Richie’s group measured the attentional blink in vipassana meditators before and after that three-month retreat. After the retreat there was a dramatic reduction, 20 percent, in the attentional blink.9 The key neural shift was a drop in response to the first glimpse of a number (they were just noting its presence) so the mind remains calm enough to also notice the second number, even if very soon after the first one.
