Spatial interactions in upright and inverted faces: re-exploration of spatial scale influence
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Updated: Jun 25, 2026

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
Published on: April 16, 2014
1Maastricht Brain Imaging Center (M-BIC), Department of Neurocognition, Faculty of Psychology, University of Maastricht, P.O. Box 616, 6200 MD, Masstricht, The Netherlands. valerie.goffaux@psychology.unimaas.nl
Abstract:
Face features are hardly processed in isolation; they rather strongly interact over space. Spatial interactions are strong at upright, but not inverted orientation. Recent evidence indicated spatial interactions root in the low spatial frequencies (LSF) of face stimulus. Here, a balanced congruency paradigm was employed with upright and inverted filtered faces to circumvent the limits of previous investigations. Results confirm the LSF predominant contribution to spatial interactions and exclude lesser local information availability or methodological confounds as alternative accounts. Results further show that spatial interactions are driven by LSF, independently of the spectral properties of the attended face region.
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