Participate & Support

The Knoebel Institute of Healthy Aging is able to advance our work through the support of our community. Through donations and study participation you can be a part of our work. 

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Participate in our research

  • brain and covid virus cartoon

    Brain Health and COVID-19

    The Linseman Lab at the University of Denver is conducting a research study on the long-term impacts of COVID-19 on the brain, and whether these impacts might be worse in those with a history of traumatic brain injury. 

    Eligibility: You may be eligible if you are a male/female older than 18 who has:

    • no history of brain injury or COVID-19
    • a history of both brain injury and COVID-19
    • a history of either brain injury or COVID-19


    • A brief online screening questionnaire (~5 min, linked below))
    • An online consent session over Zoom (~30 min)
    • A (~2.5 hour) study visit at the University of Denver Knoebel Institute for Healthy Aging once per year for a period of 3-years.


    Interested? Contact the study coordinator, Allison Grossberg, via email or phone (; 719-231- 9703).

    Online Survey Questionnaire

  • Paul Freeman Financial Security Program Logo

    Dementia and Caregiver Stress: Silverbills

    Goal: to improve wellbeing for caregivers of individuals with dementia through Silverbills financial and legal management tool. The Paul Freeman Financial Security Program (PFFSP) at the University of Denver will assess the effectiveness of a client-facing application for caregivers and a supportive communication tool to reduce caregiver burden and physical, financial, and mental (emotional) distress.

    Participation: Participants are provided one year of free services from Silverbills and will need to complete two surveys.

    Currently recruiting. Email to learn more, or visit our website.

    Visit PFFSP website

  • older adult online dating profile

    Online Dating and Older Adults

    This study focuses on user perspective towards online dating. Participants must be 65 years of age or older and have used online dating applications in the past or are currently using them.

    Please take the online screening survey linked below if you are interested in participating. Participants who complete phase I and II of the study will be compensated with a $20 gift card. 

    Screening Survey

  • image of an eye

    Human Perception and Cognitive Dynamics

    If you are 18 years or older and you have normal or corrected-to-normal vision, you may qualify for this research study investigating the principles and mechanisms of human perception and cognitive processes. 

    Reach out to Principle Investigator, Shaoying Wang at for more information.

  • PFFSP Logo

    Older Adult and Caregiver Well-Being: Routinify

    The Paul Freeman Financial Security Program is recruiting for a study aimed at assessing Routinify's services on the wellbeing of older adults and their caregivers. 

    Participants must be:

    1. Older adults (50+ years old) and their caregiver.

    2. Residing in the USA.

    3. Proficient in English Language.

    Participation will include:

    1. Utilize Routiny’s services and devices.

    2. Complete 3 survey’s over a period of 6 months.

    3. Option to participate in additional focus group.

    4. Eligible to be entered in three drawings with gift card prizes of $50 - $100.


    If you are interested in participating, please send an e-mail or 303-871-6389.