Pure agraphia after deep left hemisphere haematoma.
نویسندگان
چکیده
Pure agraphia is reported following haematoma in the left centrum semiovale sparing both parietal and frontal cortices. There was total inability to produce graphemes in the absence of limb apraxia. The lesion is assumed to have prevented linguistic and graphemic systems from gaining access to the frontal motor programme.
منابع مشابه
Alexia without agraphia.
Alexia without agraphia (also called pure alexia or word blindness) was the first of the disconnection syndromes (syndromes caused by disconnection of the right from the left cerebral hemisphere through interruption of the communication pathways between them) to be described. Déjerine in 1892 reported a patient who developed this syndrome after an infarct of the left occipital lobe and splenium...
متن کاملPure agraphia of kanji due to thrombosis of the Labbé vein.
A case is described of a 56 year old Japanese male with pure agraphia of kanji (the Japanese morphograms) due to haemorrhagic infarction of the left temporal lobe caused by the rare condition of cortical vein thrombosis of Labbé. Writing kanji was severely impaired without disturbed consciousness, aphasia or apraxia. On the other hand, writing kana (the Japanese syllabograms), and reading kanji...
متن کاملAgraphia for Kanji Resulting From a Left Posterior Middle Temporal Gyrus Lesion
OBJECTIVE To clarify whether agraphia or alexia occurs in lesions of the left posterior middle temporal gyrus. METHODS We assessed the reading and writing abilities of two patients with this lesion using kanji (Japanese morphograms) and kana (Japanese syllabograms). RESULTS Patient 1 first presented with pure alexia more impaired for kana after an infarction in the left middle and inferior ...
متن کاملPure agraphia: a discrete form of aphasia.
A 62 year old, right handed man developed a pure agraphia as the result of a left temporal lobe stroke. Isolated writing disturbances persisted for seven months until he had a second cerebrovascular accident resulting in total aphasia and right hemiplegia. A CAT scan obtained four months after the first episode showed a localised dilatation of the posterior portion of the left Sylvian cistern a...
متن کاملA case of musical agraphia.
Damage to the left upper parietal lobule causes pure agraphia. However, we experienced a patient who exhibited musical agraphia following such a lesion after the agraphia improved. The patient was a 53-year-old female piano teacher. After surgery, she exhibited agraphia and musical agraphia. There was no expressive amusia, receptive amusia, aphasia, agnosia or apraxia. Fifteen months post-surge...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
- Journal of neurology, neurosurgery, and psychiatry
دوره 53 3 شماره
صفحات -
تاریخ انتشار 1990