[AUDITORY] Enquiry on Audio device for stimulus presentation during EEG recording (Akshara Soman )

Subject: [AUDITORY] Enquiry on Audio device for stimulus presentation during EEG recording From: Akshara Soman <0000007e5e64584f-dmarc-request@xxxxxxxx> Date: Mon, 30 Jul 2018 07:06:22 +0000 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY> --_000_BM1PR01MB008331B67EF53A214FB0F47AFF2F0BM1PR01MB0083INDP_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Dear All, The EEG-auditory research papers mention different audio presentation modes= : loudspeaker, over-the-ear headphones (eg: Sennheiser HD 650), insert earp= hones (eg: E-A-RTONE 3A) etc. Loudspeakers are easy to install and comfortable but at the cost of environ= ment noise interferences. Over-the-ear headphones have good noise cancellation capability. But, will = they interfere with EEG recording (electromagnetic interference)? Will it c= ause movement of electrodes during recording? I request suggestions from people who might have already tried this mode. Another option is the insert earphones, which is widely used in audiometric= testing. But I=92m totally clueless about its use, comfortability level, n= oise cancellation etc.? Please share your suggestions on the best type of speaker for the audio pre= sentation during EEG recording. Regards Akshara Soman PhD Scholar LEAP Lab<http://www.leap.ee.iisc.ac.in/> Electrical Engineering IISc Bangalore Web: http://leap.ee.iisc.ac.in/akshara/ Phone: 080-2293-2362 --_000_BM1PR01MB008331B67EF53A214FB0F47AFF2F0BM1PR01MB0083INDP_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DWindows-1= 252"> <style type=3D"text/css" style=3D"display:none;"></style> </head> <body dir=3D"ltr"> <div id=3D"divtagdefaultwrapper" style=3D"font-size:12pt;color:#000000;font= -family:Calibri,Helvetica,sans-serif;" dir=3D"ltr"> Dear All, The EEG-auditory researc= h papers mention different audio presentation modes: loudspeaker, over-the-= ear headphones (eg: Sennheiser HD 650), insert earphones (eg: E-A-RTONE 3A<= span style=3D"font-variant-numeric: normal; font-variant-east-asian: normal= ;">) etc. Loudspeakers are easy to= install and comfortable but at the cost of environment noise interferences= . Over-the-ear headphones = have good noise cancellation capability. But, will they interfere with EEG = recording (electromagnetic interference)? Will it cause movement of electro= des during recording? I request suggestions fr= om people who might have already tried this mode. Another option is the in= sert earphones, which is widely used in audiometric testing. But I=92m tota= lly clueless about its use, comfortability level, noise cancellation etc.?<= /p> Please share your sugges= tions on the best type of speaker for the audio presentation during EEG rec= ording. <div id=3D"Signature"> <div id=3D"divtagdefaultwrapper" dir=3D"ltr" style=3D"font-size: 12pt; colo= r: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-serif, EmojiFont, &q= uot;Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, &q= uot;Segoe UI Symbol", "Android Emoji", EmojiSymbols;"> Regards</= span> <b= r> </= p> <b= >Akshara Soman PhD Schol= ar LEAP&nbsp= ;<a href=3D"http://www.leap.ee.iisc.ac.in/" class=3D"OWAAutoLink" id= =3D"LPNoLP">Lab</a> Electrica= l Engineering IISc Bang= alore Web:&nbsp= ;<a href=3D"http://leap.ee.iisc.ac.in/akshara/" class=3D"OWAAutoLink= " id=3D"LPNoLP">http://leap.ee.iisc.ac.in/akshara/</a> Phone: 08= 0-2293-2362 </div> </div> </div> </body> </html> --_000_BM1PR01MB008331B67EF53A214FB0F47AFF2F0BM1PR01MB0083INDP_--

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DAn Ellis <dpwe@ee.columbia.edu>
Electrical Engineering Dept., Columbia University