Erratum: Jogan and Stocker, Signal Integration in Human Visual Speed Perception

In the article “Signal Integration in Human Visual Speed Perception” by Matja？ Jogan and Alan A. Stocker, which appeared on pages [9381–9390][1] of the June 24, 2015 issue, two errors were discovered and are corrected below. 1. In Materials and Methods, Stimulus calibration, second column