Both Pixel and Moby showed grieving behavior when Smokey the Elder died. They transferred their affection for her to each other.

Another piece of evidence that cat senses extend beyond linear space and time: A cyber-pal had done cat rescue for years, and last summer while fighting cancer placed his last foster with another friend. This friend emailed me that the cat pawed her face at a certain time. She later found out that this was the moment when the rescuer had passed away.