Ideo-motor \I`de*o-mo"tor\, a. [Ideo- + motor.] (Physiol.)
Applied to those actions, or muscular movements, which are
automatic expressions of dominant ideas, rather than the
result of distinct volitional efforts, as the act of
expressing the thoughts in speech, or in writing, while the
mind is occupied in the composition of the sentence.
--Carpenter.
[1913 Webster]