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Lexical representation and processing of morphologically complex words: Evidence from the Reading Performance of an Italian agrammatic patient
No full textThe study of patients with acquired language disorders has provided crucial evidence for contemporary theories on mental lexical representation. This is particularly true for the repre- sentation of morphologically complex words. In this paper we analyzed the performance of a patient (M.B.) affected by agrammatism and dyslexia. M.B. was required to read aloud simple and morphologically complex words. The patient’s pattern of errors was interpreted as the result of a predominant use of the lexical routine (phonological dyslexia). Three reading tasks were developed which allowed us to test M.B.’s ability to read morphologically complex words (reading of regular and irregular plurals; reading of high- and low-frequency singular and plural nouns; reading of evaluative suffixes). Errors were determined by frequency effect rather than by type of suffix (i.e., inflectional or derivational). High-frequency morphologically complex items seemed to meet stored representations, thus avoiding the parsing procedures that are required for less frequent items. These results are in keeping with dual route models of lexical representation of morphologically complex words
Combining words in the brain: The processing of compound words Introduction to the special issue.
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Linguaggio scritto
No full textI deficit afasici che conseguono a lesioni cerebrali focali emisferiche sinistre compromettono in generale le diverse unità (fonologia, lessico e morfosintassi e modalità del linguaggio (produzione e comprensione; linguaggio orale e linguaggio scritto). Ne consegue che la maggioranza dei pazienti afasici soffre di un deficit di almeno pari gravità anche del linguaggio scritto (lettura e scrittura). Occasionalmente, tuttavia, il deficit di linguaggio può danneggiare le capacità di lettura e scrittura in modo prevalente. In questo capitolo si descriveranno i disturbi del linguaggio scritto che si associano a un disturbo acquisito del linguaggio orale o che insorgono in forma relativamente isolata e se ne descriveranno i principi per un trattamento riabilitativo mirato
Noun-verb dissociation in aphasia: Type/token differences in the analysis of spontaneous speech
No full textHead position and the mental representation of Italian nominal compounds: a constituent priming study in Italian
No full textThere is a significant body of psycholinguistic evidence that supports the hypothesis of an access to constituent representation during the mental processing of compound words. However it is not clear whether the internal hierarchy of the constituents (i.e., headedness) plays a role in their mental lexical processing and it is not possible to disentangle the effect of headedness from that of constituent position in languages that admit only head-final compounds, like English or Dutch. The present study addresses this issue in two constituent priming experiments (SOA 250ms) with a lexical decision task. Italian endocentric (head-initial and head-final) and exocentric nominal compounds were employed as stimuli and the position of the primed constituent was manipulated. A first-level priming effect was found, confirming the automatic access to constituent representation. Moreover, in head-final compounds data reveal a larger priming effect for the head than for the modifying constituent. These results suggest that different kinds of compounds have a different representation at mental level: while head-final compounds are represented with an internal head-modifier hierarchy, head-initial and exocentric compounds have a lexicalised, internally flat representation
Anatomy of oral apraxia and speech apraxia: A VLSM study in a cohort of left-hemisphere brain-damaged patients
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