- Gainotti, G. Constructional apraxia. In Frederick's JAM ed. Handbook of clinical Neurology.Amsterdam: Elsevier, 1985; 45, 491- 456
- Della Sala, S., Spinnler, H., Trivelli, C. Slowly progressive impairment of spatial exploration and visual perception. Neurocase 1996; 2, 299-323
- Starck, M., Coslett, B., Saffran, EM. Impairment of an egocentric map of locations: implications for perception andaction. Cogitive neuropsychology 1996; 13:481-523
- McKhann, G., Drachman, D., Folstein, M. et al. Clinical diagnosis of Alzheimer's disease: report of the NINCDS-ADRDA work-group under the auspices of the department of Health and Human Services Task Force on Alzheimer's disease. Neurology 1984: 34, 939-944
- Spinnler,H., Tognoni, G. Standardizzazione e taratura italiana di test neuropsicologici. Italian Journal of Neuroscience 1987: 6 (suppl.8)
- Pizzamiglio, L., Judica, A., Razzano, C. et al. Towards a comprehensive diagnosis of visuospatial disorders in unilateral brain-damaged patients . Psychological Assessment 1989; 5: 199-218
- Folstein, MF., Folstein, SE., McHugh, PR. Minimental State: a practical method for grading the cognitive state of patients for clinicians. Journal of Psychiatric Rescues 1985: 12, 189-198
- Andersen, RA., Essick, GK.., Siegel, RM. The encoding of spatial location by posterior parietal cortex. Science 1985; 230: 456-458
- Hyvarinen, J. The parietal cortex of monkey and man. Berlin: Springer- Verlag, 1982
- Stein, JF. The representation of egocentric space in the posterior parietal cortex. Behavioral Brain Science 1992; 15: 691-700
- Gold, M., Adair, JC., Jacobs, DH. et al. Right- left confusion in Gerstmann's syndrome: a model of body-centered spatial orientation. Cortex 1990 ;31: 267-283
- Mennemeier, M., Wertman, E., Heilman KM. Neglect for near peripesonal space. Evidence for multidirectional attentional systems in humans. Brain 1992; 115: 37-50
- Adair, JC., Williamson, DJ., Jacobs, DH. et al. Neglect of radial and vertical space: importance of the retinotopic reference frame. Journal of Neurology, Neurosurgery and Psychiatry 1995; 58: 724-728.