Solitaire as Mental Exercise: What the Evidence Says

Solitaire clearly uses attention, working memory, planning, and visual search. The harder question is whether playing it produces lasting cognitive improvement. The evidence here is mixed, and the safest claims are narrower than many “brain training” articles suggest.

What solitaire definitely asks your brain to do

While you play, you track visible cards, remember buried cards, plan sequences, and update decisions after each move. That makes solitaire a real exercise in attention control, working memory, and planning during the act of play itself.

What broader research suggests

The National Institute on Aging describes cognitively stimulating activities as one of several areas researchers study when looking at healthy cognitive aging, but it does not present any single game as a proven way to prevent decline or dementia.¹ Reviews of leisure-activity interventions in older adults also report benefits in some cognitive domains, though these programs include a wide mix of activities such as mahjong, poker, social games, and other mentally engaging tasks, rather than solitaire alone.²³

What this means for solitaire specifically

That broader evidence makes it reasonable to describe solitaire as a mentally stimulating hobby. It does not prove that solitaire alone boosts IQ, prevents dementia, or delivers guaranteed gains for children, adults, and older adults on a fixed schedule.¹²³ Claims that it works like a prescription-grade brain training program go beyond current evidence.

A practical way to think about the game

Solitaire is best understood as one mentally engaging pastime among many. If you enjoy it, that matters: people are more likely to keep doing cognitively stimulating activities they actually like than abstract drills they quickly abandon. Enjoyment does not prove a medical effect, but it does make a hobby more sustainable.

The bigger cognitive-health picture

For long-term brain health, major health agencies still point to the bigger picture: physical activity, sleep, blood pressure control, social connection, and ongoing cognitive engagement all matter.¹ Solitaire can fit inside that broader mix, but it should not be sold as a stand-alone cure or guarantee.

Sources and Notes

1. National Institute on Aging: Cognitive Health and Older Adults
2. Yates LA, et al. Leisure activities and cognition in older adults: a systematic review and meta-analysis of intervention studies. Frontiers in Psychology (PubMed)
3. Leisure activity interventions and cognitive function among older adults: systematic review and meta-analysis. Archives of Gerontology and Geriatrics (PubMed)