passages.id: split_5_test_2365_passage
passages.type: progene_text
passages.text: The following day , subjects were pretreated with one of four doses of haloperidol ( 0.0 , 0.075 , 0.15 , or 0.30 mg / kg i.p. ) 45 min prior to being tested in the runway for their motivation to approach either the CS + or CS - scents .