Extended Data Table 1.

Chi-square test for relationship between CSD early sink identification and brain region

After calculation, values were converted to percentages. Actual values and percentages for each cell are shown. Expected percentages are in parentheses. Chi-square statistic for each cell is shown in square parentheses. Generally, more probes than expected had identifiable CSD sinks in visual areas V4, MST and MT, and fewer probes than expected had identifiable CSD in higher-order areas PFC and LIP.