update README 3

README.md

@@ -4,17 +4,22 @@ Mouse ephys data for article "Neural correlates of anesthesia in newborn mice an
 We provide ~200 Gb of data recorded from hippocampus and prefrontal cortex of 35 mice. Age is comprised betwwen 8 and 10 postnatal days.
 
 Channels:
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     - hippocampus: 5 channels are given, the reversal channel and two channels above/below. 
     Channel 1 is the most superficial and channel 5 the deepest. 
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     - prefrontal cortex: 16 channels recorded with a 4x4 4-shank electrode. 
     Channels 1 to 4 are the most medial ones and channels 13 : 16 the most lateral.
     The probe spans from layer II to layer V/VI of the prelimbic section of the prefrontal cortex. 
     Channels 1-5-9-13 are the most superficial, and 4-8-12-16 the deepest.
 
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 Anesthesia:
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     - urethane recordings: for these recordings, two .mat files per recording per area are provided. 
     One is a 15 minutes recording without anesthesia (PFC and HP), and the second one is 45 minutes 
     of recording after intraperitoneal injection of urethane.
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     - isoflurane recording: for these recordings, only one .mat file per area is provided. 
     The length is 60 minutes. The first 15 minutes are without anesthesia. 
     Anesthesia is then stepwise increased (1-2-3%) every 15 minutes.