryl S.; Dagit, Rosi; Delaney, Katy S.; Glorioso, Brad M.; Kats, Lee B.; Kleeman, Patrick M.; Pearl, Christopher A.; Rochester, Carlton J.; Riley, Seth P. D.; Roth, Mark; Sigafus, Brent H. (2018-09-25)
      Changing climate will impact species' ranges only when environmental variability directly impacts the demography of local populations. However, measurement of demographic responses to climate change has largely been limited ...
    • Valorization of hemicellulose hydrolyzates into eco-friendly surfactants 

      Liu, Wei; Roman, Maren (AMER CHEMICAL SOC, 2018-03-18)