Licence: Public Domain Mark
Credit: Deaf-mutism / by Holger Mygind. Source: Wellcome Collection.
Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.
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![be a peculiar form of this abnormality, differing from that treated of here, and in this way we can explain the relationship which Swiss authors declare to exist between cretinism and struma on the one hand, and deaf-mutism on the other. ALBINISM IN THE FAMILY OF THE DEAF-MUTE.—Although Wilhelmi believed that deaf-mutism and albinism have nothing to do with each other, and could not find a single deaf-mute with this abnormality [io8, p. 75], there is no reason to contradict Dahl, who, in his exhaustive work on in- sanity in Norway, is of opinion that a morbid tendency in a family may produce sometimes insanity, some- times idiocy, sometimes deaf-mutism, and sometimes albinism, in different members. The relation between albinism and deaf-mutism is especially evident in the following family reported by Dahl [85, p. 87]: F M I (Albino) I M ! M M M (Idiot) (Albino) (Albino) MALFORMATIONS IN THE FAMILY OF THE DEAF-MUTE.—No mention is made in literature of malformations among the relatives of deaf-mutes. As such abnormalities seem to be more frequent among deaf-mutes than in individuals in general, there is reason to investigate the frequency of their appearance among the relatives of deaf-rftutes. There were three cases among the relatives of the 226 M M (Albino) (Albino) I M (Idiot) M (Deaf-mute)](https://iiif.wellcomecollection.org/image/b21709968_0088.jp2/full/800%2C/0/default.jpg)