Ideomotor apraxia and P300: a preliminary study.

Event-related cerebral potentials and reaction time were studied in two patients with life parietal lesions inducing ideomotor apraxia and in seven control subjects. Results showed no marked increase of P300 latency in the patients with respect to the control group, whereas the RT was largely lengthened. This suggests that the decision-making processes are left intact in IMA and that only the motor execution stage is impaired.

Keywords

Adult, Male, Apraxias, Reference Values, Evoked Potentials, Auditory, Brain, Humans, Female, Functional Laterality

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