Which option best matches the description: almond-shaped mass of grey matter located in the temporal lobe?

• A. The hippocampus
• B. The olfactory nerve
• C. The cerebellum
• D. Amygdala

Answer: (D)

The amygdala is the almond-shaped mass of gray matter located in the temporal lobe. It sits deep within the medial temporal lobe and is a key part of the limbic system, playing a major role in processing emotions and assigning emotional significance to memories. This distinguishes it from the hippocampus, which is also in the temporal lobe but is curved and mainly handles memory formation and retrieval. The cerebellum, by contrast, is at the back of the brain and coordinates movement, not part of the temporal lobe. The olfactory nerve is a peripheral nerve carrying smell signals from the nose, not a central gray-matter mass in the temporal region. So the almond-shaped gray matter in that area is the amygdala.