1. Caplan, D. Language: Structure, Processing and Disorders 63–104 (MIT Press, Cambridge, MA, 1992).
2. Shallice, T. In The Cognitive Neuropsychology of Language (eds Coltheart, M. Sartori, G. & Job, R.) 111–127 (Lawrence Erlbaum, Hove, 1987).
3. Farah, M. Visual Agnosia: Disorders of Object Recognition and What They Tell Us About Normal Vision (MIT Press, Cambridge, MA, 1990).
4. Gomori, A. & Hawryluk, G. Neurology 34, 947–950 (1984).
5. Albert, M., Soffer, D., Silverberg, R. & Reches, A. Neurology 29, 870–879 (1979).