Supplementary Material for the Springer Neuromethods book chapter "*Definition, modeling and detection of saccades in the face of post-saccadic oscillations*" by Richard Schweitzer and Martin Rolfs can be found in this repository.
The article appeared as a book chapter, which can be cited as: **Schweitzer, R. & Rolfs, M. (2021). Definition, modeling and detection of saccades in the face of post-saccadic oscillations. In: *Eye-tracking: background, methods and applications* (ed. S. Stuart). SpringerNature Neuromethods.**
The manuscript can be found here: https://doi.org/10.1101/2021.03.24.436800 (preprint) and https://doi.org/10.1007/978-1-0716-2391-6_5 (book chapter)
For modeling code, saccade simulator, and detection algorithms, see: https://github.com/richardschweitzer/PostsaccadicOscillations
For an interactive visualization of the model proposed by Bouzat et al. (2018) and Del Punta et al. (2019), see: https://richardschweitzer.shinyapps.io/pso_fitting_example/
Parsed handlabeled data can be found in the "Data" Folder:
- Binocular microsaccades at 1000 Hz (Hauperich et al., 2020), retrieved from: https://doi.org/10.16910/jemr.12.6.13
- Free-viewing saccades recorded with a SMI Hi-speed eye tracking system at a sampling rate of 500 Hz (Larsson et al., 2013), retrieved from: http://dev.humlab.lu.se/www-transfer/people/marcus-nystrom/annotated_data.zip
- GazeCom dataset (Dorr et al., 2010) - not used in the book chapter, retrieved from: https://www.inb.uni-luebeck.de/index.php?id=515
Other data:
- Extract of scleral search-coil and video-based co-registration data (Drewes et al., 2012), provided personally by Jan Drewes, made available in raw (.mat) and parsed (.rda) format.
All analysis code performed for the book chapter and resulting data can be found in the "Analysis" folder. To see the main R markdown file, go directly to: https://osf.io/zejuv/
An amazing slow-motion video of a saccade recorded with a Phantom high-speed camera at 7300 fps can be found at: https://osf.io/23798/
**References**
S. Bouzat, M. L. Freije, A. L. Frapiccini, and G. Gasaneo. Inertial movements of the iris as the origin of postsaccadic oscillations. *Physical review letters*, 120(17):178101, 2018.
J. A. Del Punta, J. Adriana, K. V. Rodriguez, G. Gasaneo, and S. Bouzat. Models for saccadic motion and postsaccadic oscillations. *Physical Review E*, 99(3):032422, 2019.
M. Dorr, T. Martinetz, K. Gegenfurtner, and E. Barth. Variability of eye movements when viewing dynamic natural scenes. *Journal of Vision*, 10(10):1-17, 2010.
J. Drewes, G. S. Masson, and A. Montagnini. Shifts in reported gaze position due to changes in pupil size: ground truth and compensation. *In Proceedings of the symposium on eye tracking research and applications*, pages 209–212, 2012.
L. Larsson, M. Nyström, and M. Stridh. Detection of saccades and postsaccadic oscillations in the presence of smooth pursuit. *IEEE Transactions on biomedical engineering*, 60(9):2484–2493, 2013.
A.-K. Hauperich, L. K. Young, and H. E. Smithson. What makes a microsaccade?
a review of 70 years research prompts a new detection method. *Journal of Eye Movement Research*, 12(6), 2020.
R. Schweitzer and M. Rolfs. Definition, modeling and detection of saccades in the face of post-saccadic oscillations. *bioRxiv*, 2021.03.24.436800, 2021. doi: 10.1101/2021.03.24.436800
