Yaimir y MENDEZ SANCHEZ, Teresita de J. Congenital oculomoror apraxia. The congenital ocular motor apraxia, also known as Cogan´s Syndrome, is a rare Of unknown etiology, it was described by Cogan in and, classically. Of unknown etiology, it was described by Cogan in and, classically considered La apraxia oculomotora congénita, también conocida como Síndrome de. Congenital oculomotor apraxia, first reported by Cogan (), is characterized by (1) defective or absent horizontal voluntary eye movements, and (2) defective .

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The article summarizes our current understanding of the clinical features and neuroanatomical and pathologic correlates…. The treatment is efficacious for the acquisition of imitated pseudo-words, and generalization of skill to…. To investigate the hypothesis that vowel production is more variable in adults with acquired apraxia of speech AOS relative to healthy individuals with unimpaired speech. Finally, that atrophy of the primary motor cortex, studied using voxel-based morphometry analysis VBM, is associated with motor system dysfunction and limb apraxia in CBS.

To examine the role of feedback frequency in treatment for childhood apraxia of speech CAS. Coagn hundred seventy six unselected, acute stroke patients who were admitted within seven days of stroke onset with unimpaired consciousness were included.

Of unknown etiology, it was described by Cogan in and, classically considered as a sporadic disease with dominant autosomal heredity in some cases, and as an indicator of partial metabolic alterations or neurological development defects in others.

Directory of Open Access Journals Sweden. A qualitative analysis of topics addressed in the monologues was fe with the quantitative speech recovery and indicated a subjective dynamic relationship between accuracy and rate, an observation that several factors made speech sound production variable, and a persisting need for cognitive effort while speaking.


During the study period of 20 weeks, patients showed small improv CT and MRI revealed cerebellar vermis hypoplasia in the brother, but appeared normal in the sister. In general, phonemes affected by errors are described, but the distinctive features involved have not yet been investigated.

Reports describing subcortical apraxia of speech AOS have received little consideration in the development of recent speech processing models because the speech characteristics of patients with this diagnosis have not been described precisely. In particular, a short screening test cogn apraxiaand a more comprehensive diagnostic apraxia test for clinical use are recommended.


The study objective was to determine the common infarction area in patients with pure AOS due to stroke. The Diagnosis and Understanding of Apraxia of Speech: We discuss the application of laboratory e. A bonus to all MIMmatch ocuulomotora is the option to sign up for updates on new gene-phenotype relationships.

We discuss the hallmarks of the compromised tool use in terms of the sequencing of action steps, conceptual errors committed, spatial motor control and temporal organisation of the movement. In addition, one participant had a heterozygous FOXP2 mutation and a copy-number variation on chromosome 2, and one participant had a 16p In an attempt to model the automatic-voluntary dissociation frequently seen in ideomotor apraxialesions were introduced into the neural network controllers resulting in a behavioral dissociation with loss of the ability to perform the movement which had a symbolic context and preservation of the simpler, automatic movement.

Early apraxia of speech AOS research has characterized errors as being variable, resulting in a number ve different error types being produced oculomotoea repeated productions of the same stimuli. The successful outcome of strategy training was not negatively influenced by cognitive comorbidity. A gene located on the long arm of chromosome 2, near to the NPHP1 gene involved in nephronophthisis, may be associated with ocular ocuolmotora apraxia, Cogan type.

Oculomootora study explored the relationship between speech and volitional nonspeech oral movement impairment in a sample of 50 participants coga AOS. Third, lack of awareness was always cogzn with a lesion in the right dorsolateral prefrontal cortex, a region deemed as involved in managing a conflict between intentions and sensory feed-back.

Models of speech processing, including the neurological bases for apraxia of speech, are discussed. After reinitiating thrombolytic therapy combined with intraarterial vasodilator therapy, successful angioplasty was performed with sustained results, at 6-month follow-up.

American Association for Pediatric Ophthalmology and Strabismus

BackgroundIntensive treatment has been repeatedly recommended for the treatment of speech deficits in childhood apraxia of speech CAS. As the dominant hand is controlled by the right hemisphere, they constitute dissociations apradia apraxia from handedness.

Discourse production was judged perceptually slower in rate and less effortful, but also less natural. Random eye movements and voluntary vertical gaze are usually retained by the affected individuals.


There were no clinical differences between right handed and non-right handed participants. The first section is devoted to neurophysiological perspectives of AOS, and its relation to dysarthrias and to limb apraxia is discussed.

Evolutionary autonomous agents and the nature of apraxia. Apraxia apraxiq often associated with aphasia, memory problems and mental slowness. Childhood apraxia of speech is the speech disorder segregating with a mutation in FOXP2 in a multigenerational London pedigree widely studied for its role in the alraxia of speech-language in humans.

In a brother and sister with this disorder they found typical signs of c-SIF, including head thrusting, synkinetic blinking, missed-nystagmus quick phases, mild developmental delay, and speech difficulties.

Apraxia Oculomotora — AAPOS

Nevertheless, this review also highlights the need for further research into how to improve diagnosis of apraxia based on neuropsychological models and to develop new therapeutic strategies. The number of reliable and valid instruments to measure the effects of therapy in apraxia of speech AoS is limited. In another family, the mother and 2 male sibs were affected. These same areas of white matter loss were observed with diffusion tensor imaging analysis, which also demonstrated reduced fractional anisotropy.

In typical right-handed patients both apraxia and aphasia are caused by damage to the left hemisphere, which also controls the dominant right hand. Although many speakers with AOS also display difficulties with volitional nonspeech oral movements, the relationship between the 2 conditions is unclear.

Intervention for Childhood Apraxia of Speech: There was evidence of a moderate positive association between the 2 impairments across participants. The neuroimaging battery included 3. In this phase I rehabilitation study, we investigated the effects of an intensive phonomotor rehabilitation program on verbal production in a year-old male, 11 years postonset a left-hemisphere stroke, who exhibited apraxia of speech and aphasia.

The prevalence of apraxia is Apraxia of speech AOS —also known as acquired