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About hc-16

Information about the hc-16 data set.


Results from these data are reported in Talbot et al., (in press), Dvorak et al., (in press) as well as BioRxiv doi: and BioRxiv doi:, respectively.

The data are extracellular single unit action potential, spike trains recorded from the hippocampus CA1 region of freely-behaving wild-type (WT) and Fmr1-null mice. The recordings were made using tetrodes and the Axona dacqUSB recording system, while the mice explored open field environments. Spike sorting was performed manually and single unit isolation quality was quantified using the IsoIBG and IsoINN measures (Neymotin et al., 2011).


Dvorak D, Radwan B, Sparks FT, Fenton AA (in press) Control of recollection by competition between slow and medium gamma in hippocampus CA1. PloS Biology.

Neymotin SA, Lytton WW, Olypher AV, Fenton AA (2011) Measuring the Quality of Neuronal Identification in Ensemble Recordings. J Neurosci 31:16398-16409.

Talbot ZN, Sparks FT, Dvorak D, Fenton AA (in press) Normal place fields but hyper stable temporal coordination within the CA1 network of a mouse model of Fragile X Syndrome. Neuron.

Format of the data

The data are stored in a custom binary format. Details are given in the data description document listed at the bottom of this page.  Total data size is about 500 MB.

Conditions for using the data

If you publish any work using the data, please cite the publications Talbot et al. and Dvorak et al., above and also cite the data set using the following:

Sparks, F.T., Talbot, Z.N., Dvorak, D., Fenton, A.A. (2017); Extracellular CA1 spike trains recorded from Fmr1-null and wild-type mice during free exploration in a variety of environments that include a small and a large box, a ring, and a circular open field that is either stationary or rotating.

The above citation uses a Digital Object Identifier (DOI) which is assigned to the data set.  The DOI was created using DataCite ( and the California Digital Library, "EZID" system (

How to download the data

The data may be downloaded from:
Using a account.  See the download link for more information about downloading.

Getting help using the data.

If you have questions about using the data, post them on the forum for using data sets.

Documentation files


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