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Abstract #4665

Neural mechanisms of imaginary pushing an object in different spatial directions: an fMRI study

Wim Van Hecke 1 , Dirk Loeckx 2 , and Ralf Otte 3

1 Radiology, Antwerp University Hospital, Antwerp, Belgium, 2 icoMetrix, Belgium, 3 tecData AG, Switzerland

In this study, we examined the neuronal processes involved in an imaginary motor task using functional MRI. 15 healthy subjects were asked to imaginary push a cursor on a screen in different spatial directions. We found similar, bilateral brain activations during pushing the cursor in different spatial directions, involving the putamen, cerebellum, middle frontal gyrus, parietal cortex, and supplementary motor area. A predictive analysis showed high reliability to differentiate imaginary pushing from actual finger tapping, but only small differences were found between imaginary pushing in different spatial directions.

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