MVPA

Figures explaining MVPA concepts

I created these figures to explain concepts related to multivoxel pattern analysis (MVPA). For more information on MVPA, checkout my introduction to MVPA for social neuroscientists at https://academic.oup.com/scan/article/15/4/487/5824852.

Searchlight

Searchlight procedure

Cross-validation procedure

Machine learning example

Left: Procedural diagram for cross-validation. Right: An example of within-subject machine learning using leave-one-run-out.

Below are examples of classification algorithms.

Support vector machines

Linear discriminant analysis

Left: Support vector machines. Right: Linear discriminant analysis.

Nearest neighbor

k-nearest neighbor

Centroid nearest neighbor

Examples of nearest neighbor classification algorithms.

RSA

Representational Similarity Analysis.