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About alm-2.

Description of dataset alm-2 (anterior lateral motor cortex 2).

Summary of the data

This is the calcium imaging data set described in Li, N., Chen, T.W. et al Nature 2015. These dataset contains calcium imaging data from the anterior motor cortex (ALM) in mice performing a tactile delay-response task. The raw data consists of images, while the processed data consists of fluorescence transients of individual ROI, the identity of imaged cells (PT or IT), and behavioral variables (object location, licking direction etc.).   The data is from four animals and includes 59 recording sessions.  Results from the experiments are described in:

Nuo Li, Tsai-Wen Chen, Zengcai V. Guo, Charles R. Gerfen & Karel Svoboda.   A motor cortex circuit for motor planning and movement.  Nature 519, 51–56 (05 March 2015) PMID: 25731172 doi: 10.1038/nature14178


Format of the data

For each session there is a matlab file containing the meta data describing the session and another matlab file containing the processed data.  In addition, all of the original raw imaging files are provided in .tif format.  Total size of all the matlab files is about 580MB.  Total size of the raw image files is about 201 GB (compressed).  Matlab scrips to generate some figures in the Li, Chen et. al. 2015 (Nature) paper are included.  Details of the data format are in the data description document.

Conditions for usage of this data in publications

If you publish any work using the data, please cite the Nuo Li, et. al., publication above and also cite the data set in the following recommended format:

Tsai-Wen Chen, Nuo Li, Charles R Gerfen, Zengcai V. Guo, Karel Svoboda (2016); Calcium imaging responses from anterior lateral motor cortex (ALM) neurons of adult mice performing a tactile decision behavior.

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

Data may be downloaded from:
A account is required. See the download link for more instructions.

Getting help using the data

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

Documentation files


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