HEADLINE Federal Government Backs Landmark $50 Million Clinical Trial to Determine if Brain Training Delays Dementia

The PACT study at the University of South Florida investigates if computerized brain training can reduce Alzheimer's risk for 7,600 older adults.

By: AXL Media

Published: Mar 26, 2026, 9:25 AM EDT

Source: Information for this report was sourced from University of South Florida

Addressing a Growing Public Health Crisis Through Cognitive Intervention

The rapid aging of the Baby Boomer generation has transformed cognitive decline into a primary scientific priority for the federal government. As the global population of those living with dementia exceeds 55 million, the Preventing Alzheimer's with Cognitive Training study represents a critical effort to find non pharmaceutical solutions. According to Jennifer O'Brien, the principal investigator at USF St. Petersburg, the sheer scale of the trial reflects the urgency of addressing a crisis that currently impacts more than 7 million Americans.

The Strategic Scale of the Largest Brain Training Research Effort

Since its inception in 2020, the research initiative has expanded from a single Florida campus to a network of 10 sites including prestigious institutions like Duke University and Clemson University. This geographic and demographic diversity is essential for ensuring that the findings are applicable to the broader American population. By enrolling 7,600 participants, the team has created the largest study of its kind, providing a robust dataset that smaller trials often lack when investigating the complexities of neurological health.

Evaluating the Efficacy of Long Term Computerized Exercises

The trial focuses on healthy adults aged 65 and older who show no current signs of impairment or memory loss. These participants commit to a rigorous three year schedule, which includes 45 hours of specific computerized training sessions conducted in their own homes. According to Jennifer Harris of USF’s Health Informatics Institute, the goal is to see if these digital interventions can produce measurable changes in brain health. The process concludes with a final in person assessment to determine if the training successfully slowed the typical progression of cognitive aging.