Erratum: Random presentation enables subjects to adapt to two opposing forces on the hand

Nat. Neurosci. 7, 111–112 (2004) Due to an editing error, “day 1” was printed instead of “day 2” in the first paragraph of this Brief Communication (p. 111, bottom of left-hand column). The corrected paragraph appears below. Over two consecutive days, ten subjects learned reaching movements to eighttargets located radially from a central start position.