The 90+ Study - Irvine, CA


  • Location:
  • Age: 90+
  • Duration: Study participants age 90 and older are seen every 6 months till their death.
  • Visits: No upper limit on the number of visits.
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Eligibility Requirements

People 90 years or older who live in Southern California and are willing to undergo study procedures.

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Please provide your contact information and a member of the study team will contact you to follow up.
First name is required.
Last name is required.
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People 90 years or older who live in Southern California and are willing to undergo study procedures.

Thank you for your interest in this study. You're bringing us one step closer to our goal of ending Alzheimer's

Your contact information will be shared with the study team. If you have any questions, please contact the study team:
Medical University of South Carolina (MUSC)

About the Study:

The 90+ Study is a research study to examine successful aging and dementia in those aged 90 years and beyond. 

It has been featured on CBS-60 minutes, the BBC, Public Television, and many newspapers including the LA Times, OC Register and NYTimes (see


With your participation in The 90+ Study, we hope to learn ways to improve the quality of life for persons as they grow older. Your participation may help others reach 90 years of age and beyond in better health.

What is Involved:

Examinations and clinical assessments every 6 months: 

  • One hour of testing your memory and thinking skills
  • One hour neurological and physical exam
  • Review of medical and family histories and medications
  • Three brain scans: one MRI, one amyloid PET, one tau PET
  • Consider brain donation upon death

Clinical exams take place in our research offices at UCI or Laguna Woods, or in your own home. 

Brain imaging is done in centers at Irvine and Newport Beach, CA. Transportation is provided if necessary.

There is no cost to you. The 90+ Study is funded by the National Institutes of Health and led by researchers at the University of California, Irvine.

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