The purpose of this study is to measure the efficacy of an online cognitive training program against an active control condition in a large, randomized trial.
The present study aims to evaluate a targeted, progressively challenging, online cognitive training program comprised of 49 distinct exercises targeting a variety of cognitive capacities. The cognitive training program will be compared to a plausibly beneficial active control condition in which participants completed online crossword puzzles. The investigators hypothesize that the cognitive training will show greater transfer to a range of underlying cognitive abilities than the active control, as measured by a broad battery of neuropsychological assessments and participant-reported outcomes.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Masking
SINGLE
Enrollment
11,470
adaptive online cognitive training
timed online crossword puzzles
Lumos Labs, Inc.
San Francisco, California, United States
Aggregate Cognitive Performance
Aggregate cognitive performance, as measured by Grand Index, on seven neuropsychological assessments (Forward Memory Span, Reverse Memory Span, Grammatical Reasoning, Progressive Matrices, Go/No-Go, Arithmetic Reasoning, Two-Target Search)
Time frame: Baseline to 10 weeks
Participant-Reported Outcomes
9 questions related to everyday cognition and emotional status.
Time frame: Baseline to 10 weeks
Individual Neuropsychological Assessments composite
Separate analyses of changes on each of the seven neuropsychological assessments in the battery (Forward Memory Span, Reverse Memory Span, Grammatical Reasoning, Progressive Matrices, Go/No-Go, Arithmetic Reasoning, Two-Target Search).
Time frame: Baseline to 10 weeks
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