SSVEP File Writer

Component Type: Actuator (Subcategory: Brain Computer Interface)

This plugin writes to a text file the 4 EEG channels along with a software trigger received through the event listener ports. This file is lately analyzed by the ProtocolSSVEPTrain plugin to obtain the optimus frequencies to be used on the SSVEP detection.

Screenshot: SSVEPFileWriter plugin

SSVEPFileWriter plugin

Input Port Description

  • filename [string]: Name of the file to be saved.
  • channel1 to channel4 [integer]: Input EEG signal from channels 1 to 4.
  • StimulationFrequency [integer]: If a stimulation frequency value is received before the StarStimulation Event the stimulation freqeuncy is appended to the name of the output file to be saved.

Event Listener Description

  • StartTrial: An incoming event at this port starts the file writer process.
  • StopTrial: An incoming event at this port stops the file writer process.
  • StartStimulation: An incoming event at this port sets the trigger channel to the corresponding stimulation frequency value in Hz.
  • StopStimulation: An incoming event at this port sets the trigger channel to zeros.

Properties

  • DefaultFileName [string]: The default file name.

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