Deficits in the evolution of hand preshaping in Parkinson’s disease

  title={Deficits in the evolution of hand preshaping in Parkinson’s disease},
  author={Luis F. Schettino and Viswanathan Rajaraman and David Jack and Sergei V. Adamovich and Howard Poizner},
Parkinson's disease (PD) results in various types of motor impairments including bradykinesia, tremor and rigidity. Recent research has implicated more fundamental processes at the source of the observed motor deficits. Among these, problems in the sequencing and/or timing of complex movements and in the execution of internally-guided tasks. Furthermore, PD patients exhibit procedural learning deficits which may complicate the interpretation of experimental results of studies involving novel… CONTINUE READING


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