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Living Reference Work Entry In depth
Lärmbedingte Schlafstörungen
Lärm ist unerwünschter und/oder die Gesundheit schädigender Schall. Die weitaus häufigste und entsprechend untersuchte Lärmwirkung ist die Belästigung. Störungen des für die Erholung essenziellen Schlafs werde...
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Living Reference Work Entry In depth
Nachtarbeit und Schichtarbeit
Schichtarbeit ist eine Arbeitsform, bei der bestimmte Aufgaben in zeitlichem Wechsel von mehreren Personen erledigt werden. Schichtarbeit wird daher zu wechselnden und/oder ständig ungewöhnlichen Zeiten geleis...
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Living Reference Work Entry In depth
Melatonin und zirkadianer Rhythmus
Melatonin ist ein Neurohormon, das ausschließlich in der Dunkelheit der Nacht gebildet wird. Seine Synthese wird vor allem durch Licht gehemmt. Das Hormon hat zahlreiche Funktionen. Herausragend ist seine chro...
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Article
Bright-light effects on cognitive performance in elderly persons working simulated night shifts: psychological well-being as a mediator?
The present study examined whether the relationship between light exposure and cognitive functioning is mediated by psychological well-being in elderly persons working night shifts. The role of psychological w...
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Article
Alterations of the cortisol quiescent period after experimental night work with enforced adaptation by bright light and its relation to morningness
A previous study where the delay of the circadian system was induced by bright light that was adjusted to the individual melatonin onset revealed concomitant alterations of the cortisol quiescent period that c...
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Article
Impairing effects of noise in high and low noise sensitive persons working on different mental tasks
There is no information of mental strain in noise sensitive persons working under moderate levels of noise. The aim of the study was to determine relevant dimensions of impairing effects differentiating betwee...
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Article
Lowering of resting core temperature during acclimation is influenced by exercise stimulus
The decrease in resting core temperature (T co) and its relation to the reduced physiological strain during heat acclimation was analysed with rectal temperature data measured in three gro...
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Article
Non-evaporative effects of a wet mid layer on heat transfer through protective clothing
In order to assess the non-evaporative components of the reduced thermal insulation of wet clothing, experiments were performed with a manikin and with human subjects in which two layers of underwear separated...
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Article
The relationship between poor sleep and inhibitory functions indicated by event-related potentials
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Article
Disturbed sleep in obstructive sleep apnea expressed in a single index of sleep disturbance (SDI)
Der Schlafstörungsindex (Sleep Disturbance Index – SDI) ist ein neuer, auf Schlafvariablen aus polysomnographischen Untersuchungen basierender Index, der Schlafqualität in einem einzelnen Wert beschreibt. Er w...
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Article
The relationship between poor sleep and inhibitory functions indicated by event-related potentials
The present study focused on the relationship between normal variations of sleep and inhibitory functions as reflected in event-related potentials. For this reason one night of 21 healthy participants was anal...
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Article
Development of a sleep disturbance index (SDI) for the assessment of noise-induced sleep disturbances
Ziel dieser Arbeit war die Entwicklung eines Schlafstörungs-Index (SDI, Sleep Disturbance Index), der eine zuverlässige Bewertung physiologischer Schlafstörungen durch Umwelteinwirkungen, wie etwa Lärm ermögli...
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Article
Executive brain functions after exposure to nocturnal traffic noise: effects of task difficulty and sleep quality
The after-effects of nocturnal traffic noise on cognitive performance and inhibitory brain activity were investigated. Twenty participants (18–30 years) performed an easy and a difficult visual Go/Nogo task wi...
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Article
Experiments on effects of an intermittent 16.7-Hz magnetic field on salivary melatonin concentrations, rectal temperature, and heart rate in humans
Objectives: The present experiments concerned the hypothesis that an intermittent, strong and extremely low frequency magnetic field reduces salivary melatonin levels and delays consecutively the...
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Article
Prediction of the average skin temperature in warm and hot environments
The prediction of the mean skin temperature used for the Required Sweat Rate index was criticised for not being valid in conditions with high radiation and high humidity. Based on a large database provided by...
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Chapter
Acclimation to 3 Different Climates with the Same Wet Bulb Globe Temperature
It was hypothesized that acclimation is similar for any climate with the same value of a given thermal index. Therefore, 8 subjects each were exposed during 15 consecutive days to either a warm-humid, a hot-dr...
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Chapter
Schallwirkungen beim Menschen und Fragen des Gehörschutzes
Mechanische Wellen im Frequenzbereich von 16 bis 20000 Hz stellen bei geeignetem Schalldruck den für das Gehör adäquaten Reiz dar. Der Höreindruck entsteht im Gehirn; das Ohr hat lediglich die Aufgabe, den Sch...
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Article
Zum Problem der Gewöhnung an Schallreize während des Schlafes
In den bisher veröffentlichten Arbeiten konnte eine Gewöhnung, d. h. eine Reaktionsabnahme im Verlauf einer Versuchsreihe statistisch nicht gesichert werden, obwohl in den meisten Arbeiten gegen Ende der Versu...
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Article
Pulsfrequenzänderung durch Überschallknalle während des Schlafes
In two experimental series (19 resp. 53 nights, 2 different persons in each series, test-time 10.30 p.m. to 3.00 a.m.) pulse rate after sonic booms had been recorded during sleep. In the first 3 nights the sub...
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Article
Schallreizverarbeitung im Verlauf des Menstruationscyclus
57 experiments were carried out in which finger-pulse-amplitudes, pulse rates and respiration frequency of 12 females were measured during a white noise of 95 dB(A), 2 to 4 days before and after the ovulation ...
