Table 1.

Averages (SDs) working memory scores.

	present study	Wu & Coulson [21]a
movement span: total	14.1 (4.6)	23.8 (5.7)
movement span: span	1.8 (0.7)	3 (1)
forward Corsi: total	9.2 (1.8)	20.4 (4.6)
forward Corsi: span	5.6 (0.9)	7 (1)
backward Corsi: total	7.3 (2.0)	n.a.
backward Corsi: span	4.7 (1.1)	n.a.
forward digit span	5.6 (1.2)	n.a.

^aData are from Wu & Coulson [21] p. 7, table 1.