Data and code for "Preparatory spatial alpha coding is stronger in early adolescence than adulthood"

Data and analysis code accompanying the manuscript “Preparatory spatial alpha coding is stronger in early adolescence than adulthood.” This repository contains processed behavioral and EEG-derived data, source data for figures, MATLAB and R analysis scripts, a data dictionary, and reproduction instructions. The package supports the analyses and figures described in its documentation. Raw EEG recordings are not included. Please consult README.md and code/README_CODE.md for file organization, software requirements, reproduction scope, and limitations.