Changes in hippocampal volume related to spatial memory abilities in humans and birds alike may depend on:
A) increases in blood vessel density.
B) the birth of new neurons.
C) the birth of new astrocytes.
D) the death of old neurons.

Question

Quizplus · Accepted Answer

Both humans and birds have been shown to exhibit changes in hippocampal volume related to spatial memory abilities, and in both cases, these changes are thought to depend on the birth of new neurons (neurogenesis).

Changes in Hippocampal Volume Related to Spatial Memory Abilities in Humans