Also known as Dynamic Attending Theory (DAT). (See entry for DAT for a lengthier discussion.)
Jone’s temporal perspective model, discussed in London (2012:16), explains the presence of various levels of attention to temporal periodicities, and attempts to describe how they interact. In this model (Jones, 1987), various periodicities coexist, but are anchored to and are perceived relative to a “referent” time period.
London extends Jones’ model: for London, in metric terms, the temporal perspective model describes the interaction between various levels of metric entrainment. The tactus is the “referent” level; the perception and subsequent anticipation of subdivisions (on the low end) and measures/hypermeasures (on the high end) are extrapolated from the tactus.