The attentional blink (AB) paradigm is widely used to study visual temporal attention. An important feature of the standard AB paradigm is repetitive visual stimulation. more precisely the rapid serial visual presentation (RSVP) of numerous distracters interspersed with two targets. The RSVP stream is likely to result in entrainment of visual cortex. https://www.roneverhart.com/Apple-Watch-Series-6-GPS-Cellular-40mm-Silver-Aluminum-w-White-Sport-Band/