Abstract
The spasticity of conjugate gaze phenomenon (SCG) is a subtle motor ocular sign that usually indicates unilateral acute cerebral lesion. We analyzed the sensitivity of this sign in a prospective blinded study using 57 patients. All patients had monohemispheric brain lesions without resting deviation of the eyes and no motor complaints. Fourteen individuals without cerebral lesions were included as controls. Patients and controls were submitted to a brain magnetic resonance image. We observed SCG in just 1/57 (sensitivity of 1.7%), while all controls had a normal Bell's phenomenon. We speculate that SCG may disappear over time and is not useful to diagnose a long-lasting unilateral brain lesion.
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