The brain is the organ that makes us human and the most complex organ in an organism. This mind-boggling structure is located at the centre of the nervous system and contains billions of neurons that can simultaneously process information from around the body. The brain is found in all vertebrates and most invertebrates, and is located in the head, usually closest to the sensory organs such as vision.
Rather than being slow, lumbering and a bit stupid, dinosaurs were smart and nimble-brained – just ask the palaeontologists who are peering deep inside the fossilised skulls of these prehistoric animals.
This week, we chat to author David Adam about his adventures in brain enhancement, finding out whether smart drugs and electrical brain stimulation could really be a shortcut to a sharper, more focused mind.
The creation of memories is an automatic, unconscious activity, but there is a very complex process underlying this action.