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About

Claude Ghez is a neuroscientist whose research sits at the intersection of motor control, sensorimotor neuroscience, and stroke rehabilitation. His work has made significant contributions to understanding how proprioception — the body's sense of limb position and movement — shapes motor planning and control, particularly in individuals recovering from stroke. Ghez has been instrumental in developing rigorous, quantitative robotic methods to assess proprioceptive function in the hemiparetic arm, addressing longstanding limitations in traditional clinical assessments that relied on coarse, ordinal measures. His 2014 paper on robotic proprioception testing has accumulated 54 citations, reflecting the field's recognition of its methodological value. Beyond sensation, Ghez has investigated movement kinematics after stroke, characterizing how neurological deficits fragment reaching movements into discontinuous submovements. His more recent work extends into spatial mapping of hypertonia, quantifying abnormal neuromuscular resistance across the full reachable workspace. Together, these contributions provide clinicians and researchers with more precise tools to assess motor and sensory impairment post-stroke, ultimately informing better-targeted rehabilitation strategies. Ghez's body of work represents a sustained commitment to translating fundamental neuroscience into clinically meaningful measurement frameworks.