Psicológica (2009), 30  Differences in Extinction of an Appetitive Instrumental Response in Female Inbred Roman High (RHAI) and Low (RLAI) Avoidance Rats                       ! "#   $ %   & #’ #  #( )* #    + a University of Jaén (Spain) b Autonomous University of Barcelona (Spain)  ,-( . ""( .(/ (/  & ,- ( &&" #(. & #  0/  . 1" ( 203  3 -"(145  "6(  ,("( &  &.  -   (/( 4 "6( -" &(  (/  ( 03  7( ( 2  "(5 (/  (/  ( 3 ( 0.1 ,("( -" .  03 ( (/  3  7( ( / (# 4(4  (( -&" #(. "6(  ,("(  "  ( & ( &&"  "( "(1(4 "(1 &,#(4  ( "(1(4 3(1 &&"  -/44  #/1 /1 # -(4 &    / # / &&"  ( "("4 &" 8 -(1 "-"(4 & "- .(/ "/ ((   ( # "( #4 1(  .  (" &"( 29( : !" ;<<=5 > & (/ #/1 ( 1 &&" (/( /1 # .4 ,-  ( & ( (/ #(4 ( 1 11 ( 7(/ (/ "(,( &&( ( & ( /1 # ("4 "( #  -&" 1"  &(/"? 1" #/1 / 9. # &  0/ + / "/ . --( #4 @ (  " 4 " 9-/ ( (   29;<<A<B;BCD935   )*   #’ 2!-( D4"/(4 : )" " EFG 9);<<B<BA<G  HEH I 90;<<=<J<=5 -" "" ( (/ (" / #  (   !-((  D" E1   ;B<K  9- L "(M