For the most sophisticated processes such as attention, perception, decision-making and risk-taking, the brain begins reaching maturity until the fourth decade. Both in the UK and the USA ,, maturity '' a person is a key factor regarding the investigation of a person.
In a report by the House of Common Select Committee has recommended that young adults aged between 18 and 25 to be treated differently from older criminals in May. The report suggests that most young people involved in crime stop at the age of 25 years.
One of the greatest difficulties to establish when the brain is mature is the discovery of a man whose brain has matured. The key change that occurs in adolescence until age 20 and 30 years is thinning gray matter and white matter thickening.
Increased white matter is to increase connectivity between different brain regions. The brain that continues to develop is the prefrontal cortex. This area of the brain located in the front of the head is involved in the activation of important factors such as attention, planning, decision making, control, logical thinking, personality development and short-term memory.
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