Giulio Tononi Quotes on Mind (4 Quotes)

But why does consciousness fade during deep sleep early in the night You cannot say that consciousness fades because the brain shuts off. That's not the case. Scientists have long known that the brain remains active while we sleep, ... So what could be responsible

Essentially, we activate an area. We can do this anywhere in the brain. Once an area is activated, it responds by sending signals, waves that travel through the axons (nerve fibers) to other regions of the brain. At the same time, we can record how the rest of the brain is responding.

Learning strengthens some connections between neurons, known as synapses, and even forms new synapses. These synapses demand a lot of extra energy, though. That means that at the end of the day, you have a brain that costs you more energy, ... That's where sleep would kick in.

What we needed to do was stimulate an area of the brain and see if it talks to another part. We have a tool to do that now.