Research Article

Functional MRI Examination of Visual Pathways in Patients with Unilateral Optic Neuritis

Table 2

Voxel number (and percent BOLD signal increase) of the activation foci elicited in areas V1 and V5 during stimulation of the affected and unaffected eye.

PatientON sideArea V1Area V5
Left side stimulationRight side stimulationLeft side stimulationRight side stimulation

1L33 (1.65)345 (1.7)322 (0.7)365 (1)
2L360 (1.6)680 (1.7)385 (1.33)338 (1.25)
3Lno515 (1.5)700 (0.85)650 (0.9)
4*Lnoyes (—)yes (—)yes (—)
5R530 (1.5)34 (1.5)726 (1)614 (1)
6*Ryes (—)noyes (—)yes (—)
7R509 (0.9)36 (0.6)407 (0.95)424 (0.9)
8R879 (1.3)64 (0.6)493 (0.67)450 (0.7)

Data regard activation foci contralateral to the stimulation side.
*For technical reason only visual localization and evaluation of activation foci was possible in patients 4 and 6.
L: left; R: right.