We surveyed covariates, FASTQ files, SNP array genotypes, RNA degradation metrics obtained with the qSVA methodology20, phenotype information and raw counts (gene, transcript, exon and exon–exon junction) for the caudate nucleus, dentate gyrus, DLPFC and hippocampus from the BrainSeq Consortium10,12 and research.libd.org/dg_hippo_paper/data.html (ref. 11).