BACKGROUND Corticobasal syndrome (CBS) is characterized by multifaceted motor system dysfunction and cognitive disturbance; distinctive clinical features include limb apraxia and visuospatial dysfunction. Transcranial magnetic stimulation (TMS) has been used to study motor system dysfunction in CBS, but the relationship of TMS parameters to clinical features has not been studied. The present st...

OBJECTIVE This aim of this study was to determine the reliability and validity of an established ideomotor apraxia test when applied to a Turkish stroke patient population and to healthy controls. SUBJECTS The study group comprised 50 patients with right hemiplegia and 36 with left hemiplegia, who had developed the condition as a result of a cerebrovascular accident, and 33 age-matched health...

The literature on apraxia of speech describes the types and characteristics of phonological errors in this disorder. In general, phonemes affected by errors are described, but the distinctive features involved have not yet been investigated. Objective To analyze the features involved in substitution errors produced by Brazilian-Portuguese speakers with apraxia of speech. Methods 20 adults w...

1. Kanazawa M, Shimohata T, Sato M, Onodera O, Tanaka K, Nishizawa M. Botulinum toxin A injections improve apraxia of eyelid opening without overt blepharospasm associated with neurodegenerative diseases. Mov Disord 2007;22:597-598. 2. Lepore FE, Duvoisin RC. “Apraxia” of eyelid opening: an involuntary levator inhibition. Neurology 1985;35:423-427. 3. Jankovic J. Pretarsal injection of botulinu...

The frontal and parietal cortex are intimately involved in the representation of goal-directed movements, but the crucial neuroanatomical sites are not well established in humans. In order to identify these sites more precisely, we studied stroke patients who had the classic syndrome of ideomotor limb apraxia, which disrupts goal-directed movements, such as writing or brushing teeth. Patients w...

Apraxia is a well-known syndrome characterized by the sufferer's inability to perform routine gestures. In an attempt to understand the syndrome better, various different theories have been developed and a number of classifications of different subtypes have been proposed. In this article review, we will address these theories with a specific focus on how the use of objects helps us to better u...

Apraxia is a disorder in executing “learned”1 or “skilled” movement (excluding explicitly symbolic movements2) not accounted for by weakness, incoordination, sensory loss, incomprehension or inattention to commands.3, 4 In a classic case, the patient carried out commands such as, “show me how you would use a hammer” with his right arm without hesitation.1 However, when asked to perform the same...

The internal consistency and the diagnostic value of a test for apraxia in patients having had a stroke are presented. Results indicate that the items of the test form a strong and consistent scale: Cronbach's alpha as well as the results of a Mokken scale analysis present good reliability and good scalability. The diagnostic value of the test was determined by comparison of test results in thr...