OPPD: Odor Pleasantness Perception Database


On this page you can find the EEG datasets (in MATLAB format) that were used to produce the results in the paper EEG Correlates of Pleasant and Unpleasant Odor Perception. The dataset consists of 5 subjects. The necessary explanatory files are included in the folder. The files published here allow to reproduce the results in the aforementioned paper, but can also be used as a basis for your own research on odor pleasantness perception from EEG signals. Should you use the datasets for your own publications please do not forget to cite our paper.


You can use the OPPD dataset in your research without any conditions, as long as you clearly mention and acknowledge the following paper :

E. Kroupi, A. Yazdani, J.-M. Vesin and T. Ebrahimi. “EEG Correlates of Pleasant and Unpleasant Odor Perception”, ACM Transactions on Multimedia Computing, Communications and Applications (TOMM), 11, no. 1s (2014): 13.

You can download all files and associated subjective ratings from the following FTP:

FTP address: tremplin.epfl.ch
Username: [email protected]
Password: ohsh9jah4T
FTP port: 21

After you connect, choose the OPPD folder from the remote site, and download the relevant material. The total size of the provided data is ~700 MB.

Please see the readme.txt file inside the download folder for the details. You may also check the above paper for some other helpful information.

In case of any problems or questions, please send an email to [email protected]