Visual Learning of Statistical Relations Among Non-adjacent Features: Evidence for Structural Encoding.

Visual Learning of Statistical Relations Among Non-adjacent Features: Evidence for Structural Encoding.
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非相邻特征之间统计关系的视觉学习:结构编码的证据。

DOI:
10.1080/13506285.2011.552894
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发表时间:
2011
期刊:
影响因子:
2
通讯作者:
Tarr,MichaelJ
Tarr,MichaelJ
中科院分区:
心理学4区
文献类型:
--
作者:
Barenholtz,Elan;Tarr,MichaelJ

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Recent results suggest that observers can learn, unsupervised, the co-occurrence of independent shape features in viewed patterns (e.g., Fiser & Aslin, 2001). A critical question with regard to these findings is whether learning is driven by a structural, rule-based encoding of spatial relations between distinct features or by a pictorial, template-like encoding, in which spatial configurations of features are embedded in a “holistic” fashion. In two experiments, we test whether observers can learn combinations of features when the paired features are separated by an intervening spatial “gap”, in which other, unrelated features can appear. This manipulation both increases task difficulty and makes it less likely that the feature combinations are encoded simply as larger unitary features. Observers exhibited learning consistent with earlier studies, suggesting that unsupervised learning of compositional structure is based on the explicit encoding of spatial relations between separable visual features. More generally, these results provide support for compositional structure in visual representation.
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