I. Introduction.Relation of the two angular gyrus cases to previous anatomical work on dementia præox.Former work did not include focally destructive lesions."Late" catatonia and presenile psychoses.Arteriosclerotic mental disease.Melancholia.Campbell on parietal lobes, angular gyrus.Question of visual function of angular gyrus.Alexia and the angular gyrus.Conjugate deviation.II. Case A.Clinical history.Autopsy.Microscopic study of focal arteriosclerotic lesion of angular gyrus.III. Case B.Clinical history.Autopsy.Miscroscopic study of solitary tubercie of angular gyrus.IV. Summary.V. Conclusions.
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