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

1970, ila.lasz,1972, . (1,) Ðu€ to +-he sêrvo n€chaÀis t ic
rha.racÈêristics cf th€ ÐcÀ leiarj_cur, it lends itself ðs
a usêful paradign via lràich oll€ can aFFly sensitive probe
methcdalogy for explcring behavionra.l- allBorsality in
brai.n-lesicred aniBals" In this co¡tèxt thê intêrre].a-
tj.onshils b€t{€ên tbe brain ce¡tersrr and tt¡e behaviou¡
can bê str¡dièð in an activ€ equifibríun system approach,
rather than as static coEr€LõtianaL entit.iês.
Sub jects:
g¡T¡IC}
Àdu1t nale aÌbiüo rãts of the Hol-tznan straic sÊr€
uscd i¡ thè €xpsrj_nent. Traj_niag sessions begêã $h€È the
aninals f,€achêd 60 ¿ays of age. In t,otal, 64 rats u€r€
us€d i¡ thê experieer]t ot chigh 50 survised throughcüt
thê ryhcle erperinenÈ cn t-h€ ÐCA par adign. Àssi gnn ent at
the subj€cts to Èï¡e yaricus tr€atnent grÕups rdèr€ ran-
donizerl vi-a th€ a:.d of a ¡ar:dcn tablê.
Ðe p[ j.va t ion Sch€d u1e:
ss sÈre $laced on 3 ilals of z3-hour sat*r d€priya-
tiôn sçhÊdule beËoce t¡e cconenc.êBer¡t of the €TperiüentaL
procedu,res. Thereaf,ter, all subjects rere nail¡tained û*
23 hour lcater aleprj-?ation th¡oughout thê e3lerieent. å
20 micutê vatering çeriod xas given f,o! each S,one hcur
after tïê tlaily sess.icl. All, ss rêre put on food ând
ratêE ad li¡ for 3 iays pricr tÐ braia surgery. w€t nesh
food ras Frcridêd fcx the fixst lo.st-rperativ€ reek fôr