Fig. 1From: Assessing the visual vertical: how many trials are required?Visual vertical (VV) perception in patients with subacute stroke. VV orientation estimated in 10 trials for 117 subacute stroke patients with ipsilesional VV bias, normal VV perception and contralesional VV bias according to normal ranges (−2.5°; 2.5°) [2] indicated by dashed linesBack to article page