Perceptual Features of Emotionally-Subliminal Phobic Stimuli Elicit Differences in ERPs: A Study on Holographic Spiders Shown in Augmented Reality
How relevant are specific perceptual features for the quick categorization of evolutionary-relevant stimuli? We used augmented reality to measure the nature/nurture role in processing hairiness of spiders. A sample of 75 more-or-less spiderfearful participants was administered emotionally-subliminal holograms representing phobic (hairy or glabrous spiders), generically-fearful (bear), or neutral (deers, birds) stimuli while recording their electroencephalographic (EEG) activity. Event-related potentials (ERPs) showed significant differences between hairy and glabrous spiders at early latencies (120 ms), suggesting that the spider's hairiness is distinguished yet at pre-conscious stages of visual processing.
Authors
- Enzo Pasquale Scilingo (ORCID: https://orcid.org/0000-0003-2588-4917)
- Danilo Menicucci (ORCID: https://orcid.org/0000-0002-5521-4108)
- Alejandro Luis Callara (ORCID: https://orcid.org/0000-0003-2767-0699)
- Sergio Frumento (ORCID: https://orcid.org/0000-0002-6787-8542)
- Angelo Gemignani (ORCID: https://orcid.org/0000-0001-7249-874X)
- Alberto Greco (ORCID: https://orcid.org/0000-0002-4822-5562)
Institutions
- University of Pisa (IT)
- Piaggio (Italy) (IT)
Publication Details
- Published
- 2024-10-21
- DOI
- https://doi.org/10.1109/metroxraine62247.2024.10796345
- Primary Topic
- EEG and Brain-Computer Interfaces
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- European Commission