Neuroplasticity: The Brain That Changes Itself
Norman Doidge · 2007
"The brain physically rewires itself in response to repeated thought and behavior throughout adulthood, not just childhood — meaning habits, skills, and even chronic thought patterns are more changeable at a neural level than 'fixed personality' framing suggests."
Your brain isn't the fixed hardware it feels like. It's closer to software that rewrites its own wiring based on what you repeatedly do and think.
Neuroplasticity describes the brain's capacity to form new neural connections and reorganize existing ones throughout life, not only during a childhood 'critical period' as older models assumed. Repeated practice strengthens specific neural pathways (the popularized shorthand is 'neurons that fire together wire together'), which is the mechanistic basis for skill acquisition, habit formation, and — the thread's more provocative claim — the ability to consciously reshape ingrained thought patterns rather than accept them as permanent traits.
What does neuroplasticity fundamentally challenge about older models of brain development?
Read more about the topic
The explanation above is written with AI assistance. These are the originals — go to them to check it.
- The Brain That Changes Itself: Stories of Personal Triumph from the Frontiers of Brain ScienceNorman Doidge (Penguin Random House)
Hebbian Theory: Neurons That Fire Together, Wire Together
"Learning is physical — repeated co-activation between neurons strengthens the connection between them, which is how experience becomes structure."