It is not clear from previous research (e.g., Caramazza et al., 1988; Deutsch et al., 1998; Frost et al., 1997) whether morphological stems that sub-serve the formation of both nouns and verbs (e.g., 'deal-') have a unique, grammatical class-independent representation in the visual word identification system, or rather feature two separate, grammatical-class specific representations. In a first experiment, participants were asked to read aloud nouns and verbs that were anticipated by morphologically-related primes belonging to the opposite grammatical class (e.g., partenza-PARTIRE, departure-TO LEAVE). In order to disambiguate genuine morphological priming from semantic facilitation, the same target words were also paired in a second condition with semantically related, but morphologically unrelated primes (e.g., viaggio-PARTIRE, trip-TO LEAVE). Morphological and semantic primes were contrasted with separate sets of control primes. The results showed reliable cross-class morphological priming. This effect was also shown to be independent from whether nouns primed verbs or vice versa, and from SOA (100 ms vs. 300 ms). In a second experiment, cross-class morphological priming was shown to emerge even when the related primes were compared with control words that shared their orthographic and phonological onset (e.g., abbraccio-ABBRACCIARE, (the) hug-to hug vs. abbazia-ABBRACCIARE, abbey-to hug), thus proving to hold independently of orthography and phonology.
Crepaldi, D., Arduino, L., Luzzatti, C. (2011). Do 'deal' and 'dealer' really share their stem? Grammatical class and morphological priming in reading. Intervento presentato a: Experimental Psychology Society, Spring Meeting, Oxford, UK.
Do 'deal' and 'dealer' really share their stem? Grammatical class and morphological priming in reading
CREPALDI, DAVIDE;LUZZATTI, CLAUDIO GIUSEPPE
2011
Abstract
It is not clear from previous research (e.g., Caramazza et al., 1988; Deutsch et al., 1998; Frost et al., 1997) whether morphological stems that sub-serve the formation of both nouns and verbs (e.g., 'deal-') have a unique, grammatical class-independent representation in the visual word identification system, or rather feature two separate, grammatical-class specific representations. In a first experiment, participants were asked to read aloud nouns and verbs that were anticipated by morphologically-related primes belonging to the opposite grammatical class (e.g., partenza-PARTIRE, departure-TO LEAVE). In order to disambiguate genuine morphological priming from semantic facilitation, the same target words were also paired in a second condition with semantically related, but morphologically unrelated primes (e.g., viaggio-PARTIRE, trip-TO LEAVE). Morphological and semantic primes were contrasted with separate sets of control primes. The results showed reliable cross-class morphological priming. This effect was also shown to be independent from whether nouns primed verbs or vice versa, and from SOA (100 ms vs. 300 ms). In a second experiment, cross-class morphological priming was shown to emerge even when the related primes were compared with control words that shared their orthographic and phonological onset (e.g., abbraccio-ABBRACCIARE, (the) hug-to hug vs. abbazia-ABBRACCIARE, abbey-to hug), thus proving to hold independently of orthography and phonology.
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