It is an invaluable test for the higher grades of mental deficiency.
I have no question that he has an obscure sense of some mental deficiency.
But it is not incumbent on you to share that mental deficiency.
Alcoholism in the parents is frequently the cause of mental deficiency.
What distinctions can we draw between the different degrees of mental deficiency?
Other cases of mental deficiency may be due to an alteration in the pituitary gland.
The classification in the region of mental deficiency itself is confronted by the same difficulty.
Fear is a mental deficiency susceptible of correction, if taken in hand before it gains an ascendency over us.
They have no diagnostic significance except in so far as they are indications of mental deficiency.
There are innumerable grades of mental deficiency ranging from somewhat below average intelligence to profound idiocy.