Table 2.

Published studies employing oral movement tasks used in the meta-analysis

Publication	Type of oral movement	# of subjects
Bookheimer et al., 2000	Tongue movement	8
Lotze et al., 2000	Lip pursing	7
Rotte et al., 2002	Lip pursing and tongue movement	9
Fesl et al., 2003	Tongue movement	11
Gerardin et al., 2003	Lip extension	7
Hesselmann et al., 2004	Lip pursing and tongue movement	6
Leslie et al., 2004	Smiling	15
Martin et al., 2004	Tongue movement	14
Watanabe et al., 2004	Tongue movement	24
Hennenlotter et al., 2005	Smiling	12
Dapretto et al., 2006	Facial imitation	10
Brown et al., 2008	Lip pucker and tongue movement	16

Activations from 139 subjects contributed to the localization of oral movement.