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Sensorimotor Foundations of Higher
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Patrick Haggard

Print publication date: 1993

Print ISBN-13: 9780199231447

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780199231447.001.0001

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The motor hierarchy: from kinematics to goals and intentions

The motor hierarchy: from kinematics to goals and intentions

(p.381) 18 The motor hierarchy: from kinematics to goals and intentions
Sensorimotor Foundations of Higher Cognition

Antonia F de C. Hamilton

Scott T. Grafton

Oxford University Press

This chapter examines the different levels of the motor hierarchy within the same stimulus using a recently developed one-back paradigm for inducing repetition suppression in response to observed actions in functional magnetic resonance imaging (fMRI). The result reveals suppression for repeated goals compared to novel goals in the anterior intraparietal sulcus, cerebellum, and basal ganglia. Suppression for repeated grasps compared to novel grasps was found in the lateral occipital cortex (LOC), middle intraparietal sulcus, and inferior frontal gyrus (IFG).

Keywords:   motor hierarchy, action, one-back paradigm, fMRI, repeated goals, LOC, IFG, sulcus, cerebellum, basal ganglia

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