Izvestiya VUZ. Applied Nonlinear Dynamics
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Izvestiya VUZ. Applied Nonlinear Dynamics, 2022, Volume 30, Issue 1, Pages 57–75
DOI: https://doi.org/10.18500/0869-6632-2022-30-1-57-75
(Mi ivp463)
 

NONLINEAR DYNAMICS AND NEUROSCIENCE

Influence of "sensory prehistory" on the ambiguous stimuli processing in the human brain

A. K. Kucab, V. A. Maksimenkoabc, A. E. Khramovabc

a Immanuel Kant Baltic Federal University, Kaliningrad, Russia
b Innopolis University, Republic of Tatarstan, Russia
c Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
References:
Abstract: Purpose of this work is to study the effect of previous sensory information on the brain's processing of current visual stimuli. Bistable images (Necker cubes) with a high degree of ambiguity (HA) and a low degree of ambiguity (LA) were used as visual stimuli. Methods. In this paper, we used wavelets to identify features of the brain activity signals. A multivariate analysis of variance was used to compare behavioral characteristics. Spectral power and event-related spectral perturbations were compared via a cluster-based permutation test using the FieldTrip package for Matlab. Results. We found that when the HA stimuli followed the LA stimuli, the activity of neurons in the sensory areas decreased in the early processing stage but increased in the later stages. This result confirmed the hierarchical organization of processing, where the low levels processed the details of the stimulus, and the high levels represented its interpretation. We supposed that processing of HA and LA stimuli was similar at low levels due to their similar morphology. Therefore, the brain might use the LA stimulus template at low levels to reduce the demands when processing the details of the HA stimulus. When the LA stimulus followed the HA stimulus, a weakened response in the sensory regions accompanied a high response in the frontal cortex. It reflected activation of the top-down cognitive functions, detecting a mismatch between the LA stimulus and the HA stimulus template. Conclusion. These results expanded the existing knowledge about the sensory processing mechanisms.
Keywords: ambiguous stimuli, stimulus template, processing hierarchy, EEG, predictive coding theory.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation НШ-2594.2020.2
MK-1760.2020.2
Russian Foundation for Basic Research 19-32-60042
Alexander Hramov was supported by the Council for Grants of the President of the Russian Federation (NSh-2594.2020.2) in formulating the hypothesis. Vladimir Maksimenko received support from the Russian Foundation for Basic Research (19-32-60042) in the development of an experimental paradigm and analysis of behavioral data. Alexander Kuc was supported by the Council for Grants of the President of the Russian Federation (MK-1760.2020.2) in the EEG data analysis.
Received: 27.06.2021
Bibliographic databases:
Document Type: Article
UDC: 530.182
Language: Russian
Citation: A. K. Kuc, V. A. Maksimenko, A. E. Khramov, “Influence of "sensory prehistory" on the ambiguous stimuli processing in the human brain”, Izvestiya VUZ. Applied Nonlinear Dynamics, 30:1 (2022), 57–75
Citation in format AMSBIB
\Bibitem{KucMakKhr22}
\by A.~K.~Kuc, V.~A.~Maksimenko, A.~E.~Khramov
\paper Influence of "sensory prehistory" on the ambiguous stimuli processing in the human brain
\jour Izvestiya VUZ. Applied Nonlinear Dynamics
\yr 2022
\vol 30
\issue 1
\pages 57--75
\mathnet{http://mi.mathnet.ru/ivp463}
\crossref{https://doi.org/10.18500/0869-6632-2022-30-1-57-75}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=3758886}
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