メール脳？
http://www.guardian.co.uk/online/news/0,12597,1465973,00.htmlより（via Email Worse Than Marijuana For Intelligence? - Slashdot, via id::margherita:20050425:p1）
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Doziness, lethargy and an increasing inability to focus reached "startling" levels in the trials by 1,100 people, who also demonstrated that emails in particular have an addictive, drug-like grip.Respondents' minds were all over the place as they faced new questions and challenges every time an email dropped into their inbox. Productivity at work was damaged and the effect on staff who could not resist trying to juggle new messages with existing work was the equivalent, over a day, to the loss of a night's sleep.
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The average IQ loss was measured at 10 points, more than double the four point mean fall found in studies of cannabis users.The most damage was done, according to the survey, by the almost complete lack of discipline in handling emails. Dr Wilson and his colleagues found a compulsion to reply to each new message, leading to constant changes of direction which inevitably tired and slowed down the brain.
((((；゜Д゜))))ガクガクブルブル
（追記）参考：id:dice-x:20050425#p1、id:dice-x:20050425#p2。てかゲーム脳をもじってメール脳だなどと悦に入っていたが、実は以前から使われてる言葉だったのね。キーワードにまでなってる。orz
（追記）2005-04-26：ワラタ
