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

ChaFter 1
nêvies of l,i t€ ra tuae
?raditj.o¡al1y, th€ r€laticnship between ilrain struc-
tures aDd behaviour reli€s naj_n.ly on technigues ¡{hich
assunê that behavioural slst.ems a¡Ð discrète, static
entiLies. Inter actions bet.!¡e€rì th€ central- nervous
systea { CNS } ând þ€haviour at€ dÉscribed i¡r côrrela-
tional terns.
åltêlnatilrel y, tbe apFlicatior of control theory anil
techni{ues a11css bÈhavioural sysl€ms to ¡e studiëd ås
servomechanism-li.kê systens rhich are i¡ ths continnual
proc€ss Õf €stablisbing active stabj"lit.y aad eguilibriun.
¡lhi.l.e corr€1atiana]. data yiêLd ab!:ndant infornation
on the nodes of c$S functio¡ and bÊhavior.r , thêy ala nct
providê aal€qüate itrfornatiaã yhere l¡ehaviou!s are essen-
ti-a3-1y viewed as on-goiog, actile fxocessês. the study
of tin.inq fûncticn,ie. tÊnËaral. discriminatioÌ¡ and delay
co¡ditic$ing {eg. Sk'inner, 1938, 1946; tiilso¡! and fiel_1êf,,
1953; tatie , lieiss, clark a!d R€ynoLds, .1965;
Rey¿olals . 1966) is one of tà€ topÍcs in point.
EêvieÍ af r€cent lit€ratur€ suggests thê existence
of tuo major hyFot.h€ses cc .êrning the nê uropli ysiologi cal
substrates u¡de¡:lying delay rêsFonse a¡d tenpora]- aliscri-
n:.natian. CEe hypothesis states that rtiningr is â
fünction of the cortical :-nhibitory processes { hypothe-
sis I ), nhile thê other pastulates that rt.j-níngr is a
fllnction of +-]e cerebël1ar pcst{rrat necha¡isns { hyFot}re-
sis rI ).