Authors
Gyula Kovács, Márta Zimmer, Éva Bankó, Irén Harza, Andrea Antal, Zoltán Vidnyánszky
Publication date
2006/5/1
Journal
Cerebral Cortex
Volume
16
Issue
5
Pages
742-753
Publisher
Oxford University Press
Description
The existence of facial aftereffects suggests that shape-selective mechanisms at the higher stages of visual object coding — similarly to the early processing of low-level visual features — are adaptively recalibrated. Our goal was to uncover the ERP correlates of shape-selective adaptation and to test whether it is also involved in the visual processing of human body parts. We found that prolonged adaptation to female hands — similarly to adaptation to female faces — biased the judgements about the subsequently presented hand test stimuli: they were perceived more masculine than in the control conditions. We also showed that these hand aftereffects are size and orientation invariant. However, no aftereffects were found when the adaptor and test stimuli belonged to different categories (i.e. face adaptor and hand test, or vice versa), suggesting that the underlying adaptation mechanisms are category-specific …
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