KCNK3 and Alzheimer disease: In addition, a significant GROUP × TASK interaction (F(2, 31) = 3.6, p = 0.04) revealed that WR differences among groups were limited to short time bisection task: WR for short intervals was significantly lower for young controls (0.13 ± 0.02 ms) than for both elderly subjects (0.23 ± 0.02, p = 0.004) and AD patients (0.29 ± 0.04, p = 0.00006).