Associate Professor Gilles Gignac
Psychologist at the University of Western Australia who led the study finding that many psychological dimensions peak around ages 55–60 and who explains the research and its implications.
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Oct 19, 2025 • 19min
You reach your mental peak at around 60 years of age. Here's why
Associate Professor Gilles Gignac, a psychologist at the University of Western Australia, reveals that mental agility peaks between 55 and 60, highlighting how life experience enhances decision-making. He discusses the surprising resilience older adults show against sunk cost bias, making them adept at cutting losses. Dr. Stephanie Ward, a geriatrician known for her commentary on aging, emphasizes that happiness tends to peak later in life and shares insights on leveraging cognitive strengths. Together, they challenge ageism and celebrate the invaluable contributions of older generations.
