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In a mental rotation task, children 5 and 6 years of age and adults had to decide as quickly as possible if a photograph of a hand showed a left or a right limb. The visually presented hands were left and right hands in palm or in back view, presented in four different angles of rotation. Participants had to give their responses with their own hands either(More)
We compared motor imagery performance of normally limbed individuals with that of individuals with one or both hands missing since birth (i.e., hand amelia). To this aim, 14 unilaterally and 2 bilaterally amelic participants performed a task requiring the classification of hands depicted in different degrees of rotation as either a left or a right hand. On(More)
Increasing evidence suggests that the visual analysis of other people's actions depends upon the observer's own body representation or schema. This raises the question of how differences in observers' body structure and schema impact their perception of human movement. We investigated the visual experiences of two persons born without arms, one with and the(More)
Execution and imagination of movement activate distinct neural circuits, partially overlapping in premotor and parietal areas, basal ganglia and cerebellum. Can long-term deafferented/deefferented patients still differentiate attempted from imagined movements? The attempted execution and motor imagery network of foot movements have been investigated in nine(More)
This article discusses the treatment of spasticity with botulinum toxin A as a new approach in the neurological rehabilitation of patients after stroke. Clinical studies have been reviewed to provide information about target groups, technical aspects and the advantages and disadvantages of treating spasticity with botulinum toxin A. Open and controlled(More)
The purpose of the present study was to examine the impact of the congenital absence of one hand on cortical organization of the sensorimotor cortex (S1/M1). We investigated the tongue representation in S1/M1 in nine participants with normally developed limbs, comprising the control group, and in eight persons with a congenitally completely missing hand(More)
At present, subthalamic nucleus (STN) stimulation is the preferred procedure for the amelioration of motor symptoms in medication refractory Parkinson's disease. Results are however impaired by negative impacts on mood, cognition, incentive, and social judgment. Alternative targets are therefore explored. We describe a case with stimulation of subthalamic(More)
BACKGROUND AND PURPOSE A Thr>Pro polymorphism at codon 715 in the coding region of the P-selectin gene has recently been described. Individuals carrying the Pro715 allele were reported to have a reduced risk of myocardial infarction. A possible association of this polymorphism with the risk of ischemic stroke is currently under discussion. METHODS We(More)
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