Question

which of the following is not a limbic system structure?

1. amygdala
2. hippocampus
3. hypothalamus
4. substantia nigra

Explanation:

The limbic system includes structures like the amygdala (involved in emotion), hippocampus (memory), and hypothalamus (homeostasis and emotion - related functions). The substantia nigra is part of the basal ganglia, involved in motor control and dopamine production, not the limbic system.

Answer:

1. substantia nigra