Abstract
DISORDERS in perceiving and exploring the visual space contra-lateral to a brain lesion have been frequently described. Many patients with hemi-neglect for extrapersonal space also show neglect in a representational domain when the task requires imagining a well-known piazza from a given vantage point1,2 or comparing two visual images3–5. Cognitive6 and psychophysiological7 studies show a functional parallelism between the perceptual and imaginative domain7, indicating that spatial perception and imagery share the same neural substrata. Here we describe a patient with a persistent disorder in visual imagery for familiar piazzas in the absence of any neglect for stimuli located in a far8 or near9 space or on his own body10. Contrary to previous cases involving imagery disorders, computerized tomography scans showed a lesion confined to the right frontal lobe, suggesting the role of the frontal lobe in some specific types of mental imagery.
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Guariglia, C., Padovani, A., Pantano, P. et al. Unilateral neglect restricted to visual imagery. Nature 364, 235–237 (1993). https://doi.org/10.1038/364235a0
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DOI: https://doi.org/10.1038/364235a0
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