Can earlobe stimulation serve as a sham for transcutaneous auricular vagus stimulation? Evidence from an alertness study following sleep deprivation. - Cheng, Chen; Xue, Xinxin; Jiao, Yunyun; Du, Mengyu; Zhang, Mengkai; Zeng, Xiao; Sun, Jin‐Bo; Qin, Wei; Deng, Hui; Yang, Xue‐Juan (Psychophysiology, 2025)