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B-Alert Gauges Unresponsive

B-Alert in AcqKnowledge 4.4.1 and earlier: Brain State Gauge Surface and Heat Maps are unresponsive during acquisition; colors remain a uniform green (Surface Map) and yellow (Heat Map).

B-Alert-Gauge-color

This is most likely because the “No output into ABM format” option is selected in the B-Alert Data Acquisition Settings. In order for Surface and Heat Map output to be recorded, a valid ABM data file output location must be defined.

Use the following steps to ensure proper Surface and Heat Map operation:

  1. Choose B-Alert menu > Set Up Data Acquisition > Length/Rate.
  2. Click the “Choose ABM data file location” button.
  3. Select the “Output data into ABM data file at:” option, assign a valid file path, and click OK.
  4. Rerun the B-Alert acquisition. The Surface and Heat Map gauges should display the expected color output.
B-Alert Setup Output
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Dyadic Interactions Involving Parents, Children, Couples, and More | Recording from Multiple Participants Part I

Synchronizing Data from Multiple Participants
Performing a dyadic experiment takes more planning than single-participant studies. Data must be tightly synchronized, equipment must remain inobtrusive, and the experimental paradigm drives the optimal setup. Join us to learn how to record high-quality synchronized data for a wide range of applications.

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– How to synchronize data from two participants
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– Practical tips—and advice on working with children
– New ideas about your research

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