Now showing items 21-40 of 1800

    • Predictability Modulates Human Brain Response to Reward 

      Berns, Gregory S.; McClure, Samuel M.; Pagnoni, Guiseppe; Montague, P. Read (Society for Neuroscience, 2001-04-15)
      Certain classes of stimuli, such as food and drugs, are highly effective in activating reward regions. We show in humans that activity in these regions can be modulated by the predictability of the sequenced delivery of ...
    • What About Elders Who Have No Informal or Formal Support? 

      Blieszner, Rosemary; Roberto, Karen A. (Virginia Tech, 2001-06-30)
      Telephone interview data from a representative sample of 2,034 rural elders showed that 26.3% had limitations in abilities to perform daily activities (cooking, walking, cleaning, driving, etc.). Of these, many received ...
    • Use of Mental Health and Substance Abuse Treatment Services Among Adults With HIV in the United States 

      Burnam, M. Audrey; Bing, Eric G.; Morton, Sally C.; Sherbourne, Cathy; Fleishman, John A.; London, Andrew S.; Vitiello, Benedetto; Stein, Michael; Bozzette, Samuel A.; Shapiro, Martin F. (AMA, 2001-08)
      Background: The need for mental health and substance abuse services is great among those with human immunodeficiency virus (HIV), but little information is available on services used by this population or on individual ...
    • Psychiatric Disorders and Drug Use Among Human Immunodeficiency Virus–Infected Adults in the United States 

      Bing, Eric G.; Burnam, M. Audrey; Longshore, Douglas; Fleishman, John A.; Sherbourne, Cathy Donald; London, Andrew S.; Turner, Barbara J.; Eggan, Ferd; Beckman, Robin; Vitiello, Benedetto; Morton, Sally C.; Orlando, Maria; Bozzette, Samuel A.; Ortiz-Barron, Lucila; Shapiro, Martin (AMA, 2001-08)
      Background: There have been no previous nationally representative estimates of the prevalence of mental disorders and drug use among adults receiving care for human immunodeficiency virus (HIV) disease in the United States. ...
    • Well-being and Coping Strategies of Elders Without Informal Support 

      Blieszner, Rosemary; Roberto, Karen A. (Virginia Tech, 2001-08-25)
      Telephone interview data from a representative sample of 2,034 rural elders showed that 26.3% had limitations in abilities to perform daily activities (cooking, walking, cleaning, driving, etc.). Of these, many received ...
    • Geriatric Chronic Pain: Issues and Challenges from the Research Literature 

      Gold, Deborah T.; Roberto, Karen A. (Virginia Tech, 2001-11)
      Researchers interested in chronic pain in older adults come from multiple disciplines; thus existing information about geriatric pain is widely scattered. To establish a foundation from which to construct future research ...
    • Managing Shrub-Infested, Postmined Pasturelands With Goats and Cattle. Part II, Effects on Forage Biomass, Nutritive Values, and Animal Performance 

      Abaye, Azenegashe Ozzie; Webb, D. M.; Zipper, Carl E.; Luginbuhl, Jean-Marie; Teutsch, Christopher D. (Virginia Cooperative Extension, 2001-12-09)
      Reclamation of mined lands in the Appalachian coal region has resulted in the successful establishment and utilization of pasture for beef cattle production. Research goals were to determine the effects of mixed grazing ...
    • Why watershed-based water management makes sense 

      Francisco, H. (Makati City, Philippines: Philippine Institute for Development Studies, 2002)
      The alarming increase in the scarcity of water in various parts of the world has focused global attention on the need for a stronger and more appropriate water resource management solution. With about 166 million people ...
    • Multimodal Interaction in Music Using the Electromyogram and Relative Position Sensing 

      Tanaka, Atau; Knapp, R. Benjamin (NIME, 2002)
      This paper describes a technique of multimodal, multichannel control of electronic musical devices using two control methodologies, the Electromyogram (EMG) and relative position sensing. Requirements for the application ...
    • Goals and Conditions for a Sustainable World 

      Cairns, John Jr. (Ethics in Science and Environmental Politics, 2002)
      This book is a collection of John Cairns, Jr.'s papers, articles, and commentaries focusing primarily on goals and conditions needed to achieve the sustainable use of the planet.
    • Center for Gerontology Newsletter, Fall 2002 

      Unknown author (Virginia Tech, 2002)
      The Center for Gerontology newsletter, published twice annually, provides faculty and project updates, along with recognitions received by faculty and students in the area of age-related research and activities.
    • Older Families in Rural Communities: Personal and Social Influences on Service Use 

      Roberto, Karen A.; Blieszner, Rosemary (U. S. Department of Agriculture, 2002)
      The overall goal of this research project was to gather data from older adults and their family caregivers living in rural southwest Virginia to learn how health and community-based services programs can win greater ...
    • Spending Behaviors of Older Women Living in an Assisted Living Facility 

      McClung, Mary E. (Virginia Tech, 2002-03-02)
      A major demographic trend in the United States is the increasing older adult population. According to the US Census, the number of persons, ages sixty-five and older has increased approximately 4 million in 2000 and will ...
    • Effects of Active Exploration and Passive Observation on Spatial Learning in a CAVE 

      Melanson, Brian; Kelso, John; Bowman, Douglas A. (Department of Computer Science, Virginia Polytechnic Institute & State University, 2002-07-01), TR-02-15
      This experiment was a modification of Paul N. Wilson's 1999 study entitled "Active Exploration of a Virtual Environment Does Not Promote Orientation or Memory for Objects." It was hoped that changing the immersion level ...
    • A Survey of Usability Evaluation in Virtual Environments: Classification and Comparison of Methods 

      Bowman, Douglas A.; Gabbard, Joseph L.; Hix, Deborah (MIT Press, 2002-08-01)
      Virtual environments (VEs) are a relatively new type of human-computer interface in which users perceive and act in a three-dimensional world. The designers of such systems cannot rely solely on design guidelines for ...
    • Community Connections and Sense of Community among Older Adults 

      Brossoie, Nancy; Mancini, Jay A.; Roberto, Karen A.; Blieszner, Rosemary (Virginia Tech, 2003)
      The goal of this exploratory study is to identify what factors predict sense of community in older adult community members.
    • Communications in Electronic Textile Systems 

      Nakad, Z.; Jones, M.; Martin, T. (2003)
      Electronic textiles (e-textiles) are emerging as a novel method for constructing electronic systems in wearable and large area applications. This new type of processing system merges textile and electronic technologies. ...
    • Elderly & Disabled Waiver Services: What Do We Know About Providers? 

      Glass, Anne; Roberto, Karen A.; Teaster, Pamela B.; Brossoie, Nancy (Virginia Tech, 2003)
      Little is known about home and community based services (HCBS) and even less about the quality of those services. As part of a “Real Choice Systems Change” grant received by the Virginia Department of Medical Assistance ...
    • Eco-Ethics and Sustainability Ethics (part 1) 

      Cairns, John Jr. (Ethics in Science and Environmental Politics, 2003)
      This book is part one of a collection of John Cairns, Jr's papers and articles highlighting the importance of eco-ethics and sustainability ethics in protecting the biospheric life support system.