Additional Supporting Information can be found in the online version of this article.

ANA_21991_sm_SupplMat.doc34KSupplementary Information: Description of Methods
ANA_21991_sm_Figure1.tif1097Ke-Figure 1: Response of Patient 4, with oculopalatal tremor, to gabapentin and memantine. Not only was his nystagmus substantially decreased with gabapentin (from median speed of 51 deg/second to 14 deg/second), but this effect was sustained at 13 deg/second 21 days after discontinuing gabapentin. The reduction in his nystagmus with gabapentin could be due to a permanent effect imposed by the drug or may simply represent a spontaneous fluctuation in his nystagmus. Horizontal (Hor), vertical (Ver), and torsional (Tor) records have been offset to aid clarity of display. Positive values indicate rightward, upward, and clockwise rotations from the patient's point-of-view.
ANA_21991_sm_Figure2.tif4314Ke-Figure 2: Response of Patient 6, with APN associated with MS, to gabapentin and memantine. Note that the pendular oscillations and a superimposed upbeat component are decreased during treatment with memantine.
ANA_21991_sm_Figure3.tif1198Ke-Figure 3: Response of Patient 9, with torsional nystagmus following a middle cerebellar peduncle hemorrhage, to gabapentin and memantine. The nystagmus was suppressed by gabapentin, but not memantine. Conventions are similar to those of e-Figure 1.
ANA_21991_sm_Table.doc48KSupplementary Table 1: Summary of demographic data, clinical data, and results in individual patients (P1-P10)

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