how to get info from output of load_open_ephys_data.m?

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Jul 13, 2021, 9:34:42 PM7/13/21

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Hi all,

I'm beginner and sorry for very easy question.

We are going to start electrophysiology via Open-Ephys systems.

So, I've tried to study electrophysislogy and Open Ephys.

Currently, I've followed 'Building a signal chain' in open-ephys.github.io. and imported data to MATLAB by 'load_open_ephys_data.'

And I can get 411648X1 matrix for .continuous and 4385X40X2 matirx for .spikes.

I'm unsure how this array is organized and what the values correspond to.

Can you give me any informations or advice..?

Thank you,

Seongjae hong.

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Jul 28, 2021, 10:28:03 PM7/28/21

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Hi Seongjae,

In your case, the .continuous matrix contains 411,648 data samples. If you were sampling at 40kHz, this matrix represents a ~10 second recording.

The .spikes matrix contains 4385 spikes, with 40 samples per spike and 2 channels per spike.

I'd suggest taking a look at the more recent open-ephys-matlab-tools which hopefully provide a more intuitive interface for loading/processing data.