  Returning to the main theme, it is by no means necessary to be a sense-datum theorist in order to believe that there are systematic correlations between the temporal properties of experiences and their contents. If my clock goes TICK-TICK-TICK I will hear TICK-TICK-TICK, with the order and temporal separation of the outer events being mirrored – in a generally faithful manner – by the order and temporal separation of my experiences (or the contents they are carrying). Or so it seems plausible to suppose: as external events occur they are detected (after some delay) by our sensory organs, and when the resulting signals reach the brain they trigger experiences, with the order of the experiences (or their contents) reflecting the order of the relevant events.