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Cross-Modal Multivariate Pattern Analysis
Published on: November 9, 2011
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Early and Late ERP Correlates of Conscivousness- A Direct Comparison Between Visual and Auditory Modalities
Kinga Ciupińska1,2, Marcin Koculak1, Michał Bola3
1Consciousness Lab, Institute of Psychology, Jagiellonian University, Krakow, Poland.
Psychophysiology
|July 2, 2025
Summary
Neural correlates of consciousness (NCC) differ between senses. Visual stimuli access awareness faster than auditory ones, indicating modality-specific brain mechanisms for consciousness.
Area of Science:
- Neuroscience
- Cognitive Science
- Psychology
Background:
- Most neural correlates of consciousness (NCC) research focuses on vision.
- Generalizability of visual NCC findings to other sensory modalities remains under-investigated.
Purpose of the Study:
- To directly compare neural correlates of consciousness (NCC) for visual and auditory stimuli.
- To investigate modality-specific differences in perceptual awareness mechanisms.
Main Methods:
- Participants underwent analogous visual and auditory near-threshold stimulus detection tasks.
- Electroencephalography (EEG) recorded brain activity.
- Behavioral data included accuracy and Perceptual Awareness Scale (PAS) ratings.
Main Results:
- Behaviorally, PAS ratings correlated with detection accuracy for visual stimuli.
- Early event-related potential (ERP) components (visual awareness negativity - VAN, auditory awareness negativity - AAN) related to awareness in both modalities.
- Late positivity (LP) correlated with awareness only for visual stimuli, with shorter latencies for visual components suggesting faster conscious access.
Conclusions:
- Neural correlates of consciousness (NCC) appear to be modality-specific.
- Visual and auditory awareness mechanisms are not closely linked.
- Current NCC measures may not track consciousness independently of content-specific processing.
