A single-case study is reported of a patient, CW, with a category-specific deficit for naming artefactual objects and body parts along with good naming of natural objects. Tests using matching rather than naming techniques further suggested that CW had some difficulty in distinguishing between close semantic co-ordinates of artefactual objects. The case provides a double dissociation relative to patients with selective problems in identifying natural objects. Possible reasons for CWs category-specific impairment are discussed.

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Languages show differences in how they encode motion in discourse: Verbframed languages lexicalize Path in the verb, leaving Manner peripheral or implicit; Satellite-framed languages lexicalize Manner together with Path adjuncts. The present study investigates: 1) the extent to which such typological constraints affect the verbalizations of second language learners (English learners of French) and of aphasic speakers (English and French speakers with agrammatism) -who typically show dissociations between lexical and syntactic knowledge -in comparison to controls (English and French native speakers); as well as 2) the role of language-independent factors (level of acquisition, syndrome type). Despite some similarities between learners and speakers with aphasia due to language-independent factors, the findings suggest typologically constrained verbalizations in all groups, as well as diverging strategies that may reflect distinct underlying conceptualization processes.