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Nicht-invasives, nicht-ionisierendes funktionelles Neuroimaging mit räumlich und zeitlich hochauflösender Elektroenzephalographie oder Echtzeit-Naheinfrarotspektroskopie in Kombination mit modernen Robotorsystemen ist ein entscheidender Entwicklungsschritt auf dem Gebiet der Neuroprothetik und Brain-Machine-Interfaces. In der Medizintechnik an der Hochschule Offenburg wird hierzu geforscht.
The study from Mehrazin et al. in HJNM 2011; 14(3): 243-50 on the neuropsychology, morphological computerized tomography (CT) and functional neuroimaging with 99mTc-labelled ethylene cystein-ate dimer single-photon emission tomography (SPET) in mild trau-matic brain injury (MTBI) is an interesting new approach to a disease condition which is often neglected or denied. Related to the above, we may note that the French composer Maurice Ravel (1875-1937), who suffered from Pick ́s disease with primary progressive apha-sia, had a taxi accident in 1932, with a mild concussion, perhaps an MTBI. Apart from the dysphasia and beginning apraxia, which Rav-el had already 5 years prior to the taxi accident, these symptoms exacerbated-the dysphasia became a progressive aphasia-and he developed additional severe deficits in concentration and atten-tion after the accident. It has also been suspected that this accident may have triggered Ravel ́s agraphia the unability to write down any new composition beyond the date of the taxi accident, a condi-tion that Ravel himself described as unacceptable and which made him feel very sad as his mind was full of ideas. Due to the deterio-ration of his health, which can also be seen in his appearance on late photographs, Ravel consulted the famous neurosurgeon Prof. Clovis Vincent. Vincent, who suspected a hydrocephalus, opened Ravel ́s skull on December 19, 1937, showing a normal brain. Soon after surgery Ravel died. In conclusion, a SPET/CT approach com-bined with a brain perfusion analysis using statistical parametric mapping might be the recommendable approach today for mild traumatic brain injury.
Neuroprosthetics 2.0
(2019)
Neurostimulation durch Musik
(2020)
Was ist die Musik und wie wirkt sie sich auf den menschlichen Körper aus? Historisch betrachtet wird die Musik als etwas Göttliches aufgefasst, da sie eine äußerst große Wirkung auf die Emotionen des Menschen besitzt. Dieser Effekt wirkt sich auch psychosomatisch aus und kann das Denken und Handeln des Zuhörers beeinflussen und steuern. So lässt sich beispielsweise das Kaufverhalten allein durch die musikalische Begleitung deutlich manipulieren. Selbst die Motivation lässt sich mit passender Vertonung entweder steigern oder reduzieren. In der heutigen Zivilisation begleitet die Musik den Menschen alltäglich und wird zu vielen verschiedenen Zwecken verwendet. Somit ist die musikalische Stimulation als eine Art Psychotherapie zu werten, die häufig gezielt angewendet wird, aber im Beeinflussten unterbewusst stattfindet. Da natürlich immer noch offene Fragen bezüglich der genauen Wirkung von Musik auf das Gehirn bestehen, werden derzeit im Bereich der Neurowissenschaften viele Studien durchgeführt, um dieses Phänomen nachvollziehen zu können.
The design of control systems in large-scale CPV power plants will be more challenging in the future. Reasons are the increasing size of power plants, the requirements of grid operators, new functions, and new technological trends in industrial automation or communication technology. Concepts and products from fixed-mounted PV can only partly be adopted since control systems for sun-tracking installations are considerable more complex due to the higher quantity of controllable entities. The objective of this paper is to deliver design considerations for next generation control systems. Therefore, the work identifies new applications of future control systems categorized into operation, monitoring and maintenance domains. The key-requirements of the technical system and the application layer are identified. In the resulting section, new strategies such as a more decentralized architecture are proposed and design criteria are derived. The contribution of this paper should allow manufacturers and research institutes to consider the design criteria in current development and to place further research on new functions and control strategies precisely.
In addition to traditional methods in product development, the increasing availability of additive manufacturing AM technologies offer new opportunities in product development processes today. This contribution explores several ways in which AM can productively be used in education. New to this approach is amongst others that the students assemble and install the 3D-printers themselves. In two case studies is demonstrated how students in design education are able to autonomously research and realize technical possibilities and limitations of AM technologies, as well as economic constraints.
Today, Additive Manufacturing (AM) is an important part of teaching for the education of future engineers. Therefore, a variety of approaches have been developed in recent years on how to bring the design for additive manufacturing (DfAM) into university teaching. In a detailed literature review, the advantages and disadvantages of the previous approaches are considered and analysed. Based on this, an extended approach is presented in which students analyse and optimize a given product with respect to additive manufacturing. In doing so, the students have to solve challenging tasks in optimization in product development with the help of methodical approaches and practically implement their developed solutions with state-of-the-art additive processes. To work on this task, the students have two different 3D printers at their disposal, which work with different processes and materials. Thus, the students learn to adapt the design to different manufacturing processes and to consider the restrictions of different materials. The assessment of the results from this course is done through feedback and a written survey.
In addition to traditional methods in product development, the increasing availability of two new 3D digital technologies, namely digital manufacturing (3D-printing) and digitizing of surfaces (3D-scanning), offer new opportunities in product development processes today. With regard to the systematic implementation of these technologies in the education of students in the field of product development, however, only a small number of approaches exist so far. This paper explores several ways in which 3D digital technologies can productively be used in design education. The innovative aspects here include that the students assemble and install the 3D-printers themselves, and that they are introduced to an approach that combines 3D-scanning followed by 3D-printing.