<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">The following paper describes a model that deals with the flanker effect. I think it can be extended a bit to handle IOR too. Best wishes.<DIV><BR class="khtml-block-placeholder"></DIV><DIV style="text-indent: -36px;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 36px; "><FONT class="Apple-style-span" face="Arial" size="3"><SPAN class="Apple-style-span" style="font-size: 12px;">Wang, H., Fan, J., & Johnson, T. R. (2004). A symbolic model of human attentional networks. Cognitive Systems Research, 5, 119-134.</SPAN></FONT></DIV><DIV style="text-indent: -36px;"><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Hongbin Wang<DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"><DIV><DIV><DIV>On Jun 14, 2006, at 4:30 PM, <<A href="mailto:A.Banks@surrey.ac.uk">A.Banks@surrey.ac.uk</A>> wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><O:SMARTTAGTYPE namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="City"> <O:SMARTTAGTYPE namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place"> <DIV class="Section1"><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial">Hello,<O:P></O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial"><O:P> </O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial">I was wondering if anybody knew of ACT-R models of inhibition of return or the flanker effect?<O:P></O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial"><O:P> </O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial">Many thanks,<O:P></O:P></SPAN></FONT></P><P class="MsoNormal"><ST1:CITY w:st="on"><ST1:PLACE w:st="on"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt;font-family:Arial">Adrian</SPAN></FONT></ST1:PLACE></ST1:CITY><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt;font-family:Arial"><O:P></O:P></SPAN></FONT></P> </DIV> </O:SMARTTAGTYPE></O:SMARTTAGTYPE><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">ACT-R-users mailing list</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="mailto:ACT-R-users@act-r.psy.cmu.edu">ACT-R-users@act-r.psy.cmu.edu</A></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="http://act-r.psy.cmu.edu/mailman/listinfo/act-r-users">http://act-r.psy.cmu.edu/mailman/listinfo/act-r-users</A></DIV> </BLOCKQUOTE></DIV><BR></DIV></DIV></DIV></BODY></HTML>