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@@ -9,7 +9,7 @@ Kropff E., Carmichael J.E., Moser E.I. and Moser M-B.
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-The raw data in Axona format was compressed using 7-zip. It includes one folder per animal with tracked position (.pos), one 4.8 KHz sampled eeg per tetrode (.egfx), setup file (.set) and log files for car experiments (.log). For animals with 2 .egfx files per day, all data is entorhinal. For animals with 3 .egfx files per day, .egf is hippocampal while .egf2 and .egf3 are entorhinal. Always .egf is for tetrodes 1 to 4, .egf2 for tetrodes 5 to 8 and .egf3 for tetrodes 9 to 12. Filenames contain the date and session number following the format YYMMDDSS (YY = year, MM = month, DD = day, SS = session number).
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+The raw data in Axona format was compressed using 7-zip. It includes one folder per animal with tracked position (.pos), one 4.8 KHz sampled eeg per tetrode (.egfx), setup file (.set) and log files for car experiments (.log). For animals with 2 .egfx files per session, all data is entorhinal. For animals with 3 .egfx files per session, .egf is hippocampal while .egf2 and .egf3 are entorhinal. Always .egf is for tetrodes 1 to 4, .egf2 for tetrodes 5 to 8 and .egf3 for tetrodes 9 to 12. Filenames contain the date and session number following the format YYMMDDSS (YY = year, MM = month, DD = day, SS = session number).
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Log files for car sessions have two columns. The first column indicates the timestamp in milliseconds. The second column indicates the type of event occurring at that timestamp. Events can be either alarm_x, start_x, end_x or a number indicating car speed, x taking values r (right) or l (left). The alarm event corresponds to the beginning of a sound played for 6 seconds before the car starts moving. Consecutive start and end events demark one run along the 4 m track in either left or right direction. Each number event is a signal sent at that moment to the motor controlling the car. It is expressed in arbitrary units that can be converted to actual car speed multiplying the value by a factor of 0.35.
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