Notes on Captive Sea Otters

Notes on the behaviour of three yearlings kept two and a half months in 1954 in a dry environment at Amchitka in the Aleutians. Their sleeping, preening, reaction to man and feeding habits, drinking, locomotion, handling, food and sociability voice, etc., are discussed in detail. Their anatomy and environment in captivity are also discussed: water for swimming was found desirable, if not necessary. Results of physiological investigations are reported by D.E. Stullken and C.M. Kirkpatrick, q.v

Population based models of cortical drug response: insights from anaesthesia

A great explanatory gap lies between the molecular pharmacology of psychoactive agents and the neurophysiological changes they induce, as recorded by neuroimaging modalities. Causally relating the cellular actions of psychoactive compounds to their influence on population activity is experimentally challenging. Recent developments in the dynamical modelling of neural tissue have attempted to span this explanatory gap between microscopic targets and their macroscopic neurophysiological effects via a range of biologically plausible dynamical models of cortical tissue. Such theoretical models allow exploration of neural dynamics, in particular their modification by drug action. The ability to theoretically bridge scales is due to a biologically plausible averaging of cortical tissue properties. In the resulting macroscopic neural field, individual neurons need not be explicitly represented (as in neural networks). The following paper aims to provide a non-technical introduction to the mean field population modelling of drug action and its recent successes in modelling anaesthesia

Hydrology of Prairie Dog Creek Valley, Norton Dam to state line, north-central Kansas /

Three maps on 3 folded leaves in pocket.Bibliography: p. 22-23.Mode of access: Internet

Reconnaissance of water quality in the High Plains Aquifer beneath agricultural lands, south-cental Kansas /

Shipping list no.: 87-635-P.Bibliography: p. 21-23.Mode of access: Internet

Geohydrology of the high plains aquifer, western Kansas /

One folded plate (col.) in pocket.Shipping list no.: 86-350-P.Bibliography: p. 70-79.Mode of access: Internet