Characteristics of the participants with respect to hand preference and manual performance.

Values are given as mean and standard deviation.
aLaterality quotient (LQ =  (Right-Left)/(Right+Left)×100) derived from self-report of hand preference with the Edinburgh Hand Inventory.
bLaterality index derived from performance in the Grooved Pegboard Test (GPT)) reflecting right-left asymmetries in dexterity (Dextli = Right-Left)/(Right+Left )×100).
cLaterality index derived from performance in the Finger Tapping Test (FTT) reflecting right-left asymmetries in speed of execution (Speedli = (Right-Left)/(Right+Left )×100).
Abbreviations: M: Male; F: Female; RH, Right Hand; LH, Left Hand.