File:Expanding fortification pattern-migraine with aura.jpg
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Summary
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English: Expanding fortification pattern in a migraine with aura. "Inhibitory character within angled oval of an expanding fortification spectrum. Outside the limiting line, vision is preserved; within it, vision is lost. This occurs at first over the whole area; afterwards, when the sphere is broken and has become oval, loss is most intense close to the limiting line and becomes less toward the middle."~ Gowers WR: Visual sensations in migraine. In: Subjective Sensations of Sight and Sound: Abiotrophy and Other Lectures. London: Churchill, 1907 |
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| Source | Page 26 in Gowers, W. R: Subjective sensations of sight and sound : abiotrophy, and other lectures (1904) Philadelphia: Blakiston |
| Author | Sir William Richard Gowers (1845-1915) |
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Dimensions | User | Comment | |
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| current | 05:45, 13 October 2017 | 1,130 × 1,080 (283 KB) | Kersti Nebelsiek | higher resolution |
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