“…It is important to note the difference in transduction delays from the eye/ear to the brain, whereby the auditory domain reaches the cortex before the visual domain by approximately 40 ms (Di Russo et al, 2002; Picton, 2010; Schnapf et al, 1987). Therefore, we added a 40 ms delay before the auditory stimulus onset to approximate simultaneous processing in visual and auditory brain regions (Clouter et al, 2017; Wang et al, 2021). However, given that the modulation frequency of 37.5 Hz is relatively fast, just a few milliseconds difference in the transduction delays would cause the phase modulation to fail (for example, 5 ms corresponds to 67.6° at 37.5 Hz).…”