When transcranial magnetic stimulation (TMS) modulates feature integration
Open accessAbstract
How the brain integrates visual information across time into coherent percepts is an open question. Here, we presented two verniers with opposite offset directions one after the other. A vernier consists of two vertical bars that are horizontally offset. When the two verniers are separated by a blank screen (interstimulus interval, ISI), the two verniers are perceived either as two separate entities or as one vernier with the offset moving from one side to the other depending on the ISI. In both cases, their offsets can be reported independently. Transcranial magnet stimulation (TMS) over the occipital cortex does not interfere with the offset discrimination of either vernier. When a grating, instead of the ISI, is presented, the two verniers are not perceived separately anymore, but as 'one' vernier with 'one' fused vernier offset. TMS strongly modulates the percept of the fused vernier offset even though the spatio-temporal position of the verniers is identical in the ISI and grating conditions. We suggest that the grating suppresses the termination signal of the first vernier and the onset signal of the second vernier. As a consequence, perception of the individual verniers is suppressed. Neural representations of the vernier and second vernier inhibit each other, which renders them vulnerable to TMS for at least 300 ms, even though stimulus presentation was only 100 ms. Our data suggest that stimulus features can be flexibly integrated in the occipital cortex, mediated by…
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The unconscious integration period can last for 420 ms as experiments using TMS and feature fusion have shown.
“This unconscious integration period can last for 420 ms as experiments using TMS and feature fusion have shown (Scharnowski et al., 2009; Rüter et al., 2010; see also Pilz et al., 2013).”
From Hard criteria for empirical theories of consciousness (2021) · cites this paper as Rüter et al., 2010
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The distinct modes of vision offered by feedforward and recurrent processing
Lamme, V. A. F., & Roelfsema, P. R. (2000) · Trends in Neurosciences · doi:10.1016/s0166-2236(00)01657-x · Cited by 2,338 · cited 1× · see citing works
“…stimulation or effects in higher cortical areas involved in visual temporal processing, like V5 (Bueti et al., 2008), the posterior parietal cortex (Alexander et al., 2005) and the temporal parietal junction cannot be excluded (for a review, see Lamme & Roelfsema, 2000; Battelli et al., 2008).”
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Hard criteria for empirical theories of consciousness
Doerig, A., Schurger, A., & Herzog, M. H. (2021) · Cognitive Neuroscience · doi:10.1080/17588928.2020.1772214 · Cited by 194 · see citing works
“This unconscious integration period can last for 420 ms as experiments using TMS and feature fusion have shown (Scharnowski et al., 2009; Rüter et al., 2010; see also Pilz et al., 2013).”
MethodSelf-citation
- Authors
- Rüter, J., Kammer, T., & Herzog, M. H.
- Affiliations
- École Polytechnique Fédérale de Lausanne (CH)
- Universität Ulm (DE)
- Venue
- European Journal of Neuroscience
- Publisher
- Wiley
- Published
- 2010-10-29
- Volume
- 32
- Issue
- 11
- Pages
- 1951-1958
- ISSN
- 0953-816X (ISSN-L)
- 1460-9568
- OpenAlex
- W2124806091
- Cited by
- 11
- References
- 1
- Citations by year
- 2026: 1 · 2021: 1 · 2020: 1 · 2019: 1 · 2016: 1 · 2014: 3 · 2013: 2 · 2012: 1
- FWCI
- 0.58
- Type
- journal article
- Language
- en
- Open access
- green
- infoscience.epfl.ch
- Locations
- European Journal of Neuroscience (publishedVersion)
- PubMed (publishedVersion)
- Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
- Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
- Life Sciences › Neuroscience › Neurology › Transcranial Magnetic Stimulation Studies
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
- Keywords
- transcranial magnetic stimulation, feature integration, visual perception, interstimulus interval, occipital cortex, temporal integration, perceptual fusion, neural inhibition
- MeSH terms
- Adult, Female, Humans, Male, Occipital Lobe, Photic Stimulation, Visual Perception, Transcranial Magnetic Stimulation, Young Adult
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