Figure 8.9. Motor control area of the human brain is shown in blue. The left side of the brain is shown (Brain Facts, 2007)

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Figure 8.10. Paul Klee , Lost in Thought . 1919, Pencil on paper mounted on board, 26 cm x 19 cm. The Blue Four Galka Scheyer Collection, Norton Simon Museum, Pasadena, California.

Figure 8.11. Paul Klee (1908). The Father: Two Nudes. Ink and wash on Ingres paper. 16.8 cm x 5.7 cm. Blue Four Galka Scheyer Collection, Norton Simon Museum, Pasadena, California

Figure 8.12. Paul Klee (1940). Perseverance. Black pastel on paper. 29.5 cm x 20.9 cm, Kunstmuseum, Bern.

Figure 8.13 Egon Schiele (1910) Dead Mother. Oil on wood. 32 x 25.7 cm. In collection of Dr. Rudolf Leopold, Vienna. Plate 14 in Mitsch, E. (1974) Egon Schiele, London: Phaidon Press Ltd

Figure 8.14 Egon Schiele (1912) Nude Self-Portrait Indian ink. 47 x 30 cm, Private collection. Plate 28 in Mitsch, E. (1974) Egon Schiele, London: Phaidon Press Ltd

Figure 8.15. Egon Schiele (1913) Self-Portrait. Pencil 48 x 32 cm. Private Collection . Plate 39 in in Mitsch, E. (1974) Egon Schiele, London: Phaidon Press Ltd