Bitzer, Sebastian; Park, Hame; Maess, Burkhard; von Kriegstein, Katharina; Kiebel, Stefan J.: Representation of Perceptual Evidence in the Human Brain Assessed by Fast, Within-Trial Dynamic Stimuli. In: Frontiers in Human Neuroscience. Jg.14. 2020
Inhalt
- 2.1. Experimental Design
- 2.1.1. Participants
- 2.1.2. Stimuli
- 2.1.3. Procedure
- 2.2. Definition of Momentary and Accumulated Evidence
- 2.3. MEG Data Acquisition and Preprocessing
- 2.4. Source Reconstruction
- 2.5. Statistical Analysis
- 2.5.1. Regression Analyses
- 2.5.1.1. Standard regression analysis
- 2.5.1.2. Expanded regression analyses
- 2.5.1.3. Response-aligned regression analyses
- 2.5.1.4. Normalization
- 2.5.2. Identification of Significant Source-Level Effects
- 2.5.3. Identification of Significant Differences in Correlation Patterns
- 2.6. Code Accessibility
- 3. Results
- 3.1. Participants Integrate Evidence Provided by Single Dot Positions to Make Decisions
- 3.2. MEG Signals Covary With Momentary Evidence at Specific Time Points After Stimulus Update
- 3.3. Correlations With Accumulated Evidence
- 3.4. Sources of Stimulus-Aligned Momentary Evidence Effects
- 3.5. Sources of Stimulus-Aligned Accumulated Evidence Effects
- 3.6. Correlations With Choice Reveal Response-Aligned Build-Up and Separate Motor Response
- 4. Discussion
- Data Availability Statement
- Ethics Statement
- Author Contributions
- Acknowledgments
- Supplementary Material
- References