Photosensor data
Posted: Mon Nov 11, 2019 5:16 pm
Hi,
I am using the BioSemi photosensor for the first time and am not sure if we are using it correctly. I have attached one example of data output from the sensor where I have tested it with black/white/gray screen colour changes every 2s. We seem to have very noisy data. The photosensor is attached to the bottom right corner of the monitor.
We want to specifically use it for a visual paradigm to correct for any delay in stimulus triggers and presentation. For the task will use black screen and flash a white box in the corner where the sensor is located every time a stimulus is presented).
I was also wondering if you could provide instructions on the best way to set up and mount the photosensor for testing - in case we are not using the most efficient set up.
I look forward to hearing from you.
Kind regards,
Ciara
I am using the BioSemi photosensor for the first time and am not sure if we are using it correctly. I have attached one example of data output from the sensor where I have tested it with black/white/gray screen colour changes every 2s. We seem to have very noisy data. The photosensor is attached to the bottom right corner of the monitor.
We want to specifically use it for a visual paradigm to correct for any delay in stimulus triggers and presentation. For the task will use black screen and flash a white box in the corner where the sensor is located every time a stimulus is presented).
I was also wondering if you could provide instructions on the best way to set up and mount the photosensor for testing - in case we are not using the most efficient set up.
I look forward to hearing from you.
Kind regards,
Ciara