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Cortical sensitivity to natural scene structure.
Kaiser D, Häberle G, Cichy RM. Kaiser D, et al. Hum Brain Mapp. 2020 Apr 1;41(5):1286-1295. doi: 10.1002/hbm.24875. Epub 2019 Nov 22. Hum Brain Mapp. 2020. PMID: 31758632 Free PMC article.
Here, we tested how such perceptual effects are reflected in neural sensitivity to scene structure. During separate fMRI and EEG experiments, participants passively viewed scenes whose spatial structure (i.e., the position of scene parts) and categorical structure (i.e., t …
Here, we tested how such perceptual effects are reflected in neural sensitivity to scene structure. During separate fMRI and EEG expe …
Getting to Know You: Emerging Neural Representations during Face Familiarization.
Ambrus GG, Eick CM, Kaiser D, Kovács G. Ambrus GG, et al. Among authors: kaiser d. J Neurosci. 2021 Jun 30;41(26):5687-5698. doi: 10.1523/JNEUROSCI.2466-20.2021. Epub 2021 May 24. J Neurosci. 2021. PMID: 34031162 Free PMC article.
Despite extensive research on the neural representations of familiar faces, we know little about how such representations unfold as someone becomes familiar. In three EEG experiments on human participants of both sexes, we elucidated how representations of face familiarity …
Despite extensive research on the neural representations of familiar faces, we know little about how such representations unfold as someone …
The Neural Dynamics of Familiar Face Recognition.
Ambrus GG, Kaiser D, Cichy RM, Kovács G. Ambrus GG, et al. Among authors: kaiser d. Cereb Cortex. 2019 Dec 17;29(11):4775-4784. doi: 10.1093/cercor/bhz010. Cereb Cortex. 2019. PMID: 30753332
Recent fMRI decoding studies have suggested that face recognition is supported by identity representations located in regions of the occipitotemporal cortex. Here, we used EEG to elucidate the temporal emergence of these representations. Human participants viewed a set of …
Recent fMRI decoding studies have suggested that face recognition is supported by identity representations located in regions of the occipit …
A neural mechanism for contextualizing fragmented inputs during naturalistic vision.
Kaiser D, Turini J, Cichy RM. Kaiser D, et al. Elife. 2019 Oct 9;8:e48182. doi: 10.7554/eLife.48182. Elife. 2019. PMID: 31596234 Free PMC article.
Here we show that the visual system achieves this contextualization by exploiting spatial schemata, that is our knowledge about the composition of natural scenes. We measured fMRI and EEG responses to incomplete scene fragments and used representational similarity analysis …
Here we show that the visual system achieves this contextualization by exploiting spatial schemata, that is our knowledge about the composit …
MEG sensor patterns reflect perceptual but not categorical similarity of animate and inanimate objects.
Proklova D, Kaiser D, Peelen MV. Proklova D, et al. Among authors: kaiser d. Neuroimage. 2019 Jun;193:167-177. doi: 10.1016/j.neuroimage.2019.03.028. Epub 2019 Mar 15. Neuroimage. 2019. PMID: 30885785 Free article.
Recent studies have shown that object animacy can similarly be decoded from MEG sensor patterns. Which object properties drive this decoding? ...These results suggest that MEG sensor patterns do not capture object animacy independently of perceptual differences betw …
Recent studies have shown that object animacy can similarly be decoded from MEG sensor patterns. Which object properties drive this d …
Shape-independent object category responses revealed by MEG and fMRI decoding.
Kaiser D, Azzalini DC, Peelen MV. Kaiser D, et al. J Neurophysiol. 2016 Apr;115(4):2246-50. doi: 10.1152/jn.01074.2015. Epub 2016 Jan 6. J Neurophysiol. 2016. PMID: 26740535 Free PMC article.
In the present study, we used a cross-classification approach on functional MRI (fMRI) and magnetoencephalographic (MEG) data to reveal both category-independent shape responses and shape-independent category responses. ...This analysis revealed significant decoding in bil …
In the present study, we used a cross-classification approach on functional MRI (fMRI) and magnetoencephalographic (MEG) data to reve …
Visual Imagery and Perception Share Neural Representations in the Alpha Frequency Band.
Xie S, Kaiser D, Cichy RM. Xie S, et al. Among authors: kaiser d. Curr Biol. 2020 Jul 6;30(13):2621-2627.e5. doi: 10.1016/j.cub.2020.04.074. Epub 2020 Jun 11. Curr Biol. 2020. PMID: 32531274 Free PMC article.
Using multivariate pattern analysis on human electroencephalography (EEG) data, we compared the oscillatory time courses of mental imagery and perception of objects. ...
Using multivariate pattern analysis on human electroencephalography (EEG) data, we compared the oscillatory time courses of mental im …
The time course of spatial attention during naturalistic visual search.
Battistoni E, Kaiser D, Hickey C, Peelen MV. Battistoni E, et al. Among authors: kaiser d. Cortex. 2020 Jan;122:225-234. doi: 10.1016/j.cortex.2018.11.018. Epub 2018 Nov 28. Cortex. 2020. PMID: 30563703
In daily life, attention is often directed to high-level object attributes, such as when we look out for cars before crossing a road. Previous work used MEG decoding to investigate the influence of such category-based attention on the time course of object category represe …
In daily life, attention is often directed to high-level object attributes, such as when we look out for cars before crossing a road. Previo …
Resolving the time course of visual and auditory object categorization.
Iamshchinina P, Karapetian A, Kaiser D, Cichy RM. Iamshchinina P, et al. Among authors: kaiser d. J Neurophysiol. 2022 Jun 1;127(6):1622-1628. doi: 10.1152/jn.00515.2021. Epub 2022 May 18. J Neurophysiol. 2022. PMID: 35583972 Free PMC article.
Our results show that 1) auditory object category representations can be reliably extracted from EEG signals and 2) a similar representational transition occurs in the visual and auditory modalities, where an initial representation at the individual-object level is followe …
Our results show that 1) auditory object category representations can be reliably extracted from EEG signals and 2) a similar represe …
Tracking cortical representations of facial attractiveness using time-resolved representational similarity analysis.
Kaiser D, Nyga K. Kaiser D, et al. Sci Rep. 2020 Oct 8;10(1):16852. doi: 10.1038/s41598-020-74009-9. Sci Rep. 2020. PMID: 33033356 Free PMC article.
Here, we investigated how rapidly representations of facial attractiveness emerge in the human brain. In an EEG experiment, participants viewed 100 face photographs and rated them for their attractiveness. Using time-resolved representational similarity analysis on the …
Here, we investigated how rapidly representations of facial attractiveness emerge in the human brain. In an EEG experiment, participa …
16 results