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

considë¡aticì. .fôr a rdor€ detail descEiption of the
tranõf,crnatioÐ vìa the rej.ght€d Lêêst square pc].ynonial,
rêfeE to table 2. Cf the pr€-opèrative sessions, thè DCå
latencíes staþiliz€d around 5 s€cons. Ðuring thê second
phas€, r,rh€n th€ ss H€r€ put cn a $Ðre stringett deRaüil via
the î/C cc¡trcl-rth€ Bean cf th€ lat€nci€s sèr€ rdrivËnrt
to a l€vêI clos€r tÐ th€ nê¡r de[a¡d. Thêre Has ä period
of distrupted pèEforsaoc€ c¡ the ÐCA on thê first
post-op€Eative t€sting ååy. Subseguently, the behasiour-
al syst.ens sitb the fi çD lesions ,5ettlêd arouÐd a ne¡¡
Level of p€rfcEûanc€ tô th€ ÐCÀ co¡ti¡g€ncies. Subs€-
Euent. alt€ratiors in the crntr¿-l de¡nand vas insuffj_cient
to produce adaptative clanges in the outpr¡t levè1 of
t.hes€ d€f €cti !ê systeûs. Tàis r¡as shÕu! in tllê f ai-l ure
of th€ mean r€spÐlìse lat€ûcies on the OCà she8 the I/C
contrcl block sas r€novêd. fcE tbê fårral S testing åays.
As shc{¡ cll the graph, there r¡as no overlap in the nean
response latêrlcÍes bêteeen th€ pre- an¿ post-operatíve
nea¡ lesporse LateÐci€s. The responsê :.atêtcies renained
at the saüe Le ee]- i{hen the IIO ïas in eff ect.
{3} relativc er¡ôr: }as€ð on figure ó,tbe perfcr-
ßa iìce cf the l¡ CÐ xats sho$ed a transient oyer-sboct of
ths reguireil ¿èlay on the f j_rst post-opêrativê t.estiag
dayA negative P ya-j.ue sugg€sàs the €xistence of ã systen
$hi-ch lras se¡sitive ans underdanped.
{4) Þ-{o? - ãttl
This çLot graphical]y displâyed Èhê alay-to- day
changes iIl tl€ nagnitude of th€ p. Thê ]'ast ¿ata poj.nt