But it's not all bad, procrastinators are adaptable; distractable twins tended to be better at shifting mind-sets, moving more comfortably from one type of mental test to another.
That shifting mind-set — the idea that life and work must be blended rather than separated — is increasingly common, according to other doctors, scholars who study work habits and the generally well-compensated workers of Silicon Valley like Andrew Sinkov, 31, a vice president of marketing at Evernote, a digital note-taking service.
Hearts people were entitled to be scornful of Celtic's shifting mind-set - from "I don't think a lot about it" when a bad decision goes in their favour to "let's not rule out a conspiracy" when a bad decision goes against them.
"I totally felt my body settle... and then I felt the guy next to me calming!" In under 2 minutes, a complete newbie had discovered the innate capacity to shift mind and body.
Repeat exposure of household names whose positions are well known will do little to shift minds.
It did take a leap for the musicians, and the audience, to shift mind-sets for the astonishingly late Beethoven work: a 40-minute mystical, moody quartet structured in seven essentially continuous movements.
This ability to shift mind-sets comes easily to him, at least in part because he believes it's no big deal.
Devotees of deep mystical practices, of yoga, philosophical study, the arts or meditation will frequently stumble into epiphany, into new awareness; perspectives shift, minds open, hearts explode wide open all the time, never to shrivel again.
Alber Elbaz of Lanvin, whose women-friendly clothes have brought him an eager following, is shifting his mind from the simplicity of the dress to the power of pants.
Others in its history may have left more of a lasting mark on events, shifting the minds of statesmen, or promoting great national and international causes.
