Generalizing the dynamic field theory of the A-not-B error beyond infancy: three-year-olds' delay- and experience-dependent location memory biases. Export

@article{citeulike:5443773, abstract = {Thelen and colleagues recently proposed a dynamic field theory (DFT) to capture the general processes that give rise to infants' performance in the Piagetian A-not-B task. According to this theory, the same general processes should operate in noncanonical A-not-B-type tasks with children older than 12 months. Three predictions of the DFT were tested by examining 3-year-olds' location memory errors in a task with a homogeneous task space. Children pointed to remembered locations after delays of 0 s to 10 s. The spatial layout of the possible targets and the frequency with which children moved to each target was varied. As predicted by the DFT, children's responses showed a continuous spatial drift during delays toward a longer term memory of previously moved-to locations. Furthermore, these delay-dependent effects were reduced when children moved to an "A" location on successive trials, and were magnified on the first trial to a nearby "B" location. Thus, the DFT generalized to capture the performance of 3-year-old children in a new task. In contrast to predictions of the DFT, however, 3-year-olds' responses were also biased toward the midline of the task space-an effect predicted by the category adjustment (CA) model. These data suggest that young children's spatial memory responses are affected by delay- and experience-dependent processes as well as the geometric structure of the task space. Consequently, two current models of spatial memory-the DFT and the CA model-provide incomplete accounts of children's location memory abilities.}, author = {Schutte, Anne R. and Spencer, John P.}, citeulike-article-id = {5443773}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/11949898}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=11949898}, issn = {0009-3920}, journal = {Child development}, keywords = {a-not-b, context\_effects, development, dft, dynamic\_systems, experience, infants, memory, models, space}, number = {2}, pages = {377--404}, posted-at = {2009-08-15 21:02:47}, priority = {0}, title = {Generalizing the dynamic field theory of the A-not-B error beyond infancy: three-year-olds' delay- and experience-dependent location memory biases.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/11949898}, volume = {73}, year = {2002} }

TY - JOUR ID - citeulike:5443773 L3 - citeulike-article-id:5443773 N2 - Thelen and colleagues recently proposed a dynamic field theory (DFT) to capture the general processes that give rise to infants' performance in the Piagetian A-not-B task. According to this theory, the same general processes should operate in noncanonical A-not-B-type tasks with children older than 12 months. Three predictions of the DFT were tested by examining 3-year-olds' location memory errors in a task with a homogeneous task space. Children pointed to remembered locations after delays of 0 s to 10 s. The spatial layout of the possible targets and the frequency with which children moved to each target was varied. As predicted by the DFT, children's responses showed a continuous spatial drift during delays toward a longer term memory of previously moved-to locations. Furthermore, these delay-dependent effects were reduced when children moved to an "A" location on successive trials, and were magnified on the first trial to a nearby "B" location. Thus, the DFT generalized to capture the performance of 3-year-old children in a new task. In contrast to predictions of the DFT, however, 3-year-olds' responses were also biased toward the midline of the task space-an effect predicted by the category adjustment (CA) model. These data suggest that young children's spatial memory responses are affected by delay- and experience-dependent processes as well as the geometric structure of the task space. Consequently, two current models of spatial memory-the DFT and the CA model-provide incomplete accounts of children's location memory abilities. IS - 2 JF - Child development SN - 0009-3920 EP - 404 TI - Generalizing the dynamic field theory of the A-not-B error beyond infancy: three-year-olds' delay- and experience-dependent location memory biases. VL - 73 SP - 377 KW - a-not-b KW - context_effects KW - development KW - dft KW - dynamic_systems KW - experience KW - infants KW - memory KW - models KW - space AU - Schutte, Anne AU - Spencer, John PY - 2002///r UR - http://view.ncbi.nlm.nih.gov/pubmed/11949898 ER -