Rat Pups Whose Mothers Were Merely Housed with Other Rats

Rat pups whose mothers were merely housed with other rats that had endured physical restraint showed _____________ in their orbitofrontal cortex.

A) increased dendritic spine density but decreased dendritic length
B) increased dendritic spine density with increased dendritic length.
C) decreased dendritic spine density with decreased dendritic length
D) decreased dendritic spine density but increased dendritic length