Cited by 37Neural dynamics and brain functionEEG and Brain-Computer InterfacesNeuroscience and Music Perception

Event-related prolongation of induced Eeg rhythmicities in experiments with a cognitive task.

Kolev, Vasil, Schurmann, Martin·1992·International Journal of Neuroscience

Abstract

Since we consider evoked potentials (EPs) and event-related potentials (ERPs) as an ensemble of induced rhythmicities we investigated "sensory" evoked potentials (EPs) and "cognitive" event-related potentials (ERPs) with respect to their frequency components (around 5 Hz and around 10 Hz). "Sensory" EP sessions consisted in standard EP measurements with tone bursts of 2000 Hz frequency. Prior to the subsequent "cognitive" sessions, the subjects were instructed to expect frequent 2000 Hz tones and rare 1950 Hz tones, the rare tones thus being difficult to detect. A further instruction was to count the number of the "rare" stimuli. Not a single tone of different frequency, however, was presented. The single trials were then analyzed with respect to their 5 Hz and 10 Hz components. Time-locking was investigated using a modified single sweep wave identification (SSWI) method. Depending on features of the prestimulus EEG, it was observed that theta (4-7 Hz) and alpha (7-13 Hz) responses were prolonged in the case of "cognitive" sessions. We believe that the prolonged endogenous ERP components are induced rhythmicities triggered by additional information processing, when a high degree of uncertainty has to be resolved during our experimental conditions. For the analysis and visualization of these phenomena, the combination of digital filtering and SSWI showed relevant advantages in comparison to other methods.

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Crossref · 10.3109/00207459208994785

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  • EEG based on VEP paradigms prefer to employ the time-series signal as input, which has the strict requirement of being time-locked and contains more obvious features in time sequence.

    “While the EEG based on VEP paradigms prefer to employ the time-series signal as the input, which has the strict requirement of being time-locked and contains more obvious features in time sequence (Basar et al., 1995; Kolev and Schurmann, 2009; Meng et al., 2014).”

    From Data Augmentation for Deep Neural Networks Model in EEG Classification Task: A Review (2021) · cites this paper as Kolev and Schurmann, 2009

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Authors
Kolev, V., & Schurmann, M.
Affiliations
Bulgarian Academy of Sciences (BG)
Venue
International Journal of Neuroscience
Published
1992-01
Volume
67
Issue
1-4
Pages
199-213
ISSN
  • 0020-7454 (ISSN-L)
  • 1543-5245
OpenAlex
W2105498759
Cited by
37
References
25
Citations by year
2025: 2 · 2023: 1 · 2021: 1 · 2019: 1 · 2014: 1 · 2012: 1
FWCI
0.63
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cognitive Neuroscience › EEG and Brain-Computer Interfaces
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
Keywords
event-related potentials, evoked potentials, cognitive tasks, theta oscillations, alpha rhythm, prestimulus EEG, frequency components
MeSH terms
Acoustic Stimulation, Adult, Alpha Rhythm, Brain, Cognition, Electroencephalography, Evoked Potentials, Auditory, Female, Humans, Male, Periodicity

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