The research group has constructed a valuable neuroimaging database of more than 60 individuals who underwent Decoded Neurofeedback training. This database consists of structural images of the brain, functional images of the brain, machine learning decoders, and additional processed data. Anyone who wants to use the dataset must apply through the ATR institutional repository  or Synapse , an online repository of neuroscientific data. The details on how to access the dataset are specified in the original publication as well as on the ATR and Synapse websites.
 ATR institutional repository  Synapse
Cortese A, Tanaka SC, Amano K, Koizumi A, Lau H, Sasaki Y, Shibata K, Taschereau-Dumouchel V, Watanabe T, Kawato M. " The DecNef collection, fMRI data from closed-loop decoded neurofeedback experiments " Scientific Data.
The original five studies included in the dataset are listed below:
Study 1: Shibata K, Watanabe T, Kawato M, Sasaki Y (2016) Differential activation patterns in the same brain region led to opposite emotional states: PLoS Biol. 14(9): e1002546. doi: 10.1371/journal.pbio.1002546.
Study 2: Amano K, Shibata K, Kawato M, Sasaki Y, Watanabe T (2016) Learning to associate orientation with color in early visual areas by associative decoded fMRI neurofeedback. Curr Biol. 26(14):1861-1866. doi: 10.1016/j.cub.2016.05.014.
Study 3: Koizumi A, Amano K, Cortese A, Shibata K, Yoshida W, Seymour B, Kawato M, Lau H (2016) Fear reduction without fear through reinforcement of neural activity that bypasses conscious exposure. Nat Hum Behav. 1:0006. doi: 10.1038/s41562-016-0006.
Study 4: Cortese A, Amano K, Koizumi A, Kawato M, Lau H (2016) Multivoxel neurofeedback selectively modulates confidence without changing perceptual performance. Nat Commun. 7:13669. doi: 10.1038/ncomms13669.
Study 5: Taschereau-Dumouchel V, Cortese A, Chiba T, Knotts JD, Kawato M, Lau H (2018) Towards an unconscious neural reinforcement intervention for common fears. Proc Natl Acad Sci USA. 115(13):3470-3475. doi: 10.1073/pnas.1721572115.
Nonconscious brain modulation to remove fears, increase confidence
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Beauty is in the brain: AI reads brain data, generates personally attractive images[Press-News.org] Nonconscious brain modulation to remove fears, increase confidence
Researchers release large dataset on machine learning-based brain training