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Biomedical subjects

G Lukatela

Publications and source records attributed to G Lukatela.

At least 37 records · Page 2Linked to original sources
PubMed1990

Phonemic similarity effects and prelexical phonology.

Ten experiments were conducted on visually presented Serbo-Croatian words and pseudowords, comprising phonemically similar and dissimilar context-target sequences. There were five main results. First, phonemic similarity effects in both lexical decision and naming are independent of graphemic similarity. Second, phonemic similarity need not facilitate lexical decision; the direction of its effect depends on lexicality, target frequency, and type of similarity (specifically, the position of the phoneme that distinguishes context and target). Third, phonemic similarity expedites the naming of words and pseudowords, and to the same degree. Fourth, phonemic similarity is negated in naming, but not in lexical decision, when the visually presented context and target are stressed differently. Fifth, the phonemic similarity effect occurs even when the context is a masked pseudoword. These results are discussed in terms of a model in which word-processing units are activated routinely by phoneme-processing units, and in which compositionally similar word units, when activated, inhibit one another in proportion to each's familiarity. In this model, the phonemic similarity effect in naming is based on the states of phoneme units, whereas the phonemic similarity effect in lexical decision is based on the states of word units. Overall, the results comport with an account in which phonology is computed prelexically and automatically.

Adolescent↗
PubMed1988

Low-constraint facilitation in lexical decision with single-word contexts.

Single-word, low-constraint adjective contexts were used to "prime" lexical decision to noun targets in Serbo-Croat. Semantically congruent situations consisted of adjective-noun pairs that were not highly predictable but were nonetheless plausible (e.g., GOOD-AUNT). Semantically incongruent situations used pairs that were implausible (e.g., SLOW-COAT). All adjective-noun pairs were grammatically congruent and were compared with a neutral XXX baseline. In Experiment 1, at a stimulus onset asynchrony of 300 ms, congruous situations showed 59 ms of facilitation while incongruous situations did not differ from the baseline. The same pattern was repeated in Experiment 2, at a stimulus onset asynchrony of 800 ms. Congruous situations were facilitated 67 ms. Results are discussed in terms of a message-level coherence check in Forster's (1979) model of autonomous levels of language processing.

Cues↗
PubMed1986

Hemispheric asymmetries in phonological processing.

In Serbo-Croat, lexical decision to phonologically bivalent letter strings is slowed relative to their phonologically unique counterparts. This feature was exploited in order to assess the linguistic capacity of the two hemispheres. Lexical decision to laterally presented words and pseudowords revealed a right visual field advantage for both males and females in words and pseudowords. But the demands of phonological processing were not met in the same way by the two hemispheres, the two hemispheres did not respond in the same way in the two sexes, and the pattern of these differences was opposite for words and pseudowords.

Adolescent↗
PubMed1985

Effects of phonological ambiguity on beginning readers of Serbo-Croatian.

Third- and fifth-grade Yugoslavian children rapidly named familiar words and unfamiliar pseudowords that were written either in the Roman alphabet or in the Cyrillic alphabet and that were either phonologically ambiguous or not. Phonological ambiguity was produced by using letter strings that, when transcribed in Roman or when transcribed in Cyrillic, contained one or more ambiguous characters. Ambiguous characters are those letters shared by the two alphabets that receive different phonemic interpretations in the two alphabets. The controls for phonologically ambiguous words were the same words in their alternative, nonambiguous alphabetic transcription. Consistent with previous experiments on adults, the phonologically ambiguous form of a word or pseudoword was named much more slowly than the phonologically unambiguous form. For children who were equally proficient in both Roman and Cyrillic, the effect of phonological ambiguity was greater as children named letter strings faster. If it can be assumed that reading fluency correlates with naming latency, then it can be argued that the better beginning reader is more phonologically analytic.

Child↗
PubMed1985

Grammatical priming of inflected nouns by the gender of possessive adjectives.

Two experiments examined the effect on lexical decision times for inflected Serbo-Croatian nouns when the nouns were preceded by possessive adjectives (my, your, our). For any given pairing the possessive adjective and the noun agreed always in number (singular) and case (nominative) but only agreed half of the time in gender (masculine or feminine). Lexical decisions were faster when the noun targets were of the same gender as their primes. This gender congruency/incongruency effect was shown to hold whether the inflections of the adjective and noun were the same (as is the case for typical Serbo-Croatian nouns) or different (as is the case for atypical Serbo-Croatian nouns). The results are discussed in terms of a postlexical influence of grammatical processing on the recognition of individual words.

Adult↗