Young versus old

BBC:

A new study shows it’s more that we have bad moments than bad days. There’s some good news if you’re older. Although people, on average, do worse on memory tests as they age, it turns out that they perform more consistently.

“We were able to show that good and bad days of performance actually exist, but that the variability of those days is not as large as one would expect,” says Florian Schmiedek of the Max Planck Institute for Human Development in Berlin.

In all nine cognitive tasks assessed, the older group actually showed less performance variability from day to day than the younger group. The older adults’ cognitive performance was thus more consistent across days, and this picture remained unaltered when differences in average performance favoring the young were taken into account.

Listen to the whole story: BBC

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