【Chris】評論
Unilateral lesions of the PPRF produce characteristic findings:Loss of horizontal saccades directed towards the side of the lesion, no matter the current position of gazeContralateral gaze deviation (acute lesions, such as early stroke, only)Gaze-evoked lateral nystagmus on looking away from the side of the lesionBilateral lesions produce horizontal gaze palsy and slowing of vertical saccadesUnilateral irritative stimulation of a FEF causes conjugate gaze contralateral to the stimulation. Conversely, a unilateral destructive lesion of the FEF causes conjugate gaze towards the lesion...