Arts1691 Structure of the Brain

We all have about 40 billion neurons, organised into networks, that make up our basic information processing.

The three parts of the brain mentioned to us are the medulla oblongata, the cerebellum and the cerebral cortex.

The first two deal (mainly) with things we have no control over (autonomic functions) – breathing, heartbeat, involuntary reactions, arousal, digestion, motor control etc

The longitudinal fissure is the large fissure that runs from front to back. It separates the left and right cerebral hemispheres.

The left and right cerebral hemispheres are functionally and anatomically quite distinct. They are joined by the corpus callosum, which is a large collection of nerve fibres. This allows communication between the two hemispheres.