The eye as an aid in general diagnosis : a hand-book for the use of students and general practitioners / by E. H. Linnell.

  • Linnell, E. H.
Date:
1897
Catalogue details

Licence: Public Domain Mark

Credit: The eye as an aid in general diagnosis : a hand-book for the use of students and general practitioners / by E. H. Linnell. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

    135/272 (page 125)
    the characters (alexia). Or he may recognize objects, but cannot recall their names, a condition constituting word blindness. Soul blindness is usually a transient symptom associated with disease of another portion of the brain. Knies says that it is very rare as an isolated symptom, that it occurs quite often with progressive paralysis of the insane, but is always temporary. An interruption in the course of the commissural fibres uniting the visual areas with the higher intellect- ual centres explains another interesting class of psychic visual disorders which may be briefly mentioned, viz. : Motor Alexia.—This is very similar to soul blindness and word blindness, but differs from those • conditions in that the names of objects seen cannot be spoken, although remembered. Dyslexia.— He can read aloud, but after utter- ing a few words, a peculiar uncomfortable feeling is experienced which compels him to stop. This condi- tion is temporary, but often followed by severe cerebral symptoms. Paralexia.—A condition in which single let- ters, syllables or words are omitted in reading or con- fused with others having a similar sound. Agraphia.—'* In which he cannot copy, although the movements of the hand and arm are unimpaired and he can write from dictation.