What happens to neurons when they undergo myelination?
A) They lose unneeded synaptic connections.
B) They gain extra synaptic connections.
C) The insulation around them decreases.
D) The insulation around them increases.
Question 2
Jesse, a graduate engineering student, is able to engage in more complex thought than he did during adolescence thanks to two biological processes ongoing in his brain: synaptic pruning and
A) metacognition.
B) homeostasis.
C) myelination.
D) senescence.