Object retrieval in the 1st year of life: learning effects of task exposure and box transparency.
Dev Psychol
; 40(1): 54-66, 2004 Jan.
Article
em En
| MEDLINE
| ID: mdl-14700464
ABSTRACT
Before 12 months of age, infants have difficulties coordinating and sequencing their movements to retrieve an object concealed in a box. This study examined (a) whether young infants can discover effective retrieval solutions and consolidate movement coordination earlier if exposed regularly to such a task and (b) whether different environments, indexed by box transparency, would impact the rate of learning and time of discovery of these solutions. Infants (N=12) were presented with an object retrieval task every week from 6 1/2 months of age until they were able to retrieve the toy from the box using coordinated two-handed patterns for 3 weeks. To reach that criterion, infants tested with an opaque box took 2 1/2 months and infants tested with a semitransparent box took 1 1/2 months. Both groups outperformed age-matched controls who received a one-time exposure to the task. Repeated exposure to the task and vision of the toy significantly enhanced this process of solution discovery.
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Base de dados:
MEDLINE
Assunto principal:
Orientação
/
Prática Psicológica
/
Desempenho Psicomotor
/
Rememoração Mental
/
Psicologia da Criança
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Percepção de Forma
Tipo de estudo:
Observational_studies
Limite:
Female
/
Humans
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Infant
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Male
Idioma:
En
Ano de publicação:
2004
Tipo de documento:
Article