Mental rotation in a patient with an implanted electrode grid in the motor cortex

Barbara Tomasino, Riccardo Budai, Massimo Mondani, Miran Skrap, Raffaella Ida Rumiati

Research output: Contribution to journalArticle

Abstract

We investigated the effects of cortical stimulation on mental rotation tasks in a patient with an electrode array placed over his left primary motor cortex. The array was implanted to relieve chronic pain resulting from right brachial plexus damage. Tasks involving motor imagery were slowed down by cortical stimulation, whereas those involving visual imagery were not. When the patient performed the motor-imagery task, the interference effect on response times disappeared if the stimulator was switched off. We also probed two of the sites (anterior-lateral and posterior-medial position), and found that stimulation of the more anterior-lateral one consistently disrupted motor imagery.

Original languageEnglish
Pages (from-to)1795-1800
Number of pages6
JournalNeuroReport
Volume16
Issue number16
DOIs
Publication statusPublished - Nov 7 2005

Keywords

  • Mental rotation
  • Motor cortex
  • Motor imagery
  • Spatial cognition
  • Stimulation

ASJC Scopus subject areas

  • Neuroscience(all)

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