Table 2.

The subthreshold doses of LSP4-2022 and VU152100 administered in each test

Test	LSP4-2022	VU152100
MK-801-induced hyperactivity	0.1 mg/kg	5 mg/kg
DOI-induced head twitches	0.5 mg/kg	1 mg/kg
Modified forced swim test	0.1 mg/kg	0.1 mg/kg
Social interaction	0.1 and 0.5 mg/kg	2 and 5 mg/kg
Novel object recognition	1 mg/kg	0.25 mg/kg
Amphetamine-induced hyperactivity and PET studies (rats)	0.1 mg/kg	5 mg/kg