Noun
The ability to do things without occupying the mind with the low level details required.
(medicine) The ability of the heart muscles to contract independently of each other when separated or in unison when reattached in whole or in groups.
The process of one thing automatically following another.
Source: en.wiktionary.orgThe importance of repetition until automaticity cannot be overstated. Repetition is the key to learning. John Wooden
With sinus node dysfunction (sometimes called sick sinus syndrome ), there may be disordered automaticity or impaired conduction of the impulse from the sinus node into the surrounding atrial tissue (an "exit block"). Source: Internet
The automaticity model, which became widespread following exposition by John Bargh and others in the 1980s, describes sophisticated processes for executing goals which can be selected and performed over an extended duration without conscious awareness. Source: Internet