What is true of neurogenesis? Question 1 options: a) In rats neurogenesis occurs in the dente gyrus of the hippocampus, but in humans it occurs in the subventricular zone. b) The subventricular zone maintains the ability to produce neuroblasts in the adult human brain c) In the subventricular zone, Type A cells (new neurons) proliferate and form Type B cells (type of astrocyte) d) Release of the brain-derived neurotrophic factor (BDNF) is increased increasing caloric-intake.