The dataset is a zip archive. It contains normalised gene expression values in brain regions available from Allen Brain Atlas http://human.brain-map.org.
This archive contains normalized microarray expression values as well as probe and sample metadata necessary for analysis, altogether there are four files. The details about normalization procedure are provided in the technical white paper http://help.brain-map.org/display/humanbrain/Documentation
Funding
European Union’s Seventh Framework Programme for research, technological development and demonstration under grant agreement No 305299