Event-related potentials during word mapping to object shape predict toddlers' vocabulary size
| Autor: | Kristina Borgström, Magnus Lindgren, Janne von Koss Torkildsen |
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| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: |
Vocabulary
genetic structures Computer science media_common.quotation_subject lcsh:BF1-990 Object (grammar) computer.software_genre object recognition vocabulary development children Event-related potential Psychology Shape context N400 Original Research Article General Psychology media_common Productive Vocabulary business.industry Cognitive neuroscience of visual object recognition Vocabulary development lcsh:Psychology Artificial intelligence business computer shape bias Natural language processing |
| Zdroj: | Frontiers in Psychology Frontiers in Psychology, Vol 6 (2015) |
| ISSN: | 1664-1078 |
| Popis: | What role does attention to different object properties play in early vocabulary development? This longitudinal study using event-related potentials in combination with behavioral measures investigated 20- and 24-month-olds’ (n = 38; n = 34; overlapping n = 24) ability to use object shape and object part information in word-object mapping. The N400 component was used to measure semantic priming by images containing shape or detail information. At 20 months, the N400 to words primed by object shape varied in topography and amplitude depending on vocabulary size, and these differences predicted productive vocabulary size at 24 months. At 24 months, when most of the children had vocabularies of several hundred words, the relation between vocabulary size and the N400 effect in a shape context was weaker. Detached object parts did not function as word primes regardless of age or vocabulary size, although the part-objects were identified behaviorally. The behavioral measure, however, also showed relatively poor recognition of the part-objects compared to the shape-objects. These three findings provide new support for the link between shape recognition and early vocabulary development. |
| Databáze: | OpenAIRE |
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