A thorough examination of how multiparticipant or large group data recording can be made easy through proper instrumentation selection, experimental planning, and data analysis strategy.

In this second webinar, Frazer Findlay and Alex Dimov discussed some of the challenges, opportunities, and solutions surrounding multiparticipant or large group experiments. When the number of concurrent participants in a study rises to more than 2, more than 10, or even more than 50 – unique and non-obvious challenges arise. Through years of experience in the field, BIOPAC recommended ways to reduce some of the complexity and increase the quality of data collected during these large or multiparticipant experiments. Information was provided about the most appropriate equipment for different experimental scenarios and optimized hardware setup for each use case. These use cases included multi-subject fNIRS, multi-subject virtual reality, large groups within single rooms, large groups of remote subjects, movie theaters and stadiums, and multi-subject cubicle setups featuring the same stimuli. They also focused on subject preparation methods to ensure that you get the best possible data from your subjects.

Key Topics Include:

  • Workflow when recording from multiple participants
  • Synchronizing all data
  • Setting up participants efficiently
  • Tips and tricks for planning ahead
  • Using biopotential data, FNIRS, eye tracking, and more
  • Data monitoring and batch analysis techniques


Frazer Findlay

BIOPAC Systems, Inc

Frazer Findlay is CEO of BIOPAC and has more than 25 years’ experience in life science data acquisition and analysis. Frazer is a well-regarded expert in the physiology monitoring industry and has facilitated workshops around the world. He is familiar with a variety of software, equipment, and laboratory protocols for a wide array of signals and measurements.

Alex Dimov

European Sales Manager & fNIR Expert
BIOPAC Systems, Inc

Alex Dimov (BIOPAC Systems, Inc.) has been teaching workshops on the topic of physiological data acquisition and analysis for nearly 15 years. While at UC Santa Barbara he was an instructor for The Advanced Training Institute for Virtual Reality in Social Psychology. He joined BIOPAC as an application specialist and now oversees European Sales for BIOPAC.

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