Supplement to Descartes and the Pineal Gland

Figure 6

Figure 6

Figure 6. The Pineal Gland According to Descartes. This image from the 1664 edition of the Treatise of man illustrates Descartes' view that the pineal gland (H) is suspended in the middle of the ventricles (Descartes 1664, p. 63).

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Gert-Jan Lokhorst <>

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