Published on Aug 9, 2020

Brain Imagination Background Images

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The brain is the part of the body which lets animals make sense of things. It gets input from sense organs, and changes behaviour in response to this information. In humans, the brain also controls our use of language, and is capable of abstract thought. The brain is the main control centre of the whole body. The brain is made up of a special type of cells. They are connected with each other and with the nerves in our body. In all animals the delicate brain is protected in some way. In ourselves, and all vertebrates, it is protected by the bones of the skull.

The brain does the thinking, learning, and feeling for the body. For humans, it is the source of consciousness. The brain also controls basic autonomic body actions, like breathing, digestion, heartbeat, that happen automatically. These activities, and much else, are governed by unconscious functions of the brain and nervous system. All the information about the world gathered by our senses is sent through nerves into the brain, allowing us to see, hear, smell, taste and feel things. The brain processes this information, and we experience it as pictures, sounds, and so on. The brain also uses nerves to tell the body what to do, for example by telling muscles to move or our heart to beat faster.

This is generally true but some activity is caused by the spinal cord directly, for example, reflex actions do not involve the brain. In lower animals, a good deal is done without their brain being involved.


All vertebrates have brains and, over time, their brains have evolved to become more complex. Some simple animals, however, like sponges, do not have anything like a brain. Segmented invertebrates have ganglions in each segment, and a ring of nervous tissue around the alimentary canal at the front. This acts to bring sense data from the front into play with the movement of the body.

Brain Imagination

Imagination is the ability to form images of things or events in one’s mind. When someone imagines something, they are trying to picture something in their mind that they are not experiencing at the moment or that is not really happening. Imagination is a way to have fun, Imagination can also cause distress.

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