Instantaneous frequency profiles of theta cycles
This dataset contains the local field potentials recorded from 10 tetrodes located in the mouse dorsal CA1 hippocampus and the simultaneous movement tracking data for two recording sessions, from each of three mice. There are three subdirectories, each containing four datafiles: two raw 64-channel .eeg files (binary file; 1,250Hz sampling; hence, sample interval is 800 microsecs) and two .whl files (text file; 39.0625Hz sampling; an ordered list of X,Y locations of the animal; 2-column <float> <float> format).
All data recordings are made during open field exploration. The data runs ending with *_2.eeg and *_2.whl correspond to exploration of a familiar environment and the runs ending with *_5.eeg/*_6.eeg and *_5.whl/*_6.whl correspond to exploration of a novel environment.
Each subfolder contains two meta-data files. A .desel file that reports the location of each tetrode. In this dataset a value of ‘1’ indicates CA1; ‘cx’ indicates cortex. A .par file that describes the acquisition parameters of the dataset, the correspondence between individual channels and tetrodes (max 4 channels per tetrode), and the list of whitelisted channels suitable for further analysis. A commented example of a par file is below (though the actual files do not contain comments)
64 16 # total n_channels n_systembits (int16 values - 2 bytes)
10 #total n_tetrodes
4 0 1 2 3 #1st_tetrode: total n_channels individual_channel_IDs
3 5 6 7 #2nd_tetrode: total n_channels individual_channel_IDs
4 8 9 10 11 #3rd_tetrode: total n_channels individual_channel_IDs
3 12 13 14
4 16 17 18 19
4 24 25 26 27
4 28 29 30 31
4 32 33 34 35
4 36 37 38 39 #10th_tetrode: total n_channels individual_channel_IDs
Example codes for the analysis of this data is available for download at https://github.com/OHBA-analysis/Quinn2021_Waveform
We welcome researchers wishing to reuse our data to contact the creators of datasets. If you are unfamiliar with analysing the type of data we are sharing, have questions about the acquisition methodology, need additional help understanding a file format, or are interested in collaborating with us, please get in touch via email. Our current members have email addresses on our main site. The corresponding author of an associated publication, or the first or last creator of the dataset are likely to be able to assist, but in case of uncertainty on who to contact, email Ben Micklem, Research Support Manager at the MRC BNDU.
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