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  • EEG amplifier signal pipeline, and why you (mostly) do not need to worry about aliasing

EEG amplifier signal pipeline, and why you (mostly) do not need to worry about aliasing

An EEG signal goes through various transformations on both the hardware- and software-level before being saved on the hard disk or being displayed on the screen. This article explains the pipeline principles and highlights the difference between user-configurable filters vs. automatic filters that prevent aliasing artifacts by design.

2022-08-26T17:07:02+02:00August 25th, 2022|Categories: 2022, Issue 2/2022, Support & Tips|Tags: , , , , |
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  • Hyperscanning series part 4: How to do hyperscanning with trigger forwarding

Hyperscanning series part 4: How to do hyperscanning with trigger forwarding

In this hyperscanning series, we first introduced our gold standard solution based on BrainAmps, then a wireless solution using CGX Quick headsets and the StimTrigger, as well as the extremely flexible LSL solution. In this fourth part, we demonstrate another hardware-based option: using the trigger mirror mode which can be used with actiCHamp Plus and LiveAmp together with the Sensor & Trigger Extension.

2023-01-24T13:48:52+01:00April 29th, 2022|Categories: 2022, Issue 1/2022, Products & Applications, Support & Tips|Tags: , , , , , , , |
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  • First Steps to Using Carbon Wire Loops (CWLs) to Correct for Artifacts in simultaneous EEG-fMRI

First Steps to Using Carbon Wire Loops to Correct for Artifacts in simultaneous EEG-fMRI

EEG signals acquired in parallel to fMRI data require the handling of artifacts in the EEG dataset due to electrode motion, for example, by blood pulsation. Using carbon wire loops placed on EEG caps allows you to directly measure these artifacts and subsequently correct for them efficiently using a regression-based approach.

2022-03-14T15:59:31+01:00December 4th, 2020|Categories: 2020, Issue 3/2020, User Research|Tags: , , , , , , , , , |
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  • From Movement to Action: An EEG Study into the Emerging Sense of Agency in Early Infancy

From Movement to Action: An EEG Study into the Emerging Sense of Agency in Early Infancy

This study investigates whether 4-month-old infants build causal action-effect models, a prerequisite for a sense of agency. Using behavioral and neural measures of violation of expectation, we found evidence for causal models only in a subset of infants. Thus, the sense of agency is beginning to emerge at this age.

2022-03-14T16:02:05+01:00August 24th, 2020|Categories: 2020, Issue 2/2020, User Research|Tags: , , , , , , , |
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