Associations between physical exercise type, fluid intelligence, executive function, and processing speed in the oldest-old (85 +).

Background: While much is known about the effects of physical exercise in adult humans, literature on the oldest-old (≥ 85 years old) is sparse. The present study explored the relationship between self-reported engagement in physical exercise and cognition in the oldest-old.

Methods: The sample included 184 cognitively healthy participants (98 females, MoCA mean score = 24.