AI Insight
The article discusses research by philosopher Felipe De Brigard on how the brain's memory systems are used not only to recall past events but also to imagine alternative versions of what could have happened. De Brigard explains that the same neural mechanisms involved in remembering are recruited when we engage in counterfactual thinking—mentally reconstructing the past with different outcomes.
Why it matters
Understanding how memory and imagination interact has implications for therapeutic interventions, particularly for conditions involving rumination or trauma where people repeatedly reimagine past events. This research also advances our understanding of how humans plan for the future by simulating different scenarios based on past experiences.
Understand the Science
Philosopher and 2026 MacArthur “genius grant” recipient Felipe De Brigard explains how our brains use imagination to reconstruct the past
Source: How the brain uses memory to imagine what might have been