W Ehlers

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Determining the internal dynamics of the human spine's biological structure is one essential step that allows enhanced understanding of spinal degeneration processes. The unavailability of internal load figures in other methods highlights the importance of the forward dynamics approach as the most powerful approach to examine the internal degeneration of(More)
One of the essential questions in the area of granular matter is, how to obtain macroscopic tenso-rial quantities like stress and strain from " microscopic " quantities like the contact forces in a granular assembly. Different averaging strategies are introduced, tested, and used to obtain volume fractions, coordination numbers, and fabric properties. We(More)
A model for the operationalization of empirical research of defense mechanisms is presented. Measures for operationalized defense diagnoses are discussed against the background of a cognitive model of different coding of information channels (linguistic and perceptual coding). Studies for the operationalized diagnoses in the clinical assessment of defense(More)
A quantitative taxonomy for the identification of patients with narcissistic pathology and with borderline personality disorders based on test results is presented. The quantitative identification of these subgroups was produced using a Q-factor analysis. Based on the correlation of the subjects by means of the 241 questions from the narcissistic inventory(More)
An investigation, comparing the event related potential (ERP) of depressive patients and a control group is presented. The components N100, P200, N200 and P300 have been recorded during the Stroop colour-word-interference test. The task is to name the colour of a colour word presented in a different colour, to read the word of an achromatic colour word and(More)
Whereas clinical character typology is based upon one typological idealized personality description of the same illness model, empirical character typology is concerned with the identification of the different personality structures for the same illness model. We have been able to prove that in a taxonomical analysis (Q-factor analysis) of patients and(More)
Fourier-analysis of the EEG (P4 02, P3 O1, CZ A1) in the stimulation period (1 sec) before acoustic stimulation showed significant differences between hypnosis and waking. Diminished power was found in the slower spectrum (0-3 and 4-7 c/sec) over the right hemisphere (P4O2) during hypnosis. Increased power was found in the alpha-spectrum (8-13 c/sec) over(More)
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