This issue of the Archives includes two articles with unusually long authorship lists. The departure from normal editorial practice reflects our respect for and assessment of the complexities of each of these contributions. The article by Pickar et al (p 313) reports a unique transnational collégial venture that deserves note as an event in its own right, as well as in its substantive findings. The article by Buchsbaum et al (p 251) reports on a complex and new technology that should, in coming years, radically enhance our understanding of the psychobiology of mental function and disorders.
"Policies" of journals on multiple authorship derive in part from concerns about the extensive citational burdens on indexing systems. There are also other considerations. Thus, in our editorial and participatory experience with appropriately managed extensive longitudinal studies and intricate collaborative or committee-sponsored and supervised research, the signature of editors, rapporteurs, or principal investigators or