Accurate human karyotyping,** the primary genetic laboratory test for decades, became available during the 1950s, thanks to the work of Tjio and Levan. Several foundational texts were published, such as Victor McKusick’s Mendelian Inheritance in Man in 1966, Dave Smith’s Recognizable Patterns of...
neuroimagingstudiessuggest that the brain of a child with ADHD operates differently than his/her peers, specifically in reference to neurotransmitter (dopamine, serotonin, and adrenaline) function. But regardless of the cause of it, ADHD usually first appears during early childhood, between 3 and 6...