問題詳情

1.腦中風病患到院時兩眼同時看向右側,下列何者最可能受破壞?
(A)右側paramedian pontine reticular formation(PPRF)
(B)右側大腦半球之額葉(frontal lobe)
(C)右側動眼神經(oculomotor nerve)
(D)右側上丘(superior colliculus)

參考答案

答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

用户評論

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...