Table 2. Melodic performance measures in both groups at each timepoint.

A
SESS 1	Abs. Error (0)	Abs. Melody Contour Error (0)	Contour Score (4)	Abs. Interval Magn. (50)	Abs. Interval Diff. (0)
control	78.23±13.09	65.99±6.69	3.77±0.06	101.34±6.29	60.15±6.29
trained	65.42±23.55	54.09±9.03	3.67±0.23	92.16±8.27	54.16±13.01
SESS 2
control	76.67±8.15	69.13±6.25	3.83±0.05	104.89±4.98	61.58±5.51
trained	47.77±8.78	52.90±9.91	3.79±0.18	87.10±4.20	45.28±7.56

Group means (± S.E.) are listed for 50-cent (A) and 100-cent (B) melodies, and perfect performance in each measure is indicated in parentheses. For descriptions of how each measure was calculated, refer to the Materials and Methods, Behavioral analyses section.