Experimenters Were Able to Replace Lost Acetylcholine-Releasing Neurons By

Multiple Choice

Experimenters were able to replace lost acetylcholine-releasing neurons by:

A) Activating the hippocampus with paired-pulse stimulation
B) Grafting cells genetically engineered to produce nerve growth factor into the basal ganglia
C) Lesioning the substantia nigra
D) Injecting estrogen into the prefrontal cortex