Abstract:
:Three experiments were aimed at verifying whether the modality of interaction with objects and the goals defined by the task influences the weight of the properties used for categorization. In Experiment 1 we used everyday objects (cups and glasses). In order to exclude that the results depended on pre-stored categorical knowledge and to assess the role of a purely perceptual property such as colour, novel objects were used respectively in Experiment 2 and Experiment 3. Participants experienced objects in different modalities of interaction: Vision, Vision+Action, Action, and Mirror (they observed an experimenter touching and lifting them), then they were submitted to a similarity evaluation task and to a more action-based sorting task. Objects varied in intrinsic properties which had a different degree of interactivity: Grip, Shape, Size and Colour. Overall Grip, the most interactive property, was relevant for categorization, together with Size in Experiment 1 and with Shape in Experiment 2 and Experiment 3. The relevance of Grip in the sorting task confirms that goal-relevant properties are more weighted. The absence of a modality effect is discussed in the framework of the theories arguing that the vision of objects and of conspecifics interacting with objects automatically activates motor information.
journal_name
Brain Cognjournal_title
Brain and cognitionauthors
Iachini T,Borghi AM,Senese VPdoi
10.1016/j.bandc.2007.11.002subject
Has Abstractpub_date
2008-06-01 00:00:00pages
31-43issue
1eissn
0278-2626issn
1090-2147pii
S0278-2626(07)00179-0journal_volume
67pub_type
杂志文章,随机对照试验abstract::Abnormalities in eye tracking are consistently observed in schizophrenia patients and their relatives and have been proposed as an endophenotype of the disease. The aim of this study was to investigate the performance of patients at Ultra High Risk (UHR) for developing psychosis on a task of smooth pursuit eye movemen...
journal_title:Brain and cognition
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journal_title:Brain and cognition
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journal_title:Brain and cognition
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pub_type: 杂志文章
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journal_title:Brain and cognition
pub_type: 杂志文章,评审
doi:10.1016/j.bandc.2010.07.009
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journal_title:Brain and cognition
pub_type: 临床试验,杂志文章
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更新日期:2002-07-01 00:00:00
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