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Lesion-site affects grammatical gender assignment in German: perception and production data
Juliane Hofmann1, Sonja A Kotz, Anke Marschhauser
1Experimental Neuropsychology Unit, Saarland University, P.O. Box 151150, 66041 Saarbruecken, Germany. j.hofmann@mx.uni-saarland.de
Neuropsychologia
|November 14, 2006
Summary
Patients with left frontal lesions struggle with phonological gender assignment, while posterior superior temporal gyrus lesions impair derivational-morphological processing in German aphasia. Production tasks showed no group differences.
Area of Science:
- Neuroscience
- Linguistics
- Psychology
Background:
- Grammatical gender assignment in German involves phonological, derivational-morphological, and semantic cues.
- Aphasia, a language disorder resulting from brain damage, can affect various linguistic aspects, including grammatical processing.
Purpose of the Study:
- To investigate how brain lesions in specific areas affect different aspects of grammatical gender assignment in German aphasic patients.
- To differentiate the roles of left frontal (LF) and posterior superior temporal gyrus (pSTG) lesions in phonological, derivational-morphological, and semantic gender processing.
Main Methods:
- Two experiments were conducted with German aphasic patients and age-matched controls.
- Experiment 1: Perception task involving grammaticality judgments of adjective-noun agreement.
- Experiment 2: Production task requiring participants to produce the correct definite article for a noun.
Main Results:
- In the perception task, patients with LF lesions showed more errors in phonological gender assignment compared to other types.
- Patients with pSTG lesions made more errors in derivational-morphological gender assignment than in phonological or semantic assignment.
- No significant differences between patient groups were observed in the production task.
Conclusions:
- Left frontal brain areas are crucial for phonological processing in grammatical gender assignment.
- The pSTG may be vital for integrating phonological and lexical information, essential for both phonological and derivational-morphological gender assignment.
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