Spectral Features Based Decoding of Task Engagement: The Role of Theta and High Gamma Bands in Cognitive Control
Spectral Features Based Decoding of Task Engagement: The Role of Theta and High Gamma Bands in Cognitive Control
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基于光谱特征的任务参与解码:Theta 和高伽玛波段在认知控制中的作用
DOI:
10.1109/embc46164.2021.9630923
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Parhi, Keshab K.
中科院分区:
文献类型:
--
作者:
Avvaru, Sandeep;Provenza, Nicole R.;Widge, Alik S.;Parhi, Keshab K.
This paper analyzes local field potentials (LFP) from 10 human subjects to discover frequency-dependent biomarkers of cognitive conflict. We utilize cortical and sub-cortical LFP recordings from the subjects during a cognitive task known as the Multi-Source Interference Task (MSIT). We decode the task engagement and discover biomarkers that may facilitate closed-loop neuromodulation to enhance cognitive control. First, we show that spectral power features in predefined frequency bands can be used to classify task and non-task segments with a median accuracy of 88.1%. Here the features are first ranked using the Bayes Factor and then used as inputs to subject-specific linear support vector machine classifiers. Second, we show that theta (4–8 Hz) band, and high gamma (65–200 Hz) band oscillations are modulated during the task performance. Third, by isolating time-series from specific brain regions of interest, we observe that a subset of the dorsolateral prefrontal cortex features is sufficient to decode the task states. The paper shows that cognitive control evokes robust neurological signatures, especially in the prefrontal cortex (PFC).
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影响因子:
17.7
作者:
Heckers, S;Weiss, AP;Bush, G
通讯作者:
Bush, G
影响因子:
3.6
作者:
Goodman, Steven
通讯作者:
Goodman, Steven
DOI:
10.1176/appi.ajp.2017.16040400
发表时间:
2017-07-01
期刊:
The American journal of psychiatry
影响因子:
--
作者:
McTeague LM;Huemer J;Carreon DM;Jiang Y;Eickhoff SB;Etkin A
通讯作者:
Etkin A
影响因子:
4.3
作者:
Widge AS;Malone DA Jr;Dougherty DD
通讯作者:
Dougherty DD
影响因子:
5.7
作者:
Cooper PS;Karayanidis F;McKewen M;McLellan-Hall S;Wong ASW;Skippen P;Cavanagh JF
通讯作者:
Cavanagh JF