BACKGROUND A previous survey has highlighted the fact that most individuals in chemical pathology identifiable from specialist society membership failed to publish material in Medline cited journals during a five year period. It could be considered that published research that is not cited in other work is not useful unless it has achieved visibility, as demonstrated by citation in another rese...

The search for neural correlates of consciousness (or NCCs) is arguably the cornerstone in the recent resurgence of the science of consciousness. The search poses many difficult empirical problems, but it seems to be tractable in principle, and some ingenious studies in recent years have led to considerable progress. A number of proposals have been put forward concerning the nature and location...

Low doses of opiate drugs are known to produce behavioral excitation in many species (Kreuger, Eddy & Sumwalt; 1941). In rodents this activation response generally includes increased rearing and ambulation (Fog, 1970; Norton, 1977). We wish to call attention to a novel interpretation of previous findings, i.e. that the activation due to opiates reflects exploration, and that this might imply th...