This ultradian cycle is used to induce depression in mice without altering their sleep amount. Unfortunately it's not possible to set up this T7 cycle on a classical 24h timer clock placed in my circadian rhythm cabinet. I thus would like to know what kind of device you need/use to plug your light sources in order to get an indefinitely repeated 3.5h light/3.5 dark sequence.
Hi Olivier,
We did similar experiment published recently (http://dx.doi.org/10.1016/j.physbeh.2016.04.017) exposing birds to T7 with restricted feeding cycle. We used multi channel timer which has 102 place, so you can feed time for a weak and every 8th day the light onsite time is similar to day 1. So, you need multi channel timer in which you can feed onset and offset specific of days. drop me an email at [email protected], I can forward you my time sheet I used for experiment.
Hi Devraj,
Thank you for reply. Could please you send me a reference or a web link to this multi channel timer you were using ? I found many on the web but not sure which one are reliable for long lasting experiments.
Cheers,
Olivier.
sorry for the spam... Does someone of you have a good description about what means ultradian light cycle? I was reading a paper and I dont have idea about how it works...
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