Density of Connections (IMAGE) American Institute of Physics Caption This image shows the density of connections between cortical areas classified as absent of connection (white), sparse (red), intermediate (blue), and dense (green). The percentages correspond to the amount of intra and inter connections in relation to the total connectivity matrix. Credit Kelly C. Iarosz, figure based on experimental data obtained by Scannell <i>et. al</i>. (1995). Usage Restrictions With proper attribution License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.