TABLE 2.

Mean handgrip force ratio’s for all conditions, calculated by the ratio between half strength and maximum strength.

	M(SD)
Placebo, baseline	0.63 (0.11)
AVP, baseline	0.58 (0.09)
Placebo, own infant, control sound	0.63 (0.12)
AVP, own infant, control sound	0.63 (0.14)
Placebo, own infant, cry sound	0.66 (0.13)
AVP, own infant, cry sound	0.64 (0.13)
Placebo, unknown infant, control sound	0.62 (0.15)
AVP, unknown infant, control sound	0.66 (0.13)
Placebo, unknown infant, cry sound	0.62 (0.13)
AVP, unknown infant, cry sound	0.66 (0.14)