A new study reveals that the brain’s ability to process visual information may decline more sharply with age than previously understood, challenging long-held assumptions about cognitive aging. Researchers found that older adults often struggle to distinguish between similar-looking objects or faces, even when their overall memory and reasoning skills appear intact. The findings suggest that targeted interventions—such as specific training exercises—could help mitigate these declines before they affect daily functioning. The work highlights a growing need to rethink how aging is measured beyond traditional cognitive tests.