The bottle and the glass say to me: "Pour!"

Elisa De Stefani, Alessandro Innocenti, Nicolò Francesco Bernardi, Giovanna Cristina Campione, Maurizio Gentilucci

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The present study aimed at determining whether the observation of two functionally compatible artefacts, that is which potentially concur in achieving a specific function, automatically activates a motor programme of interaction between the two objects. To this purpose, an interference paradigm was used during which an artefact (a bottle filled with orange juice), target of a reaching-grasping and lifting sequence, was presented alone or with a non-target object (distractor) of the same or different semantic category and functionally compatible or not. In experiment 1, the bottle was presented alone or with an artefact (a sphere), or a natural (an apple) distractor. In experiment 2, the bottle was presented with either the apple or a glass (an artefact) filled with orange juice, whereas in experiment 3, either an empty or a filled glass was presented. In the control experiment 4, we compared the kinematics of reaching-grasping and pouring with those of reaching-grasping and lifting. The kinematics of reach, grasp and lift was affected by distractor presentation. However, no difference was observed between two distractors that belonged to different semantic categories. In contrast, the presence of the empty rather filled glass affected the kinematics of the actual grasp. This suggests that an actually functional compatibility between target (the bottle) and distractor (the empty glass) was necessary to activate automatically a programme of interaction (i.e. pouring) between the two artefacts. This programme affected the programme actually executed (i.e. lifting). The results of the present study indicate that, in addition to affordances related to intrinsic object properties, "working affordances" related to a specific use of an artefact with another object can be activated on the basis of functional compatibility.

Original languageEnglish
Pages (from-to)539-549
Number of pages11
JournalExperimental Brain Research
Volume218
Issue number4
DOIs
Publication statusPublished - May 2012

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Artifacts
Glass
Biomechanical Phenomena
Malus
Hand Strength
Semantics
Observation

Keywords

  • Affordance
  • Artefact
  • Human kinematics
  • Interference
  • Semantic category

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

De Stefani, E., Innocenti, A., Bernardi, N. F., Campione, G. C., & Gentilucci, M. (2012). The bottle and the glass say to me: "Pour!". Experimental Brain Research, 218(4), 539-549. https://doi.org/10.1007/s00221-012-3047-2

The bottle and the glass say to me : "Pour!". / De Stefani, Elisa; Innocenti, Alessandro; Bernardi, Nicolò Francesco; Campione, Giovanna Cristina; Gentilucci, Maurizio.

In: Experimental Brain Research, Vol. 218, No. 4, 05.2012, p. 539-549.

Research output: Contribution to journalArticle

De Stefani, E, Innocenti, A, Bernardi, NF, Campione, GC & Gentilucci, M 2012, 'The bottle and the glass say to me: "Pour!"', Experimental Brain Research, vol. 218, no. 4, pp. 539-549. https://doi.org/10.1007/s00221-012-3047-2
De Stefani E, Innocenti A, Bernardi NF, Campione GC, Gentilucci M. The bottle and the glass say to me: "Pour!". Experimental Brain Research. 2012 May;218(4):539-549. https://doi.org/10.1007/s00221-012-3047-2
De Stefani, Elisa ; Innocenti, Alessandro ; Bernardi, Nicolò Francesco ; Campione, Giovanna Cristina ; Gentilucci, Maurizio. / The bottle and the glass say to me : "Pour!". In: Experimental Brain Research. 2012 ; Vol. 218, No. 4. pp. 539-549.
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