- Conditions
- Visual Processing Speed
- Interventions
- SOPT basic training, Crossword Puzzles, SOPT booster training
- Behavioral
- Lead sponsor
- Fredric D Wolinsky
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 681 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
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