Abstract
The Reich Chancellery, built by Albert Speer, was designed with an overwhelming ambience to represent the worldview of Hitler. The interior of the Reich Chancellery comprised high-ceiling and low-ceiling spaces. In this study, the change in a person’s emotions according to the ceiling height while moving was examined through brain wave experiments to understand the stress index for each building space. The Reich Chancellery was recreated through VR, and brain wave data collected per space were processed through a first and second analysis. In the first analysis, beta wave changes related to the stress index were calculated, and the space with the highest fluctuation was analyzed. In the second analysis, the correlation between 10 different types of brain waves and waveforms was analyzed; deep-learning algorithms were used to verify the accuracy and analyze spaces with a high stress index. Subsequently, a deep-learning platform for calculating such a value was developed. The results showed that the change in stress index scores was the highest when entering from the Mosaic Hall (15 m floor height) to the Führerbunker (3 m floor height), which had the largest floor height difference. Accordingly, a stress-ratio prediction model for selecting a space with a high stress level was established by monitoring the architectural space based on brain wave information in a VR space. In the architectural design process, the ratio can be used to reflect user sensibility in the design and improve the efficiency of the design process.
Highlights
We analyzed the amount of stress change in a virtual space by reconstructing Adolf Hitler’s Neue Reichskanzlei using VR, synchronizing VR equipment and measuring the EEG signals
The virtual chancellery was composed of three spaces with different floor heights—the Court of Honor, the Mosaic Hall and the bunker
The results of similar data demonstrated that the building was designed to induce feelings of grandiosity and trepidation and that the feelings experienced by the president of Czechoslovakia, who had a heart attack in the residence, were obtained
Summary
The chancellor of Germany, Adolf Hitler (1933–1945), had architects create monuments that were a physical embodiment of his worldview and instruments for campaigns against the democratic order. This is one example that shows the overwhelming feeling of the residence [3] This phenomenon is known as Stendhal syndrome, a phenomenological theory defined by Stendhal in the early 19th century that describes the condition experienced while looking at a work of art at a museum, which includes an increased heart rate, feeling weak in the knees and experiencing ecstasy. This phenomenon has been detected by monitoring brain waves in the medical realm for the purposes of psychological therapy [4]. Thereafter, we measured, via EEG signals, the psychological stability index and stress index, which are emotional information indices depicting a subject’s feelings in a building space, and built a deep-learning-based stress-ratio prediction model that could be quantitatively evaluated
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