Konrad Süß

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In many successional series, grass species play an important role in mid-successional stages. Using calcareous sand ecosystems in the northern upper Rhine valley (Germany) as a model, we analyzed successional trajectories and the factors that determine their direction. A 5- to 7-year study of 23 permanent plots is presented. Polar ordination revealed that(More)
 Numerous experimental approaches are based on evaluating electromyographically recorded muscle activity. Some experiments require a certain level of pre-innervation in a muscle or muscle group whereas others must avoid this. Measured parameters, such as the time to onset of the muscle response to an electrical stimulus, etc., depend critically on the level(More)
Voluntary eye movements in response to a sinusoidally moving, intermittently active sound source were investigated in 40 young healthy human subjects. Visual afferent input was prevented during the experiments. With increasing burst repetition rates of the sound source, different forms of eye movements were observed: a) so-called single and repetitive(More)
This article reports the influence of moving acoustic signals on eye movements (oculomotor functions) using 350 healthy test subjects. An acoustic test setting developed especially for this purpose has made possible the application of moving acoustic signals of varying frequency and form (square stimuli, sinusoidal stimuli, circular movements), as well as(More)
A stimulating device for the application of moving acoustic signals of varying form and velocity is described. The apparatus functions on the principle of intensity stereophony and permits continuous smooth sound movements in a vast range of different forms and frequencies. Furthermore, simultaneous application of vestibular and optokinetic stimuli is(More)
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