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LabScribe ERP Analysis Module Logo (LS-ERP)

LabScribe ERP Analysis Module

The ERP Analysis Module is an add-on to LabScribe software that is designed for studying event-related potentials (ERPs). An ERP occurs in response to a specific stimulus (sensory, cognitive, or motor) and represents the time-locked average of EEG activity collected over many repeated trials. By averaging multiple responses to the same event, the module reduces the inherent noise present in EEG signals, allowing the stimulus-related potential to be clearly visualized and analyzed.

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SKU: LS-ERP Category:

Measurements

  • Automatically place marks in the record when stimuli are presented using Macros.
  • Play sounds or display images and videos as part of predefined experimental protocols.
  • Use marks to quickly locate events or selections of interest.
  • Set pre-stimulus and post-stimulus periods.
  • Use up to six cursors for measurements.
  • Set the baseline to zero, prestimulus mean, or mean.
  • Calculate responses as Max, Min, Mean, or Max–Min within a selected region.
  • Export data tables, calculations, and graphs.
  • Export raw data in text, EDF, or MATLAB formats for post-processing in EEG analysis software.
  • Use the Experiment Builder capabilities of LabScribe to present a Audio-Visual stimulus and record the EEG.
  • Integrates with external tools such as ePrime, OpenSesame, and PsychoPy.
labscribe - Sample ERP Data Channel1ERP Channel2Stimulus
Sample ERP Data
ERP Analysis Window
Average ERP Response
labscribe - ERPModule Stimulus1
Stimulus 1: 600 Hz
labscribe - ERPModule Stimulus2
Stimulus 2: 900 Hz

The analysis capabilities of LabScribe can be extended by using various open source EEG analysis programs such as:

  • EEGLAB: An interactive MATLAB toolbox for processing continuous and event-related EEG, MEG and other electrophysiological data incorporating independent component analysis (ICA), time/frequency analysis, artifact rejection, event-related statistics, and several useful modes of visualization of the averaged and single-trial data.
  • SleepSMG: An open source MATLAB user interface for scoring sleep and comparing sleep scores across individuals.

Manual

 

The Complete LabScribe manual can be found by navigating to the LabScribe toolbar and selecting “Help” > “Help (Manual)”

Tutorial Video

How to analyze ERP data with the Advanced ERP Analysis Module, an Add-On to LabScribe Software.

Citations

Systems

Features

  • Includes LabScribe’s built-in stimulus presentation/experiment builder software like ePrime, OpenSesame, psychopy etc.
  • Play sound, display images or videos as part of predefined experimental protocols using macros.
  • Use marks to locate the stimuli
  • Export of data in text, EDF or MATLAB format allows for post-processing with many EEG analysis programs
  • Integrates with other stimulus presentation experiment builder software such as OpenSesame

LabScribe ERP manual

ERP Analysis Window

Selection and Measurements

  • Place Marks in the record when the stimulus is presented. These marks can be used to locate the selection of interest.
  • the Baseline can be set to zero or an max, min or mean of a selection of data.
  • The Response can be calculated as a Max, Min, Mean, or Max-Min of a region in the selection.
  • 6 cursors are provided to make measurements from 6 locations in the selection.
  • The calculations as well as the graphs can be exported out.
ERP settings

The analysis capabilities of LabScribe can be extended by using various open source EEG analysis programs such as:

EEGLAB :  EEGLAB is an interactive MATLAB toolbox for processing continuous and event-related EEG, MEG and other electrophysiological data incorporating independent component analysis (ICA), time/frequency analysis, artifact rejection, event-related statistics, and several useful modes of visualization of the averaged and single-trial data.

SleepSMG:  an open source MATLAB user interface for scoring sleep and comparing sleep scores across individuals.

Citations

Papers about EEG using iWorx systems on Google Scholar

Papers about ERP using iWorx systems on Google Scholar

Symbol Processing in the Blink of an Eye: an EEG Study :
by Isaiah Cushman, Gemma Francisco, Michelle Kang, and Nick Taylor, of Irvine Valley College

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