(n.) The absence or loss of the power of expressing ideas by written signs. It is one form of aphasia.
Example Sentences:
(1) Unlike previously reported patients with subcortical infarcts, these cases indicate that small lesions limited to the posterior capsuloputaminal area can cause aphasia and agraphia as well as dysarthria.
(2) In "alexia without agraphia" (pure alexia), the intact right visual cortex is disconnected from the left parietal language center by a lesion in the splenium.
(3) The present investigation was designed to overcome the omissions of previous studies, and examined the ability to read 46 single phonograms and 46 single ideograms aloud in four groups of sufficiently large numbers of patients; namely, seven pure alexics, 23 Broca aphasics, 13 Wernicke aphasics, and seven patients with alexia and agraphia.
(4) The authors report the clinical findings and CT-scanning results in two cases of alexia without agraphia and review the literature on this subject.
(5) An adult patient with literal alexia, agraphia, slight anomia, and dyscalculia due to a left hemisphere infarct showed lack of sequential skills while pattern recognition remained intact.
(6) We report a single case of pure apraxic agraphia in which defective letter imagery was evident.
(7) This supports the contention that DA in adults may be divided into phonological and lexical groups and further supports the two-system hypothesis for linguistic agraphia.
(8) A 75-year-old right-handed woman, after a probable cerebral infarct, developed an irregular constriction of the visual fields, a left-sided agraphia, and an anomia for objects in the left hand.
(9) Dissociative improvement of alexia compared with agraphia in this case could be explained by the fact that the lesion was in close contact with the occipital lobe and that he also had pure alexia in the early stage.
(10) The errors of agraphia were not correlated with measures of aphasia or psychometric measures of language and motor performance.
(11) All eventually developed alexia, agraphia, visual agnosia, and components of Balint's, Gerstmann's, and transcortical sensory aphasia syndromes.
(12) Complete receptive and expressive aphasia, inability to repeat, agraphia, and alexia were elicited, but visual memory was preserved, and no constructional apraxia was noted.
(13) We now report a case of lexical agraphia following a discrete lesion of the left precentral gyrus.
(14) Many cases of agraphia from acquired cerebral lesions may be divided into two groups, phonological and lexical, suggesting two dissociable spelling systems.
(15) Less frequent with left-sided lesions they can be associated with the alexia without agraphia syndrome (with or without color naming deficit or hemifield loss).
(16) Comparing clinico-pathological findings of the 31 known autopsy cases, it was proposed that the lesion of the left spleno-lingual system produces alexia without agraphia but it may ameliorate.
(17) Alexia without agraphia occurred in a 41-year-old man suffering from a left occipital brain tumor.
(18) Lesions of the dominant (left) angular gyrus are associated with the syndromes of alexia with agraphia.
(19) We conclude that agraphia in AD can be variously determined and that agraphia is not a reliable marker for familial disease.
(20) The word formations (paragraphias) due to primary agraphia do not bear close phonetical resemblances, whereas word formations by dyslectic persons are plainly phonetical.
Inability
Definition:
(n.) The quality or state of being unable; lack of ability; want of sufficient power, strength, resources, or capacity.
Example Sentences:
(1) Technical factors that account for increased difficulty in these patients include: problems with guide catheter impaction and ostial trauma; inability to inflate the balloon with adequate guide catheter support; and need for increased intracoronary manipulation.
(2) The mother in Arthur Ransome's children's classic, Swallows and Amazons, is something of a cipher, but her inability to make basic decisions does mean she receives one of the finest telegrams in all literature.
(3) Major limitations of the conventional sperm penetration assay are the inability to assess several aspects of sperm function (zona binding and penetration) and the absence of human ovulatory products known to influence fertilization.
(4) While cells that were treated with antibody were unable to aggregate because of the inability to destroy cAMP, they aggregated normally when washed free of antibody.
(5) Cessation of coital activity was associated with specified types of stress between 65 and 70 years of age in the subgroup of men who had stopped due to inability; six out of eight reported stress against five out of 20 in the C group, P less than 0.05.
(6) The patient was referred to the podiatry department because of continued discomfort and the inability to run.
(7) Localization of the receptor binding domain within the C-terminal region of PA was suggested by the inability of the monoclonal antibodies 3B6 and 14B7 to recognize the recombinant proteins expressed by C-terminal deletions of the pag gene.
(8) The most frequent presentation is the inability to retain the external prosthesis.
(9) Fibroblastic cells were characterized by their spindle shape, content of a mucopolysaccharide, their relative inability to synthesize infectious influenza virus, and production of a cell-associated noninfectious hemagglutinin.
(10) The determination of circulating biologically active PTH in the rat has been difficult due at least in part to the inability to develop an antibody suitable for RIA of rat PTH.
(11) We now provide evidence strongly suggesting that the primary defect in Lec8 and Clone 13 cells is their inability to translocate UDP-galactose into the lumen of the Golgi apparatus.
(12) A major limitation of 3-D CT is its inability to reconstruct the pathology of soft tissues with the same fidelity afforded bony structures.
(13) The researchers suggested that the inability to establish relationships may be due to a function of methods, sample size, or a reflection of a different population.
(14) First, chains are constrained by their inability to penetrate the boundary.
(15) The sequence of the murine protein differs from that of the human protein in 10% of residues, and it may be presumed that some of these differences are responsible for the inability of gibbon ape leukemia virus to infect mouse fibroblasts.
(16) Thus, children's early difficulty in reading may be one sign of a general inability to selectively attend to the parts of any perceptual wholes.
(17) As there is evidence for the relative inability of infants to synthesize taurine, this nitrogen compound has to be wholly supplied by the mother during pregnancy and by diet after birth, particularly for the prematures who have to constitute appreciable reserves in their tissues.
(18) The inability of these young smokers to enhance their mucus clearance by cough suggests a change in the mucociliary apparatus from normal.
(19) An additional 17 patients considered highly in need of treatment met criteria for commitment based on inability to care for self, but most were hospitalized voluntarily.
(20) Phosphoglyceride and triacylglycerol biosynthesis in glycerol kinase deficiency fibroblasts is not diminished by the inability to use glycerol as a precursor of glycerol 3-phosphate.