Search PubMed⌕ Search

Biomedical subjects

G Haag

Publications and source records attributed to G Haag.

At least 37 records · Page 2Linked to original sources
PubMed1987

A dynamic phase transition model for spatial agglomeration processes.

A nonlinear model of population migration is presented in order to provide a dynamic explanation for the formation of metropolitan areas. "In Section 2 the model is introduced in terms of the rate equations for the mean values of the regional population numbers with specifically chosen individual transition rates. Section 3 gives a survey of concepts and results for the convenience of the reader not interested in the details of the mathematical derivations. Section 4 derives the stationary solutions of the rate equations, that is, the equilibria of the system. Section 5 treats the time dependent solutions of the model equations focussing on the exact analytic solutions along so-called symmetry paths. Section 6 analyzes the dynamic stability of the symmetry path solutions and decides which stationary states are unstable and which are stable equilibrium states."

Demography↗
PubMed1985

[Psychosocial rehabilitation in advanced age].

The psychosocial rehabilitation of older persons is one of the main problems in health policy. About one quarter of the over 65-year-olds face psychic problems, without, to a large extent, receiving adequate treatment and rehabilitative care. Substantial deficits exist above all in the out-patient and non-residential service sectors. In in-patient care, existing methods for psychosocial intervention (such as psychoanalysis, behavioural, client-centered, family, Gestalt, milieu, or music and dance therapy, psychodrama, reality orientation training, or resensitization techniques) are hardly ever used. This absence of applied geronto-psychology is attributable to the shortcomings of available assessment methods, multiple methodical problems of intervention research, and--above all--to insufficient staff positions for psychosocial professions in the gerontological sector. Provision of further permanent posts for psychosocial workers; development of age-specific assessment methods; interdisciplinary and systematic interventional research; the development of ambulatory, community-based services as well as intensive support for existing self-help efforts are therefore called for.

Aged↗
PubMed1984

[Psychology in rehabilitation].

The article gives an overview of the importance and potentialities of psychology in the context of rehabilitation, outlining, among others, the psychologist's various tasks and functions relative to diagnosis, counselling, and therapy in medical, education, vocational, and psychosocial rehabilitation. Theories describing psychosocial factors involved in the development of, and in coping with, disability are discussed. Further, psychological intervention approaches are set out, focussing on their particular relevance to rehabilitation. Special attention is given to the psychologist's position within the interdisciplinary team, as well as to possibilities for, and requirements of, professional training and further education in rehabilitation psychology. As the various subjects could not be dealth with exhaustively, the article includes numerous references for further reading and links up with subsequent five contributions dealing with the main theme of the present issue of Die Rehabilitation.

Adolescent↗
PubMed1978

[Activating help--aims and limits (author's transl)].

The publication attempts to analyze current work directed at aiding and encouraging aged people in the Federal Republic of Germany, seen from the viewpoint of the various welfare associations, and hense from a practical angle. The considerable contrast between aims, available knowledge, and realization, is made clear by discussing individual problem fields while presenting a catalog of relevant and necessary measures. The paper also describes the requirements training and continuing education, as well as the need for research based on practice and yielding results which are relevant in the everyday life of the aged.

Aged↗
PubMed1974

Mechanism of alpha factor biosynthesis in Saccharomyces cerevisiae.

The biosynthesis of alpha factor, a mating-type-specific regulatory oligopeptide which is secreted by Saccharomyces cerevisiae cells of alpha mating type, was studied. In batch cultures only small amounts of the peptide were synthesized during the exponential growth phase. During the stationary phase, alpha factor was produced at a constant rate and accumulated in the culture medium. Inhibition of translation in wild-type cells by cycloheximide, or in mutant strains under conditions which blocked protein or ribonucleic acid (RNA) synthesis completely inhibited the production of alpha factor. These results indicate that the factor is produced by ribosomal translation of a specific messenger RNA and not by an extraribosomal mechanism of peptide synthesis.

Carbon Radioisotopes↗