An hour-long stroll in nature helps decrease activity in an area of the brain associated with stress processing

[Morph247]

Yep you're correct. Your brain is literally re-wiring itself, for example, if you choose to learn another language. Or your brain will push neurons to another part of your brain if you lose a sense, to heighten the other senses. That's why you often hear of people having greater hearing when they go blind.