Contractile movements arise, sometimes at the instigation of external stimuli but sometimes also in the absence of any apparent external influence.


Principles of Physiological Psychology (ed. 1904)

Wilhelm Wundt Quotes

Contractile movements arise, sometimes at the instigation of external stimuli but sometimes also in the absence of any apparent external influence.

Contractile movements arise, sometimes at the instigation of external stimuli but sometimes also in the absence of any apparent external influence.

Contractile movements arise, sometimes at the instigation of external stimuli but sometimes also in the absence of any apparent external influence.

Contractile movements arise, sometimes at the instigation of external stimuli but sometimes also in the absence of any apparent external influence.