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Biomedical subjects

G Strube

Publications and source records attributed to G Strube.

At least 19 recordsLinked to original sources

Asthma education.

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Administration, Topical↗

The role of language familiarity in voice identification.

Four experiments examined the effects of language characteristics on voice identification. In Experiment 1, monolingual English listeners identified bilinguals' voices much better when they spoke English than when they spoke German. The opposite outcome was found in Experiment 2, in which the listeners were monolingual in German. In Experiment 3, monolingual English listeners also showed better voice identification when bilinguals spoke a familiar language (English) than when they spoke an unfamiliar one (Spanish). However, English-Spanish bilinguals hearing the same voices showed a different pattern, with the English-Spanish difference being statistically eliminated. Finally, Experiment 4 demonstrated that, for English-dominant listeners, voice recognition deteriorates systematically as the passage being spoken is made less similar to English by rearranging words, rearranging syllables, and reversing normal text. Taken together, the four experiments confirm that language familiarity plays an important role in voice identification.

Adult↗

Are there limits to binaural additivity of loudness?

In recent years there has been notable interest in additive models of sensory integration. Binaural additivity has emerged as a main hypothesis in the loudness-scaling literature and has recently been asserted by authors using an axiomatic approach to psychophysics. Restrictions of the range of stimuli used in the majority of former experiments, and inherent weaknesses of the axiomatic study by Levelt, Riemersma, and Bunt (1972) are discussed as providing reasons for the present investigation. A limited binaural additivity (LBA) model is proposed that assumes contralateral binaural inhibition for interaural intensity differences that exceed a critical level. Experimental data are reported for 12 subjects in a loudness-matching task designed to test the axioms of cancellation and of commutativity, both necessary to the existence of strict binaural additivity. In a 2 X 2 design, frequencies of 200 Hz and 2 kHz were used, and mean intensity levels were 20 dB apart. Additivity was found violated in 33 out of 48 possible tests. The LBA model is shown to predict the systematic nonadditivity in the loudness judgments and to conform to results from other studies.

Female↗

[The natural course of atrial septal defects].

61 patients at the age of 18 to 70 years with untreated atrial septum defect were examined 7.5 to 21 (on the average 10.5) years after the first recognition. Subjective symptomatology, clinical picture, size of the heart, mean pressure of the pulmonary artery and shunt volume at the beginning and at the end of the period of observation were analysed. The results reveal an above all favourable prognosis of the congenital malformation. In a course without complications an age can be reached adequate to the average life-expectance. After the 40th year of age, however, in 75% of the patients complaints appeared or their number increased. With growing age the size of the heart and the frequency of disturbances of the cardiac rhythm increased. In the small left-to right-shunt (less than 30% of the pulmonary flow) in the majority of the cases (85%) the prognosis proved to be good. Even in shunt volumes of more than 60% in half of the patients no essential deterioration developed in the period of observation. No clear relations were found between the mean pressure of the pulmonary artery and the clinical degree of severity. The indication to the operative correction of the atrial septum defect diagnosed only at the adult age demands a critical individual judgement, in which case apart from the haemodynamic parameters anamnesis and clinical findings within a cardiological observation of the course are of particular importance.

Adolescent↗

[Average time prognosis of hypertension in qualitatively different treatment protocols].

In 1969 within pilot studies in an Erfurt district altogether 254 patients with definitive hypertension as well as 208 patients with borderline hypertension of the male age groups from 1914 to 1923 were recognized. 135 test persons with definitive hypertension (RR--160/95 Torr) were treated antihypertensively within a clinical and ambulatory preventive programme for 8 years and compared with a control group of the same age (119 males of 45-54 years) concerning the presence of possible complications of hypertension, which was treated with unsatisfactory results. By a strict, permanently normotensive decrease of blood pressure--as pharmacotherapy above all the beta-receptor blocker propranolol alone or in the approved combination therapy with dihydralazine and/or hydrochlorothiazide was used--in connection with suitable measures for the intervention of other individual factors with effect on heart and circulation the risk of complications in definitive hypertension could be reduced. Taking into consideration the own long-term observations the necessity of a possibly early beginning medicamentous, antihypertensive permanent therapy of hypertension is without doubt, in borderline hypertension, however, it still remains actual subject of the discussion.

Aged↗

[The correlation of blood pressure, cholesterol and triglyceride concentration with the administration of hormonal contraceptives in women from 2 Erfurt large-scale plants].

Within the framework of medical check-ups of heart and circulatory system 1,296 women at the age from 15 to 49 years were examined in two Erfurt large plants. Women with hormonal contraception in the age groups 30-34, 35-39 and 45-49 showed statistically significantly higher mean values of the systolic blood pressure than women without oral contraception. In the same way the difference of the cholesterol mean value of 15.3 mg/100 ml and 11 mg/100 ml depending on the intake of ovulation inhibitors could be statistically ascertained in women at the age of 20-24 and 30-34 years. Women with hormonal contraception have statistically significantly higher triglyceride mean value in the age group 15-24 and 35-44 years than the women without oral contraception.

Adolescent↗

Medical audit.

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Medical Audit↗

[Cardiovascular preventive medical check-ups in the large industrial plants of Erfurt. 1. Implementation of the screening phase].

During a medical check-up for the recognition and treatment of patients with diseases of heart and circulation or their early stages and of patients with factors of risk in two large factories of Erfurt altogether 6,646 men and women were examined. The screening was carried out in November 1975 and 1976 in immediate nearness of the working place. The times during which could not be worked were thus reduced to a minimum. Some organisational problems and their solutions in the preparation and performance of the screening phase as well as first results are reported on.

Cardiovascular Diseases↗