?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=A+Theory+of+Reaction+Time+Distributions&rft.creator=Moscoso+del+Prado+Martin%2C+Dr+Fermin&rft.subject=Complexity+Theory&rft.subject=Neural+Modelling&rft.subject=Cognitive+Psychology&rft.description=We+develop+a+general+theory+of+reaction+time+(RT)+distributions+in+psychological+experiments%2C+deriving+from+the+distribution+of+the+quotient+of+two+normal+random+variables%2C+that+of+the+task+difficulty+(top-down+information)%2C+and+that+of+the+external+evidence+that+becomes+available+to+solve+it+(bottom-up+information).+The+theory+provides+a+unied+account+of+known+changes+in+the+shape+of+the+distributions+depending+on+properties+of+the+task+and+of+the+participants%2C+and+it+predicts+additional+changes+that+should+be+observed.+A+number+of+known+properties+of+RT+distributions+are+homogeneously+accounted%0D%0Afor+by+variations+in+the+value+of+two+easily+interpretable+parameters%3A+the+coefficients+of+variation+of+the+two+normal+variables.+The+predictions+of+the+theory+are+compared+with+those+of+multiple+families+of+distributions+that+have+been+proposed+to+account+for+RTs%2C+indicating+our+theory+provides+a+significantly+better+account+of+experimental+data.+For+this+purpose%2C+we+provide+comparisons+with+four+large+datasets+across+tasks+and+modalitities.+Finally%2C%0D%0Awe+show+how+the+theory+links+to+neurobiological+models+of+response+latencies.&rft.date=2009-01-20&rft.type=Other&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6326%2F1%2Fmoscoso-bbs.pdf&rft.identifier=++Moscoso+del+Prado+Martin%2C+Dr+Fermin++(2009)+A+Theory+of+Reaction+Time+Distributions.+++++(Unpublished)++&rft.relation=http%3A%2F%2Fcogprints.org%2F6326%2F