Approaching a cadence in tonic could be felt as a deceleration. These dissonances distort the meter and even though they are distortions, they are a part of a bigger pulse, which remains steady. Berry's next issue is preconditioning in metric fluctuation. Preconditioning occurs when a recurrent motive or rhythm establishes a feel for the listener. The article discusses how certain types of groupings or motives when heard repeatedly can create ambiguity in knowing where beat one is.
Berry talks about.
Meter may influence harmonic gestures and visa versa. This is especially important to investigate for performance practice. Interpretation may rely not only on the harmonies, but the context with which the harmonies are in. The last issue of the first major section of the article discusses metric structure at underlying levels. One may explore if meter exists at larger levels.