sum reference reference posted request shaywitz shaywitz pugh et al sex differences functional organization brain language nature 373 feb l6 l995 607 9 several people answered request complete information coming laura l koenig koenig lenny haskins yale edu alice faber faber haskins yale edu included email address one authors ken pugh pugh haskins yale edu wayne cowart notes ken pugh cognitive psychologist actually designed experiment two people mentioned results taken caution one said editorial doubtful aspects findings issue nature many thanx answered becky moreton