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Summary
| Description |
English: Heinrich Klüver categorized recurring geometric shapes under the influence of peyote. He called these the Form Constants: Tunnels, Spirals, Honeycombs and Gratings, and Cobwebs. These also apply to both drug-induced and natural hallucinations. |
| Date | |
| Source | Own work |
| Author | Lisa Diez |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:17, 25 June 2020 | | 2,048 × 2,048 (601 KB) | Lisa Diez | Uploaded own work with UploadWizard |
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