The EffĘcts of In Partial 3ėĄLfil1n€nt of Tle B€qüireûents for Eh ...

PSOCTDIJS!
A. Delayed Conditj_on€d ÄFFxcach (DCå) procêdure:
il) ¡Clt training sêssicns:
Trarinj.ng cn tlìe Dc,t l,as dn¡e in the f 01lÐïi-ãg sr-ag€s
for a total cf 6 to I r€€ks {f i.güre Z ):
{a) Sats uith 23-hour uat€r dËprivation rre,ê txaj.ned
to pross a l-ere¡ for sater r€i¡fÐEcenênt. Each di ppÐr of
nater carìtain€ð approxi$at€l¡ 2 to 3 alrops" À.ll Ss fle¡ê
put on C¡iF fox 3 daJs, Soüe Ss s€re Lrained by t_he
nìetàod cf srccessi ve approxination.
(b) sÐ-sa traíning: À Cs of 15 sec. duratiôn, 8q
db.r10 KÍlz turè to¡ìe $as introducerl .Ðater reinforcenent
ryas cÐrtingent cn f,ever presses duri¡tg CS alurâtion, Ss
vere put oã this schedulê fcr 5 days. Each ilaj. !.y sessic¡
ha al ¿tC trials. À B sec trj"al abort periôd flas irtstitutèal
orì the 3rd day to reduce iDtêrtrj-a1 lever presses. Any
iûdesc¡ieinêtê 1€v€r pressês during this period postponed
the aeat secåeiluled trial.
{€} A 5 sec d€lay a¡d 1 sÊc pena.lty period *êre
institrt€d. 5 daily s€ssicns sere xun uãder this
procedure.
{d) A lunpêd ir¡crÈs€¡t oi dêIay a!a1 penalty period
at a 4 sec st€p fashio¡ sas iúIlênÈnteal . ss lrere trainÊd
on this sch€ðü]e f cr apprcxinate.ly q t.o b seeks.
(e) Superinposition of th€ integral/optira]. .!nput
cas i¡ êff€ct. Ss T{erê put o! t}ê Faraalig$ for l0 days.
nach daill sêssion consj_st€d of t¡0 daily trial-s. üpon
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