Ting discovered that the cells in the hippocampus-the center of brain memory-varied

A few years later, studying how mice form different types of terrible memories, Ting discovered that the cells in the hippocampus-the center of brain memory-varied in the nature of the activation. Some cells were activated in response to any type of terrible events - an air explosion from the back (an imitation of an owl attack), a shake in the manner of an earthquake or a sudden free fall. Others responded to a subset of events, such as shaking and falling, but not an air explosion. Others were even more picky, activated only in response to event-dependent events, such as an earthquake in blue, but not in a red room. When mapping the neurons formed clusters from specific to general. "The grain of this idea led to a theory of connectedness," says Tzin. In the core of this theory lies the formula N = 2 i - 1, the mathematical logic of interweaving in the second degree, which illustrates how neural networks move from specific to general. Each neural network is called a "click". A simple click includes neurons that receive a specific input. Contrary to the widely held belief that individual neurons are the main computing unit of the brain, Tzin says that this role should be assumed by neural clusters. "This allows the system to avoid a catastrophic failure in the event of the loss of a single neuron," explains Tzin.