The tearing of calico made him leap with a purely physiological fright, and set him barking in merry protest.
All illnesses carry symbolic meanings as well as the purely physiological.
What I'm talking about is a purely physiological matter.
I could be melodramatic and say that she'd died of a broken heart, but from a purely physiological point of view, that's an absurdity.
Helmholtz believed that the psychological perception of tone color is subject to learning, while hearing in the sensory sense is purely physiological.
Foreplay is important from at least two considerations, one of which is purely physiological.
After ruling out purely physiological causes, including the rich food served at Sunday dinners, Ferenczi figured out what was bothering his patients.
Tears were once considered a purely physiological phenomenon, an expression of natural law.
My loathing for alcohol was purely physiological.
"For purely physiological reasons they do not indulge in extravehicular activity, entering and leaving their ships only at time of departure and arrival."