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Details van artikel 46 van 104 gevonden artikelen
| Titel: |
Cryptotype, Overgeneralization and Competition: A Connectionist Model of the Learning of English Reversive Prefixes |
| Auteur: |
Li, Ping MacWhinney, Brian |
| Verschenen in: |
Connection science |
| Paginering: | Jaargang 8 (1996) nr. 1 pagina's 3-30 |
| Jaar: |
1996-03-01 |
| Inhoud: |
This study examined the role of covert semantic classes or 'cryptotypes' in determining children's overgeneralizations of reversive prefixes such as un - in *unsqueeze or *unpress . A training corpus of 160 English verbs was presented incrementally to a backpropagation network. In three simulations, we showed that the network developed structured representations for the semantic cryptotype associated with the use of the reversive prefix un- . Overgeneralizations produced by the network, such as *unbury or *unpress , match up well with actual overgeneralizations observed in human children, showing that structured cryptotypic semantic representations underlie this overgeneralization behaviour. Simulation 2 points towards a role of lexical competition in morphological acquisition and overgeneralizations. Simulation 3 provides insight into the relationship between plasticity in network learning and the ability to recover from overgeneralizations. Together, these analyses paint a dynamic picture in which competing morphological devices work together to provide the best possible match to underlying covert semantic structures. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 46 van 104 gevonden artikelen
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