“…Time measurement has also been shown to have quite different properties at these two duration ranges. For instance, psychophysical characteristics differ (Gibbon, Malapani, Dale, & Gallistel, 1997), pharmacological agents (Mitriani, Shekerdijiiski, Gourevitch, & Yanev, 1977;Rammsayer, 1999) and the distraction of attention in dual task scenarios (Rammsayer & Lima, 1991) can have differential influence (but see Macar, Grondin, & Casini, 1994), while lesions to specific brain areas elicit differential impairments (Clarke, Ivry, Grinband, Roberts, & Shimizu, 1996). Based on these observations, several authors (Gibbon et al, 1997;Hazeltine, 1997;Ivry, 1996;Lewis & Miall, 2003;Rammsayer, 1999) have hypothesised that time intervals in the millisecond and multisecond ranges are measured by independent brain mechanisms.…”