What neuropsychologists have found is that traumatic experiences actually can alter children’s brains. In times of great stress, or trauma, the brain activates its deeply instinctive, “fight, flight, or freeze” responses, while dialing down the areas of the brain where learning, especially around language, takes place. When this happens over and again, especially in children under age 5, the brain is fundamentally changed. Basically, it adapts for survival under the worst conditions.