Flávia Priscila Paiva Vianna de Andrade, Sandra Maria Sbeghen Ferreira de Freitas, Vivian Farahte Giangiardi, Renata Morales Banjai, Sandra Regina Alouche

Aiming Movement After Stroke: Do Time-Since-Injury and Impairment Severity Influence Ipsilateral Performance?

  • Sensory Systems
  • Experimental and Cognitive Psychology
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In this cross-sectional study, we evaluated post-stroke ipsilesional (less affected) upper limb aiming movement in individuals whose strokes were either 2–5 months ( n = 16) or >6 months ( n = 17) prior to our testing; we also compared both stroke groups to a control group of healthy individuals ( n = 14). We evaluated the participants’ level of movement impairment in the contralateral upper limb from the site of the cerebrovascular lesion as an indicator of the severity of the participants’ impairment. Participants were asked to move a stylus on a tablet with their ipsilesional upper limb according to a visual stimulus seen on a monitor. Those who had experienced more recent strokes showed poorer movement planning and execution, regardless of their impairment level. Since the stroke occurred, the amount of time was significantly associated with the ipsilesional aiming movement, and improvement over time brought performance levels closer to that of healthy controls.

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