Alexia without agraphia
is a clinical syndrome that most often manifests as verbal alexia (inability to read words), and in most severe cases as a literal alexia (inability to read individual graphemes) .
Neuropsychiatric test results of the cases Neuropsychiatric Tests Case 1 Montreal Cognitive Assessment Losses in all parts except orientation Mini Mental State Examination Losses in memory and copying parts Frontal lobe test battery and Problems in attention, organization, clock drawing test planning and executive functions Examinations of writing, No agraphia
, acalculia, alexia calculation and reading Neuropsychiatric Tests Case 2 Montreal Cognitive Assessment Losses in all parts except naming Mini Mental State Examination Losses in orientation and memory parts Frontal lobe test battery and Problems in attention, organization, clock drawing test planning and executive functions Examinations of writing, No agraphia
, acalculia, alexia calculation and reading
Pure alexia without agraphia
due to basilar migraine in a 24 years old male.
When asked to read the sentence, he was unable to do so, representing alexia without agraphia
. He showed right homonymous hemianopia.
There are some unique features of the Chinese written script that could affect the patterns of agraphia
in AD patients.
The 40-year-old was diagnosed with alexia without agraphia
, also known as "word blindness", in which a patient loses the ability to read, but can still write and understand the spoken word.
Twenty (86,9%) PCA patients exhibited some or all elements of Gerstmann's syndrome (agraphia
, acalculia, and digital agnosia), 18 (78,3%) PCA patients showed some or all elements of Balint's syndrome (simultanagnosia and oculomotor apraxia), 7 (30,4%) PCA patients presented neglect, and 1 (4,3%) PCA patient showed aphasia.
(1981) Lexical or orthographic agraphia
. Brain, 104, 21-49.
Dysgraphia sometimes termed agraphia
is a specific deficiency in the ability to write not associated with ability to read, or due to intellectual impairment.
The paradox of his disorder was that he retained the capacity to write, known as alexia without agraphia
He had alexia, agraphia
, acalculia but no finger agnosia, prosopagnosia, or visual agnosias.
I have long known about amnesia (can't remember things) and aphasia (can't utter them properly) and agraphia
(can't write them down).
In my own field of neurology, we have the monstrous triple negative, alexia without agraphia
, indicating damage to the brain in such a way that there is difficulty with speaking, but not with writing.
Prominent amnesia has been described in a cortical variant of MS, with or without aphasia, alexia and agraphia
, (7) but acute presentation of MS with higher cognitive dysfunction is unusual.