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Unwilled but purposeful hand movement in which the patient does not have conscious control is unusual. When one hand mimics the other, the term mirror movement is used. Mirror movements are often seen in patients with a congenital anomaly, where activation of the uncrossed corticospinal tract has been implicated.1 Imitative ipsilateral limb movements (i.e., arm levitation when attempting to lift the leg) have rarely been mentioned in the literature, and the anatomic correlate of such unusual movements is unknown.
We report a patient with a recurrent right thalamic hemorrhage in which the left arm would rise spontaneously when he attempted to lift the paretic left leg.
Case report.
A 70-year-old right-handed man presented with a sudden worsening of left hemiparesis of 3 weeks. He had a right thalamic hemorrhage 2 years before that resulted in a left body thalamic pain syndrome accompanied by a residual ipsilateral mild hemiparesis and sensory loss. Since the latest stroke, the wife noticed his left arm would elevate intermittently. The patient stated he became aware of the left …
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