All patients underwent a series of neuropsychological tests, including assessment of visual neglect and extinction, visual fields, stereoscopic vision, colour vision, and hearing.
The visual neglect tests included: a line bisection test [57] , the apple test [3] (link), the clock task [20] (link), and a copying task (target: flower). For assessment of visual field defects static perimetry of 30° of the visual field was conducted with the contralesional eye. The Lang Test [28] and the Ishihara Colour Vision test [21] served as measures for stereoscopic and colour vision. An audiometry with 8 frequencies for each ear was applied for assessment of hearing.
Furthermore, patients were asked for impairments in the following domains: memory deficits, anomia, reading deficits, visual field defects, spatial orienting disorder and auditory impairments in relation to loudness, sound, voice, and music perception.
All following computer-based tests were performed at 60 cm distance from the screen and subjects wore headphones when required (Sennheiser HD 201). Spatial resolution of the monitor (Samsung Sync Master 1100 MB) was 1600 × 1200 pixels (2041 × 1617 arcmin) and the temporal resolution was 75 Hz. The fixation dot in each test had a size of 5 arcmin. Response time was ‘infinite’, i.e. the next trial started only after a response was given (enforced response).
The visual neglect tests included: a line bisection test [57] , the apple test [3] (link), the clock task [20] (link), and a copying task (target: flower). For assessment of visual field defects static perimetry of 30° of the visual field was conducted with the contralesional eye. The Lang Test [28] and the Ishihara Colour Vision test [21] served as measures for stereoscopic and colour vision. An audiometry with 8 frequencies for each ear was applied for assessment of hearing.
Furthermore, patients were asked for impairments in the following domains: memory deficits, anomia, reading deficits, visual field defects, spatial orienting disorder and auditory impairments in relation to loudness, sound, voice, and music perception.
All following computer-based tests were performed at 60 cm distance from the screen and subjects wore headphones when required (Sennheiser HD 201). Spatial resolution of the monitor (Samsung Sync Master 1100 MB) was 1600 × 1200 pixels (2041 × 1617 arcmin) and the temporal resolution was 75 Hz. The fixation dot in each test had a size of 5 arcmin. Response time was ‘infinite’, i.e. the next trial started only after a response was given (enforced response).