This essay considers the digital avatar not simply as a name for a virtual double of the player of videogames, but as bound to or manifesting psychological drive, a kind of homunculus of the drive. Drawing on a wide range of theories that have informed technical constructions of the subject, it applies in particular an important moment in Lacan's description of the drive to the concept of the g...

The development of 2 laboratory technics for more accurate quantification of hematopoietic activity, (a) radioactive iron (SgFe) uptake and (b) DNA content of marrow cells, are described, utilizing a regenerating marrow system in rabbits after local irradiation of 1 femur while shielding the contralateral leg. The sensitivity and reproducibility of the 2 methods were determined; there was good ...