Prismatic Adaptation Induces Plastic Changes onto Spatial and Temporal Domains in Near and Far Space

Ivan Patané, Alessandro Farnè, Francesca Frassinetti

Research output: Contribution to journalArticlepeer-review

Abstract

A large literature has documented interactions between space and time suggesting that the two experiential domains may share a common format in a generalized magnitude system (ATOM theory). To further explore this hypothesis, here we measured the extent to which time and space are sensitive to the same sensorimotor plasticity processes, as induced by classical prismatic adaptation procedures (PA). We also exanimated whether spatial-attention shifts on time and space processing, produced through PA, extend to stimuli presented beyond the immediate near space. Results indicated that PA affected both temporal and spatial representations not only in the near space (i.e., the region within which the adaptation occurred), but also in the far space. In addition, both rightward and leftward PA directions caused opposite and symmetrical modulations on time processing, whereas only leftward PA biased space processing rightward. We discuss these findings within the ATOM framework and models that account for PA effects on space and time processing. We propose that the differential and asymmetrical effects following PA may suggest that temporal and spatial representations are not perfectly aligned.

Original languageEnglish
Article number3495075
JournalNeural Plasticity
Volume2016
DOIs
Publication statusPublished - 2016

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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