Thought is a mental process which allows beings to model the world, and so to deal with it effectively according to their goals, plans, ends and desires. Concepts akin to thought are sentience, consciousness, idea, and imagination.

Thoughts Can “Rewire” Your Brain

Thoughts can rewire your brain.

Thoughts and other stimuli can essentially “rewire” our brain, strengthening useful synaptic pathways and weakening less used ones, this is called neuroplasticity (AKA learning and memory).