A. General Introduction -- 1 Some aspects of language processing revealed through the analysis of acquired aphasia: The lexical system -- B. Reading Introduction to Section of Reading -- 2 Reading mechanisms and the organization of the lexicon: Evidence from acquired dyslexia -- 3 The role of the (output) phonological buffer in reading, writing, and repetition -- 4 The analysis of morphological errors in a case of acquired dyslexia -- 5 General to specific access to word meaning: A claim reexamined -- C. Writing Introduction to Section on Writing -- 6 Aspects of the spelling process: Evidence from a case of acquired dysgraphia -- 7 Dissociation of spelling errors in written and oral spelling: The role of allographic conversion in writing -- 8 The role of the Graphemic Buffer in spelling: Evidence from a case of acquired dysgraphia -- 9 Orthographic structure, the graphemic buffer and the spelling process -- D. Speaking Introduction to Section on Speaking -- 10 Dissociation of inflectional and derivational morphology -- 11 A Case of Selective Deficit to Positional Level Processing -- 12 Variation in the pattern of omissions and substitutions of grammatical morphemes in the spontaneous speech of so-called agrammatic patients.