Dataset Open Access

EEG Data for: "Cortical oscillations and entrainment in speech processing during working memory load"

Hjortkjær, Jens; Märcher-Rørsted, Jonatan; Fuglsang, Søren Asp; Dau, Torsten


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    <subfield code="a">&lt;p&gt;This repository contains EEG and audio data used and described in:&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Hjortkj&amp;aelig;r, J, M&amp;auml;rcher-R&amp;oslash;rsted, J, Fuglsang, SA, Dau, T (2018). Cortical oscillations and entrainment in speech processing during working memory load. European Journal of Neuroscience.&amp;nbsp;&lt;/strong&gt;&lt;strong&gt;doi&lt;/strong&gt;&lt;strong&gt;:10.1111/ejn.13855&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;Please cite this article when using the data&lt;/p&gt;

&lt;p&gt;&amp;nbsp;&lt;/p&gt;

&lt;p&gt;The MAT-files contain the aligned EEG and audio data for each subject (N=22). The envelopes of the speech audio (without noise) have been extracted as described in the paper. Each file (data_N.mat) contains a Matlab struct in the format of the Fieldtrip toolbox containing the following fields:&lt;/p&gt;

&lt;p&gt;&amp;nbsp;&lt;/p&gt;

&lt;p&gt;data.trial:&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;EEG and audio data for all 40 trials [channels x timepoints]&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;channels 1-64: scalp EEG&lt;/li&gt;
	&lt;li&gt;channel 65: left mastoid electrode&lt;/li&gt;
	&lt;li&gt;channel 66: right mastoid electrode&lt;/li&gt;
	&lt;li&gt;channel 67: horizontal EOG&lt;/li&gt;
	&lt;li&gt;channel 68: vertical EOG for left eye&lt;/li&gt;
	&lt;li&gt;channel 69: vertical EOG for right eye&lt;/li&gt;
	&lt;li&gt;channel 70: audio envelopes&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;data.trialinfo:&amp;nbsp; &amp;nbsp; &amp;nbsp;Experimental condition in each trial&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;1 = low noise, 1-back&lt;/li&gt;
	&lt;li&gt;2 = low noise, 2-back&lt;/li&gt;
	&lt;li&gt;3 = high noise, 1-back&lt;/li&gt;
	&lt;li&gt;4 = high noise, 2-back&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;data.time:&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Sample indices for each trial in seconds&lt;/p&gt;

&lt;p&gt;data.label:&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;Name of each channel in data.trial&lt;/p&gt;

&lt;p&gt;data.fsample:&amp;nbsp; &amp;nbsp; EEG/audio sampling rate in Hz (128)&lt;/p&gt;</subfield>
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