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  • Synapse
    BruceBlaus, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

    Didactic presentation of synapse drug tolerance.

  • Jugendstil gate in Ukraine
    Vi Ko, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons
  • Double spiral jewel
    Mary Harrsch, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

    Grave Goods of a 9th century BCE aristocratic woman buried near the royal tombs in the necropolis of Aigai 02. Date 9th century BCE.

  • The spiral

    The spiral is a very old and widespread graphic symbol. It forms a dynamic system, which either contract or expand, the motion being either centripetal or centrifugal. Because of its similar shape to turbulences and whirlpools in liquids flowing downwards through an opening, such a symbol may indicate sinking into the ‘waters of death’. This could explain why such symbolic figures are often carved into boulders of prehistoric megalithic tombs. The double spiral connects both elements, contract/expand, into a unit. It can be seen as the ‘origin and decay’ and the reversibility of this process. The meaning of the triple spirals in prehistoric megalithic tombs can no longer be traced. The connection with the labyrinth also remains hypothetical, although the thought of a difficult way in and out again suggests a connection with the symbolism of dying and being reborn. (Biederman, 1992)

  • im-balanced lines

    An oblique line indicates an unstable situation, which causes unrest. Objects are found calmer, stronger and more controlled with more balance in the image and more restless, unstable and uncontrolled with an increasing degree of imbalance in the image (Van Rompay et al., 2005).

  • Purple and the artificial

    The artificial, the stylized is purple. Purple became the favorite colour of the Jugendstil. This movement in art rejected everything natural as artless. In the typical flower and plant ornaments of the Jugendstil, nature was styled decoratively to meet the demands of the then aesthetic. The Jugendstil is the only movement in art that appreciated purple as an interior colour. (Heller, 1989)