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Mental age is a concept related to intelligence. It looks at how a specific individual, at a specific age, performs intellectually, compared to average intellectual ...
Aside from age-based thresholds of maturity, restrictions based in a perceived intellectual immaturity also extend to those with a variety of mental impairments (generally defined as anyone with a mental disability that requires guardianship), with laws in place in most regions limiting the voting rights of the mentally disabled and often ...
Terman's test was the first widely used mental test to report scores in "intelligence quotient" form ("mental age" divided by chronological age, multiplied by 100). Current tests are scored in "deviation IQ" form, with a performance level by a test-taker two standard deviations below the median score for the test-takers age group defined as IQ 70.
The mental age was established independently from the chronological age, meaning that a child could have the mental age of a 10-year-old and the chronological age of a 12-year-old. It was also possible for a child to have a higher mental age than their chronological age. [3] If the mental age of a child was two years behind their chronological ...
Primary mental abilities are independent groups of factors that contribute to intelligent behavior and include word fluency, verbal comprehension, spatial visualization, number facility, associative memory, reasoning, and perceptual speed. [145] Primary mental abilities decline around the age of 60 and may interfere with life functioning. [146]
Moron is a term once used in psychology and psychiatry to denote mild intellectual disability. [1] The term was closely tied with the American eugenics movement. [2] Once the term became popularized, it fell out of use by the psychological community, as it was used more commonly as an insult than as a psychological term.
It originally referred to people of the second order in a former and discarded classification of intellectual disability, with a mental age of three to seven years and an IQ of 25–50, above "idiot" (IQ below 25) and below "moron" (IQ of 51–70). [4]
Adolescents are at increased risk for tobacco, alcohol and drug use; Peer pressure is the main reason why adolescents start using substances. At this age, the use of substances could be detrimental to the development of the brain and place them at higher risk of developing a mental disorder. [70]