Etymotic er 3c

Manufactured by Etymotic Research

The Etymotic ER-3C is a professional-grade insert earphone designed for audiometric testing and hearing assessment applications. It provides accurate, repeatable sound delivery for conducting diagnostic evaluations of hearing function.

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Lab products found in correlation

Matlab 2019a, by MathWorks (2 mentions)

2 protocols using etymotic er 3c

EEG Data Acquisition and Auditory Stimulus Presentation

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We recorded EEG data using a 64-channel active sensors system of Brain Products (Brain Products GmbH, Gilching, Germany) in a sound dampened, electrically shielded room. Signals were digitized online at 1000 Hz, high-pass and low-pass at 0.01-Hz and 249-Hz, respectively. Two electrodes, AFz and FCz, were used as ground and reference. All electrodes were placed on the scalp based on the international 10–20 system and the impedance of each one was kept below 5-kΩ.
We presented stimuli using MATLAB 2019a (The MathWorks, Natick, Massachusettts, United States of America) with the Psychtoolbox-3 [96 (link)]. Auditory stimuli were played at 65-dB SPL and delivered through air tubes ear plugs (Etymotic ER-3C, Etymotic Research, Elk Grove Village, Illinois, United States of America). Event markers were sent via a parallel port for tagging the onset of the interested events (i.e., speech onset, task index onset, etc.).

Bai F., Meyer A.S, & Martin A.E. (2022). Neural dynamics differentially encode phrases and sentences during spoken language comprehension. PLoS Biology, 20(7), e3001713.

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Multimodal EEG Recording of Speech Processing

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We recorded EEG data using a 64-channel active sensors system of Brain Products (Brain Products GmbH) in a sound dampened, electrically shielded room. Signals were digitized online at 1000 Hz, high-pass and low-pass at 0.01 Hz and 249 Hz, respectively. Two electrodes, AFz and FCz, were used as ground and reference. All electrodes were placed on the scalp based on the international 10-20 system and the impedance of each one was kept below 5 kΩ.
We presented stimuli using MATLAB 2019a (The MathWorks, Natick, MA) with the Psychtoolbox-3 (Brainard, 1997) . Auditory stimuli were played at 65 dB SPL and delivered through air tubes ear plugs (Etymotic ER-3C, Etymotic Research, Inc.). Event markers were sent via a parallel port for tagging the onset of the interested events (i.e., speech onset, task index onset, etc.).

Bai F., Meyer A.S., & Martin A.E. (2021). Neural encoding of phrases and sentences in spoken language comprehension.

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