What are subcortical structures?

The brain has special parts under its outer layer that help it work well, these are called subcortical structures.

Think of your brain like a big toy box. The outer part, the cortex, is like all the toys you see on top, they’re colorful and easy to reach. But under the surface, there are other important toys hidden inside, these are the subcortical structures, like the basal ganglia or the thalamus.

Imagine you're playing a game where you have to follow instructions quickly, like sorting shapes into different boxes. The basal ganglia is like a helpful friend who makes sure you move your hands and feet just right so you can sort them fast, without getting confused or distracted.

The thalamus is like a switchboard in a big house. Every time someone knocks on the door, it sends a message to the right person inside. In your brain, it helps send messages from your senses (like sounds or sights) to the right part of your cortex, so you know what’s going on around you.

These hidden helpers work together with the outer parts of your brain to help you think, move, and feel, all without you even noticing! The brain has special parts under its outer layer that help it work well, these are called subcortical structures.

Think of your brain like a big toy box. The outer part, the cortex, is like all the toys you see on top, they’re colorful and easy to reach. But under the surface, there are other important toys hidden inside, these are the subcortical structures, like the basal ganglia or the thalamus.