Complex sentence: For example, when we perceive a person, the brain generates not only a pattern of neural activity in response to that person; the neurons also quickly adjust, some by quickly habituating and others by quickly sensitizing.
Split into simpler sentences: For example, when we perceive a person, the brain generates not only a pattern of neural activity in response to that person. The neurons also quickly adjust, some by quickly habituating and others by quickly sensitizing.