These data are used and described in the following paper: Jang H.J., Ward R.M., Golden C.E.M., Constantinople C.M. (2025). Acetylcholine demixes heterogeneous dopamine signals for learning and moving. Nature Neuroscience. The data set comprises: 1) Photometry recordings from the nucleus accumbens core in rats. Make a folder named data-published/PhotometryData/GRAB_DA_NAcc and save the files under this folder in order to use visualization scripts provided in the github link below. Raw photometry signals are motion-corrected and pooled across sessions for each rat. Associated behavioral data for each rat are stored in *_bstruct.mat files. Files are Matlab data (.mat) files. The code to analyze this data and generate figures in Jang et al., 2025 is available at {https://github.com/constantinoplelab/published/tree/main/DMS_AChDA}. Data was analyzed using Matlab 2021b.