Table 2 Glossary of terms.

From: A general procedure to measure the pacing of body movements timed to music and metronome in younger and older adults

Acronym or abbreviation

Description

SMS

Sensori motor synchronization

ISI

Inter-stimulus intervals

IRI

Inter-response intervals

IRIerror

Measure of entrainment accuracy expressed as a percentage; Eq. (1)

|IRIerror|

Absolute IRIerror also expressed as a percentage

CoV

Coefficient of Variation indicating within-subject variability of entrainment (i.e., performance stability in relation to the target interval); Eq. (2)

ASYNC±

Measure of synchronization accuracy expressed in ms; Eq. (3)

|ASYNC|

Absolute ASYNC also expressed in ms

ACoV

Coefficient of variation indicating within-subject variability of (i.e., performance stability in relation to the target beat); Eq. (4)

FT

Finger tapping

TT

Toe (foot) tapping

SS

Stepping on the spot