Repository for code - Hysteresis Experiment

Code used for the stimulus and data analysis of the study "Identification of competing neural mechanisms underlying positive and negative perceptual hysteresis in the human visual system". DOI:10.1016/j.neuroimage.2020.117153

Authors: Teresa Sousa, Alexandre Sayal, Ricardo Martins, João Duarte, Gabriel Costa

Visual Perception group at the Coimbra Institute for Biomedical Imaging and Translational Research (CIBIT), University of Coimbra, Portugal.

---

Index

1. A_stimulus - stimulus scripts.
2. B_keypress - scripts for analysing keypress data.
3. C_keypress_simulation - scripts for the automatic classification of perceptual history effects.
4. D_Effect block - create protocols with the effect block predictor and create single study design matrices and multistudy design matrices for each effect.
5. E_betaextraction - extract betas per run per subject using javascript and Brainvoyager

TODO

5. Hysteresis comparison between trajectories
6. Figures

---

Requirements

• MATLAB 2015b or higher
• Neuroelf v1.1
• Psychtoolbox 3
• Auxiliary files stored in (folder)