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

ìu$ber of rei¡forc€d 1€ver FÍ€sses. Th1s j.nprovêd êtfi-
ciency in th€ b€haviour on thÈ ÐCÀ correspÒDdêd t.o aü
inc¡eased r€sponsÊ latêacj.es during the same tj-ú€ period
in flgure 36. Tlis ieprcv€n€¡t was nÐt accoEpanieil by
the d€velopr€ t of a notoEic chaín post-opÈrati"ely.
{2} fj.gure 36 is the &êa! x€s}onse latencies of tb€
D-I C group before a&d ðftË¡ the sham l€sion" The
perforsancê of th€ systen shosed steaaly ieprcyêÄent,as
drivel. ib tb€ I/O contrc.l. Th€ process continueil post-
surgically, €xhibiting a b€havicural systeû vhose rel-a-
tivê e.rror aûd phas4 r€tccity t¡r€re kept $it.àin a ¡arrôu
rangë. sith th€ xemovat of the flo control,the rêspoñse
latenci.es rêt{rr€d to a fevel c*nparable tÕ that of the
pre-opêrati ïe, Fre-l/o contrcl bas€1ine.
{3} P{0) -P{T} : the alitf€r€Êce plot of the D-I c
group is p¡êsent€d in figure 3?, Th€ graph shorêd that
the !ga'inr cf the f unctiÕt¡irg systen $as the greatèst
during the tèn ccnsecutive tiBe pcints uhich corresFondèð
to th€ ten fost-surgical da¡s rhen Èhe Ss sere on tile T/O
co ntro 1 .
{4) P !l ot:
Ðlen th€ resporls€ cf the slster j-s cast j.nto tiee
domain {figùrss 38,39 E 40), the pts gave the ratio of
behavioüral adjrrstn+rt tÕ that ¿enanded by the cbange in
the ¡einf orce.nent contingenci€s. In i.his casê,the prs
'þ'e re ccnstricted tc a narron rangè by the snperinposed
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