Struttura e funzioni del cervello umano: un'analisi dettagliata

Caratteristiche del cervello umano

- Humans have the largest brain in the animal world in relation to body size.

- The human brain weighs about 1,4 kg.

- The brain is very soft – like raw egg. It is called grey matter.

- Everyday the brain consumes about 20-30% of the body’s calories.

- There are more connections in a brain than there are stars in the universe.

Left brain, right brain

Funzioni del cervello sinistro

The left side of the brain

This is the cognitive centre. It controls rational thought, language, and the consciousness of self.
The right side of the brain

This is the centre of creatività, intuition, imagination and movement.
The corpus callosum

This is like a telephone exchange. It carries millions of messages between the two sides of the brain.

Il cervello di Einstein

Einstein’s brain was inique. A group of American reserachers found out that a particular region of his brain was 15% bigger than normal- It was the part that controls mathematical reasoning and the mental manipulation of images. They also found that there was a greater integration in his brain between the two sides. However, his overall brain size was average.

Struttura del cervello umano

The human brain consisté of three layers.

The “reptilian” brain

This is instinctive. It controls movement, wakefulness and decisione about safety.

The “mammalian” brain

This is non-verbal, and non-logical. It is in charge of emotions and long term memories.

The “human” brain

This is logical, linear, abstract and creative. It has two hemispheres – the left side and the right side.