The "Nessa'" system : can images from age-related 'reminiscence bumps' help us separate grown-ups from kids?

Renaud, Karen (2023) The "Nessa'" system : can images from age-related 'reminiscence bumps' help us separate grown-ups from kids? In: Dewald Roode Workshop 2023, 2023-06-22 - 2023-06-23.

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Abstract

As children increasingly operate online as independent agents, online service providers have to find ways to prevent them from going into adult-only spaces. Doing this in a privacy-preserving way is non-trivial, because most service providers require proof of identity, in order to verify a users age. We suggest benefiting from a reliable 'reminiscence bump' which occurs at a predictable time in an adult's life. Much of what occurs in this bump is retained for life, and this includes a memory of famous personages. We plan to display a number of images from the person's stated-age reminiscence bump to test recognition ability. Their performance in this task should signal the adulthood of the user. Our studies found that participants had an accuracy rate of 78\% when asked to identify famous figures from within their reminiscence bump, compared to an average rate of 48\% when presented with famous figures from periods outside their 'reminiscence bump'. We suggest ways in which this could be used as part of a privacy preserving online age assurance solution called "Nessa'".

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