software
BayesianLaterality - Predict Brain Asymmetry Based on Handedness and Dichotic Listening
This R package contains functions for estimating whether a subject is left- or right-dominant for language processing based on the results of dichotic listening experiments and information about handedness.
Description
Functional differences between the cerebral hemispheres are a fundamental characteristic of the human brain. Researchers interested in studying these differences often infer underlying hemispheric dominance for a certain function (e.g., language) from laterality indices calculated from observed performance or brain activation measures . However, any inference from observed measures to latent (unobserved) classes has to consider the prior probability of class membership in the population. The provided functions implement a Bayesian model for predicting hemispheric dominance from observed laterality indices (Sorensen and Westerhausen, Laterality: Asymmetries of Body, Brain and Cognition, 2020, doi:10.1080/1357650X.2020.1769124).
Background
For more background, see the original paper on the method.