1. 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) front

2. 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.

3. 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

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

5. 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

6. 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

7. 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